diff --git a/applications/solvers/combustion/chemFoam/readInitialConditions.H b/applications/solvers/combustion/chemFoam/readInitialConditions.H
index e5f0599cee..5ffe9c97a9 100644
--- a/applications/solvers/combustion/chemFoam/readInitialConditions.H
+++ b/applications/solvers/combustion/chemFoam/readInitialConditions.H
@@ -29,8 +29,8 @@
         );
     }
 
-    scalarList Y0(nSpecie, 0.0);
-    scalarList X0(nSpecie, 0.0);
+    scalarList Y0(nSpecie, Zero);
+    scalarList X0(nSpecie, Zero);
 
     dictionary fractions(initialConditions.subDict("fractions"));
     if (fractionBasis == "mole")
diff --git a/applications/solvers/compressible/rhoCentralFoam/BCs/T/smoluchowskiJumpTFvPatchScalarField.C b/applications/solvers/compressible/rhoCentralFoam/BCs/T/smoluchowskiJumpTFvPatchScalarField.C
index ef0cf6b6dd..e3565ca63c 100644
--- a/applications/solvers/compressible/rhoCentralFoam/BCs/T/smoluchowskiJumpTFvPatchScalarField.C
+++ b/applications/solvers/compressible/rhoCentralFoam/BCs/T/smoluchowskiJumpTFvPatchScalarField.C
@@ -44,7 +44,7 @@ Foam::smoluchowskiJumpTFvPatchScalarField::smoluchowskiJumpTFvPatchScalarField
     psiName_("thermo:psi"),
     muName_("thermo:mu"),
     accommodationCoeff_(1.0),
-    Twall_(p.size(), 0.0),
+    Twall_(p.size(), Zero),
     gamma_(1.4)
 {
     refValue() = 0.0;
diff --git a/applications/solvers/compressible/rhoCentralFoam/BCs/U/maxwellSlipUFvPatchVectorField.C b/applications/solvers/compressible/rhoCentralFoam/BCs/U/maxwellSlipUFvPatchVectorField.C
index 612f76a3ff..1dd6431324 100644
--- a/applications/solvers/compressible/rhoCentralFoam/BCs/U/maxwellSlipUFvPatchVectorField.C
+++ b/applications/solvers/compressible/rhoCentralFoam/BCs/U/maxwellSlipUFvPatchVectorField.C
@@ -45,7 +45,7 @@ Foam::maxwellSlipUFvPatchVectorField::maxwellSlipUFvPatchVectorField
     muName_("thermo:mu"),
     tauMCName_("tauMC"),
     accommodationCoeff_(1.0),
-    Uwall_(p.size(), vector(0.0, 0.0, 0.0)),
+    Uwall_(p.size(), Zero),
     thermalCreep_(true),
     curvature_(true)
 {}
diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/createFluidFields.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/createFluidFields.H
index 6cafd11a6f..06567b8b5b 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/createFluidFields.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/createFluidFields.H
@@ -12,7 +12,7 @@ PtrList<radiation::radiationModel> radiation(fluidRegions.size());
 
 List<scalar> initialMassFluid(fluidRegions.size());
 List<label> pRefCellFluid(fluidRegions.size(), -1);
-List<scalar> pRefValueFluid(fluidRegions.size(), 0.0);
+List<scalar> pRefValueFluid(fluidRegions.size(), Zero);
 List<bool> frozenFlowFluid(fluidRegions.size(), false);
 
 PtrList<dimensionedScalar> rhoMax(fluidRegions.size());
diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/createFluidFields.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/createFluidFields.H
index 42d399c53d..d0092f800d 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/createFluidFields.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/createFluidFields.H
@@ -248,7 +248,7 @@ forAll(fluidRegions, i)
                 IOobject::AUTO_WRITE
             ),
             fluidRegions[i],
-            dimensionedScalar("Qdot", dimEnergy/dimVolume/dimTime, 0.0)
+            dimensionedScalar(dimEnergy/dimVolume/dimTime, Zero)
         )
     );
 
diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/initContinuityErrs.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/initContinuityErrs.H
index 1a7f5a3262..aa63cdc2d7 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/initContinuityErrs.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/initContinuityErrs.H
@@ -1 +1 @@
-List<scalar> cumulativeContErr(fluidRegions.size(), 0.0);
+List<scalar> cumulativeContErr(fluidRegions.size(), Zero);
diff --git a/applications/solvers/incompressible/pimpleFoam/overPimpleDyMFoam/interpolatedFaces.H b/applications/solvers/incompressible/pimpleFoam/overPimpleDyMFoam/interpolatedFaces.H
index 00838f5fea..1bc385c90a 100644
--- a/applications/solvers/incompressible/pimpleFoam/overPimpleDyMFoam/interpolatedFaces.H
+++ b/applications/solvers/incompressible/pimpleFoam/overPimpleDyMFoam/interpolatedFaces.H
@@ -11,7 +11,7 @@ labelListList donorCell(mesh.nInternalFaces());
 scalarListList weightCellCells(mesh.nInternalFaces());
 
 // Interpolated HbyA faces
-vectorField UIntFaces(mesh.nInternalFaces(), vector::zero);
+vectorField UIntFaces(mesh.nInternalFaces(), Zero);
 
 // Determine receptor neighbour cells
 labelList receptorNeigCell(mesh.nInternalFaces(), -1);
@@ -23,7 +23,7 @@ labelList receptorNeigCell(mesh.nInternalFaces(), -1);
 
     label nZones = gMax(zoneID)+1;
     PtrList<fvMeshSubset> meshParts(nZones);
-    labelList nCellsPerZone(nZones, 0);
+    labelList nCellsPerZone(nZones, Zero);
 
     // A mesh subset for each zone
     forAll(meshParts, zonei)
@@ -173,7 +173,7 @@ labelList receptorNeigCell(mesh.nInternalFaces(), -1);
 }
 
 // contravariant U
-vectorField U1Contrav(mesh.nInternalFaces(), vector::zero);
+vectorField U1Contrav(mesh.nInternalFaces(), Zero);
 
 surfaceVectorField faceNormals(mesh.Sf()/mesh.magSf());
 
@@ -192,7 +192,8 @@ forAll(isNeiInterpolatedFace, faceI)
     if (cellId != -1)
     {
         const vector& n = faceNormals[faceI];
-        vector n1 = vector::zero;
+        vector n1(Zero);
+
         // 2-D cases
         if (mesh.nSolutionD() == 2)
         {
diff --git a/applications/solvers/multiphase/compressibleInterFoam/compressibleInterFilmFoam/VoFPatchTransfer/VoFPatchTransfer.C b/applications/solvers/multiphase/compressibleInterFoam/compressibleInterFilmFoam/VoFPatchTransfer/VoFPatchTransfer.C
index c6be4477da..0b4f1d7090 100644
--- a/applications/solvers/multiphase/compressibleInterFoam/compressibleInterFilmFoam/VoFPatchTransfer/VoFPatchTransfer.C
+++ b/applications/solvers/multiphase/compressibleInterFoam/compressibleInterFilmFoam/VoFPatchTransfer/VoFPatchTransfer.C
@@ -266,7 +266,7 @@ void VoFPatchTransfer::correct
             getModelProperty<scalarField>
             (
                 "patchTransferredMasses",
-                scalarField(patchTransferredMasses_.size(), 0)
+                scalarField(patchTransferredMasses_.size(), Zero)
             )
         );
 
@@ -302,7 +302,7 @@ void VoFPatchTransfer::patchTransferredMassTotals
         getModelProperty<scalarField>
         (
             "patchTransferredMasses",
-            scalarField(patchTransferredMasses_.size(), 0)
+            scalarField(patchTransferredMasses_.size(), Zero)
         )
     );
 
diff --git a/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticleIO.C b/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticleIO.C
index e899ca35d8..d65c864ea7 100644
--- a/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticleIO.C
+++ b/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticleIO.C
@@ -48,8 +48,8 @@ Foam::DTRMParticle::DTRMParticle
 )
 :
     particle(mesh, is, readFields, newFormat),
-    p0_(point::zero),
-    p1_(point::zero),
+    p0_(Zero),
+    p1_(Zero),
     I0_(0),
     I_(0),
     dA_(0),
diff --git a/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/reflectionModel/noReflection/noReflection.C b/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/reflectionModel/noReflection/noReflection.C
index 0586da9bce..3be097fd31 100644
--- a/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/reflectionModel/noReflection/noReflection.C
+++ b/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/reflectionModel/noReflection/noReflection.C
@@ -67,7 +67,7 @@ Foam::vector Foam::radiation::noReflection::R
     const vector& n
 ) const
 {
-    return (vector::zero);
+    return vector::zero;
 }
 
 
diff --git a/applications/solvers/multiphase/interCondensatingEvaporatingFoam/eEqn.H b/applications/solvers/multiphase/interCondensatingEvaporatingFoam/eEqn.H
index 386e4cdff9..205cd09868 100644
--- a/applications/solvers/multiphase/interCondensatingEvaporatingFoam/eEqn.H
+++ b/applications/solvers/multiphase/interCondensatingEvaporatingFoam/eEqn.H
@@ -4,7 +4,7 @@
 
     kappaEff = thermo->kappa() + rho*cp*turbulence->nut()/Prt;
 
-    pDivU = dimensionedScalar("pDivU", p.dimensions()/dimTime, 0.0);
+    pDivU = dimensionedScalar("pDivU", p.dimensions()/dimTime, Zero);
 
     if (thermo->pDivU())
     {
diff --git a/applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/twoPhaseCompressibleTurbulenceModels/derivedFvPatchFields/fixedMultiPhaseHeatFlux/fixedMultiPhaseHeatFluxFvPatchScalarField.C b/applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/twoPhaseCompressibleTurbulenceModels/derivedFvPatchFields/fixedMultiPhaseHeatFlux/fixedMultiPhaseHeatFluxFvPatchScalarField.C
index c84f323e74..eefec50c7e 100644
--- a/applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/twoPhaseCompressibleTurbulenceModels/derivedFvPatchFields/fixedMultiPhaseHeatFlux/fixedMultiPhaseHeatFluxFvPatchScalarField.C
+++ b/applications/solvers/multiphase/reactingEulerFoam/reactingTwoPhaseEulerFoam/twoPhaseCompressibleTurbulenceModels/derivedFvPatchFields/fixedMultiPhaseHeatFlux/fixedMultiPhaseHeatFluxFvPatchScalarField.C
@@ -44,7 +44,7 @@ fixedMultiPhaseHeatFluxFvPatchScalarField
 )
 :
     fixedValueFvPatchScalarField(p, iF),
-    q_(p.size(), 0.0),
+    q_(p.size(), Zero),
     relax_(1.0)
 {}
 
@@ -131,9 +131,9 @@ void Foam::fixedMultiPhaseHeatFluxFvPatchScalarField::updateCoeffs()
 
     const scalarField& Tp = *this;
 
-    scalarField A(Tp.size(), scalar(0));
-    scalarField B(Tp.size(), scalar(0));
-    scalarField Q(Tp.size(), scalar(0));
+    scalarField A(Tp.size(), Zero);
+    scalarField B(Tp.size(), Zero);
+    scalarField Q(Tp.size(), Zero);
 
     forAll(fluid.phases(), phasei)
     {
diff --git a/applications/solvers/stressAnalysis/solidDisplacementFoam/tractionDisplacement/tractionDisplacementFvPatchVectorField.C b/applications/solvers/stressAnalysis/solidDisplacementFoam/tractionDisplacement/tractionDisplacementFvPatchVectorField.C
index d4ba300459..e1e0b6d1c1 100644
--- a/applications/solvers/stressAnalysis/solidDisplacementFoam/tractionDisplacement/tractionDisplacementFvPatchVectorField.C
+++ b/applications/solvers/stressAnalysis/solidDisplacementFoam/tractionDisplacement/tractionDisplacementFvPatchVectorField.C
@@ -43,7 +43,7 @@ tractionDisplacementFvPatchVectorField
 :
     fixedGradientFvPatchVectorField(p, iF),
     traction_(p.size(), Zero),
-    pressure_(p.size(), 0.0)
+    pressure_(p.size(), Zero)
 {
     fvPatchVectorField::operator=(patchInternalField());
     gradient() = Zero;
diff --git a/applications/solvers/stressAnalysis/solidEquilibriumDisplacementFoam/tractionDisplacementCorrection/tractionDisplacementCorrectionFvPatchVectorField.C b/applications/solvers/stressAnalysis/solidEquilibriumDisplacementFoam/tractionDisplacementCorrection/tractionDisplacementCorrectionFvPatchVectorField.C
index 2b90cacfdf..1ea25ca5f6 100644
--- a/applications/solvers/stressAnalysis/solidEquilibriumDisplacementFoam/tractionDisplacementCorrection/tractionDisplacementCorrectionFvPatchVectorField.C
+++ b/applications/solvers/stressAnalysis/solidEquilibriumDisplacementFoam/tractionDisplacementCorrection/tractionDisplacementCorrectionFvPatchVectorField.C
@@ -43,7 +43,7 @@ tractionDisplacementCorrectionFvPatchVectorField
 :
     fixedGradientFvPatchVectorField(p, iF),
     traction_(p.size(), Zero),
-    pressure_(p.size(), 0.0)
+    pressure_(p.size(), Zero)
 {
     fvPatchVectorField::operator=(patchInternalField());
     gradient() = Zero;
diff --git a/applications/test/CompactListList/Test-CompactListList.C b/applications/test/CompactListList/Test-CompactListList.C
index 587fa9df82..15ed7cc090 100644
--- a/applications/test/CompactListList/Test-CompactListList.C
+++ b/applications/test/CompactListList/Test-CompactListList.C
@@ -47,7 +47,7 @@ int main(int argc, char *argv[])
         Info<< "cll1:" << cll1 << endl;
 
         // Resize and assign row by row
-        labelList row0(2, label(0));
+        labelList row0(2, Zero);
         labelList row1(3, label(1));
 
         labelList rowSizes(2);
diff --git a/applications/test/PatchFunction1/Test-PatchFunction1.C b/applications/test/PatchFunction1/Test-PatchFunction1.C
index 59c6b7c378..4c1579fc89 100644
--- a/applications/test/PatchFunction1/Test-PatchFunction1.C
+++ b/applications/test/PatchFunction1/Test-PatchFunction1.C
@@ -94,7 +94,7 @@ int main(int argc, char *argv[])
             false
         ),
         mesh,
-        dimensionedVector(vector::zero)
+        dimensionedVector(Zero)
     );
 
     fld.boundaryFieldRef()[0] == function1().value(x0);
diff --git a/applications/test/parallel/Test-parallel.C b/applications/test/parallel/Test-parallel.C
index 7a4e4deae6..5ea80c2c36 100644
--- a/applications/test/parallel/Test-parallel.C
+++ b/applications/test/parallel/Test-parallel.C
@@ -61,7 +61,7 @@ void testMapDistribute()
     // Send all ones to processor indicated by .first()
 
     // Count how many to send
-    labelList nSend(Pstream::nProcs(), 0);
+    labelList nSend(Pstream::nProcs(), Zero);
     forAll(complexData, i)
     {
         label procI = complexData[i].first();
diff --git a/applications/test/syncTools/Test-syncTools.C b/applications/test/syncTools/Test-syncTools.C
index 5fca906370..cfdaaed586 100644
--- a/applications/test/syncTools/Test-syncTools.C
+++ b/applications/test/syncTools/Test-syncTools.C
@@ -404,7 +404,7 @@ void testPointSync(const polyMesh& mesh, Random& rndGen)
     // Test masterPoints
 
     {
-        labelList nMasters(mesh.nPoints(), 0);
+        labelList nMasters(mesh.nPoints(), Zero);
 
         bitSet isMasterPoint(syncTools::getMasterPoints(mesh));
 
@@ -480,7 +480,7 @@ void testEdgeSync(const polyMesh& mesh, Random& rndGen)
     // Test masterEdges
 
     {
-        labelList nMasters(edges.size(), 0);
+        labelList nMasters(edges.size(), Zero);
 
         bitSet isMasterEdge(syncTools::getMasterEdges(mesh));
 
@@ -549,7 +549,7 @@ void testFaceSync(const polyMesh& mesh, Random& rndGen)
     // Test masterFaces
 
     {
-        labelList nMasters(mesh.nFaces(), 0);
+        labelList nMasters(mesh.nFaces(), Zero);
 
         bitSet isMasterFace(syncTools::getMasterFaces(mesh));
 
diff --git a/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C b/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C
index 5323f25a97..d9701eab1f 100644
--- a/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C
+++ b/applications/utilities/mesh/advanced/modifyMesh/modifyMesh.C
@@ -606,7 +606,7 @@ int main(int argc, char *argv[])
 
         List<pointEdgeCollapse> allPointInfo;
         const globalIndex globalPoints(mesh.nPoints());
-        labelList pointPriority(mesh.nPoints(), 0);
+        labelList pointPriority(mesh.nPoints(), Zero);
 
         cutter.consistentCollapse
         (
diff --git a/applications/utilities/mesh/advanced/refinementLevel/refinementLevel.C b/applications/utilities/mesh/advanced/refinementLevel/refinementLevel.C
index 1e3b1522c5..acde047f4f 100644
--- a/applications/utilities/mesh/advanced/refinementLevel/refinementLevel.C
+++ b/applications/utilities/mesh/advanced/refinementLevel/refinementLevel.C
@@ -263,7 +263,7 @@ int main(int argc, char *argv[])
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        labelList(mesh.nCells(), 0)
+        labelList(mesh.nCells(), Zero)
     );
 
     if (readLevel)
diff --git a/applications/utilities/mesh/advanced/snappyRefineMesh/snappyRefineMesh.C b/applications/utilities/mesh/advanced/snappyRefineMesh/snappyRefineMesh.C
index aac8ee79f1..47328058b1 100644
--- a/applications/utilities/mesh/advanced/snappyRefineMesh/snappyRefineMesh.C
+++ b/applications/utilities/mesh/advanced/snappyRefineMesh/snappyRefineMesh.C
@@ -752,7 +752,7 @@ int main(int argc, char *argv[])
             IOobject::READ_IF_PRESENT,
             IOobject::AUTO_WRITE
         ),
-        labelList(mesh.nCells(), 0)
+        labelList(mesh.nCells(), Zero)
     );
 
     label maxLevel = max(refLevel);
diff --git a/applications/utilities/mesh/conversion/ansysToFoam/ansysToFoam.L b/applications/utilities/mesh/conversion/ansysToFoam/ansysToFoam.L
index c275ecec35..904b35ae62 100644
--- a/applications/utilities/mesh/conversion/ansysToFoam/ansysToFoam.L
+++ b/applications/utilities/mesh/conversion/ansysToFoam/ansysToFoam.L
@@ -542,7 +542,7 @@ int main(int argc, char *argv[])
     // Now split the boundary faces into external and internal faces. All
     // faces go into faceZones and external faces go into patches.
     List<faceList> patchFaces(slPatchCells.size());
-    labelList patchNFaces(slPatchCells.size(), 0);
+    labelList patchNFaces(slPatchCells.size(), Zero);
     forAll(boundary, patchi)
     {
         const faceList& bFaces = boundary[patchi];
diff --git a/applications/utilities/mesh/conversion/fluentMeshToFoam/fluentMeshToFoam.L b/applications/utilities/mesh/conversion/fluentMeshToFoam/fluentMeshToFoam.L
index f248a3771c..bbadaee007 100644
--- a/applications/utilities/mesh/conversion/fluentMeshToFoam/fluentMeshToFoam.L
+++ b/applications/utilities/mesh/conversion/fluentMeshToFoam/fluentMeshToFoam.L
@@ -936,7 +936,7 @@ int main(int argc, char *argv[])
 
     labelListList cellFaces(nCells);
 
-    labelList nFacesInCell(nCells, 0);
+    labelList nFacesInCell(nCells, Zero);
 
     forAll(cellFaces, celli)
     {
diff --git a/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMesh.C b/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMesh.C
index 967ffb5234..02e18d2af9 100644
--- a/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMesh.C
+++ b/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudeMesh.C
@@ -911,7 +911,7 @@ int main(int argc, char *argv[])
 
         List<pointEdgeCollapse> allPointInfo;
         const globalIndex globalPoints(mesh.nPoints());
-        labelList pointPriority(mesh.nPoints(), 0);
+        labelList pointPriority(mesh.nPoints(), Zero);
 
         collapser.consistentCollapse
         (
diff --git a/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudedMesh/extrudedMeshTemplates.C b/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudedMesh/extrudedMeshTemplates.C
index 6cba917f6c..86c9c5bb45 100644
--- a/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudedMesh/extrudedMeshTemplates.C
+++ b/applications/utilities/mesh/generation/extrude/extrudeMesh/extrudedMesh/extrudedMeshTemplates.C
@@ -219,7 +219,7 @@ Foam::cellList Foam::extrudedMesh::extrudedCells
     }
 
     // Current face count per cell.
-    labelList nCellFaces(eCells.size(), 0);
+    labelList nCellFaces(eCells.size(), Zero);
 
 
     label facei = 0;
diff --git a/applications/utilities/mesh/generation/extrude/extrudeToRegionMesh/extrudeToRegionMesh.C b/applications/utilities/mesh/generation/extrude/extrudeToRegionMesh/extrudeToRegionMesh.C
index 46108ce780..0a085a442e 100644
--- a/applications/utilities/mesh/generation/extrude/extrudeToRegionMesh/extrudeToRegionMesh.C
+++ b/applications/utilities/mesh/generation/extrude/extrudeToRegionMesh/extrudeToRegionMesh.C
@@ -2053,11 +2053,11 @@ int main(int argc, char *argv[])
     // Count how many patches on special edges of extrudePatch are necessary
     // - zoneXXX_sides
     // - zoneXXX_zoneYYY
-    labelList zoneSidePatch(zoneNames.size(), 0);
+    labelList zoneSidePatch(zoneNames.size(), Zero);
     // Patch to use for minZone
-    labelList zoneZonePatch_min(zoneNames.size()*zoneNames.size(), 0);
+    labelList zoneZonePatch_min(zoneNames.size()*zoneNames.size(), Zero);
     // Patch to use for maxZone
-    labelList zoneZonePatch_max(zoneNames.size()*zoneNames.size(), 0);
+    labelList zoneZonePatch_max(zoneNames.size()*zoneNames.size(), Zero);
 
     countExtrudePatches
     (
diff --git a/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshApp.C b/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshApp.C
index 40f8f31c66..ad99a84767 100644
--- a/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshApp.C
+++ b/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMeshApp.C
@@ -285,7 +285,7 @@ int main(int argc, char *argv[])
 
         List<pointEdgeCollapse> allPointInfo;
         const globalIndex globalPoints(mesh().nPoints());
-        labelList pointPriority(mesh().nPoints(), 0);
+        labelList pointPriority(mesh().nPoints(), Zero);
 
         collapser.consistentCollapse
         (
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/DelaunayMesh/DistributedDelaunayMesh.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/DelaunayMesh/DistributedDelaunayMesh.C
index f6e6c75aba..c060ae7983 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/DelaunayMesh/DistributedDelaunayMesh.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/DelaunayMesh/DistributedDelaunayMesh.C
@@ -44,7 +44,7 @@ Foam::DistributedDelaunayMesh<Triangulation>::buildMap
     // ~~~~~~~~~~~~~~~~~~
 
     // 1. Count
-    labelList nSend(Pstream::nProcs(), 0);
+    labelList nSend(Pstream::nProcs(), Zero);
 
     forAll(toProc, i)
     {
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/PrintTable/PrintTable.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/PrintTable/PrintTable.C
index 11bcd4d352..3aa76eedb2 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/PrintTable/PrintTable.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/PrintTable/PrintTable.C
@@ -77,7 +77,7 @@ void Foam::PrintTable<KeyType, DataType>::print
         label largestKeyLength = 6;
         label largestDataLength = 0;
 
-        List<label> largestProcSize(Pstream::nProcs(), 0);
+        labelList largestProcSize(Pstream::nProcs(), Zero);
 
         forAll(procData, proci)
         {
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/backgroundMeshDecomposition/backgroundMeshDecomposition.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/backgroundMeshDecomposition/backgroundMeshDecomposition.C
index 3ab96dd6b0..d957c699c9 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/backgroundMeshDecomposition/backgroundMeshDecomposition.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/backgroundMeshDecomposition/backgroundMeshDecomposition.C
@@ -51,7 +51,7 @@ Foam::autoPtr<Foam::mapDistribute> Foam::backgroundMeshDecomposition::buildMap
     // ~~~~~~~~~~~~~~~~~~
 
     // 1. Count
-    labelList nSend(Pstream::nProcs(), 0);
+    labelList nSend(Pstream::nProcs(), Zero);
 
     forAll(toProc, i)
     {
@@ -337,7 +337,7 @@ void Foam::backgroundMeshDecomposition::initialRefinement()
                 (
                     cellsToRemove,
                     exposedFaces,
-                    labelList(exposedFaces.size(), 0),  // patchID dummy
+                    labelList(exposedFaces.size(), Zero),  // patchID dummy
                     meshMod
                 );
 
@@ -793,8 +793,8 @@ Foam::backgroundMeshDecomposition::backgroundMeshDecomposition
     meshCutter_
     (
         mesh_,
-        labelList(mesh_.nCells(), 0),
-        labelList(mesh_.nPoints(), 0)
+        labelList(mesh_.nCells(), Zero),
+        labelList(mesh_.nPoints(), Zero)
     ),
     boundaryFacesPtr_(),
     bFTreePtr_(),
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C
index d6f1256074..14f7a05b48 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshCalcDualMesh.C
@@ -1063,7 +1063,7 @@ Foam::labelHashSet Foam::conformalVoronoiMesh::checkPolyMeshQuality
 
         // Check for cells with one internal face only
 
-        labelList nInternalFaces(pMesh.nCells(), label(0));
+        labelList nInternalFaces(pMesh.nCells(), Zero);
 
         for (label fI = 0; fI < pMesh.nInternalFaces(); fI++)
         {
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshFeaturePoints.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshFeaturePoints.C
index 9a653df699..c80bf09ac7 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshFeaturePoints.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshFeaturePoints.C
@@ -902,7 +902,7 @@ void Foam::conformalVoronoiMesh::createMultipleEdgePointGroup
     const List<extendedFeatureEdgeMesh::sideVolumeType>& normalVolumeTypes =
         feMesh.normalVolumeTypes();
 
-    labelList nNormalTypes(4, label(0));
+    labelList nNormalTypes(4, Zero);
 
     forAll(edNormalIs, edgeNormalI)
     {
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
index 5268583281..318822e6c7 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C
@@ -210,7 +210,7 @@ void Foam::conformalVoronoiMesh::writeMesh(const fileName& instance)
 //
 //        // From all Delaunay vertices to cell (positive index)
 //        // or patch face (negative index)
-//        labelList vertexToDualAddressing(number_of_vertices(), 0);
+//        labelList vertexToDualAddressing(number_of_vertices(), Zero);
 //
 //        forAll(cellToDelaunayVertex, celli)
 //        {
@@ -525,7 +525,7 @@ void Foam::conformalVoronoiMesh::reorderPoints
     Info<< incrIndent << indent << "Reordering points into internal/external"
         << endl;
 
-    labelList oldToNew(points.size(), label(0));
+    labelList oldToNew(points.size(), Zero);
 
     // Find points that are internal
     for (label fI = nInternalFaces; fI < faces.size(); ++fI)
@@ -611,7 +611,7 @@ void Foam::conformalVoronoiMesh::reorderProcessorPatches
     const fvMesh& sortMesh = sortMeshPtr();
 
     // Rotation on new faces.
-    labelList rotation(faces.size(), label(0));
+    labelList rotation(faces.size(), Zero);
     labelList faceMap(faces.size(), label(-1));
 
     PstreamBuffers pBufs(Pstream::commsTypes::nonBlocking);
@@ -660,7 +660,7 @@ void Foam::conformalVoronoiMesh::reorderProcessorPatches
                 patchDicts[patchi].get<label>("startFace");
 
             labelList patchFaceMap(nPatchFaces, label(-1));
-            labelList patchFaceRotation(nPatchFaces, label(0));
+            labelList patchFaceRotation(nPatchFaces, Zero);
 
             bool changed = refCast<const processorPolyPatch>(pp).order
             (
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshTemplates.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshTemplates.C
index 3edd639318..372ac9b445 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshTemplates.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshTemplates.C
@@ -83,7 +83,7 @@ bool Foam::conformalVoronoiMesh::distributeBackground(const Triangulation& mesh)
 
         meshSearch cellSearch(bMesh, polyMesh::FACE_PLANES);
 
-        labelList cellVertices(bMesh.nCells(), label(0));
+        labelList cellVertices(bMesh.nCells(), Zero);
 
         for
         (
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformationSurfaces/conformationSurfaces.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformationSurfaces/conformationSurfaces.C
index 7334b9eaf2..7f02ebc4f1 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformationSurfaces/conformationSurfaces.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformationSurfaces/conformationSurfaces.C
@@ -613,7 +613,7 @@ Foam::Field<bool> Foam::conformationSurfaces::inside
     const pointField& samplePts
 ) const
 {
-    return wellInside(samplePts, scalarField(samplePts.size(), 0.0));
+    return wellInside(samplePts, scalarField(samplePts.size(), Zero));
 }
 
 
@@ -622,7 +622,7 @@ bool Foam::conformationSurfaces::inside
     const point& samplePt
 ) const
 {
-    return wellInside(pointField(1, samplePt), scalarField(1, 0))[0];
+    return wellInside(pointField(1, samplePt), scalarField(1, Zero))[0];
 }
 
 
@@ -631,7 +631,7 @@ Foam::Field<bool> Foam::conformationSurfaces::outside
     const pointField& samplePts
 ) const
 {
-    return wellOutside(samplePts, scalarField(samplePts.size(), 0.0));
+    return wellOutside(samplePts, scalarField(samplePts.size(), Zero));
 }
 
 
@@ -640,7 +640,7 @@ bool Foam::conformationSurfaces::outside
     const point& samplePt
 ) const
 {
-    return wellOutside(pointField(1, samplePt), scalarField(1, 0))[0];
+    return wellOutside(pointField(1, samplePt), scalarField(1, Zero))[0];
     //return !inside(samplePt);
 }
 
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/initialPointsMethod/autoDensity/autoDensity.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/initialPointsMethod/autoDensity/autoDensity.C
index 0a5eac65ea..3024190c2c 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/initialPointsMethod/autoDensity/autoDensity.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/initialPointsMethod/autoDensity/autoDensity.C
@@ -416,7 +416,7 @@ bool Foam::autoDensity::fillBox
 
             pointField linePoints(nLine, Zero);
 
-            scalarField lineSizes(nLine, 0.0);
+            scalarField lineSizes(nLine, Zero);
 
             for (label i = 0; i < surfRes_; i++)
             {
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchableBoxFeatures.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchableBoxFeatures.C
index 407ed35d3c..6beec70fb3 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchableBoxFeatures.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchableBoxFeatures.C
@@ -113,7 +113,7 @@ Foam::searchableBoxFeatures::features() const
             surfacePoints[treeBoundBox::edges[eI].end()]
           - surfacePoints[treeBoundBox::edges[eI].start()];
 
-        normalDirections[eI] = labelList(2, label(0));
+        normalDirections[eI] = labelList(2, Zero);
         for (label j = 0; j < 2; ++j)
         {
             const vector cross =
diff --git a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchablePlateFeatures.C b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchablePlateFeatures.C
index 05adb4afe9..002e6bfe44 100644
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchablePlateFeatures.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/searchableSurfaceFeatures/searchablePlateFeatures.C
@@ -131,7 +131,7 @@ Foam::searchablePlateFeatures::features() const
             surface().points()()[edges[eI].end()]
           - surface().points()()[edges[eI].start()];
 
-        normalDirections[eI] = labelList(2, label(0));
+        normalDirections[eI] = labelList(2, Zero);
         for (label j = 0; j < 2; ++j)
         {
             const vector cross =
diff --git a/applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C b/applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C
index ab355019c1..9544f4fb7d 100644
--- a/applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C
+++ b/applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C
@@ -108,9 +108,9 @@ autoPtr<refinementSurfaces> createRefinementSurfaces
 
     labelList regionOffset(surfi);
 
-    labelList globalMinLevel(surfi, 0);
-    labelList globalMaxLevel(surfi, 0);
-    labelList globalLevelIncr(surfi, 0);
+    labelList globalMinLevel(surfi, Zero);
+    labelList globalMaxLevel(surfi, Zero);
+    labelList globalLevelIncr(surfi, Zero);
     PtrList<dictionary> globalPatchInfo(surfi);
     List<Map<label>> regionMinLevel(surfi);
     List<Map<label>> regionMaxLevel(surfi);
@@ -263,8 +263,8 @@ autoPtr<refinementSurfaces> createRefinementSurfaces
     }
 
     // Rework surface specific information into information per global region
-    labelList minLevel(nRegions, 0);
-    labelList maxLevel(nRegions, 0);
+    labelList minLevel(nRegions, Zero);
+    labelList maxLevel(nRegions, Zero);
     labelList gapLevel(nRegions, -1);
     PtrList<dictionary> patchInfo(nRegions);
 
diff --git a/applications/utilities/mesh/manipulation/checkMesh/checkTopology.C b/applications/utilities/mesh/manipulation/checkMesh/checkTopology.C
index 5167124dfa..19ca9d0806 100644
--- a/applications/utilities/mesh/manipulation/checkMesh/checkTopology.C
+++ b/applications/utilities/mesh/manipulation/checkMesh/checkTopology.C
@@ -319,7 +319,7 @@ Foam::label Foam::checkTopology
 
     if (allTopology)
     {
-        labelList nInternalFaces(mesh.nCells(), 0);
+        labelList nInternalFaces(mesh.nCells(), Zero);
 
         for (label facei = 0; facei < mesh.nInternalFaces(); facei++)
         {
diff --git a/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C b/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C
index 0bc75143f3..ee4b9d0032 100644
--- a/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C
+++ b/applications/utilities/mesh/manipulation/createBaffles/createBaffles.C
@@ -577,7 +577,7 @@ int main(int argc, char *argv[])
     }
 
     // Add faces to faceZones
-    labelList nFaces(mesh.faceZones().size(), 0);
+    labelList nFaces(mesh.faceZones().size(), Zero);
     forAll(faceToZoneID, facei)
     {
         label zoneID = faceToZoneID[facei];
diff --git a/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C b/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C
index d6c7160f5d..531155407b 100644
--- a/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C
+++ b/applications/utilities/mesh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C
@@ -550,7 +550,7 @@ int main(int argc, char *argv[])
         // Dump duplicated points (if any)
         const labelList& pointMap = map().pointMap();
 
-        labelList nDupPerPoint(map().nOldPoints(), 0);
+        labelList nDupPerPoint(map().nOldPoints(), Zero);
 
         pointSet dupPoints(mesh, "duplicatedPoints", 100);
 
diff --git a/applications/utilities/mesh/manipulation/mirrorMesh/mirrorFvMesh.C b/applications/utilities/mesh/manipulation/mirrorMesh/mirrorFvMesh.C
index ed1d9e50ff..aa84040a9b 100644
--- a/applications/utilities/mesh/manipulation/mirrorMesh/mirrorFvMesh.C
+++ b/applications/utilities/mesh/manipulation/mirrorMesh/mirrorFvMesh.C
@@ -271,7 +271,7 @@ Foam::mirrorFvMesh::mirrorFvMesh
     }
 
     // Mirror boundary faces patch by patch
-    labelList newPatchSizes(boundary().size(), 0);
+    labelList newPatchSizes(boundary().size(), Zero);
     labelList newPatchStarts(boundary().size(), -1);
 
     forAll(boundaryMesh(), patchi)
diff --git a/applications/utilities/mesh/manipulation/orientFaceZone/orientFaceZone.C b/applications/utilities/mesh/manipulation/orientFaceZone/orientFaceZone.C
index 71b4edddc5..ca1fe21811 100644
--- a/applications/utilities/mesh/manipulation/orientFaceZone/orientFaceZone.C
+++ b/applications/utilities/mesh/manipulation/orientFaceZone/orientFaceZone.C
@@ -130,7 +130,7 @@ int main(int argc, char *argv[])
     }
     {
         // Number of (master)faces per edge
-        labelList nMasterFaces(patch.nEdges(), 0);
+        labelList nMasterFaces(patch.nEdges(), Zero);
 
         forAll(faceLabels, facei)
         {
diff --git a/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C b/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
index a9770456e3..e26145a8bc 100644
--- a/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
+++ b/applications/utilities/mesh/manipulation/renumberMesh/renumberMesh.C
@@ -130,8 +130,8 @@ void getBand
     scalar& sumSqrIntersect     // scalar to avoid overflow
 )
 {
-    labelList cellBandwidth(nCells, 0);
-    scalarField nIntersect(nCells, 0.0);
+    labelList cellBandwidth(nCells, Zero);
+    scalarField nIntersect(nCells, Zero);
 
     forAll(neighbour, facei)
     {
diff --git a/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C b/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C
index 83f844fe82..af9d68d714 100644
--- a/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C
+++ b/applications/utilities/mesh/manipulation/splitMeshRegions/splitMeshRegions.C
@@ -1149,7 +1149,7 @@ label findCorrespondingRegion
 )
 {
     // Per region the number of cells in zoneI
-    labelList cellsInZone(nCellRegions, 0);
+    labelList cellsInZone(nCellRegions, Zero);
 
     forAll(cellRegion, celli)
     {
@@ -1267,7 +1267,7 @@ void matchRegions
     getZoneID(mesh, cellZones, zoneID, neiZoneID);
 
     // Sizes per cellzone
-    labelList zoneSizes(cellZones.size(), 0);
+    labelList zoneSizes(cellZones.size(), Zero);
     {
         List<wordList> zoneNames(Pstream::nProcs());
         zoneNames[Pstream::myProcNo()] = cellZones.names();
@@ -1753,7 +1753,7 @@ int main(int argc, char *argv[])
     // Sizes per region
     // ~~~~~~~~~~~~~~~~
 
-    labelList regionSizes(nCellRegions, 0);
+    labelList regionSizes(nCellRegions, Zero);
 
     forAll(cellRegion, celli)
     {
diff --git a/applications/utilities/parallelProcessing/decomposePar/domainDecompositionMesh.C b/applications/utilities/parallelProcessing/decomposePar/domainDecompositionMesh.C
index bc8a8f5b1a..ac0c894563 100644
--- a/applications/utilities/parallelProcessing/decomposePar/domainDecompositionMesh.C
+++ b/applications/utilities/parallelProcessing/decomposePar/domainDecompositionMesh.C
@@ -244,7 +244,7 @@ void Foam::domainDecomposition::decomposeMesh()
         label nInterfaces = interPatchFaces[proci].size();
 
         subPatchIDs[proci].setSize(nInterfaces, labelList(1, label(-1)));
-        subPatchStarts[proci].setSize(nInterfaces, labelList(1, label(0)));
+        subPatchStarts[proci].setSize(nInterfaces, labelList(1, Zero));
     }
 
 
diff --git a/applications/utilities/parallelProcessing/decomposePar/domainDecompositionTemplates.C b/applications/utilities/parallelProcessing/decomposePar/domainDecompositionTemplates.C
index 2a3b27b357..2b10aba43a 100644
--- a/applications/utilities/parallelProcessing/decomposePar/domainDecompositionTemplates.C
+++ b/applications/utilities/parallelProcessing/decomposePar/domainDecompositionTemplates.C
@@ -115,7 +115,7 @@ void Foam::domainDecomposition::processInterCyclics
             {
                 label nIntfcs = interPatchFaces[proci].size();
                 subPatchIDs[proci].setSize(nIntfcs, labelList(1, patchi));
-                subPatchStarts[proci].setSize(nIntfcs, labelList(1, label(0)));
+                subPatchStarts[proci].setSize(nIntfcs, labelList(1, Zero));
             }
         }
     }
diff --git a/applications/utilities/parallelProcessing/decomposePar/faMeshDecomposition.C b/applications/utilities/parallelProcessing/decomposePar/faMeshDecomposition.C
index 01a913e3e2..da5cdb7cc5 100644
--- a/applications/utilities/parallelProcessing/decomposePar/faMeshDecomposition.C
+++ b/applications/utilities/parallelProcessing/decomposePar/faMeshDecomposition.C
@@ -180,7 +180,7 @@ Foam::faMeshDecomposition::faMeshDecomposition
     faceToProc_(nFaces()),
     procFaceLabels_(nProcs_),
     procMeshEdgesMap_(nProcs_),
-    procNInternalEdges_(nProcs_, 0),
+    procNInternalEdges_(nProcs_, Zero),
     procPatchEdgeLabels_(nProcs_),
     procPatchPointAddressing_(nProcs_),
     procPatchEdgeAddressing_(nProcs_),
@@ -991,7 +991,7 @@ void Foam::faMeshDecomposition::decomposeMesh()
 
     // Memory management
     {
-        labelList pointsUsage(nPoints(), 0);
+        labelList pointsUsage(nPoints(), Zero);
 
         // Globally shared points are the ones used by more than 2 processors
         // Size the list approximately and gather the points
diff --git a/applications/utilities/parallelProcessing/redistributePar/redistributePar.C b/applications/utilities/parallelProcessing/redistributePar/redistributePar.C
index 7e094408ec..902bec0973 100644
--- a/applications/utilities/parallelProcessing/redistributePar/redistributePar.C
+++ b/applications/utilities/parallelProcessing/redistributePar/redistributePar.C
@@ -2671,7 +2671,7 @@ int main(int argc, char *argv[])
                         << endl;
 
                     label nDestProcs = 1;
-                    labelList finalDecomp = labelList(mesh.nCells(), 0);
+                    labelList finalDecomp = labelList(mesh.nCells(), Zero);
 
                     redistributeAndWrite
                     (
diff --git a/applications/utilities/postProcessing/graphics/PVReaders/vtkPVFoam/vtkPVFoam.C b/applications/utilities/postProcessing/graphics/PVReaders/vtkPVFoam/vtkPVFoam.C
index 1cf6e69aaf..7603478537 100644
--- a/applications/utilities/postProcessing/graphics/PVReaders/vtkPVFoam/vtkPVFoam.C
+++ b/applications/utilities/postProcessing/graphics/PVReaders/vtkPVFoam/vtkPVFoam.C
@@ -819,7 +819,7 @@ void Foam::vtkPVFoam::renderPatchNames
         // Find the total number of zones
         // Each zone will take the patch name
         // Number of zones per patch ... zero zones should be skipped
-        labelList nZones(pbMesh.size(), 0);
+        labelList nZones(pbMesh.size(), Zero);
 
         // Per global zone number the average face centre position
         List<DynamicList<point>> zoneCentre(pbMesh.size());
@@ -862,7 +862,7 @@ void Foam::vtkPVFoam::renderPatchNames
 
             nZones[patchi] = pZones.nZones();
 
-            labelList zoneNFaces(pZones.nZones(), 0);
+            labelList zoneNFaces(pZones.nZones(), Zero);
 
             // Create storage for additional zone centres
             forAll(zoneNFaces, zonei)
diff --git a/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C b/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C
index d61ba155f3..951046cf40 100644
--- a/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C
+++ b/applications/utilities/postProcessing/lagrangian/particleTracks/particleTracks.C
@@ -121,7 +121,7 @@ int main(int argc, char *argv[])
 
 
     // Calculate starting ids for particles on each processor
-    List<label> startIds(numIds.size(), 0);
+    labelList startIds(numIds.size(), Zero);
     for (label i = 0; i < numIds.size()-1; i++)
     {
         startIds[i+1] += startIds[i] + numIds[i];
diff --git a/applications/utilities/postProcessing/lagrangian/steadyParticleTracks/steadyParticleTracks.C b/applications/utilities/postProcessing/lagrangian/steadyParticleTracks/steadyParticleTracks.C
index 9830ce3bdf..b9b9d120db 100644
--- a/applications/utilities/postProcessing/lagrangian/steadyParticleTracks/steadyParticleTracks.C
+++ b/applications/utilities/postProcessing/lagrangian/steadyParticleTracks/steadyParticleTracks.C
@@ -204,7 +204,7 @@ int main(int argc, char *argv[])
             Info<< "\n    Generating " << nTracks << " tracks" << endl;
 
             // Determine length of each track
-            labelList trackLengths(nTracks, 0);
+            labelList trackLengths(nTracks, Zero);
             forAll(particleToTrack, i)
             {
                 const label trackI = particleToTrack[i];
@@ -237,7 +237,7 @@ int main(int argc, char *argv[])
 
                 const scalarField& age = tage();
 
-                List<label> trackSamples(nTracks, 0);
+                labelList trackSamples(nTracks, Zero);
 
                 forAll(particleToTrack, i)
                 {
diff --git a/applications/utilities/postProcessing/miscellaneous/pdfPlot/createFields.H b/applications/utilities/postProcessing/miscellaneous/pdfPlot/createFields.H
index 73d3807fff..1c7cec3b96 100644
--- a/applications/utilities/postProcessing/miscellaneous/pdfPlot/createFields.H
+++ b/applications/utilities/postProcessing/miscellaneous/pdfPlot/createFields.H
@@ -44,4 +44,4 @@
         filePtr.reset(new OFstream(fName));
     }
 
-    scalarField samples(nIntervals, 0);
+    scalarField samples(nIntervals, Zero);
diff --git a/applications/utilities/preProcessing/viewFactorsGen/viewFactorsGen.C b/applications/utilities/preProcessing/viewFactorsGen/viewFactorsGen.C
index c80fec2be3..1ce6c3a27c 100644
--- a/applications/utilities/preProcessing/viewFactorsGen/viewFactorsGen.C
+++ b/applications/utilities/preProcessing/viewFactorsGen/viewFactorsGen.C
@@ -485,7 +485,7 @@ int main(int argc, char *argv[])
     #include "shootRays.H"
 
     // Calculate number of visible faces from local index
-    labelList nVisibleFaceFaces(nCoarseFaces, 0);
+    labelList nVisibleFaceFaces(nCoarseFaces, Zero);
 
     forAll(rayStartFace, i)
     {
@@ -628,7 +628,7 @@ int main(int argc, char *argv[])
         0.0
     );
 
-    scalarList patchArea(totalPatches, 0.0);
+    scalarList patchArea(totalPatches, Zero);
 
     if (Pstream::master())
     {
diff --git a/applications/utilities/preProcessing/wallFunctionTable/tabulatedWallFunction/general/general.C b/applications/utilities/preProcessing/wallFunctionTable/tabulatedWallFunction/general/general.C
index 87df0faa85..2e5f051edc 100644
--- a/applications/utilities/preProcessing/wallFunctionTable/tabulatedWallFunction/general/general.C
+++ b/applications/utilities/preProcessing/wallFunctionTable/tabulatedWallFunction/general/general.C
@@ -57,7 +57,7 @@ Foam::tabulatedWallFunctions::general::interpolationTypeNames_
 
 void Foam::tabulatedWallFunctions::general::invertTable()
 {
-    scalarList Rey(uPlus_.size(), 0.0);
+    scalarList Rey(uPlus_.size(), Zero);
 
     // Calculate Reynolds number
     forAll(uPlus_, i)
diff --git a/applications/utilities/surface/surfaceBooleanFeatures/surfaceBooleanFeatures.C b/applications/utilities/surface/surfaceBooleanFeatures/surfaceBooleanFeatures.C
index 808f552ff4..8224bc8632 100644
--- a/applications/utilities/surface/surfaceBooleanFeatures/surfaceBooleanFeatures.C
+++ b/applications/utilities/surface/surfaceBooleanFeatures/surfaceBooleanFeatures.C
@@ -1242,7 +1242,7 @@ autoPtr<extendedFeatureEdgeMesh> createEdgeMesh
     label nFeatEds = inter.cutEdges().size();
 
     DynamicList<vector> normals(2*nFeatEds);
-    vectorField edgeDirections(nFeatEds, vector::zero);
+    vectorField edgeDirections(nFeatEds, Zero);
     DynamicList<extendedFeatureEdgeMesh::sideVolumeType> normalVolumeTypes
     (
         2*nFeatEds
diff --git a/applications/utilities/surface/surfaceCheck/surfaceCheck.C b/applications/utilities/surface/surfaceCheck/surfaceCheck.C
index a131d11c4c..182ddd66e4 100644
--- a/applications/utilities/surface/surfaceCheck/surfaceCheck.C
+++ b/applications/utilities/surface/surfaceCheck/surfaceCheck.C
@@ -80,7 +80,7 @@ labelList countBins
 {
     scalar dist = nBins/(max - min);
 
-    labelList binCount(nBins, 0);
+    labelList binCount(nBins, Zero);
 
     forAll(vals, i)
     {
@@ -444,7 +444,7 @@ int main(int argc, char *argv[])
     // ~~~~~~~~~~~~
 
     {
-        labelList regionSize(surf.patches().size(), 0);
+        labelList regionSize(surf.patches().size(), Zero);
 
         forAll(surf, facei)
         {
@@ -541,7 +541,7 @@ int main(int argc, char *argv[])
                         faces
                     ),
                     "illegal",
-                    scalarField(subSurf.size(), 0.0),
+                    scalarField(subSurf.size(), Zero),
                     false               // face based data
                 );
             }
@@ -580,7 +580,7 @@ int main(int argc, char *argv[])
     // ~~~~~~~~~~~~~~~~
 
     {
-        scalarField triQ(surf.size(), 0);
+        scalarField triQ(surf.size(), Zero);
         forAll(surf, facei)
         {
             const labelledTri& f = surf[facei];
diff --git a/applications/utilities/surface/surfaceInflate/surfaceInflate.C b/applications/utilities/surface/surfaceInflate/surfaceInflate.C
index 1036ff46c5..72aa401d35 100644
--- a/applications/utilities/surface/surfaceInflate/surfaceInflate.C
+++ b/applications/utilities/surface/surfaceInflate/surfaceInflate.C
@@ -141,7 +141,7 @@ tmp<vectorField> calcPointNormals
     {
         const labelListList& edgeFaces = s.edgeFaces();
 
-        labelList nNormals(s.nPoints(), 0);
+        labelList nNormals(s.nPoints(), Zero);
         forAll(edgeStat, edgeI)
         {
             if (edgeStat[edgeI] != surfaceFeatures::NONE)
@@ -355,10 +355,10 @@ tmp<scalarField> avg
     const scalarField& edgeWeights
 )
 {
-    tmp<scalarField> tres(new scalarField(s.nPoints(), 0.0));
+    tmp<scalarField> tres(new scalarField(s.nPoints(), Zero));
     scalarField& res = tres.ref();
 
-    scalarField sumWeight(s.nPoints(), 0.0);
+    scalarField sumWeight(s.nPoints(), Zero);
 
     const edgeList& edges = s.edges();
 
@@ -499,7 +499,7 @@ void lloydsSmoothing
         const pointField& points = s.points();
 
         vectorField pointSum(s.nPoints(), Zero);
-        labelList nPointSum(s.nPoints(), 0);
+        labelList nPointSum(s.nPoints(), Zero);
 
         forAll(edges, edgeI)
         {
diff --git a/src/ODE/ODESolvers/SIBS/SIBS.C b/src/ODE/ODESolvers/SIBS/SIBS.C
index 2bd63ece59..7ae3a3b645 100644
--- a/src/ODE/ODESolvers/SIBS/SIBS.C
+++ b/src/ODE/ODESolvers/SIBS/SIBS.C
@@ -49,18 +49,18 @@ namespace Foam
 Foam::SIBS::SIBS(const ODESystem& ode, const dictionary& dict)
 :
     ODESolver(ode, dict),
-    a_(iMaxX_, 0.0),
-    alpha_(kMaxX_, 0.0),
-    d_p_(n_, kMaxX_, 0.0),
-    x_p_(kMaxX_, 0.0),
-    err_(kMaxX_, 0.0),
+    a_(iMaxX_, Zero),
+    alpha_(kMaxX_, Zero),
+    d_p_(n_, kMaxX_, Zero),
+    x_p_(kMaxX_, Zero),
+    err_(kMaxX_, Zero),
 
-    yTemp_(n_, 0.0),
-    ySeq_(n_, 0.0),
-    yErr_(n_, 0.0),
+    yTemp_(n_, Zero),
+    ySeq_(n_, Zero),
+    yErr_(n_, Zero),
     dydx0_(n_),
-    dfdx_(n_, 0.0),
-    dfdy_(n_, 0.0),
+    dfdx_(n_, Zero),
+    dfdy_(n_, Zero),
     first_(1),
     epsOld_(-1.0)
 {}
diff --git a/src/OpenFOAM/containers/Lists/Distribution/Distribution.C b/src/OpenFOAM/containers/Lists/Distribution/Distribution.C
index 8a7ae778c3..a4793c25f5 100644
--- a/src/OpenFOAM/containers/Lists/Distribution/Distribution.C
+++ b/src/OpenFOAM/containers/Lists/Distribution/Distribution.C
@@ -119,7 +119,7 @@ Foam::label Foam::Distribution<Type>::index
         // Underflow of this List, storage increase and remapping
         // required
 
-        List<scalar> newCmptDistribution(2*cmptDistribution.size(), 0.0);
+        List<scalar> newCmptDistribution(2*cmptDistribution.size(), Zero);
 
         label sOld = cmptDistribution.size();
 
diff --git a/src/OpenFOAM/containers/Lists/ListOps/ListOps.C b/src/OpenFOAM/containers/Lists/ListOps/ListOps.C
index 58f95736bb..4bca347959 100644
--- a/src/OpenFOAM/containers/Lists/ListOps/ListOps.C
+++ b/src/OpenFOAM/containers/Lists/ListOps/ListOps.C
@@ -70,7 +70,7 @@ Foam::labelListList Foam::invertOneToMany
     const labelUList& map
 )
 {
-    labelList sizes(len, 0);
+    labelList sizes(len, Zero);
 
     for (const label newIdx : map)
     {
diff --git a/src/OpenFOAM/containers/Lists/ListOps/ListOpsTemplates.C b/src/OpenFOAM/containers/Lists/ListOps/ListOpsTemplates.C
index f6236a031a..df023d3b28 100644
--- a/src/OpenFOAM/containers/Lists/ListOps/ListOpsTemplates.C
+++ b/src/OpenFOAM/containers/Lists/ListOps/ListOpsTemplates.C
@@ -695,7 +695,7 @@ void Foam::invertManyToMany
 )
 {
     // The output list sizes
-    labelList sizes(len, 0);
+    labelList sizes(len, Zero);
 
     for (const InputIntListType& sublist : input)
     {
diff --git a/src/OpenFOAM/containers/Lists/SortableList/SortableList.C b/src/OpenFOAM/containers/Lists/SortableList/SortableList.C
index e3c7096497..4db5c6e5f4 100644
--- a/src/OpenFOAM/containers/Lists/SortableList/SortableList.C
+++ b/src/OpenFOAM/containers/Lists/SortableList/SortableList.C
@@ -42,6 +42,13 @@ inline Foam::SortableList<T>::SortableList(const label size)
 {}
 
 
+template<class T>
+inline Foam::SortableList<T>::SortableList(const label size, const zero)
+:
+    List<T>(size, zero())
+{}
+
+
 template<class T>
 inline Foam::SortableList<T>::SortableList(const label size, const T& val)
 :
diff --git a/src/OpenFOAM/containers/Lists/SortableList/SortableList.H b/src/OpenFOAM/containers/Lists/SortableList/SortableList.H
index fe846ead30..24d0251790 100644
--- a/src/OpenFOAM/containers/Lists/SortableList/SortableList.H
+++ b/src/OpenFOAM/containers/Lists/SortableList/SortableList.H
@@ -71,7 +71,11 @@ public:
         //  The indices remain empty until the list is sorted
         inline explicit SortableList(const label size);
 
-        //- Construct given size and initial value. Sort later on
+        //- Construct zero-initialized with given size, sort later.
+        //  The indices remain empty until the list is sorted
+        inline SortableList(const label size, const zero);
+
+        //- Construct given size and initial value, sorting later.
         //  The indices remain empty until the list is sorted
         inline SortableList(const label size, const T& val);
 
diff --git a/src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.C b/src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.C
index 92c2c0dd48..6adc62ff44 100644
--- a/src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.C
+++ b/src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.C
@@ -796,7 +796,7 @@ Foam::label Foam::decomposedBlockData::calcNumProcs
     (
         reinterpret_cast<const char*>(&nSendProcs),
         List<int>(nProcs, sizeof(nSendProcs)),
-        List<int>(nProcs, 0),
+        List<int>(nProcs, Zero),
         reinterpret_cast<char*>(&n),
         sizeof(n),
         comm
diff --git a/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C b/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C
index e1842eb038..99c454a4d4 100644
--- a/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C
+++ b/src/OpenFOAM/db/IOstreams/Pstreams/UPstream.C
@@ -58,7 +58,7 @@ void Foam::UPstream::setParRun(const label nProcs, const bool haveThreads)
         haveThreads_ = haveThreads;
 
         freeCommunicator(UPstream::worldComm);
-        label comm = allocateCommunicator(-1, labelList(1, label(0)), false);
+        label comm = allocateCommunicator(-1, labelList(1, Zero), false);
         if (comm != UPstream::worldComm)
         {
             FatalErrorInFunction
@@ -382,7 +382,7 @@ Foam::UPstream::treeCommunication_(10);
 Foam::UPstream::communicator serialComm
 (
     -1,
-    Foam::labelList(1, Foam::label(0)),
+    Foam::labelList(1, Foam::Zero),
     false
 );
 
diff --git a/src/OpenFOAM/db/IOstreams/Pstreams/exchange.C b/src/OpenFOAM/db/IOstreams/Pstreams/exchange.C
index c9d3b47e0f..71dbede179 100644
--- a/src/OpenFOAM/db/IOstreams/Pstreams/exchange.C
+++ b/src/OpenFOAM/db/IOstreams/Pstreams/exchange.C
@@ -275,9 +275,9 @@ void Foam::Pstream::exchange
             List<char*> charRecvBufs(sendBufs.size());
 
             labelList nRecv(sendBufs.size());
-            labelList startRecv(sendBufs.size(), 0);
+            labelList startRecv(sendBufs.size(), Zero);
             labelList nSend(sendBufs.size());
-            labelList startSend(sendBufs.size(), 0);
+            labelList startSend(sendBufs.size(), Zero);
 
             for (label iter = 0; iter < nIter; iter++)
             {
diff --git a/src/OpenFOAM/fields/GeometricFields/geometricZeroField/geometricZeroField.H b/src/OpenFOAM/fields/GeometricFields/geometricZeroField/geometricZeroField.H
index 2a9b4fe591..c029e5952e 100644
--- a/src/OpenFOAM/fields/GeometricFields/geometricZeroField/geometricZeroField.H
+++ b/src/OpenFOAM/fields/GeometricFields/geometricZeroField/geometricZeroField.H
@@ -25,7 +25,7 @@ Class
     Foam::geometricZeroField
 
 Description
-    A class representing the concept of a GeometricField of 1 used to avoid
+    A class representing the concept of a GeometricField of 0 used to avoid
     unnecessary manipulations for objects which are known to be zero at
     compile-time.
 
@@ -57,6 +57,14 @@ class geometricZeroField
 
 public:
 
+    // Public typedefs
+
+        typedef zeroField Internal;
+        typedef zeroField Patch;
+        typedef zeroFieldField Boundary;
+        typedef zero cmptType;
+
+
     // Constructors
 
         //- Construct null
diff --git a/src/OpenFOAM/graph/curve/curve.C b/src/OpenFOAM/graph/curve/curve.C
index 8726064976..f42e36d3b8 100644
--- a/src/OpenFOAM/graph/curve/curve.C
+++ b/src/OpenFOAM/graph/curve/curve.C
@@ -35,7 +35,7 @@ Foam::curve::curve
     const label l
 )
 :
-    scalarField(l, 0.0),
+    scalarField(l, Zero),
     name_(name),
     style_(style)
 {}
diff --git a/src/OpenFOAM/interpolations/uniformInterpolationTable/uniformInterpolationTable.C b/src/OpenFOAM/interpolations/uniformInterpolationTable/uniformInterpolationTable.C
index 8a48fffb73..37a2e91376 100644
--- a/src/OpenFOAM/interpolations/uniformInterpolationTable/uniformInterpolationTable.C
+++ b/src/OpenFOAM/interpolations/uniformInterpolationTable/uniformInterpolationTable.C
@@ -54,7 +54,7 @@ Foam::uniformInterpolationTable<Type>::uniformInterpolationTable
 )
 :
     IOobject(io),
-    List<scalar>(2, 0.0),
+    List<scalar>(2, Zero),
     x0_(0.0),
     dx_(1.0),
     log10_(false),
@@ -93,7 +93,7 @@ Foam::uniformInterpolationTable<Type>::uniformInterpolationTable
         IOobject::NO_WRITE,
         false // if used in BCs, could be used by multiple patches
     ),
-    List<scalar>(2, 0.0),
+    List<scalar>(2, Zero),
     x0_(dict.get<scalar>("x0")),
     dx_(dict.get<scalar>("dx")),
     log10_(dict.lookupOrDefault<Switch>("log10", false)),
diff --git a/src/OpenFOAM/matrices/lduMatrix/lduAddressing/lduAddressing.C b/src/OpenFOAM/matrices/lduMatrix/lduAddressing/lduAddressing.C
index 02bbd1a393..1abd05c876 100644
--- a/src/OpenFOAM/matrices/lduMatrix/lduAddressing/lduAddressing.C
+++ b/src/OpenFOAM/matrices/lduMatrix/lduAddressing/lduAddressing.C
@@ -41,7 +41,7 @@ void Foam::lduAddressing::calcLosort() const
     // Scan the neighbour list to find out how many times the cell
     // appears as a neighbour of the face. Done this way to avoid guessing
     // and resizing list
-    labelList nNbrOfFace(size(), 0);
+    labelList nNbrOfFace(size(), Zero);
 
     const labelUList& nbr = upperAddr();
 
@@ -136,7 +136,7 @@ void Foam::lduAddressing::calcLosortStart() const
             << abort(FatalError);
     }
 
-    losortStartPtr_ = new labelList(size() + 1, 0);
+    losortStartPtr_ = new labelList(size() + 1, Zero);
 
     labelList& lsrtStart = *losortStartPtr_;
 
@@ -259,7 +259,7 @@ Foam::Tuple2<Foam::label, Foam::scalar> Foam::lduAddressing::band() const
     const labelUList& owner = lowerAddr();
     const labelUList& neighbour = upperAddr();
 
-    labelList cellBandwidth(size(), 0);
+    labelList cellBandwidth(size(), Zero);
 
     forAll(neighbour, facei)
     {
diff --git a/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.C b/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.C
index 63f51c4d31..20f7d973a2 100644
--- a/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.C
+++ b/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrix.C
@@ -178,7 +178,7 @@ Foam::scalarField& Foam::lduMatrix::lower()
         }
         else
         {
-            lowerPtr_ = new scalarField(lduAddr().lowerAddr().size(), 0.0);
+            lowerPtr_ = new scalarField(lduAddr().lowerAddr().size(), Zero);
         }
     }
 
@@ -190,7 +190,7 @@ Foam::scalarField& Foam::lduMatrix::diag()
 {
     if (!diagPtr_)
     {
-        diagPtr_ = new scalarField(lduAddr().size(), 0.0);
+        diagPtr_ = new scalarField(lduAddr().size(), Zero);
     }
 
     return *diagPtr_;
@@ -207,7 +207,7 @@ Foam::scalarField& Foam::lduMatrix::upper()
         }
         else
         {
-            upperPtr_ = new scalarField(lduAddr().lowerAddr().size(), 0.0);
+            upperPtr_ = new scalarField(lduAddr().lowerAddr().size(), Zero);
         }
     }
 
@@ -225,7 +225,7 @@ Foam::scalarField& Foam::lduMatrix::lower(const label nCoeffs)
         }
         else
         {
-            lowerPtr_ = new scalarField(nCoeffs, 0.0);
+            lowerPtr_ = new scalarField(nCoeffs, Zero);
         }
     }
 
@@ -237,7 +237,7 @@ Foam::scalarField& Foam::lduMatrix::diag(const label size)
 {
     if (!diagPtr_)
     {
-        diagPtr_ = new scalarField(size, 0.0);
+        diagPtr_ = new scalarField(size, Zero);
     }
 
     return *diagPtr_;
@@ -254,7 +254,7 @@ Foam::scalarField& Foam::lduMatrix::upper(const label nCoeffs)
         }
         else
         {
-            upperPtr_ = new scalarField(nCoeffs, 0.0);
+            upperPtr_ = new scalarField(nCoeffs, Zero);
         }
     }
 
diff --git a/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrixATmul.C b/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrixATmul.C
index ac34041851..df23245025 100644
--- a/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrixATmul.C
+++ b/src/OpenFOAM/matrices/lduMatrix/lduMatrix/lduMatrixATmul.C
@@ -295,7 +295,7 @@ Foam::tmp<Foam::scalarField > Foam::lduMatrix::H1() const
 {
     tmp<scalarField > tH1
     (
-        new scalarField(lduAddr().size(), 0.0)
+        new scalarField(lduAddr().size(), Zero)
     );
 
     if (lowerPtr_ || upperPtr_)
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomerateLduAddressing.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomerateLduAddressing.C
index 4e402464c3..36aaef59fb 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomerateLduAddressing.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/GAMGAgglomeration/GAMGAgglomerateLduAddressing.C
@@ -70,7 +70,7 @@ void Foam::GAMGAgglomeration::agglomerateLduAddressing
     label maxNnbrs = 10;
 
     // Number of faces for each coarse-cell
-    labelList cCellnFaces(nCoarseCells, 0);
+    labelList cCellnFaces(nCoarseCells, Zero);
 
     // Setup initial packed storage for coarse-cell faces
     labelList cCellFaces(maxNnbrs*nCoarseCells);
@@ -260,7 +260,11 @@ void Foam::GAMGAgglomeration::agglomerateLduAddressing
     // Get reference to fine-level interfaces
     const lduInterfacePtrsList& fineInterfaces = interfaceLevel(fineLevelIndex);
 
-    nPatchFaces_.set(fineLevelIndex, new labelList(fineInterfaces.size(), 0));
+    nPatchFaces_.set
+    (
+        fineLevelIndex,
+        new labelList(fineInterfaces.size(), Zero)
+    );
     labelList& nPatchFaces = nPatchFaces_[fineLevelIndex];
 
     patchFaceRestrictAddressing_.set
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/pairGAMGAgglomeration/pairGAMGAgglomerate.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/pairGAMGAgglomeration/pairGAMGAgglomerate.C
index 42133e69d0..5354c6fe1e 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/pairGAMGAgglomeration/pairGAMGAgglomerate.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGAgglomerations/pairGAMGAgglomeration/pairGAMGAgglomerate.C
@@ -135,7 +135,7 @@ Foam::tmp<Foam::labelField> Foam::pairGAMGAgglomeration::agglomerate
 
     // memory management
     {
-        labelList nNbrs(nFineCells, 0);
+        labelList nNbrs(nFineCells, Zero);
 
         forAll(upperAddr, facei)
         {
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/masterCoarsestGAMGProcAgglomeration/masterCoarsestGAMGProcAgglomeration.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/masterCoarsestGAMGProcAgglomeration/masterCoarsestGAMGProcAgglomeration.C
index 273e78377a..3d5b0aa293 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/masterCoarsestGAMGProcAgglomeration/masterCoarsestGAMGProcAgglomeration.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/masterCoarsestGAMGProcAgglomeration/masterCoarsestGAMGProcAgglomeration.C
@@ -95,7 +95,7 @@ bool Foam::masterCoarsestGAMGProcAgglomeration::agglomerate()
             if (nProcs > 1)
             {
                 // Processor restriction map: per processor the coarse processor
-                labelList procAgglomMap(nProcs, 0);
+                labelList procAgglomMap(nProcs, Zero);
 
                 // Master processor
                 labelList masterProcs;
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/procFacesGAMGProcAgglomeration/procFacesGAMGProcAgglomeration.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/procFacesGAMGProcAgglomeration/procFacesGAMGProcAgglomeration.C
index 484289bedc..23573d1cc6 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/procFacesGAMGProcAgglomeration/procFacesGAMGProcAgglomeration.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGProcAgglomerations/procFacesGAMGProcAgglomeration/procFacesGAMGProcAgglomeration.C
@@ -150,7 +150,7 @@ Foam::procFacesGAMGProcAgglomeration::processorAgglomeration
     label singleCellMeshComm = UPstream::allocateCommunicator
     (
         mesh.comm(),
-        labelList(1, label(0))            // only processor 0
+        labelList(1, Zero)   // only processor 0
     );
 
     scalarField faceWeights;
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C
index 36f34f2af1..faf2cd699f 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/GAMGSolverAgglomerateMatrix.C
@@ -253,7 +253,7 @@ void Foam::GAMGSolver::agglomerateInterfaceCoefficients
             coarseInterfaceBouCoeffs.set
             (
                 inti,
-                new scalarField(nPatchFaces[inti], 0.0)
+                new scalarField(nPatchFaces[inti], Zero)
             );
             agglomeration_.restrictField
             (
@@ -265,7 +265,7 @@ void Foam::GAMGSolver::agglomerateInterfaceCoefficients
             coarseInterfaceIntCoeffs.set
             (
                 inti,
-                new scalarField(nPatchFaces[inti], 0.0)
+                new scalarField(nPatchFaces[inti], Zero)
             );
             agglomeration_.restrictField
             (
diff --git a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/interfaces/GAMGInterface/GAMGInterface.C b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/interfaces/GAMGInterface/GAMGInterface.C
index 2151fa3005..3fef086ee2 100644
--- a/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/interfaces/GAMGInterface/GAMGInterface.C
+++ b/src/OpenFOAM/matrices/lduMatrix/solvers/GAMG/interfaces/GAMGInterface/GAMGInterface.C
@@ -80,7 +80,7 @@ Foam::tmp<Foam::scalarField> Foam::GAMGInterface::agglomerateCoeffs
     const scalarField& fineCoeffs
 ) const
 {
-    tmp<scalarField> tcoarseCoeffs(new scalarField(size(), 0.0));
+    tmp<scalarField> tcoarseCoeffs(new scalarField(size(), Zero));
     scalarField& coarseCoeffs = tcoarseCoeffs.ref();
 
     if (fineCoeffs.size() != faceRestrictAddressing_.size())
diff --git a/src/OpenFOAM/matrices/scalarMatrices/scalarMatrices.C b/src/OpenFOAM/matrices/scalarMatrices/scalarMatrices.C
index bbdb5118f1..c91d4cf3be 100644
--- a/src/OpenFOAM/matrices/scalarMatrices/scalarMatrices.C
+++ b/src/OpenFOAM/matrices/scalarMatrices/scalarMatrices.C
@@ -221,7 +221,7 @@ void Foam::multiply
             << abort(FatalError);
     }
 
-    ans = scalarRectangularMatrix(A.m(), C.n(), scalar(0));
+    ans = scalarRectangularMatrix(A.m(), C.n(), Zero);
 
     for (label i=0; i<A.m(); i++)
     {
@@ -265,7 +265,7 @@ void Foam::multiply
             << abort(FatalError);
     }
 
-    ans = scalarRectangularMatrix(A.m(), C.n(), scalar(0));
+    ans = scalarRectangularMatrix(A.m(), C.n(), Zero);
 
     for (label i=0; i<A.m(); i++)
     {
diff --git a/src/OpenFOAM/matrices/scalarMatrices/scalarMatricesTemplates.C b/src/OpenFOAM/matrices/scalarMatrices/scalarMatricesTemplates.C
index 5ad55e6a55..31fd37b20f 100644
--- a/src/OpenFOAM/matrices/scalarMatrices/scalarMatricesTemplates.C
+++ b/src/OpenFOAM/matrices/scalarMatrices/scalarMatricesTemplates.C
@@ -249,7 +249,7 @@ void Foam::multiply
             << abort(FatalError);
     }
 
-    ans = Matrix<Form, Type>(A.m(), B.n(), scalar(0));
+    ans = Matrix<Form, Type>(A.m(), B.n(), Zero);
 
     for (label i=0; i<A.m(); i++)
     {
diff --git a/src/OpenFOAM/meshes/ProcessorTopology/commSchedule.C b/src/OpenFOAM/meshes/ProcessorTopology/commSchedule.C
index aeec9a3543..8581e05633 100644
--- a/src/OpenFOAM/meshes/ProcessorTopology/commSchedule.C
+++ b/src/OpenFOAM/meshes/ProcessorTopology/commSchedule.C
@@ -242,7 +242,7 @@ Foam::commSchedule::commSchedule
 
     // Sort schedule_ by processor
 
-    labelList nProcScheduled(nProcs, 0);
+    labelList nProcScheduled(nProcs, Zero);
 
     // Count
     forAll(schedule_, i)
diff --git a/src/OpenFOAM/meshes/bandCompression/bandCompression.C b/src/OpenFOAM/meshes/bandCompression/bandCompression.C
index d144288867..4ec7c973dd 100644
--- a/src/OpenFOAM/meshes/bandCompression/bandCompression.C
+++ b/src/OpenFOAM/meshes/bandCompression/bandCompression.C
@@ -152,7 +152,7 @@ Foam::labelList Foam::bandCompression
 )
 {
     // Count number of neighbours
-    labelList numNbrs(offsets.size()-1, 0);
+    labelList numNbrs(offsets.size()-1, Zero);
     forAll(numNbrs, celli)
     {
         label start = offsets[celli];
diff --git a/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C b/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C
index 9a2d5c50d6..69fb3e8fb0 100644
--- a/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C
+++ b/src/OpenFOAM/meshes/lduMesh/lduPrimitiveMesh.C
@@ -132,7 +132,7 @@ Foam::labelList Foam::lduPrimitiveMesh::upperTriOrder
     const labelUList& upper
 )
 {
-    labelList nNbrs(nCells, 0);
+    labelList nNbrs(nCells, Zero);
 
     // Count number of upper neighbours
     forAll(lower, facei)
@@ -377,7 +377,7 @@ Foam::lduPrimitiveMesh::lduPrimitiveMesh
 
 
     label nOtherInterfaces = 0;
-    labelList nCoupledFaces(nMeshes, 0);
+    labelList nCoupledFaces(nMeshes, Zero);
 
     for (label procMeshI = 0; procMeshI < nMeshes; procMeshI++)
     {
diff --git a/src/OpenFOAM/meshes/meshShapes/cellMatcher/degenerateMatcher.C b/src/OpenFOAM/meshes/meshShapes/cellMatcher/degenerateMatcher.C
index 90df5d52b4..9cd3dc5424 100644
--- a/src/OpenFOAM/meshes/meshShapes/cellMatcher/degenerateMatcher.C
+++ b/src/OpenFOAM/meshes/meshShapes/cellMatcher/degenerateMatcher.C
@@ -84,9 +84,9 @@ Foam::cellShape Foam::degenerateMatcher::match(const faceList& faces)
     return match
     (
         faces,
-        labelList(faces.size(), 0),    // cell 0 is owner of all faces
-        0,                             // cell 0
-        identity(faces.size())         // cell 0 consists of all faces
+        labelList(faces.size(), Zero),  // cell 0 is owner of all faces
+        0,                              // cell 0
+        identity(faces.size())          // cell 0 consists of all faces
     );
 }
 
diff --git a/src/OpenFOAM/meshes/meshShapes/cellMatcher/hexMatcher.C b/src/OpenFOAM/meshes/meshShapes/cellMatcher/hexMatcher.C
index ae0e7b9931..4fcf806ea9 100644
--- a/src/OpenFOAM/meshes/meshShapes/cellMatcher/hexMatcher.C
+++ b/src/OpenFOAM/meshes/meshShapes/cellMatcher/hexMatcher.C
@@ -287,10 +287,10 @@ bool Foam::hexMatcher::isA(const faceList& faces)
     return matchShape
     (
         true,
-        faces,                      // all faces in mesh
-        labelList(faces.size(), 0), // cell 0 is owner of all faces
-        0,                          // cell label
-        identity(faces.size())      // faces of cell 0
+        faces,                          // all faces in mesh
+        labelList(faces.size(), Zero),  // cell 0 is owner of all faces
+        0,                              // cell label
+        identity(faces.size())          // faces of cell 0
     );
 }
 
diff --git a/src/OpenFOAM/meshes/meshShapes/cellMatcher/prismMatcher.C b/src/OpenFOAM/meshes/meshShapes/cellMatcher/prismMatcher.C
index 9ff2ec7fdc..c93a11db87 100644
--- a/src/OpenFOAM/meshes/meshShapes/cellMatcher/prismMatcher.C
+++ b/src/OpenFOAM/meshes/meshShapes/cellMatcher/prismMatcher.C
@@ -346,10 +346,10 @@ bool Foam::prismMatcher::isA(const faceList& faces)
     return matchShape
     (
         true,
-        faces,                      // all faces in mesh
-        labelList(faces.size(), 0), // cell 0 is owner of all faces
-        0,                          // cell label
-        identity(faces.size())      // faces of cell 0
+        faces,                          // all faces in mesh
+        labelList(faces.size(), Zero),  // cell 0 is owner of all faces
+        0,                              // cell label
+        identity(faces.size())          // faces of cell 0
     );
 }
 
diff --git a/src/OpenFOAM/meshes/meshShapes/cellMatcher/pyrMatcher.C b/src/OpenFOAM/meshes/meshShapes/cellMatcher/pyrMatcher.C
index 4ecda6ea0c..a80d3f671e 100644
--- a/src/OpenFOAM/meshes/meshShapes/cellMatcher/pyrMatcher.C
+++ b/src/OpenFOAM/meshes/meshShapes/cellMatcher/pyrMatcher.C
@@ -268,10 +268,10 @@ bool Foam::pyrMatcher::isA(const faceList& faces)
     return matchShape
     (
         true,
-        faces,                      // all faces in mesh
-        labelList(faces.size(), 0), // cell 0 is owner of all faces
-        0,                          // cell label
-        identity(faces.size())      // faces of cell 0
+        faces,                          // all faces in mesh
+        labelList(faces.size(), Zero),  // cell 0 is owner of all faces
+        0,                              // cell label
+        identity(faces.size())          // faces of cell 0
     );
 }
 
diff --git a/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetMatcher.C b/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetMatcher.C
index 3a2e594a74..4709d3d33a 100644
--- a/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetMatcher.C
+++ b/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetMatcher.C
@@ -227,10 +227,10 @@ bool Foam::tetMatcher::isA(const faceList& faces)
     return matchShape
     (
         true,
-        faces,                      // all faces in mesh
-        labelList(faces.size(), 0), // cell 0 is owner of all faces
-        0,                          // cell label
-        identity(faces.size())      // faces of cell 0
+        faces,                          // all faces in mesh
+        labelList(faces.size(), Zero),  // cell 0 is owner of all faces
+        0,                              // cell label
+        identity(faces.size())          // faces of cell 0
     );
 }
 
diff --git a/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetWedgeMatcher.C b/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetWedgeMatcher.C
index fa45433468..3e05c861a6 100644
--- a/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetWedgeMatcher.C
+++ b/src/OpenFOAM/meshes/meshShapes/cellMatcher/tetWedgeMatcher.C
@@ -273,10 +273,10 @@ bool Foam::tetWedgeMatcher::isA(const faceList& faces)
     return matchShape
     (
         true,
-        faces,                      // all faces in mesh
-        labelList(faces.size(), 0), // cell 0 is owner of all faces
-        0,                          // cell label
-        identity(faces.size())      // faces of cell 0
+        faces,                          // all faces in mesh
+        labelList(faces.size(), Zero),  // cell 0 is owner of all faces
+        0,                              // cell label
+        identity(faces.size())          // faces of cell 0
     );
 }
 
diff --git a/src/OpenFOAM/meshes/meshShapes/cellMatcher/wedgeMatcher.C b/src/OpenFOAM/meshes/meshShapes/cellMatcher/wedgeMatcher.C
index b230486a14..0004645aab 100644
--- a/src/OpenFOAM/meshes/meshShapes/cellMatcher/wedgeMatcher.C
+++ b/src/OpenFOAM/meshes/meshShapes/cellMatcher/wedgeMatcher.C
@@ -373,10 +373,10 @@ bool Foam::wedgeMatcher::isA(const faceList& faces)
     return matchShape
     (
         true,
-        faces,                      // all faces in mesh
-        labelList(faces.size(), 0), // cell 0 is owner of all faces
-        0,                          // cell label
-        identity(faces.size())      // faces of cell 0
+        faces,                          // all faces in mesh
+        labelList(faces.size(), Zero),  // cell 0 is owner of all faces
+        0,                              // cell label
+        identity(faces.size())          // faces of cell 0
     );
 }
 
diff --git a/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointMapper.C b/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointMapper.C
index 947a2f5d0f..c8a0d465e9 100644
--- a/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointMapper.C
+++ b/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointMapper.C
@@ -118,7 +118,7 @@ void Foam::pointMapper::calcAddressing() const
             {
                 // Mapped from a single point
                 addr[pointi] = labelList(1, cm[pointi]);
-                w[pointi] = scalarList(1, 1.0);
+                w[pointi] = scalarList(1, scalar(1));
             }
         }
 
@@ -134,8 +134,8 @@ void Foam::pointMapper::calcAddressing() const
             if (addr[pointi].empty())
             {
                 // Mapped from a dummy point. Take point 0 with weight 1.
-                addr[pointi] = labelList(1, label(0));
-                w[pointi] = scalarList(1, 1.0);
+                addr[pointi] = labelList(1, Zero);
+                w[pointi] = scalarList(1, scalar(1));
 
                 insertedPoints[nInsertedPoints] = pointi;
                 nInsertedPoints++;
diff --git a/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointPatchMapper.C b/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointPatchMapper.C
index cd281f6ec0..1cb921069c 100644
--- a/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointPatchMapper.C
+++ b/src/OpenFOAM/meshes/pointMesh/pointMeshMapper/pointPatchMapper.C
@@ -83,14 +83,14 @@ void Foam::pointPatchMapper::calcAddressing() const
             if (ppm[i] >= 0)
             {
                 addr[i] = labelList(1, ppm[i]);
-                w[i] = scalarList(1, 1.0);
+                w[i] = scalarList(1, scalar(1));
             }
             else
             {
                 // Inserted point.
                 ///// Map from point0 (arbitrary choice)
-                //addr[i] = labelList(1, label(0));
-                //w[i] = scalarList(1, 1.0);
+                //addr[i] = labelList(1, Zero);
+                //w[i] = scalarList(1, scalar(1));
                 hasUnmapped_ = true;
             }
         }
diff --git a/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C b/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C
index 9810cb6cfb..f9e966699e 100644
--- a/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C
+++ b/src/OpenFOAM/meshes/polyMesh/globalMeshData/globalMeshData.C
@@ -1234,7 +1234,7 @@ void Foam::globalMeshData::calcPointBoundaryFaces
 
     // 1. Count
 
-    labelList nPointFaces(coupledPatch().nPoints(), 0);
+    labelList nPointFaces(coupledPatch().nPoints(), Zero);
 
     forAll(bMesh, patchi)
     {
diff --git a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/cellMapper/cellMapper.C b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/cellMapper/cellMapper.C
index 6e4045b48e..434fdc974e 100644
--- a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/cellMapper/cellMapper.C
+++ b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/cellMapper/cellMapper.C
@@ -262,8 +262,8 @@ void Foam::cellMapper::calcAddressing() const
             if (addr[celli].empty())
             {
                 // Mapped from a dummy cell
-                addr[celli] = labelList(1, label(0));
-                w[celli] = scalarList(1, 1.0);
+                addr[celli] = labelList(1, Zero);
+                w[celli] = scalarList(1, scalar(1));
 
                 insertedCells[nInsertedCells] = celli;
                 nInsertedCells++;
diff --git a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/faceMapper/faceMapper.C b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/faceMapper/faceMapper.C
index b81b4d23f9..601b32b16a 100644
--- a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/faceMapper/faceMapper.C
+++ b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/faceMapper/faceMapper.C
@@ -177,8 +177,8 @@ void Foam::faceMapper::calcAddressing() const
             if (addr[facei].empty())
             {
                 // Mapped from a dummy face
-                addr[facei] = labelList(1, label(0));
-                w[facei] = scalarList(1, 1.0);
+                addr[facei] = labelList(1, Zero);
+                w[facei] = scalarList(1, scalar(1));
 
                 insertedFaces[nInsertedFaces] = facei;
                 nInsertedFaces++;
diff --git a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistribute.C b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistribute.C
index f5789cb4b2..167d8b1ede 100644
--- a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistribute.C
+++ b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistribute.C
@@ -311,7 +311,7 @@ Foam::mapDistribute::mapDistribute
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     // Count per transformIndex
     label nTrafo = globalTransforms.transformPermutations().size();
-    labelList nPerTransform(nTrafo, 0);
+    labelList nPerTransform(nTrafo, Zero);
     forAll(transformedElements, i)
     {
         labelPair elem = transformedElements[i];
@@ -420,7 +420,7 @@ Foam::mapDistribute::mapDistribute
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     // Count per transformIndex
     label nTrafo = globalTransforms.transformPermutations().size();
-    labelList nPerTransform(nTrafo, 0);
+    labelList nPerTransform(nTrafo, Zero);
     forAll(transformedElements, celli)
     {
         const labelPairList& elems = transformedElements[celli];
diff --git a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistributeBase.C b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistributeBase.C
index 3c3ee41a71..ca20487371 100644
--- a/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistributeBase.C
+++ b/src/OpenFOAM/meshes/polyMesh/mapPolyMesh/mapDistribute/mapDistributeBase.C
@@ -289,7 +289,7 @@ void Foam::mapDistributeBase::calcCompactAddressing
     compactMap.setSize(Pstream::nProcs());
 
     // Count all (non-local) elements needed. Just for presizing map.
-    labelList nNonLocal(Pstream::nProcs(), 0);
+    labelList nNonLocal(Pstream::nProcs(), Zero);
 
     forAll(elements, i)
     {
@@ -338,7 +338,7 @@ void Foam::mapDistributeBase::calcCompactAddressing
     compactMap.setSize(Pstream::nProcs());
 
     // Count all (non-local) elements needed. Just for presizing map.
-    labelList nNonLocal(Pstream::nProcs(), 0);
+    labelList nNonLocal(Pstream::nProcs(), Zero);
 
     forAll(cellCells, cellI)
     {
@@ -616,8 +616,8 @@ Foam::mapDistributeBase::mapDistributeBase
     }
 
     // Per processor the number of samples we have to send/receive.
-    labelList nSend(Pstream::nProcs(), 0);
-    labelList nRecv(Pstream::nProcs(), 0);
+    labelList nSend(Pstream::nProcs(), Zero);
+    labelList nRecv(Pstream::nProcs(), Zero);
 
     forAll(sendProcs, sampleI)
     {
diff --git a/src/OpenFOAM/meshes/polyMesh/polyMeshTetDecomposition/polyMeshTetDecomposition.C b/src/OpenFOAM/meshes/polyMesh/polyMeshTetDecomposition/polyMeshTetDecomposition.C
index a84f56d5d7..14a870a22e 100644
--- a/src/OpenFOAM/meshes/polyMesh/polyMeshTetDecomposition/polyMeshTetDecomposition.C
+++ b/src/OpenFOAM/meshes/polyMesh/polyMeshTetDecomposition/polyMeshTetDecomposition.C
@@ -55,7 +55,7 @@ Foam::label Foam::polyMeshTetDecomposition::findSharedBasePoint
 
     const point& oCc = pC[oCI];
 
-    List<scalar> tetQualities(2, 0.0);
+    List<scalar> tetQualities(2, Zero);
 
     forAll(f, faceBasePtI)
     {
diff --git a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCells.C b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCells.C
index 7203f63805..537dd3997b 100644
--- a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCells.C
+++ b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCells.C
@@ -58,7 +58,7 @@ void Foam::primitiveMesh::calcCellCells() const
     {
         // 1. Count number of internal faces per cell
 
-        labelList ncc(nCells(), 0);
+        labelList ncc(nCells(), Zero);
 
         const labelList& own = faceOwner();
         const labelList& nei = faceNeighbour();
diff --git a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCentresAndVols.C b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCentresAndVols.C
index fec99b0e52..53d53c1189 100644
--- a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCentresAndVols.C
+++ b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCellCentresAndVols.C
@@ -88,18 +88,18 @@ void Foam::primitiveMesh::makeCellCentresAndVols
     // face centres
 
     vectorField cEst(nCells(), Zero);
-    labelField nCellFaces(nCells(), 0);
+    labelField nCellFaces(nCells(), Zero);
 
     forAll(own, facei)
     {
         cEst[own[facei]] += fCtrs[facei];
-        nCellFaces[own[facei]] += 1;
+        ++nCellFaces[own[facei]];
     }
 
     forAll(nei, facei)
     {
         cEst[nei[facei]] += fCtrs[facei];
-        nCellFaces[nei[facei]] += 1;
+        ++nCellFaces[nei[facei]];
     }
 
     forAll(cEst, celli)
diff --git a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCells.C b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCells.C
index feb44e13da..9a29dc4e39 100644
--- a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCells.C
+++ b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCells.C
@@ -50,7 +50,7 @@ void Foam::primitiveMesh::calcCells
 
     // 1. Count number of faces per cell
 
-    labelList ncf(nCells, 0);
+    labelList ncf(nCells, Zero);
 
     forAll(own, facei)
     {
diff --git a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCheck/primitiveMeshCheck.C b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCheck/primitiveMeshCheck.C
index 830914c56a..4f60a40a5c 100644
--- a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCheck/primitiveMeshCheck.C
+++ b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshCheck/primitiveMeshCheck.C
@@ -1147,7 +1147,7 @@ bool Foam::primitiveMesh::checkCellsZipUp
 
         const edgeList cellEdges = c[celli].edges(f);
 
-        labelList edgeUsage(cellEdges.size(), 0);
+        labelList edgeUsage(cellEdges.size(), Zero);
 
         forAll(curFaces, facei)
         {
diff --git a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshPointCells.C b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshPointCells.C
index 79d442522f..5685739058 100644
--- a/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshPointCells.C
+++ b/src/OpenFOAM/meshes/primitiveMesh/primitiveMeshPointCells.C
@@ -61,7 +61,7 @@ void Foam::primitiveMesh::calcPointCells() const
 
         // Count number of cells per point
 
-        labelList npc(nPoints(), 0);
+        labelList npc(nPoints(), Zero);
 
         forAll(cf, celli)
         {
diff --git a/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C b/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C
index cf21e6ecc0..742caa0b00 100644
--- a/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C
+++ b/src/OpenFOAM/primitives/functions/Function1/Table/TableBase.C
@@ -316,7 +316,7 @@ Type Foam::Function1Types::TableBase<Type>::integrate
 template<class Type>
 Foam::tmp<Foam::scalarField> Foam::Function1Types::TableBase<Type>::x() const
 {
-    tmp<scalarField> tfld(new scalarField(table_.size(), 0.0));
+    tmp<scalarField> tfld(new scalarField(table_.size(), Zero));
     scalarField& fld = tfld.ref();
 
     forAll(table_, i)
diff --git a/src/OpenFOAM/primitives/functions/Polynomial/polynomialFunction.C b/src/OpenFOAM/primitives/functions/Polynomial/polynomialFunction.C
index c93c1d1256..071468f8cf 100644
--- a/src/OpenFOAM/primitives/functions/Polynomial/polynomialFunction.C
+++ b/src/OpenFOAM/primitives/functions/Polynomial/polynomialFunction.C
@@ -83,7 +83,7 @@ Foam::polynomialFunction Foam::polynomialFunction::cloneIntegralMinus1
 
 Foam::polynomialFunction::polynomialFunction(const label order)
 :
-    scalarList(order, 0.0),
+    scalarList(order, Zero),
     logActive_(false),
     logCoeff_(0.0)
 {
diff --git a/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransform.C b/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransform.C
index 67a285f3d7..64a82f2638 100644
--- a/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransform.C
+++ b/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransform.C
@@ -306,7 +306,7 @@ void Foam::globalIndexAndTransform::determineTransformPermutations()
 
 
     // Encode index for 0 sign
-    labelList permutationIndices(nIndependentTransforms(), 0);
+    labelList permutationIndices(nIndependentTransforms(), Zero);
     nullTransformIndex_ = encodeTransformIndex(permutationIndices);
 }
 
diff --git a/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransformI.H b/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransformI.H
index f47f7dffdc..338d96c375 100644
--- a/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransformI.H
+++ b/src/OpenFOAM/primitives/globalIndexAndTransform/globalIndexAndTransformI.H
@@ -111,7 +111,7 @@ Foam::labelList Foam::globalIndexAndTransform::decodeTransformIndex
     const label transformIndex
 ) const
 {
-    labelList permutation(transforms_.size(), 0);
+    labelList permutation(transforms_.size(), Zero);
 
     label t = transformIndex;
     forAll(permutation, i)
@@ -415,7 +415,7 @@ Foam::labelList Foam::globalIndexAndTransform::transformIndicesForPatches
     const labelHashSet& patchis
 ) const
 {
-    labelList permutation(transforms_.size(), 0);
+    labelList permutation(transforms_.size(), Zero);
 
     labelList selectedTransformIs(0);
 
diff --git a/src/TurbulenceModels/compressible/ThermalDiffusivity/ThermalDiffusivity.C b/src/TurbulenceModels/compressible/ThermalDiffusivity/ThermalDiffusivity.C
index 28db75565e..e780345461 100644
--- a/src/TurbulenceModels/compressible/ThermalDiffusivity/ThermalDiffusivity.C
+++ b/src/TurbulenceModels/compressible/ThermalDiffusivity/ThermalDiffusivity.C
@@ -143,7 +143,7 @@ Foam::ThermalDiffusivity<BasicTurbulenceModel>::alphat
 {
     return tmp<scalarField>
     (
-        new scalarField(this->mesh_.boundary()[patchi].size(), 0.0)
+        new scalarField(this->mesh_.boundary()[patchi].size(), Zero)
     );
 }
 
diff --git a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C
index cdc526810f..22cb653028 100644
--- a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C
+++ b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/externalWallHeatFluxTemperature/externalWallHeatFluxTemperatureFvPatchScalarField.C
@@ -350,7 +350,7 @@ void Foam::externalWallHeatFluxTemperatureFvPatchScalarField::updateCoeffs()
 
     const scalarField& Tp(*this);
 
-    scalarField qr(Tp.size(), 0);
+    scalarField qr(Tp.size(), Zero);
     if (qrName_ != "none")
     {
         qr =
diff --git a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/fixedIncidentRadiation/fixedIncidentRadiationFvPatchScalarField.C b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/fixedIncidentRadiation/fixedIncidentRadiationFvPatchScalarField.C
index ccd9cc3b5e..bb8427b12e 100644
--- a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/fixedIncidentRadiation/fixedIncidentRadiationFvPatchScalarField.C
+++ b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/fixedIncidentRadiation/fixedIncidentRadiationFvPatchScalarField.C
@@ -45,7 +45,7 @@ fixedIncidentRadiationFvPatchScalarField
 :
     fixedGradientFvPatchScalarField(p, iF),
     temperatureCoupledBase(patch(), "undefined", "undefined", "undefined-K"),
-    qrIncident_(p.size(), 0.0)
+    qrIncident_(p.size(), Zero)
 {}
 
 
diff --git a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/outletMachNumberPressure/outletMachNumberPressureFvPatchScalarField.C b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/outletMachNumberPressure/outletMachNumberPressureFvPatchScalarField.C
index 21cf6dddf6..aa002e7783 100644
--- a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/outletMachNumberPressure/outletMachNumberPressureFvPatchScalarField.C
+++ b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/outletMachNumberPressure/outletMachNumberPressureFvPatchScalarField.C
@@ -62,10 +62,10 @@ outletMachNumberPressureFvPatchScalarField
 )
 :
     fixedValueFvPatchScalarField(p, iF, dict),
-    M_(dict.lookupOrDefault<scalar>("M", 0.0)),
+    M_(dict.lookupOrDefault<scalar>("M", 0)),
     pBack_(dict.get<scalar>("pBack")),
-    c1_(dict.lookupOrDefault<scalar>("c1", 0.0)),
-    A1_(dict.lookupOrDefault<scalar>("A1", 0.0)),
+    c1_(dict.lookupOrDefault<scalar>("c1", 0)),
+    A1_(dict.lookupOrDefault<scalar>("A1", 0)),
     phiName_(dict.lookupOrDefault<word>("phi", "phi")),
     rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
     UName_(dict.lookupOrDefault<word>("U", "U")),
diff --git a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/thermalBaffle1D/thermalBaffle1DFvPatchScalarField.C b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/thermalBaffle1D/thermalBaffle1DFvPatchScalarField.C
index 4040dc4fbe..202de4582c 100644
--- a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/thermalBaffle1D/thermalBaffle1DFvPatchScalarField.C
+++ b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/thermalBaffle1D/thermalBaffle1DFvPatchScalarField.C
@@ -100,7 +100,7 @@ thermalBaffle1DFvPatchScalarField
     qs_(p.size(), 0),
     solidDict_(dict),
     solidPtr_(),
-    qrPrevious_(p.size(), 0.0),
+    qrPrevious_(p.size(), Zero),
     qrRelaxation_
     (
         dict.lookupOrDefaultCompat("qrRelaxation", {{"relaxation", 1712}}, 1)
@@ -365,7 +365,7 @@ void thermalBaffle1DFvPatchScalarField<solidType>::updateCoeffs()
             patch().template lookupPatchField<volScalarField, scalar>(TName_);
 
 
-        scalarField qr(Tp.size(), 0.0);
+        scalarField qr(Tp.size(), Zero);
 
         if (qrName_ != "none")
         {
@@ -386,7 +386,7 @@ void thermalBaffle1DFvPatchScalarField<solidType>::updateCoeffs()
         mapDist.distribute(nbrTp);
 
         // solid properties
-        scalarField kappas(patch().size(), 0.0);
+        scalarField kappas(patch().size(), Zero);
         forAll(kappas, i)
         {
             kappas[i] = solid().kappa(0.0, (Tp[i] + nbrTp[i])/2.0);
diff --git a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureCoupledBaffleMixed/turbulentTemperatureCoupledBaffleMixedFvPatchScalarField.C b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureCoupledBaffleMixed/turbulentTemperatureCoupledBaffleMixedFvPatchScalarField.C
index e48bdf7f42..f0c00d369a 100644
--- a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureCoupledBaffleMixed/turbulentTemperatureCoupledBaffleMixedFvPatchScalarField.C
+++ b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureCoupledBaffleMixed/turbulentTemperatureCoupledBaffleMixedFvPatchScalarField.C
@@ -189,8 +189,8 @@ void turbulentTemperatureCoupledBaffleMixedFvPatchScalarField::updateCoeffs()
     );
 
     // Swap to obtain full local values of neighbour internal field
-    tmp<scalarField> nbrIntFld(new scalarField(nbrField.size(), 0.0));
-    tmp<scalarField> nbrKDelta(new scalarField(nbrField.size(), 0.0));
+    tmp<scalarField> nbrIntFld(new scalarField(nbrField.size(), Zero));
+    tmp<scalarField> nbrKDelta(new scalarField(nbrField.size(), Zero));
 
     if (contactRes_ == 0.0)
     {
diff --git a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
index 2fa1e33b81..114655656c 100644
--- a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
+++ b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
@@ -219,13 +219,13 @@ void turbulentTemperatureRadCoupledMixedFvPatchScalarField::updateCoeffs()
 
     scalarField KDelta(kappa(Tp)*patch().deltaCoeffs());
 
-    scalarField qr(Tp.size(), 0.0);
+    scalarField qr(Tp.size(), Zero);
     if (qrName_ != "none")
     {
         qr = patch().lookupPatchField<volScalarField, scalar>(qrName_);
     }
 
-    scalarField qrNbr(Tp.size(), 0.0);
+    scalarField qrNbr(Tp.size(), Zero);
     if (qrNbrName_ != "none")
     {
         qrNbr = nbrPatch.lookupPatchField<volScalarField, scalar>(qrNbrName_);
@@ -260,7 +260,7 @@ void turbulentTemperatureRadCoupledMixedFvPatchScalarField::updateCoeffs()
             }
             else
             {
-                mCpDtNbr.setSize(Tp.size(), 0.0);
+                mCpDtNbr.setSize(Tp.size(), Zero);
             }
         }
 
@@ -285,7 +285,7 @@ void turbulentTemperatureRadCoupledMixedFvPatchScalarField::updateCoeffs()
             else
             {
                 // Issue warning?
-                mCpDt.setSize(Tp.size(), 0.0);
+                mCpDt.setSize(Tp.size(), Zero);
             }
         }
 
diff --git a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/wallHeatTransfer/wallHeatTransferFvPatchScalarField.C b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/wallHeatTransfer/wallHeatTransferFvPatchScalarField.C
index f8e515e3ad..390fc02c6a 100644
--- a/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/wallHeatTransfer/wallHeatTransferFvPatchScalarField.C
+++ b/src/TurbulenceModels/compressible/turbulentFluidThermoModels/derivedFvPatchFields/wallHeatTransfer/wallHeatTransferFvPatchScalarField.C
@@ -37,8 +37,8 @@ Foam::wallHeatTransferFvPatchScalarField::wallHeatTransferFvPatchScalarField
 )
 :
     mixedFvPatchScalarField(p, iF),
-    Tinf_(p.size(), 0.0),
-    alphaWall_(p.size(), 0.0)
+    Tinf_(p.size(), Zero),
+    alphaWall_(p.size(), Zero)
 {
     refValue() = 0.0;
     refGrad() = 0.0;
diff --git a/src/TurbulenceModels/turbulenceModels/LES/dynamicLagrangian/dynamicLagrangian.C b/src/TurbulenceModels/turbulenceModels/LES/dynamicLagrangian/dynamicLagrangian.C
index e5e6907b01..5d22058356 100644
--- a/src/TurbulenceModels/turbulenceModels/LES/dynamicLagrangian/dynamicLagrangian.C
+++ b/src/TurbulenceModels/turbulenceModels/LES/dynamicLagrangian/dynamicLagrangian.C
@@ -121,7 +121,7 @@ dynamicLagrangian<BasicTurbulenceModel>::dynamicLagrangian
     filterPtr_(LESfilter::New(U.mesh(), this->coeffDict())),
     filter_(filterPtr_()),
 
-    flm0_("flm0", flm_.dimensions(), 0.0),
+    flm0_("flm0", flm_.dimensions(), Zero),
     fmm0_("fmm0", fmm_.dimensions(), VSMALL)
 {
     if (type == typeName)
diff --git a/src/TurbulenceModels/turbulenceModels/RAS/v2f/v2f.C b/src/TurbulenceModels/turbulenceModels/RAS/v2f/v2f.C
index 0c6fe242a3..f67f97af1f 100644
--- a/src/TurbulenceModels/turbulenceModels/RAS/v2f/v2f.C
+++ b/src/TurbulenceModels/turbulenceModels/RAS/v2f/v2f.C
@@ -262,7 +262,7 @@ v2f<BasicTurbulenceModel>::v2f
         this->mesh_
     ),
     v2Min_(dimensionedScalar("v2Min", v2_.dimensions(), SMALL)),
-    fMin_(dimensionedScalar("fMin", f_.dimensions(), 0.0))
+    fMin_(dimensionedScalar("fMin", f_.dimensions(), Zero))
 {
     bound(k_, this->kMin_);
     bound(epsilon_, this->epsilonMin_);
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
index f5ccaf54f0..b33348eba9 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/epsilonWallFunctions/epsilonWallFunction/epsilonWallFunctionFvPatchScalarField.C
@@ -145,8 +145,8 @@ void Foam::epsilonWallFunctionFvPatchScalarField::createAveragingWeights()
         cornerWeights_[patchi] = 1.0/wf.patchInternalField();
     }
 
-    G_.setSize(internalField().size(), 0.0);
-    epsilon_.setSize(internalField().size(), 0.0);
+    G_.setSize(internalField().size(), Zero);
+    epsilon_.setSize(internalField().size(), Zero);
 
     initialised_ = true;
 }
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUBlendedWallFunction/nutUBlendedWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUBlendedWallFunction/nutUBlendedWallFunctionFvPatchScalarField.C
index 47f25c6f0d..9bbb5ae898 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUBlendedWallFunction/nutUBlendedWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUBlendedWallFunction/nutUBlendedWallFunctionFvPatchScalarField.C
@@ -85,7 +85,7 @@ Foam::nutUBlendedWallFunctionFvPatchScalarField::calcUTau
     Up -= n*(n & Up);
     const scalarField magUp(mag(Up));
 
-    tmp<scalarField> tuTaup(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tuTaup(new scalarField(patch().size(), Zero));
     scalarField& uTaup = tuTaup.ref();
 
     const scalarField& nutw = *this;
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutURoughWallFunction/nutURoughWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutURoughWallFunction/nutURoughWallFunctionFvPatchScalarField.C
index 5e256b515b..64f76879fc 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutURoughWallFunction/nutURoughWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutURoughWallFunction/nutURoughWallFunctionFvPatchScalarField.C
@@ -59,7 +59,7 @@ tmp<scalarField> nutURoughWallFunctionFvPatchScalarField::calcNut() const
     tmp<scalarField> tyPlus = calcYPlus(magUp);
     scalarField& yPlus = tyPlus.ref();
 
-    tmp<scalarField> tnutw(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tnutw(new scalarField(patch().size(), Zero));
     scalarField& nutw = tnutw.ref();
 
     forAll(yPlus, facei)
@@ -94,7 +94,7 @@ tmp<scalarField> nutURoughWallFunctionFvPatchScalarField::calcYPlus
     const tmp<scalarField> tnuw = turbModel.nu(patchi);
     const scalarField& nuw = tnuw();
 
-    tmp<scalarField> tyPlus(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tyPlus(new scalarField(patch().size(), Zero));
     scalarField& yPlus = tyPlus.ref();
 
     if (roughnessHeight_ > 0.0)
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUSpaldingWallFunction/nutUSpaldingWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUSpaldingWallFunction/nutUSpaldingWallFunctionFvPatchScalarField.C
index 3b32e3faea..10b46848ff 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUSpaldingWallFunction/nutUSpaldingWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUSpaldingWallFunction/nutUSpaldingWallFunctionFvPatchScalarField.C
@@ -86,7 +86,7 @@ tmp<scalarField> nutUSpaldingWallFunctionFvPatchScalarField::calcUTau
 
     const scalarField& nutw = *this;
 
-    tmp<scalarField> tuTau(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tuTau(new scalarField(patch().size(), Zero));
     scalarField& uTau = tuTau.ref();
 
     forAll(uTau, facei)
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUTabulatedWallFunction/nutUTabulatedWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUTabulatedWallFunction/nutUTabulatedWallFunctionFvPatchScalarField.C
index 72a133198e..513f8fcb2c 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUTabulatedWallFunction/nutUTabulatedWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUTabulatedWallFunction/nutUTabulatedWallFunctionFvPatchScalarField.C
@@ -71,7 +71,7 @@ tmp<scalarField> nutUTabulatedWallFunctionFvPatchScalarField::calcUPlus
     const scalarField& Rey
 ) const
 {
-    tmp<scalarField> tuPlus(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tuPlus(new scalarField(patch().size(), Zero));
     scalarField& uPlus = tuPlus.ref();
 
     forAll(uPlus, facei)
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUWallFunction/nutUWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUWallFunction/nutUWallFunctionFvPatchScalarField.C
index fb67a8560a..7cc7c0f9a4 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUWallFunction/nutUWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutUWallFunction/nutUWallFunctionFvPatchScalarField.C
@@ -56,7 +56,7 @@ tmp<scalarField> nutUWallFunctionFvPatchScalarField::calcNut() const
     tmp<scalarField> tyPlus = calcYPlus(magUp);
     const scalarField& yPlus = tyPlus();
 
-    tmp<scalarField> tnutw(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tnutw(new scalarField(patch().size(), Zero));
     scalarField& nutw = tnutw.ref();
 
     forAll(yPlus, facei)
@@ -91,7 +91,7 @@ tmp<scalarField> nutUWallFunctionFvPatchScalarField::calcYPlus
     const tmp<scalarField> tnuw = turbModel.nu(patchi);
     const scalarField& nuw = tnuw();
 
-    tmp<scalarField> tyPlus(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tyPlus(new scalarField(patch().size(), Zero));
     scalarField& yPlus = tyPlus.ref();
 
     forAll(yPlus, facei)
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkRoughWallFunction/nutkRoughWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkRoughWallFunction/nutkRoughWallFunctionFvPatchScalarField.C
index fba57e6b3c..b160b8ea4f 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkRoughWallFunction/nutkRoughWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkRoughWallFunction/nutkRoughWallFunctionFvPatchScalarField.C
@@ -134,8 +134,8 @@ nutkRoughWallFunctionFvPatchScalarField::nutkRoughWallFunctionFvPatchScalarField
 )
 :
     nutkWallFunctionFvPatchScalarField(p, iF),
-    Ks_(p.size(), 0.0),
-    Cs_(p.size(), 0.0)
+    Ks_(p.size(), Zero),
+    Cs_(p.size(), Zero)
 {}
 
 
diff --git a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkWallFunction/nutkWallFunctionFvPatchScalarField.C b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkWallFunction/nutkWallFunctionFvPatchScalarField.C
index 7716c66908..db2885124d 100644
--- a/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkWallFunction/nutkWallFunctionFvPatchScalarField.C
+++ b/src/TurbulenceModels/turbulenceModels/derivedFvPatchFields/wallFunctions/nutWallFunctions/nutkWallFunction/nutkWallFunctionFvPatchScalarField.C
@@ -58,7 +58,7 @@ tmp<scalarField> nutkWallFunctionFvPatchScalarField::calcNut() const
 
     const scalar Cmu25 = pow025(Cmu_);
 
-    tmp<scalarField> tnutw(new scalarField(patch().size(), 0.0));
+    tmp<scalarField> tnutw(new scalarField(patch().size(), Zero));
     scalarField& nutw = tnutw.ref();
 
     forAll(nutw, facei)
diff --git a/src/TurbulenceModels/turbulenceModels/laminar/Stokes/Stokes.C b/src/TurbulenceModels/turbulenceModels/laminar/Stokes/Stokes.C
index 7da73f5246..5f539fc4d1 100644
--- a/src/TurbulenceModels/turbulenceModels/laminar/Stokes/Stokes.C
+++ b/src/TurbulenceModels/turbulenceModels/laminar/Stokes/Stokes.C
@@ -112,7 +112,7 @@ Stokes<BasicTurbulenceModel>::nut
 {
     return tmp<scalarField>
     (
-        new scalarField(this->mesh_.boundary()[patchi].size(), 0.0)
+        new scalarField(this->mesh_.boundary()[patchi].size(), Zero)
     );
 }
 
diff --git a/src/TurbulenceModels/turbulenceModels/laminar/laminarModel/laminarModel.C b/src/TurbulenceModels/turbulenceModels/laminar/laminarModel/laminarModel.C
index 4900c69021..29e967598b 100644
--- a/src/TurbulenceModels/turbulenceModels/laminar/laminarModel/laminarModel.C
+++ b/src/TurbulenceModels/turbulenceModels/laminar/laminarModel/laminarModel.C
@@ -210,7 +210,7 @@ Foam::laminarModel<BasicTurbulenceModel>::nut
 {
     return tmp<scalarField>
     (
-        new scalarField(this->mesh_.boundary()[patchi].size(), 0.0)
+        new scalarField(this->mesh_.boundary()[patchi].size(), Zero)
     );
 }
 
diff --git a/src/atmosphericModels/derivedFvPatchFields/nutkAtmRoughWallFunction/nutkAtmRoughWallFunctionFvPatchScalarField.C b/src/atmosphericModels/derivedFvPatchFields/nutkAtmRoughWallFunction/nutkAtmRoughWallFunctionFvPatchScalarField.C
index 7bf60ee50d..d8a3dbcf2b 100644
--- a/src/atmosphericModels/derivedFvPatchFields/nutkAtmRoughWallFunction/nutkAtmRoughWallFunctionFvPatchScalarField.C
+++ b/src/atmosphericModels/derivedFvPatchFields/nutkAtmRoughWallFunction/nutkAtmRoughWallFunctionFvPatchScalarField.C
@@ -94,7 +94,7 @@ nutkAtmRoughWallFunctionFvPatchScalarField
 )
 :
     nutkWallFunctionFvPatchScalarField(p, iF),
-    z0_(p.size(), 0.0)
+    z0_(p.size(), Zero)
 {}
 
 
diff --git a/src/atmosphericModels/porosityModels/powerLawLopesdaCosta/powerLawLopesdaCosta.C b/src/atmosphericModels/porosityModels/powerLawLopesdaCosta/powerLawLopesdaCosta.C
index d4867e22d7..a6dee949ab 100644
--- a/src/atmosphericModels/porosityModels/powerLawLopesdaCosta/powerLawLopesdaCosta.C
+++ b/src/atmosphericModels/porosityModels/powerLawLopesdaCosta/powerLawLopesdaCosta.C
@@ -338,7 +338,7 @@ void Foam::porosityModels::powerLawLopesdaCosta::calcForce
     vectorField& force
 ) const
 {
-    scalarField Udiag(U.size(), 0.0);
+    scalarField Udiag(U.size(), Zero);
     const scalarField& V = mesh_.V();
 
     apply(Udiag, V, rho, U);
diff --git a/src/combustionModels/EDC/EDC.C b/src/combustionModels/EDC/EDC.C
index f1b6546ead..419638436d 100644
--- a/src/combustionModels/EDC/EDC.C
+++ b/src/combustionModels/EDC/EDC.C
@@ -94,7 +94,7 @@ void Foam::combustionModels::EDC<ReactionThermo>::correct()
         tmp<volScalarField> trho(this->rho());
         const volScalarField& rho = trho();
 
-        scalarField tauStar(epsilon.size(), 0);
+        scalarField tauStar(epsilon.size(), Zero);
 
         if (version_ == EDCversions::v2016)
         {
diff --git a/src/combustionModels/FSD/reactionRateFlameAreaModels/relaxation/relaxation.C b/src/combustionModels/FSD/reactionRateFlameAreaModels/relaxation/relaxation.C
index f3d23c6a78..f242e6e61f 100644
--- a/src/combustionModels/FSD/reactionRateFlameAreaModels/relaxation/relaxation.C
+++ b/src/combustionModels/FSD/reactionRateFlameAreaModels/relaxation/relaxation.C
@@ -113,7 +113,7 @@ void Foam::reactionRateFlameAreaModels::relaxation::correct
 
     const volScalarField omegaInf(correlation_.omega0Sigma(sigmaTotal));
 
-    dimensionedScalar sigma0("sigma0", sigma.dimensions(), 0.0);
+    dimensionedScalar sigma0("sigma0", sigma.dimensions(), Zero);
 
     const volScalarField tau(C_*mag(sigmaTotal));
 
diff --git a/src/combustionModels/diffusionMulticomponent/diffusionMulticomponent.C b/src/combustionModels/diffusionMulticomponent/diffusionMulticomponent.C
index 5be2f9e7c3..ff873fce5f 100644
--- a/src/combustionModels/diffusionMulticomponent/diffusionMulticomponent.C
+++ b/src/combustionModels/diffusionMulticomponent/diffusionMulticomponent.C
@@ -158,7 +158,7 @@ diffusionMulticomponent
     YfStream_(reactions_.size(), 1.0),
     sigma_(reactions_.size(), 0.02),
     oxidantRes_(this->coeffs().lookup("oxidantRes")),
-    ftCorr_(reactions_.size(), 0.0),
+    ftCorr_(reactions_.size(), Zero),
     alpha_(1),
     laminarIgn_(false)
 {
diff --git a/src/combustionModels/zoneCombustion/zoneCombustion.C b/src/combustionModels/zoneCombustion/zoneCombustion.C
index 262c2589b2..cd4a6dfd99 100644
--- a/src/combustionModels/zoneCombustion/zoneCombustion.C
+++ b/src/combustionModels/zoneCombustion/zoneCombustion.C
@@ -36,7 +36,7 @@ Foam::combustionModels::zoneCombustion<ReactionThermo>::filter
 {
     fvScalarMatrix& R = tR.ref();
     scalarField& Su = R.source();
-    scalarField filteredField(Su.size(), 0);
+    scalarField filteredField(Su.size(), Zero);
 
     forAll(zoneNames_, zonei)
     {
@@ -80,7 +80,7 @@ Foam::combustionModels::zoneCombustion<ReactionThermo>::filter
 ) const
 {
     scalarField& S = tS.ref();
-    scalarField filteredField(S.size(), 0);
+    scalarField filteredField(S.size(), Zero);
 
     forAll(zoneNames_, zonei)
     {
diff --git a/src/conversion/ccm/reader/ccmReaderMesh.C b/src/conversion/ccm/reader/ccmReaderMesh.C
index 41042c612f..cea792027f 100644
--- a/src/conversion/ccm/reader/ccmReaderMesh.C
+++ b/src/conversion/ccm/reader/ccmReaderMesh.C
@@ -1285,7 +1285,7 @@ void Foam::ccm::reader::removeUnwanted()
     // Remove all faces where the owner corresponds to a removed cell
     // Adjust the nInternalFaces and patch sizes accordingly
     label adjustInternal = 0;
-    labelList adjustPatchSize(patchSizes_.size(), 0);
+    labelList adjustPatchSize(patchSizes_.size(), Zero);
 
     label newFaceI = 0;
     label oldFaceI = nFaces_ - 1;
@@ -1515,8 +1515,8 @@ void Foam::ccm::reader::cleanupInterfaces()
 
     // The patch sizes (and the start) will definitely change
     const labelList origPatchStarts(patchStartList(nInternalFaces_));
-    labelList adjustPatchSize(patchSizes_.size(), 0);
-    labelList bafflePatchCount(patchSizes_.size(), 0);
+    labelList adjustPatchSize(patchSizes_.size(), Zero);
+    labelList bafflePatchCount(patchSizes_.size(), Zero);
 
     // The new dimensions after merging the domain interfaces:
     nInternalFaces_ += domInterfaces_.size();
@@ -2018,7 +2018,7 @@ void Foam::ccm::reader::mergeInplaceInterfaces()
     Info<< "interface merge faces:" << endl;
 
     nMergedTotal = 0;
-    labelList adjustPatchSize(patchSizes_.size(), 0);
+    labelList adjustPatchSize(patchSizes_.size(), Zero);
     forAll(interfacesToMerge, mergeI)
     {
         const label patch0 = interfacePatches[interfacesToMerge[mergeI]][0];
diff --git a/src/conversion/common/reader/calcPointCells.C b/src/conversion/common/reader/calcPointCells.C
index 83753bc6f8..1fdc2b75a4 100644
--- a/src/conversion/common/reader/calcPointCells.C
+++ b/src/conversion/common/reader/calcPointCells.C
@@ -54,7 +54,7 @@ void Foam::meshReader::calcPointCells() const
 
     // Initialize the list of labels which will hold the count of the
     // actual number of cells per point during the analysis
-    labelList cellCount(nPoints, 0);
+    labelList cellCount(nPoints, Zero);
 
     // Note. Unlike the standard point-cell algorithm, which asks the cell for
     // the supporting point labels, we need to work based on the cell faces.
diff --git a/src/conversion/common/reader/createPolyBoundary.C b/src/conversion/common/reader/createPolyBoundary.C
index 645c90f6b5..dfa41789a3 100644
--- a/src/conversion/common/reader/createPolyBoundary.C
+++ b/src/conversion/common/reader/createPolyBoundary.C
@@ -320,7 +320,7 @@ void Foam::meshReader::createPolyBoundary()
 
     // check the mesh for face mismatch
     // (faces addressed once or more than twice)
-    labelList markupFaces(meshFaces_.size(), 0);
+    labelList markupFaces(meshFaces_.size(), Zero);
 
     forAll(cellPolys_, celli)
     {
diff --git a/src/conversion/polyDualMesh/polyDualMesh.C b/src/conversion/polyDualMesh/polyDualMesh.C
index 382ae4d445..e22f2e646c 100644
--- a/src/conversion/polyDualMesh/polyDualMesh.C
+++ b/src/conversion/polyDualMesh/polyDualMesh.C
@@ -593,7 +593,7 @@ void Foam::polyDualMesh::dualPatch
     // 1 : done e.start()
     // 2 : done e.end()
     // 3 : done both
-    labelList doneEdgeSide(meshEdges.size(), 0);
+    labelList doneEdgeSide(meshEdges.size(), Zero);
 
     bitSet donePoint(patch.nPoints(), false);
 
@@ -1283,7 +1283,7 @@ void Foam::polyDualMesh::calcDual
 
 
     // Create patches
-    labelList patchSizes(patches.size(), 0);
+    labelList patchSizes(patches.size(), Zero);
 
     forAll(dualRegion, facei)
     {
@@ -1293,7 +1293,7 @@ void Foam::polyDualMesh::calcDual
         }
     }
 
-    labelList patchStarts(patches.size(), 0);
+    labelList patchStarts(patches.size(), Zero);
 
     label facei = nInternalFaces;
 
diff --git a/src/conversion/starcd/STARCDMeshReader.C b/src/conversion/starcd/STARCDMeshReader.C
index 68b3b22b3c..f43e46418e 100644
--- a/src/conversion/starcd/STARCDMeshReader.C
+++ b/src/conversion/starcd/STARCDMeshReader.C
@@ -621,8 +621,8 @@ void Foam::fileFormats::STARCDMeshReader::readBoundary
     word patchType;
 
     labelList mapToFoamPatchId(1000, label(-1));
-    labelList nPatchFaces(1000, label(0));
-    labelList origRegion(1000, label(0));
+    labelList nPatchFaces(1000, Zero);
+    labelList origRegion(1000, Zero);
     patchTypes_.setSize(1000);
 
     //
diff --git a/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMeshTemplates.C b/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMeshTemplates.C
index 6bf655a7ec..b0058bdd37 100644
--- a/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMeshTemplates.C
+++ b/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMeshTemplates.C
@@ -37,7 +37,7 @@ void Foam::dynamicRefineFvMesh::mapNewInternalFaces
     typedef GeometricField<T, fvsPatchField, surfaceMesh> GeoField;
 
     //- Make flat field for ease of looping
-    Field<T> tsFld(this->nFaces(), pTraits<T>::zero);
+    Field<T> tsFld(this->nFaces(), Zero);
     SubField<T>(tsFld, this->nInternalFaces()) = sFld.internalField();
 
     const typename GeoField::Boundary& bFld = sFld.boundaryField();
@@ -64,7 +64,7 @@ void Foam::dynamicRefineFvMesh::mapNewInternalFaces
         {
             // Loop over all owner/neighbour cell faces
             // and find already mapped ones (master-faces):
-            T tmpValue = pTraits<T>::zero;
+            T tmpValue(pTraits<T>::zero);
             label counter = 0;
 
             const cell& ownFaces = cells[owner[facei]];
diff --git a/src/dynamicMesh/boundaryMesh/boundaryMesh.C b/src/dynamicMesh/boundaryMesh/boundaryMesh.C
index 1d3a1ec380..9bc37e6b73 100644
--- a/src/dynamicMesh/boundaryMesh/boundaryMesh.C
+++ b/src/dynamicMesh/boundaryMesh/boundaryMesh.C
@@ -1725,7 +1725,7 @@ void Foam::boundaryMesh::changeFaces
 
     // Count number of faces for each patch
 
-    labelList nFaces(patches_.size(), 0);
+    labelList nFaces(patches_.size(), Zero);
 
     forAll(patchIDs, facei)
     {
diff --git a/src/dynamicMesh/fvMeshDistribute/fvMeshDistribute.C b/src/dynamicMesh/fvMeshDistribute/fvMeshDistribute.C
index b7180c770d..db863f3b4c 100644
--- a/src/dynamicMesh/fvMeshDistribute/fvMeshDistribute.C
+++ b/src/dynamicMesh/fvMeshDistribute/fvMeshDistribute.C
@@ -1437,7 +1437,7 @@ void Foam::fvMeshDistribute::sendMesh
     {
         const pointZoneMesh& pointZones = mesh.pointZones();
 
-        labelList rowSizes(pointZoneNames.size(), 0);
+        labelList rowSizes(pointZoneNames.size(), Zero);
 
         forAll(pointZoneNames, nameI)
         {
@@ -1467,7 +1467,7 @@ void Foam::fvMeshDistribute::sendMesh
     {
         const faceZoneMesh& faceZones = mesh.faceZones();
 
-        labelList rowSizes(faceZoneNames.size(), 0);
+        labelList rowSizes(faceZoneNames.size(), Zero);
 
         forAll(faceZoneNames, nameI)
         {
@@ -1499,7 +1499,7 @@ void Foam::fvMeshDistribute::sendMesh
     {
         const cellZoneMesh& cellZones = mesh.cellZones();
 
-        labelList rowSizes(cellZoneNames.size(), 0);
+        labelList rowSizes(cellZoneNames.size(), Zero);
 
         forAll(cellZoneNames, nameI)
         {
@@ -1693,7 +1693,7 @@ Foam::labelList Foam::fvMeshDistribute::countCells
     const labelList& distribution
 )
 {
-    labelList nCells(Pstream::nProcs(), 0);
+    labelList nCells(Pstream::nProcs(), Zero);
     forAll(distribution, celli)
     {
         label newProc = distribution[celli];
diff --git a/src/dynamicMesh/fvMeshSubset/fvMeshSubset.C b/src/dynamicMesh/fvMeshSubset/fvMeshSubset.C
index dbadbabc21..7059229ad5 100644
--- a/src/dynamicMesh/fvMeshSubset/fvMeshSubset.C
+++ b/src/dynamicMesh/fvMeshSubset/fvMeshSubset.C
@@ -357,7 +357,7 @@ void Foam::fvMeshSubset::subsetZones()
         // +1 : part of faceZone, flipped
         // -1 :    ,,           , unflipped
         //  0 : not part of faceZone
-        labelList zone(baseMesh().nFaces(), 0);
+        labelList zone(baseMesh().nFaces(), Zero);
         forAll(fz, j)
         {
             if (fz.flipMap()[j])
@@ -619,7 +619,7 @@ void Foam::fvMeshSubset::setCellSubset
     // Note that this is not really necessary - but means we can size things
     // correctly. Also makes handling coupled faces much easier.
 
-    labelList nCellsUsingFace(oldFaces.size(), 0);
+    labelList nCellsUsingFace(oldFaces.size(), Zero);
 
     label nFacesInSet = 0;
     forAll(oldFaces, oldFacei)
@@ -707,7 +707,7 @@ void Foam::fvMeshSubset::setCellSubset
         globalPatchMap = identity(oldPatches.size());
     }
 
-    labelList boundaryPatchSizes(nbSize, 0);
+    labelList boundaryPatchSizes(nbSize, Zero);
 
 
     // Make a global-to-local point map
diff --git a/src/dynamicMesh/meshCut/cellCuts/cellCuts.C b/src/dynamicMesh/meshCut/cellCuts/cellCuts.C
index 97b23b8bf7..52679ee06c 100644
--- a/src/dynamicMesh/meshCut/cellCuts/cellCuts.C
+++ b/src/dynamicMesh/meshCut/cellCuts/cellCuts.C
@@ -1138,7 +1138,7 @@ void Foam::cellCuts::calcCellLoops(const labelList& cutCells)
 
     // Per cell the number of faces with valid cuts. Is used as quick
     // rejection to see if cell can be cut.
-    labelList nCutFaces(mesh().nCells(), 0);
+    labelList nCutFaces(mesh().nCells(), Zero);
 
     forAll(allFaceCuts, facei)
     {
diff --git a/src/dynamicMesh/meshCut/meshModifiers/multiDirRefinement/multiDirRefinement.C b/src/dynamicMesh/meshCut/meshModifiers/multiDirRefinement/multiDirRefinement.C
index 814cdeffc6..33d50bcdec 100644
--- a/src/dynamicMesh/meshCut/meshModifiers/multiDirRefinement/multiDirRefinement.C
+++ b/src/dynamicMesh/meshCut/meshModifiers/multiDirRefinement/multiDirRefinement.C
@@ -238,8 +238,8 @@ void Foam::multiDirRefinement::refineHex8
     hexRef8 hexRefiner
     (
         mesh,
-        labelList(mesh.nCells(), 0),    // cellLevel
-        labelList(mesh.nPoints(), 0),   // pointLevel
+        labelList(mesh.nCells(), Zero),    // cellLevel
+        labelList(mesh.nPoints(), Zero),   // pointLevel
         refinementHistory
         (
             IOobject
@@ -342,7 +342,7 @@ void Foam::multiDirRefinement::refineHex8
     {
         addedCells_[consistentCells[i]].setSize(8);
     }
-    labelList nAddedCells(addedCells_.size(), 0);
+    labelList nAddedCells(addedCells_.size(), Zero);
 
     const labelList& cellMap = morphMap.cellMap();
 
diff --git a/src/dynamicMesh/meshCut/wallLayerCells/wallLayerCells.C b/src/dynamicMesh/meshCut/wallLayerCells/wallLayerCells.C
index a4ad646e2a..cdef0009da 100644
--- a/src/dynamicMesh/meshCut/wallLayerCells/wallLayerCells.C
+++ b/src/dynamicMesh/meshCut/wallLayerCells/wallLayerCells.C
@@ -170,7 +170,7 @@ Foam::wallLayerCells::wallLayerCells
             {
                 const face& f = mesh.faces()[facei];
 
-                point mid(0.0, 0.0, 0.0);
+                point mid(Zero);
 
                 forAll(f, fp)
                 {
diff --git a/src/dynamicMesh/motionSolvers/displacement/interpolation/displacementInterpolationMotionSolver.C b/src/dynamicMesh/motionSolvers/displacement/interpolation/displacementInterpolationMotionSolver.C
index 43703684f7..5853f6e951 100644
--- a/src/dynamicMesh/motionSolvers/displacement/interpolation/displacementInterpolationMotionSolver.C
+++ b/src/dynamicMesh/motionSolvers/displacement/interpolation/displacementInterpolationMotionSolver.C
@@ -239,7 +239,7 @@ void Foam::displacementInterpolationMotionSolver::calcInterpolation()
         // ~~~~~~~~~~~~~~~
 
         // Count all the points inbetween rangeI and rangeI+1
-        labelList nRangePoints(rangeToCoord.size(), 0);
+        labelList nRangePoints(rangeToCoord.size(), Zero);
 
         forAll(meshCoords, pointi)
         {
diff --git a/src/dynamicMesh/polyMeshAdder/polyMeshAdder.C b/src/dynamicMesh/polyMeshAdder/polyMeshAdder.C
index 0540f5ee8d..96675a1012 100644
--- a/src/dynamicMesh/polyMeshAdder/polyMeshAdder.C
+++ b/src/dynamicMesh/polyMeshAdder/polyMeshAdder.C
@@ -949,7 +949,7 @@ void Foam::polyMeshAdder::mergePointZones
     // Extract back into zones
 
     // 1. Count
-    labelList nPoints(zoneNames.size(), 0);
+    labelList nPoints(zoneNames.size(), Zero);
     forAll(pointToZone, allPointi)
     {
         label zoneI = pointToZone[allPointi];
@@ -1127,7 +1127,7 @@ void Foam::polyMeshAdder::mergeFaceZones
     // Extract back into zones
 
     // 1. Count
-    labelList nFaces(zoneNames.size(), 0);
+    labelList nFaces(zoneNames.size(), Zero);
     forAll(faceToZone, allFacei)
     {
         label zoneI = faceToZone[allFacei];
@@ -1271,7 +1271,7 @@ void Foam::polyMeshAdder::mergeCellZones
     // Extract back into zones
 
     // 1. Count
-    labelList nCells(zoneNames.size(), 0);
+    labelList nCells(zoneNames.size(), Zero);
     forAll(cellToZone, allCelli)
     {
         label zoneI = cellToZone[allCelli];
@@ -1506,7 +1506,7 @@ Foam::autoPtr<Foam::polyMesh> Foam::polyMeshAdder::add
     label nCells;
 
     // Sizes per patch
-    labelList nFaces(allPatchNames.size(), 0);
+    labelList nFaces(allPatchNames.size(), Zero);
 
     // Maps
     labelList from0ToAllFaces(mesh0.nFaces(), -1);
@@ -1720,7 +1720,7 @@ Foam::autoPtr<Foam::mapAddedPolyMesh> Foam::polyMeshAdder::add
     labelList allNeighbour;
     label nInternalFaces;
     // Sizes per patch
-    labelList nFaces(allPatchNames.size(), 0);
+    labelList nFaces(allPatchNames.size(), Zero);
     label nCells;
 
     // Maps
diff --git a/src/dynamicMesh/polyMeshFilter/polyMeshFilter.C b/src/dynamicMesh/polyMeshFilter/polyMeshFilter.C
index 519d11c34c..0c336d4d70 100644
--- a/src/dynamicMesh/polyMeshFilter/polyMeshFilter.C
+++ b/src/dynamicMesh/polyMeshFilter/polyMeshFilter.C
@@ -108,7 +108,7 @@ Foam::label Foam::polyMeshFilter::filterFacesLoop(const label nOriginalBadFaces)
     label nOuterIterations = 0;
 
     // Maintain the number of times a point has been part of a bad face
-    labelList pointErrorCount(mesh_.nPoints(), 0);
+    labelList pointErrorCount(mesh_.nPoints(), Zero);
 
     bitSet newErrorPoint(mesh_.nPoints());
     edgeCollapser::checkMeshQuality
@@ -1011,7 +1011,7 @@ Foam::label Foam::polyMeshFilter::filterEdges
     minEdgeLen_.resize(mesh_.nEdges(), minLen());
     faceFilterFactor_.resize(0);
 
-    labelList pointErrorCount(mesh_.nPoints(), 0);
+    labelList pointErrorCount(mesh_.nPoints(), Zero);
 
     // Main loop
     // ~~~~~~~~~
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/addPatchCellLayer.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/addPatchCellLayer.C
index 50e10cf999..f266119188 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/addPatchCellLayer.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/addPatchCellLayer.C
@@ -1112,7 +1112,7 @@ void Foam::addPatchCellLayer::setRefinement
         // ~~~~~~~~~~~~~~~~~~~~~
 
         {
-            labelList n(mesh_.nPoints(), 0);
+            labelList n(mesh_.nPoints(), Zero);
             labelUIndList(n, meshPoints) = nPointLayers;
             syncTools::syncPointList(mesh_, n, maxEqOp<label>(), label(0));
 
@@ -1136,7 +1136,7 @@ void Foam::addPatchCellLayer::setRefinement
 
             // Check that nPointLayers equals the max layers of connected faces
             // (or 0). Anything else makes no sense.
-            labelList nFromFace(mesh_.nPoints(), 0);
+            labelList nFromFace(mesh_.nPoints(), Zero);
             forAll(nFaceLayers, i)
             {
                 const face& f = pp[i];
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/combineFaces.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/combineFaces.C
index 34ad10fde8..5532092b70 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/combineFaces.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/combineFaces.C
@@ -558,7 +558,7 @@ void Foam::combineFaces::setRefinement
     }
 
     // Running count of number of faces using a point
-    labelList nPointFaces(mesh_.nPoints(), 0);
+    labelList nPointFaces(mesh_.nPoints(), Zero);
 
     const labelListList& pointFaces = mesh_.pointFaces();
 
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8.C
index f535a71cd4..b536f41de0 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8.C
@@ -1939,7 +1939,7 @@ Foam::hexRef8::hexRef8(const polyMesh& mesh, const bool readHistory)
             IOobject::READ_IF_PRESENT,
             IOobject::NO_WRITE
         ),
-        labelList(mesh_.nCells(), 0)
+        labelList(mesh_.nCells(), Zero)
     ),
     pointLevel_
     (
@@ -1952,7 +1952,7 @@ Foam::hexRef8::hexRef8(const polyMesh& mesh, const bool readHistory)
             IOobject::READ_IF_PRESENT,
             IOobject::NO_WRITE
         ),
-        labelList(mesh_.nPoints(), 0)
+        labelList(mesh_.nPoints(), Zero)
     ),
     level0Edge_
     (
@@ -2553,7 +2553,7 @@ Foam::labelList Foam::hexRef8::consistentSlowRefinement
 
         // Determine per point the max cell level. (done as count, not
         // as cell level purely for ease)
-        labelList maxPointCount(mesh_.nPoints(), 0);
+        labelList maxPointCount(mesh_.nPoints(), Zero);
 
         forAll(maxPointCount, pointi)
         {
@@ -3624,7 +3624,7 @@ Foam::labelListList Foam::hexRef8::setRefinement
     labelListList cellAnchorPoints(mesh_.nCells());
 
     {
-        labelList nAnchorPoints(mesh_.nCells(), 0);
+        labelList nAnchorPoints(mesh_.nCells(), Zero);
 
         forAll(cellMidPoint, celli)
         {
@@ -4882,7 +4882,7 @@ void Foam::hexRef8::checkRefinementLevels
     if (maxPointDiff != -1)
     {
         // Determine per point the max cell level.
-        labelList maxPointLevel(mesh_.nPoints(), 0);
+        labelList maxPointLevel(mesh_.nPoints(), Zero);
 
         forAll(maxPointLevel, pointi)
         {
@@ -5091,7 +5091,7 @@ Foam::labelList Foam::hexRef8::getSplitPoints() const
     // -2 certainly not split point
     // >= label of master cell
     labelList splitMaster(mesh_.nPoints(), -1);
-    labelList splitMasterLevel(mesh_.nPoints(), 0);
+    labelList splitMasterLevel(mesh_.nPoints(), Zero);
 
     // Unmark all with not 8 cells
     //const labelListList& pointCells = mesh_.pointCells();
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8Data.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8Data.C
index b05d58a6c7..9c1d1cfd01 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8Data.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/hexRef8Data.C
@@ -261,7 +261,10 @@ void Foam::hexRef8Data::sync(const IOobject& io)
         IOobject rio(io);
         rio.rename("cellLevel");
         rio.readOpt() = IOobject::NO_READ;
-        cellLevelPtr_.reset(new labelIOList(rio, labelList(mesh.nCells(), 0)));
+        cellLevelPtr_.reset
+        (
+            new labelIOList(rio, labelList(mesh.nCells(), Zero))
+        );
     }
 
     bool hasPointLevel = returnReduce(pointLevelPtr_.valid(), orOp<bool>());
@@ -272,7 +275,7 @@ void Foam::hexRef8Data::sync(const IOobject& io)
         rio.readOpt() = IOobject::NO_READ;
         pointLevelPtr_.reset
         (
-            new labelIOList(rio, labelList(mesh.nPoints(), 0))
+            new labelIOList(rio, labelList(mesh.nPoints(), Zero))
         );
     }
 
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/refinementHistory.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/refinementHistory.C
index 7cd1614e68..9e1d3d55d7 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/refinementHistory.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/hexRef8/refinementHistory.C
@@ -1028,7 +1028,7 @@ Foam::autoPtr<Foam::refinementHistory> Foam::refinementHistory::clone
     if (active_)
     {
         // Mark selected cells with '1'
-        labelList decomposition(visibleCells_.size(), 0);
+        labelList decomposition(visibleCells_.size(), Zero);
         forAll(cellMap, i)
         {
             decomposition[cellMap[i]] = 1;
@@ -1039,7 +1039,7 @@ Foam::autoPtr<Foam::refinementHistory> Foam::refinementHistory::clone
         labelList splitCellProc(splitCells_.size(), -1);
         // Per splitCell entry the number of live cells that move to that
         // processor
-        labelList splitCellNum(splitCells_.size(), 0);
+        labelList splitCellNum(splitCells_.size(), Zero);
 
         forAll(visibleCells_, cellI)
         {
@@ -1283,7 +1283,7 @@ void Foam::refinementHistory::distribute(const mapDistributePolyMesh& map)
     // Per splitCell entry the processor it moves to
     labelList splitCellProc(splitCells_.size(), -1);
     // Per splitCell entry the number of live cells that move to that processor
-    labelList splitCellNum(splitCells_.size(), 0);
+    labelList splitCellNum(splitCells_.size(), Zero);
 
     forAll(visibleCells_, celli)
     {
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/polyTopoChange.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/polyTopoChange.C
index 3a3942120f..c689ba3d25 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/polyTopoChange.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/polyTopoChange.C
@@ -456,7 +456,7 @@ void Foam::polyTopoChange::makeCells
     cellFaceOffsets.setSize(cellMap_.size() + 1);
 
     // Faces per cell
-    labelList nNbrs(cellMap_.size(), 0);
+    labelList nNbrs(cellMap_.size(), Zero);
 
     // 1. Count faces per cell
 
@@ -539,7 +539,7 @@ void Foam::polyTopoChange::makeCellCells
 ) const
 {
     // Neighbours per cell
-    labelList nNbrs(cellMap_.size(), 0);
+    labelList nNbrs(cellMap_.size(), Zero);
 
     // 1. Count neighbours (through internal faces) per cell
 
@@ -1543,7 +1543,7 @@ void Foam::polyTopoChange::resetZones
 
         // Count points per zone
 
-        labelList nPoints(pointZones.size(), 0);
+        labelList nPoints(pointZones.size(), Zero);
 
         forAllConstIters(pointZone_, iter)
         {
@@ -1629,7 +1629,7 @@ void Foam::polyTopoChange::resetZones
     {
         const faceZoneMesh& faceZones = mesh.faceZones();
 
-        labelList nFaces(faceZones.size(), 0);
+        labelList nFaces(faceZones.size(), Zero);
 
         forAllConstIters(faceZone_, iter)
         {
@@ -1744,7 +1744,7 @@ void Foam::polyTopoChange::resetZones
     {
         const cellZoneMesh& cellZones = mesh.cellZones();
 
-        labelList nCells(cellZones.size(), 0);
+        labelList nCells(cellZones.size(), Zero);
 
         forAll(cellZone_, celli)
         {
@@ -1885,7 +1885,7 @@ void Foam::polyTopoChange::reorderCoupledFaces
     labelList oldToNew(identity(faces_.size()));
 
     // Rotation on new faces.
-    labelList rotation(faces_.size(), 0);
+    labelList rotation(faces_.size(), Zero);
 
     PstreamBuffers pBufs(Pstream::commsTypes::nonBlocking);
 
@@ -1925,7 +1925,7 @@ void Foam::polyTopoChange::reorderCoupledFaces
         if (syncParallel || !isA<processorPolyPatch>(boundary[patchi]))
         {
             labelList patchFaceMap(patchSizes[patchi], -1);
-            labelList patchFaceRotation(patchSizes[patchi], 0);
+            labelList patchFaceRotation(patchSizes[patchi], Zero);
 
             const bool changed = boundary[patchi].order
             (
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/removeCells.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/removeCells.C
index 2e6244fe37..7fee1204f4 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/removeCells.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/removeCells.C
@@ -99,7 +99,7 @@ Foam::labelList Foam::removeCells::getExposedFaces
     const labelList& faceNeighbour = mesh_.faceNeighbour();
 
     // Count cells using face.
-    labelList nCellsUsingFace(mesh_.nFaces(), 0);
+    labelList nCellsUsingFace(mesh_.nFaces(), Zero);
 
     for (label facei = 0; facei < mesh_.nInternalFaces(); ++facei)
     {
@@ -264,7 +264,7 @@ void Foam::removeCells::setRefinement
 
     // Count starting number of faces using each point.
     // Update whenever removing a face.
-    labelList nFacesUsingPoint(mesh_.nPoints(), 0);
+    labelList nFacesUsingPoint(mesh_.nPoints(), Zero);
 
     for (const face& f : faces)
     {
diff --git a/src/dynamicMesh/polyTopoChange/polyTopoChange/removeFaces.C b/src/dynamicMesh/polyTopoChange/polyTopoChange/removeFaces.C
index 496188b2ad..9131c6234c 100644
--- a/src/dynamicMesh/polyTopoChange/polyTopoChange/removeFaces.C
+++ b/src/dynamicMesh/polyTopoChange/polyTopoChange/removeFaces.C
@@ -689,7 +689,7 @@ Foam::label Foam::removeFaces::compatibleRemoves
     // - master is lowest numbered in any region
     // - regions have more than 1 cell
     {
-        labelList nCells(regionMaster.size(), 0);
+        labelList nCells(regionMaster.size(), Zero);
 
         forAll(cellRegion, celli)
         {
diff --git a/src/engine/engineMesh/fvMotionSolverEngineMesh/fvMotionSolverEngineMesh.C b/src/engine/engineMesh/fvMotionSolverEngineMesh/fvMotionSolverEngineMesh.C
index 7a9100e3cc..60de98d0e2 100644
--- a/src/engine/engineMesh/fvMotionSolverEngineMesh/fvMotionSolverEngineMesh.C
+++ b/src/engine/engineMesh/fvMotionSolverEngineMesh/fvMotionSolverEngineMesh.C
@@ -42,7 +42,7 @@ namespace Foam
 Foam::fvMotionSolverEngineMesh::fvMotionSolverEngineMesh(const IOobject& io)
 :
     engineMesh(io),
-    pistonLayers_("pistonLayers", dimLength, 0.0),
+    pistonLayers_("pistonLayers", dimLength, Zero),
     motionSolver_
     (
         *this,
diff --git a/src/engine/engineMesh/layeredEngineMesh/layeredEngineMesh.C b/src/engine/engineMesh/layeredEngineMesh/layeredEngineMesh.C
index cd09b47d42..2824b1339c 100644
--- a/src/engine/engineMesh/layeredEngineMesh/layeredEngineMesh.C
+++ b/src/engine/engineMesh/layeredEngineMesh/layeredEngineMesh.C
@@ -42,7 +42,7 @@ namespace Foam
 Foam::layeredEngineMesh::layeredEngineMesh(const IOobject& io)
 :
     engineMesh(io),
-    pistonLayers_("pistonLayers", dimLength, 0.0)
+    pistonLayers_("pistonLayers", dimLength, Zero)
 {
     engineDB_.engineDict().readIfPresent("pistonLayers", pistonLayers_);
 }
diff --git a/src/finiteArea/faMatrices/faMatrix/faMatrix.C b/src/finiteArea/faMatrices/faMatrix/faMatrix.C
index af6493cce3..3e6b77dc2a 100644
--- a/src/finiteArea/faMatrices/faMatrix/faMatrix.C
+++ b/src/finiteArea/faMatrices/faMatrix/faMatrix.C
@@ -185,7 +185,7 @@ Foam::faMatrix<Type>::faMatrix
     lduMatrix(psi.mesh()),
     psi_(psi),
     dimensions_(ds),
-    source_(psi.size(), pTraits<Type>::zero),
+    source_(psi.size(), Zero),
     internalCoeffs_(psi.mesh().boundary().size()),
     boundaryCoeffs_(psi.mesh().boundary().size()),
     faceFluxCorrectionPtr_(nullptr)
@@ -203,7 +203,7 @@ Foam::faMatrix<Type>::faMatrix
             new Field<Type>
             (
                 psi.mesh().boundary()[patchI].size(),
-                pTraits<Type>::zero
+                Zero
             )
         );
 
@@ -213,7 +213,7 @@ Foam::faMatrix<Type>::faMatrix
             new Field<Type>
             (
                 psi.mesh().boundary()[patchI].size(),
-                pTraits<Type>::zero
+                Zero
             )
         );
     }
@@ -283,7 +283,7 @@ Foam::faMatrix<Type>::faMatrix
             new Field<Type>
             (
                 psi.mesh().boundary()[patchI].size(),
-                pTraits<Type>::zero
+                Zero
             )
         );
 
@@ -293,7 +293,7 @@ Foam::faMatrix<Type>::faMatrix
             new Field<Type>
             (
                 psi.mesh().boundary()[patchI].size(),
-                pTraits<Type>::zero
+                Zero
             )
         );
     }
@@ -454,7 +454,7 @@ void Foam::faMatrix<Type>::relax(const scalar alpha)
     scalarField D0(D);
 
     // Calculate the sum-mag off-diagonal from the interior faces
-    scalarField sumOff(D.size(), 0.0);
+    scalarField sumOff(D.size(), Zero);
     sumMagOffDiag(sumOff);
 
     // Handle the boundary contributions to the diagonal
@@ -606,7 +606,7 @@ Foam::faMatrix<Type>::H() const
     {
         scalarField psiCmpt(psi_.primitiveField().component(cmpt));
 
-        scalarField boundaryDiagCmpt(psi_.size(), 0.0);
+        scalarField boundaryDiagCmpt(psi_.size(), Zero);
         addBoundaryDiag(boundaryDiagCmpt, cmpt);
         boundaryDiagCmpt.negate();
         addCmptAvBoundaryDiag(boundaryDiagCmpt);
diff --git a/src/finiteArea/faMatrices/faMatrix/faMatrixSolve.C b/src/finiteArea/faMatrices/faMatrix/faMatrixSolve.C
index 1a1e0f6979..574227b89e 100644
--- a/src/finiteArea/faMatrices/faMatrix/faMatrixSolve.C
+++ b/src/finiteArea/faMatrices/faMatrix/faMatrixSolve.C
@@ -179,7 +179,7 @@ Foam::tmp<Foam::Field<Type>> Foam::faMatrix<Type>::residual() const
     {
         scalarField psiCmpt(psi_.internalField().component(cmpt));
 
-        scalarField boundaryDiagCmpt(psi_.size(), 0.0);
+        scalarField boundaryDiagCmpt(psi_.size(), Zero);
         addBoundaryDiag(boundaryDiagCmpt, cmpt);
 
         FieldField<Field, scalar> bouCoeffsCmpt
diff --git a/src/finiteArea/faMatrices/faScalarMatrix/faScalarMatrix.C b/src/finiteArea/faMatrices/faScalarMatrix/faScalarMatrix.C
index 8b30c3a5d2..df469cc1e1 100644
--- a/src/finiteArea/faMatrices/faScalarMatrix/faScalarMatrix.C
+++ b/src/finiteArea/faMatrices/faScalarMatrix/faScalarMatrix.C
@@ -98,7 +98,7 @@ Foam::solverPerformance Foam::faMatrix<Foam::scalar>::solve
 template<>
 Foam::tmp<Foam::scalarField> Foam::faMatrix<Foam::scalar>::residual() const
 {
-    scalarField boundaryDiag(psi_.size(), 0.0);
+    scalarField boundaryDiag(psi_.size(), Zero);
     addBoundaryDiag(boundaryDiag, 0);
 
     tmp<scalarField> tres
diff --git a/src/finiteArea/faMesh/faGlobalMeshData/faGlobalMeshData.C b/src/finiteArea/faMesh/faGlobalMeshData/faGlobalMeshData.C
index e78e5d6be9..fb2d475080 100644
--- a/src/finiteArea/faMesh/faGlobalMeshData/faGlobalMeshData.C
+++ b/src/finiteArea/faMesh/faGlobalMeshData/faGlobalMeshData.C
@@ -75,7 +75,7 @@ void Foam::faGlobalMeshData::updateMesh()
 
     labelHashSet sharedPointLabels;
 
-    labelField globalList(polyMeshNGlobalPoints, 0);
+    labelField globalList(polyMeshNGlobalPoints, Zero);
 
     forAll(mesh_.boundary(), patchI)
     {
diff --git a/src/finiteArea/faMesh/faMeshDemandDrivenData.C b/src/finiteArea/faMesh/faMeshDemandDrivenData.C
index 4ca4942cf1..9a0122ea39 100644
--- a/src/finiteArea/faMesh/faMeshDemandDrivenData.C
+++ b/src/finiteArea/faMesh/faMeshDemandDrivenData.C
@@ -487,7 +487,7 @@ void Foam::faMesh::calcEdgeAreaNormals() const
 //     // Primitive patch edge normals
 //     const labelListList& patchPointEdges = patch().pointEdges();
 
-//     vectorField patchEdgeNormals(nEdges(), vector::zero);
+//     vectorField patchEdgeNormals(nEdges(), Zero);
 
 //     forAll(pointNormals, pointI)
 //     {
@@ -920,7 +920,7 @@ void Foam::faMesh::calcPointAreaNormals() const
     }
 
 
-    pointAreaNormalsPtr_ = new vectorField(nPoints(), vector::zero);
+    pointAreaNormalsPtr_ = new vectorField(nPoints(), Zero);
 
     vectorField& result = *pointAreaNormalsPtr_;
 
@@ -1075,7 +1075,7 @@ void Foam::faMesh::calcPointAreaNormals() const
             vectorField patchPointNormals
             (
                 patchPointLabels.size(),
-                vector::zero
+                Zero
             );
 
             forAll(patchPointNormals, pointI)
@@ -1096,7 +1096,7 @@ void Foam::faMesh::calcPointAreaNormals() const
             vectorField ngbPatchPointNormals
             (
                 procPatch.neighbPoints().size(),
-                vector::zero
+                Zero
             );
 
             {
@@ -1126,7 +1126,7 @@ void Foam::faMesh::calcPointAreaNormals() const
     {
         const labelList& spLabels(globalData().sharedPointLabels());
 
-        vectorField spNormals(spLabels.size(), vector::zero);
+        vectorField spNormals(spLabels.size(), Zero);
         forAll(spNormals, pointI)
         {
             spNormals[pointI] = result[spLabels[pointI]];
@@ -1137,7 +1137,7 @@ void Foam::faMesh::calcPointAreaNormals() const
         vectorField gpNormals
         (
             globalData().nGlobalPoints(),
-            vector::zero
+            Zero
         );
 
         forAll(addr, i)
@@ -1308,7 +1308,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
             M[i][4] = allPoints[i].y();
         }
 
-        scalarSquareMatrix MtM(5, 0.0);
+        scalarSquareMatrix MtM(5, Zero);
 
         for (label i = 0; i < MtM.n(); ++i)
         {
@@ -1321,7 +1321,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
             }
         }
 
-        scalarField MtR(5, 0);
+        scalarField MtR(5, Zero);
 
         for (label i=0; i<MtR.size(); ++i)
         {
@@ -1354,11 +1354,11 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
 
             const labelList& patchPointLabels = procPatch.pointLabels();
 
-            labelList toNgbProcLsPointStarts(patchPointLabels.size(), 0);
+            labelList toNgbProcLsPointStarts(patchPointLabels.size(), Zero);
             vectorField toNgbProcLsPoints
             (
                 10*patchPointLabels.size(),
-                vector::zero
+                Zero
             );
             label nPoints = 0;
 
@@ -1422,7 +1422,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
 
             const labelList& patchPointLabels = procPatch.pointLabels();
 
-            labelList fromNgbProcLsPointStarts(patchPointLabels.size(), 0);
+            labelList fromNgbProcLsPointStarts(patchPointLabels.size(), Zero);
             vectorField fromNgbProcLsPoints;
 
             {
@@ -1520,7 +1520,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
                 }
 
                 // Remove duplicate points
-                vectorField allPoints(nAllPoints, vector::zero);
+                vectorField allPoints(nAllPoints, Zero);
                 boundBox bb(allPointsExt, false);
                 scalar tol = 0.001*mag(bb.max() - bb.min());
 
@@ -1595,7 +1595,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
                     M[i][4] = allPoints[i].y();
                 }
 
-                scalarSquareMatrix MtM(5, 0.0);
+                scalarSquareMatrix MtM(5, Zero);
 
                 for (label i = 0; i < MtM.n(); ++i)
                 {
@@ -1608,7 +1608,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
                     }
                 }
 
-                scalarField MtR(5, 0);
+                scalarField MtR(5, Zero);
 
                 for (label i = 0; i < MtR.size(); ++i)
                 {
@@ -1690,7 +1690,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
                     nAllPoints += procLsPoints[procI].size();
                 }
 
-                vectorField allPoints(nAllPoints, vector::zero);
+                vectorField allPoints(nAllPoints, Zero);
 
                 nAllPoints = 0;
                 forAll(procLsPoints, procI)
@@ -1768,7 +1768,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
                     M[i][4] = allPoints[i].y();
                 }
 
-                scalarSquareMatrix MtM(5, 0.0);
+                scalarSquareMatrix MtM(5, Zero);
                 for (label i = 0; i < MtM.n(); ++i)
                 {
                     for (label j = 0; j < MtM.m(); ++j)
@@ -1780,7 +1780,7 @@ void Foam::faMesh::calcPointAreaNormalsByQuadricsFit() const
                     }
                 }
 
-                scalarField MtR(5, 0);
+                scalarField MtR(5, Zero);
                 for (label i = 0; i < MtR.size(); ++i)
                 {
                     for (label j = 0; j < M.n(); ++j)
diff --git a/src/finiteArea/faMesh/faMeshMapper/faEdgeMapper.C b/src/finiteArea/faMesh/faMeshMapper/faEdgeMapper.C
index f0095149db..0cf1fec450 100644
--- a/src/finiteArea/faMesh/faMeshMapper/faEdgeMapper.C
+++ b/src/finiteArea/faMesh/faMeshMapper/faEdgeMapper.C
@@ -45,7 +45,7 @@ void Foam::faEdgeMapper::calcAddressing() const
     hasUnmapped_ = false;
 
     // Dummy mapping: take value from edge 0
-    directAddrPtr_ = new labelList(size(), 0);
+    directAddrPtr_ = new labelList(size(), Zero);
 }
 
 
diff --git a/src/finiteArea/faMesh/faMeshMapper/faPatchMapper.C b/src/finiteArea/faMesh/faMeshMapper/faPatchMapper.C
index f8028c4895..5c536ffc99 100644
--- a/src/finiteArea/faMesh/faMeshMapper/faPatchMapper.C
+++ b/src/finiteArea/faMesh/faMeshMapper/faPatchMapper.C
@@ -46,7 +46,7 @@ void Foam::faPatchMapper::calcAddressing() const
     // Compatibility change  HJ, 12/Aug/2017
     hasUnmapped_ = false;
 
-    directAddrPtr_ = new labelList(patch_.size(), 0);
+    directAddrPtr_ = new labelList(patch_.size(), Zero);
     labelList& addr = *directAddrPtr_;
 
     // Make a map of old edgeFaces, giving edge index in patch given the new
diff --git a/src/finiteArea/faMesh/faPatches/faPatch/faPatch.C b/src/finiteArea/faMesh/faPatches/faPatch/faPatch.C
index 8c64de4c8a..33900b98ac 100644
--- a/src/finiteArea/faMesh/faPatches/faPatch/faPatch.C
+++ b/src/finiteArea/faMesh/faPatches/faPatch/faPatch.C
@@ -341,7 +341,7 @@ Foam::tmp<Foam::vectorField> Foam::faPatch::ngbPolyPatchPointNormals() const
 
     const labelListList& pntEdges = pointEdges();
 
-    tmp<vectorField> tpN(new vectorField(pntEdges.size(), vector::zero));
+    tmp<vectorField> tpN(new vectorField(pntEdges.size(), Zero));
     vectorField& pN = tpN.ref();
 
     const vectorField faceNormals(ngbPolyPatchFaceNormals());
diff --git a/src/finiteArea/fields/faPatchFields/basic/fixedGradient/fixedGradientFaPatchField.C b/src/finiteArea/fields/faPatchFields/basic/fixedGradient/fixedGradientFaPatchField.C
index 415ef43417..ff2f4262a7 100644
--- a/src/finiteArea/fields/faPatchFields/basic/fixedGradient/fixedGradientFaPatchField.C
+++ b/src/finiteArea/fields/faPatchFields/basic/fixedGradient/fixedGradientFaPatchField.C
@@ -37,7 +37,7 @@ Foam::fixedGradientFaPatchField<Type>::fixedGradientFaPatchField
 )
 :
     faPatchField<Type>(p, iF),
-    gradient_(p.size(), pTraits<Type>::zero)
+    gradient_(p.size(), Zero)
 {}
 
 
@@ -165,7 +165,7 @@ template<class Type>
 Foam::tmp<Foam::Field<Type>>
 Foam::fixedGradientFaPatchField<Type>::gradientInternalCoeffs() const
 {
-    return tmp<Field<Type>>::New(this->size(), pTraits<Type>::zero);
+    return tmp<Field<Type>>::New(this->size(), Zero);
 }
 
 
diff --git a/src/finiteArea/fields/faPatchFields/basic/fixedValue/fixedValueFaPatchField.C b/src/finiteArea/fields/faPatchFields/basic/fixedValue/fixedValueFaPatchField.C
index a430aae81a..0da603500b 100644
--- a/src/finiteArea/fields/faPatchFields/basic/fixedValue/fixedValueFaPatchField.C
+++ b/src/finiteArea/fields/faPatchFields/basic/fixedValue/fixedValueFaPatchField.C
@@ -97,7 +97,7 @@ Foam::fixedValueFaPatchField<Type>::valueInternalCoeffs
 {
     return tmp<Field<Type>>
     (
-        new Field<Type>(this->size(), pTraits<Type>::zero)
+        new Field<Type>(this->size(), Zero)
     );
 }
 
diff --git a/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.C b/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.C
index a792decf19..15bda7ceff 100644
--- a/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.C
+++ b/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.C
@@ -113,7 +113,7 @@ Foam::zeroGradientFaPatchField<Type>::valueInternalCoeffs
 {
     return tmp<Field<Type>>
     (
-        new Field<Type>(this->size(), pTraits<Type>::one)
+        new Field<Type>(this->size(), Zero)
     );
 }
 
@@ -127,7 +127,7 @@ Foam::zeroGradientFaPatchField<Type>::valueBoundaryCoeffs
 {
     return tmp<Field<Type>>
     (
-        new Field<Type>(this->size(), pTraits<Type>::zero)
+        new Field<Type>(this->size(), Zero)
     );
 }
 
@@ -138,7 +138,7 @@ Foam::zeroGradientFaPatchField<Type>::gradientInternalCoeffs() const
 {
     return tmp<Field<Type>>
     (
-        new Field<Type>(this->size(), pTraits<Type>::zero)
+        new Field<Type>(this->size(), Zero)
     );
 }
 
@@ -149,7 +149,7 @@ Foam::zeroGradientFaPatchField<Type>::gradientBoundaryCoeffs() const
 {
     return tmp<Field<Type>>
     (
-        new Field<Type>(this->size(), pTraits<Type>::zero)
+        new Field<Type>(this->size(), Zero)
     );
 }
 
diff --git a/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.H b/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.H
index 5130a94875..9860fb1f05 100644
--- a/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.H
+++ b/src/finiteArea/fields/faPatchFields/basic/zeroGradient/zeroGradientFaPatchField.H
@@ -139,7 +139,7 @@ public:
             {
                 return tmp<Field<Type>>
                 (
-                    new Field<Type>(this->size(), pTraits<Type>::zero)
+                    new Field<Type>(this->size(), Zero)
                 );
             }
 
diff --git a/src/finiteArea/finiteArea/d2dt2Schemes/EulerFaD2dt2Scheme/EulerFaD2dt2Scheme.C b/src/finiteArea/finiteArea/d2dt2Schemes/EulerFaD2dt2Scheme/EulerFaD2dt2Scheme.C
index a7425ea7f6..48bbee530d 100644
--- a/src/finiteArea/finiteArea/d2dt2Schemes/EulerFaD2dt2Scheme/EulerFaD2dt2Scheme.C
+++ b/src/finiteArea/finiteArea/d2dt2Schemes/EulerFaD2dt2Scheme/EulerFaD2dt2Scheme.C
@@ -95,12 +95,7 @@ EulerFaD2dt2Scheme<Type>::facD2dt2
             (
                 d2dt2IOobject,
                 mesh(),
-                dimensioned<Type>
-                (
-                    "0",
-                    dt.dimensions()/dimTime/dimTime,
-                    pTraits<Type>::zero
-                )
+                dimensioned<Type>(dt.dimensions()/dimTime/dimTime, Zero)
             )
         );
 
@@ -119,12 +114,7 @@ EulerFaD2dt2Scheme<Type>::facD2dt2
             (
                 d2dt2IOobject,
                 mesh(),
-                dimensioned<Type>
-                (
-                    "0",
-                    dt.dimensions()/dimTime/dimTime,
-                    pTraits<Type>::zero
-                ),
+                dimensioned<Type>(dt.dimensions()/dimTime/dimTime, Zero),
                 calculatedFaPatchField<Type>::typeName
             )
         );
diff --git a/src/finiteArea/finiteArea/gradSchemes/leastSquaresFaGrad/leastSquaresFaVectors.C b/src/finiteArea/finiteArea/gradSchemes/leastSquaresFaGrad/leastSquaresFaVectors.C
index 2fc9005811..f9bed1821c 100644
--- a/src/finiteArea/finiteArea/gradSchemes/leastSquaresFaGrad/leastSquaresFaVectors.C
+++ b/src/finiteArea/finiteArea/gradSchemes/leastSquaresFaGrad/leastSquaresFaVectors.C
@@ -109,7 +109,7 @@ void Foam::leastSquaresFaVectors::makeLeastSquaresVectors() const
 
 
     // Set up temporary storage for the dd tensor (before inversion)
-    symmTensorField dd(mesh().nFaces(), symmTensor::zero);
+    symmTensorField dd(mesh().nFaces(), Zero);
 
     forAll(owner, facei)
     {
diff --git a/src/finiteArea/interpolation/edgeInterpolation/edgeInterpolation.C b/src/finiteArea/interpolation/edgeInterpolation/edgeInterpolation.C
index 692d6f79f9..8b8e862253 100644
--- a/src/finiteArea/interpolation/edgeInterpolation/edgeInterpolation.C
+++ b/src/finiteArea/interpolation/edgeInterpolation/edgeInterpolation.C
@@ -237,7 +237,7 @@ void Foam::edgeInterpolation::makeLPN() const
 
     forAll(owner, edgeI)
     {
-        vector curSkewCorrVec = vector::zero;
+        vector curSkewCorrVec(Zero);
 
         if (skew())
         {
@@ -315,7 +315,7 @@ void Foam::edgeInterpolation::makeWeights() const
 
     forAll(owner, edgeI)
     {
-        vector curSkewCorrVec = vector::zero;
+        vector curSkewCorrVec(Zero);
 
         if (skew())
         {
@@ -417,7 +417,7 @@ void Foam::edgeInterpolation::makeDeltaCoeffs() const
 
 
         // Calc PN arc length
-        vector curSkewCorrVec = vector::zero;
+        vector curSkewCorrVec(Zero);
 
         if (skew())
         {
diff --git a/src/finiteArea/interpolation/edgeInterpolation/schemes/NVDscheme/faNVDscheme.C b/src/finiteArea/interpolation/edgeInterpolation/schemes/NVDscheme/faNVDscheme.C
index 5b457ccdd1..a9cbcb93de 100644
--- a/src/finiteArea/interpolation/edgeInterpolation/schemes/NVDscheme/faNVDscheme.C
+++ b/src/finiteArea/interpolation/edgeInterpolation/schemes/NVDscheme/faNVDscheme.C
@@ -94,7 +94,7 @@ Foam::tmp<Foam::edgeScalarField> Foam::faNVDscheme<Type,NVDweight>::weights
 
     forAll(weights, edge)
     {
-        vector d = vector::zero;
+        vector d(Zero);
 
         if (edgeFlux_[edge] > 0)
         {
@@ -178,7 +178,7 @@ Foam::tmp<Foam::edgeScalarField> Foam::faNVDscheme<Type,NVDweight>::weights
 
             forAll(pWeights, edgeI)
             {
-                vector d = vector::zero;
+                vector d(Zero);
 
                 if (pEdgeFlux[edgeI] > 0)
                 {
diff --git a/src/finiteArea/interpolation/volSurfaceMapping/volSurfaceMapping.C b/src/finiteArea/interpolation/volSurfaceMapping/volSurfaceMapping.C
index 14b13ed610..c40b9470de 100644
--- a/src/finiteArea/interpolation/volSurfaceMapping/volSurfaceMapping.C
+++ b/src/finiteArea/interpolation/volSurfaceMapping/volSurfaceMapping.C
@@ -40,11 +40,7 @@ Foam::tmp<Foam::Field<Type>> Foam::volSurfaceMapping::mapToSurface
 
     tmp<Field<Type>> tresult
     (
-        new Field<Type>
-        (
-            faceLabels.size(),
-            pTraits<Type>::zero
-        )
+        new Field<Type>(faceLabels.size(), Zero)
     );
     Field<Type>& result = tresult.ref();
 
diff --git a/src/finiteVolume/cfdTools/general/MRF/MRFZone.C b/src/finiteVolume/cfdTools/general/MRF/MRFZone.C
index 69bb43ebe8..8ed903e309 100644
--- a/src/finiteVolume/cfdTools/general/MRF/MRFZone.C
+++ b/src/finiteVolume/cfdTools/general/MRF/MRFZone.C
@@ -50,7 +50,7 @@ void Foam::MRFZone::setMRFFaces()
     //  0:not in zone
     //  1:moving with frame
     //  2:other
-    labelList faceType(mesh_.nFaces(), 0);
+    labelList faceType(mesh_.nFaces(), Zero);
 
     // Determine faces in cell zone
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -140,8 +140,8 @@ void Foam::MRFZone::setMRFFaces()
     }
     internalFaces_.setSize(nInternal);
 
-    labelList nIncludedFaces(patches.size(), 0);
-    labelList nExcludedFaces(patches.size(), 0);
+    labelList nIncludedFaces(patches.size(), Zero);
+    labelList nExcludedFaces(patches.size(), Zero);
 
     forAll(patches, patchi)
     {
diff --git a/src/finiteVolume/cfdTools/general/levelSet/levelSet.C b/src/finiteVolume/cfdTools/general/levelSet/levelSet.C
index 61baa44536..dc2dd1c27f 100644
--- a/src/finiteVolume/cfdTools/general/levelSet/levelSet.C
+++ b/src/finiteVolume/cfdTools/general/levelSet/levelSet.C
@@ -110,14 +110,15 @@ Foam::tmp<Foam::scalarField> Foam::levelSetFraction
     const bool above
 )
 {
-    tmp<scalarField> tResult(new scalarField(patch.size(), 0));
+    tmp<scalarField> tResult(new scalarField(patch.size(), Zero));
     scalarField& result = tResult.ref();
 
     forAll(result, fI)
     {
         const face& f = patch.patch().localFaces()[fI];
 
-        vector a = vector::zero, r = vector::zero;
+        vector a(Zero);
+        vector r(Zero);
 
         for (label eI = 0; eI < f.size(); ++eI)
         {
diff --git a/src/finiteVolume/cfdTools/general/levelSet/levelSetTemplates.C b/src/finiteVolume/cfdTools/general/levelSet/levelSetTemplates.C
index a3e7972fdf..479e3f43f4 100644
--- a/src/finiteVolume/cfdTools/general/levelSet/levelSetTemplates.C
+++ b/src/finiteVolume/cfdTools/general/levelSet/levelSetTemplates.C
@@ -136,10 +136,10 @@ Foam::tmp<Foam::Field<Type>> Foam::levelSetAverage
     {
         const face& f = patch.patch().localFaces()[fI];
 
-        vector a = vector::zero;
+        vector a(Zero);
         sumType r = Zero;
 
-        for(label eI = 0; eI < f.size(); ++ eI)
+        for (label eI = 0; eI < f.size(); ++eI)
         {
             const edge e = f.faceEdge(eI);
 
diff --git a/src/finiteVolume/cfdTools/general/porosityModel/fixedCoeff/fixedCoeff.C b/src/finiteVolume/cfdTools/general/porosityModel/fixedCoeff/fixedCoeff.C
index cc7fb9d43f..1b01df5138 100644
--- a/src/finiteVolume/cfdTools/general/porosityModel/fixedCoeff/fixedCoeff.C
+++ b/src/finiteVolume/cfdTools/general/porosityModel/fixedCoeff/fixedCoeff.C
@@ -175,7 +175,7 @@ void Foam::porosityModels::fixedCoeff::calcForce
     vectorField& force
 ) const
 {
-    scalarField Udiag(U.size(), 0.0);
+    scalarField Udiag(U.size(), Zero);
     vectorField Usource(U.size(), Zero);
     const scalarField& V = mesh_.V();
     const scalar rhoRef = coeffs_.get<scalar>("rhoRef");
diff --git a/src/finiteVolume/cfdTools/general/porosityModel/powerLaw/powerLaw.C b/src/finiteVolume/cfdTools/general/porosityModel/powerLaw/powerLaw.C
index d50e9bb8a6..6c9883bda6 100644
--- a/src/finiteVolume/cfdTools/general/porosityModel/powerLaw/powerLaw.C
+++ b/src/finiteVolume/cfdTools/general/porosityModel/powerLaw/powerLaw.C
@@ -74,7 +74,7 @@ void Foam::porosityModels::powerLaw::calcForce
     vectorField& force
 ) const
 {
-    scalarField Udiag(U.size(), 0.0);
+    scalarField Udiag(U.size(), Zero);
     const scalarField& V = mesh_.V();
 
     apply(Udiag, V, rho, U);
diff --git a/src/finiteVolume/cfdTools/general/porosityModel/solidification/solidification.C b/src/finiteVolume/cfdTools/general/porosityModel/solidification/solidification.C
index 737521805e..2c0a38faee 100644
--- a/src/finiteVolume/cfdTools/general/porosityModel/solidification/solidification.C
+++ b/src/finiteVolume/cfdTools/general/porosityModel/solidification/solidification.C
@@ -79,7 +79,7 @@ void Foam::porosityModels::solidification::calcForce
     vectorField& force
 ) const
 {
-    scalarField Udiag(U.size(), 0.0);
+    scalarField Udiag(U.size(), Zero);
     const scalarField& V = mesh_.V();
 
     apply(Udiag, V, rho, U);
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/inletOutletTotalTemperature/inletOutletTotalTemperatureFvPatchScalarField.C b/src/finiteVolume/fields/fvPatchFields/derived/inletOutletTotalTemperature/inletOutletTotalTemperatureFvPatchScalarField.C
index 463dbda48a..3ea5845faf 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/inletOutletTotalTemperature/inletOutletTotalTemperatureFvPatchScalarField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/inletOutletTotalTemperature/inletOutletTotalTemperatureFvPatchScalarField.C
@@ -42,7 +42,7 @@ inletOutletTotalTemperatureFvPatchScalarField
     UName_("U"),
     psiName_("psi"),
     gamma_(0.0),
-    T0_(p.size(), 0.0)
+    T0_(p.size(), Zero)
 {
     this->refValue() = Zero;
     this->refGrad() = Zero;
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/mappedVelocityFluxFixedValue/mappedVelocityFluxFixedValueFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/mappedVelocityFluxFixedValue/mappedVelocityFluxFixedValueFvPatchField.C
index 7c9154c0a0..c61100fc2e 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/mappedVelocityFluxFixedValue/mappedVelocityFluxFixedValueFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/mappedVelocityFluxFixedValue/mappedVelocityFluxFixedValueFvPatchField.C
@@ -168,7 +168,7 @@ void Foam::mappedVelocityFluxFixedValueFvPatchField::updateCoeffs()
         case mappedPolyPatch::NEARESTFACE:
         {
             vectorField allUValues(nbrMesh.nFaces(), Zero);
-            scalarField allPhiValues(nbrMesh.nFaces(), 0.0);
+            scalarField allPhiValues(nbrMesh.nFaces(), Zero);
 
             forAll(UField.boundaryField(), patchi)
             {
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/partialSlip/partialSlipFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/partialSlip/partialSlipFvPatchField.C
index 0e2d114de7..8cca114af9 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/partialSlip/partialSlipFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/partialSlip/partialSlipFvPatchField.C
@@ -65,7 +65,7 @@ Foam::partialSlipFvPatchField<Type>::partialSlipFvPatchField
 )
 :
     transformFvPatchField<Type>(p, iF),
-    refValue_(p.size(), pTraits<Type>::zero),
+    refValue_(p.size(), Zero),
     valueFraction_("valueFraction", dict, p.size())
 {
     this->patchType() = dict.lookupOrDefault<word>("patchType", word::null);
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/plenumPressure/plenumPressureFvPatchScalarField.C b/src/finiteVolume/fields/fvPatchFields/derived/plenumPressure/plenumPressureFvPatchScalarField.C
index 76521a7610..9333b06adb 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/plenumPressure/plenumPressureFvPatchScalarField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/plenumPressure/plenumPressureFvPatchScalarField.C
@@ -77,7 +77,7 @@ Foam::plenumPressureFvPatchScalarField::plenumPressureFvPatchScalarField
     hasRho_(false),
     inletAreaRatio_(dict.get<scalar>("inletAreaRatio")),
     inletDischargeCoefficient_(dict.get<scalar>("inletDischargeCoefficient")),
-    timeScale_(dict.lookupOrDefault<scalar>("timeScale", 0.0)),
+    timeScale_(dict.lookupOrDefault<scalar>("timeScale", 0)),
     phiName_(dict.lookupOrDefault<word>("phi", "phi")),
     UName_(dict.lookupOrDefault<word>("U", "U"))
 {
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C b/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C
index b5c8d41456..d8303d272b 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C
@@ -40,7 +40,7 @@ prghPressureFvPatchScalarField
 :
     fixedValueFvPatchScalarField(p, iF),
     rhoName_("rho"),
-    p_(p.size(), 0.0)
+    p_(p.size(), Zero)
 {}
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/prghTotalPressure/prghTotalPressureFvPatchScalarField.C b/src/finiteVolume/fields/fvPatchFields/derived/prghTotalPressure/prghTotalPressureFvPatchScalarField.C
index 3c8d1623ea..6f0c39dfde 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/prghTotalPressure/prghTotalPressureFvPatchScalarField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/prghTotalPressure/prghTotalPressureFvPatchScalarField.C
@@ -42,7 +42,7 @@ Foam::prghTotalPressureFvPatchScalarField::prghTotalPressureFvPatchScalarField
     UName_("U"),
     phiName_("phi"),
     rhoName_("rho"),
-    p0_(p.size(), 0.0)
+    p0_(p.size(), Zero)
 {}
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/swirlFanVelocity/swirlFanVelocityFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/swirlFanVelocity/swirlFanVelocityFvPatchField.C
index 7275d53d9c..253541ae39 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/swirlFanVelocity/swirlFanVelocityFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/swirlFanVelocity/swirlFanVelocityFvPatchField.C
@@ -67,7 +67,7 @@ void Foam::swirlFanVelocityFvPatchField::calcFanJump()
 
         tanDir /= (mag(tanDir) + SMALL);
 
-        scalarField magTangU(patch().size(), 0.0);
+        scalarField magTangU(patch().size(), Zero);
 
         if (useRealRadius_)
         {
@@ -149,12 +149,12 @@ Foam::swirlFanVelocityFvPatchField::swirlFanVelocityFvPatchField
           : Zero
         )
     ),
-    rpm_(dict.lookupOrDefault<scalar>("rpm", 0.0)),
-    rEff_(dict.lookupOrDefault<scalar>("rEff", 0.0)),
-    fanEff_(dict.lookupOrDefault<scalar>("fanEff", 1.0)),
+    rpm_(dict.lookupOrDefault<scalar>("rpm", 0)),
+    rEff_(dict.lookupOrDefault<scalar>("rEff", 0)),
+    fanEff_(dict.lookupOrDefault<scalar>("fanEff", 1)),
     useRealRadius_(dict.lookupOrDefault("useRealRadius", false)),
-    rInner_(dict.lookupOrDefault<scalar>("rInner", 0.0)),
-    rOuter_(dict.lookupOrDefault<scalar>("rOuter", 0.0))
+    rInner_(dict.lookupOrDefault<scalar>("rInner", 0)),
+    rOuter_(dict.lookupOrDefault<scalar>("rOuter", 0))
 {}
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/totalPressure/totalPressureFvPatchScalarField.C b/src/finiteVolume/fields/fvPatchFields/derived/totalPressure/totalPressureFvPatchScalarField.C
index 38bd259767..d93b4df463 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/totalPressure/totalPressureFvPatchScalarField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/totalPressure/totalPressureFvPatchScalarField.C
@@ -44,7 +44,7 @@ Foam::totalPressureFvPatchScalarField::totalPressureFvPatchScalarField
     rhoName_("rho"),
     psiName_("none"),
     gamma_(0.0),
-    p0_(p.size(), 0.0)
+    p0_(p.size(), Zero)
 {}
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/totalTemperature/totalTemperatureFvPatchScalarField.C b/src/finiteVolume/fields/fvPatchFields/derived/totalTemperature/totalTemperatureFvPatchScalarField.C
index 6f8f3bfb3c..ed06e0ec9c 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/totalTemperature/totalTemperatureFvPatchScalarField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/totalTemperature/totalTemperatureFvPatchScalarField.C
@@ -42,7 +42,7 @@ Foam::totalTemperatureFvPatchScalarField::totalTemperatureFvPatchScalarField
     phiName_("phi"),
     psiName_("thermo:psi"),
     gamma_(0.0),
-    T0_(p.size(), 0.0)
+    T0_(p.size(), Zero)
 {}
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/eddy/eddy.C b/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/eddy/eddy.C
index 1883fac278..2e6536d222 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/eddy/eddy.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/eddy/eddy.C
@@ -112,10 +112,10 @@ bool Foam::eddy::setScales
 Foam::eddy::eddy()
 :
     patchFaceI_(-1),
-    position0_(vector::zero),
+    position0_(Zero),
     x_(0),
-    sigma_(vector::zero),
-    alpha_(vector::zero),
+    sigma_(Zero),
+    alpha_(Zero),
     Rpg_(tensor::I),
     c1_(-1),
     dir1_(0)
@@ -135,8 +135,8 @@ Foam::eddy::eddy
     patchFaceI_(patchFaceI),
     position0_(position0),
     x_(x),
-    sigma_(vector::zero),
-    alpha_(vector::zero),
+    sigma_(Zero),
+    alpha_(Zero),
     Rpg_(tensor::I),
     c1_(-1),
     dir1_(0)
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/turbulentDFSEMInletFvPatchVectorField.C b/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/turbulentDFSEMInletFvPatchVectorField.C
index e22a895833..54b5bf879d 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/turbulentDFSEMInletFvPatchVectorField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/turbulentDFSEMInletFvPatchVectorField.C
@@ -584,7 +584,7 @@ Foam::vector Foam::turbulentDFSEMInletFvPatchVectorField::uDashEddy
     const point& patchFaceCf
 ) const
 {
-    vector uDash(vector::zero);
+    vector uDash(Zero);
 
     forAll(eddies, k)
     {
@@ -740,17 +740,17 @@ turbulentDFSEMInletFvPatchVectorField
     L_(),
     interpolateU_(false),
     U_(),
-    UMean_(vector::zero),
+    UMean_(Zero),
 
     patchArea_(-1),
     triFace_(),
     triToFace_(),
     triCumulativeMagSf_(),
-    sumTriMagSf_(Pstream::nProcs() + 1, 0.0),
+    sumTriMagSf_(Pstream::nProcs() + 1, Zero),
 
     eddies_(0),
     nCellPerEddy_(5),
-    patchNormal_(vector::zero),
+    patchNormal_(Zero),
     v0_(0),
     rndGen_(Pstream::myProcNo()),
     sigmax_(size(), 0),
@@ -831,20 +831,20 @@ turbulentDFSEMInletFvPatchVectorField
     L_(interpolateOrRead<scalar>("L", dict, interpolateL_)),
     interpolateU_(false),
     U_(interpolateOrRead<vector>("U", dict, interpolateU_)),
-    UMean_(vector::zero),
+    UMean_(Zero),
 
     patchArea_(-1),
     triFace_(),
     triToFace_(),
     triCumulativeMagSf_(),
-    sumTriMagSf_(Pstream::nProcs() + 1, 0.0),
+    sumTriMagSf_(Pstream::nProcs() + 1, Zero),
 
     eddies_(),
     nCellPerEddy_(dict.lookupOrDefault<label>("nCellPerEddy", 5)),
-    patchNormal_(vector::zero),
+    patchNormal_(Zero),
     v0_(0),
     rndGen_(0, -1),
-    sigmax_(size(), 0),
+    sigmax_(size(), Zero),
     maxSigmaX_(0),
     nEddy_(0),
     curTimeIndex_(-1),
diff --git a/src/finiteVolume/finiteVolume/ddtSchemes/SLTSDdtScheme/SLTSDdtScheme.C b/src/finiteVolume/finiteVolume/ddtSchemes/SLTSDdtScheme/SLTSDdtScheme.C
index 73bda9c99d..ef46ffc2d8 100644
--- a/src/finiteVolume/finiteVolume/ddtSchemes/SLTSDdtScheme/SLTSDdtScheme.C
+++ b/src/finiteVolume/finiteVolume/ddtSchemes/SLTSDdtScheme/SLTSDdtScheme.C
@@ -48,7 +48,7 @@ void SLTSDdtScheme<Type>::relaxedDiag
 {
     const labelUList& owner = mesh().owner();
     const labelUList& neighbour = mesh().neighbour();
-    scalarField diag(rD.size(), 0.0);
+    scalarField diag(rD.size(), Zero);
 
     forAll(owner, facei)
     {
diff --git a/src/finiteVolume/finiteVolume/snGradSchemes/CentredFitSnGrad/CentredFitSnGradData.C b/src/finiteVolume/finiteVolume/snGradSchemes/CentredFitSnGrad/CentredFitSnGradData.C
index 5c5980d9b2..350394c16c 100644
--- a/src/finiteVolume/finiteVolume/snGradSchemes/CentredFitSnGrad/CentredFitSnGradData.C
+++ b/src/finiteVolume/finiteVolume/snGradSchemes/CentredFitSnGrad/CentredFitSnGradData.C
@@ -97,7 +97,7 @@ void Foam::CentredFitSnGradData<Polynomial>::calcFit
     scalar scale = 1;
 
     // Matrix of the polynomial components
-    scalarRectangularMatrix B(C.size(), this->minSize(), scalar(0));
+    scalarRectangularMatrix B(C.size(), this->minSize(), Zero);
 
     forAll(C, ip)
     {
diff --git a/src/finiteVolume/fvMatrices/fvMatrix/fvMatrix.C b/src/finiteVolume/fvMatrices/fvMatrix/fvMatrix.C
index 6fc6924690..aaf2e09d40 100644
--- a/src/finiteVolume/fvMatrices/fvMatrix/fvMatrix.C
+++ b/src/finiteVolume/fvMatrices/fvMatrix/fvMatrix.C
@@ -590,7 +590,7 @@ void Foam::fvMatrix<Type>::relax(const scalar alpha)
     scalarField D0(D);
 
     // Calculate the sum-mag off-diagonal from the interior faces
-    scalarField sumOff(D.size(), 0.0);
+    scalarField sumOff(D.size(), Zero);
     sumMagOffDiag(sumOff);
 
     // Handle the boundary contributions to the diagonal
@@ -839,7 +839,7 @@ Foam::fvMatrix<Type>::H() const
     {
         scalarField psiCmpt(psi_.primitiveField().component(cmpt));
 
-        scalarField boundaryDiagCmpt(psi_.size(), 0.0);
+        scalarField boundaryDiagCmpt(psi_.size(), Zero);
         addBoundaryDiag(boundaryDiagCmpt, cmpt);
         boundaryDiagCmpt.negate();
         addCmptAvBoundaryDiag(boundaryDiagCmpt);
diff --git a/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C b/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C
index 2c6fc59433..4f76e33805 100644
--- a/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C
+++ b/src/finiteVolume/fvMatrices/fvMatrix/fvMatrixSolve.C
@@ -329,7 +329,7 @@ Foam::tmp<Foam::Field<Type>> Foam::fvMatrix<Type>::residual() const
     {
         scalarField psiCmpt(psi_.primitiveField().component(cmpt));
 
-        scalarField boundaryDiagCmpt(psi_.size(), 0.0);
+        scalarField boundaryDiagCmpt(psi_.size(), Zero);
         addBoundaryDiag(boundaryDiagCmpt, cmpt);
 
         FieldField<Field, scalar> bouCoeffsCmpt
diff --git a/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C b/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C
index c5b1637478..2f1387a56d 100644
--- a/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C
+++ b/src/finiteVolume/fvMatrices/fvScalarMatrix/fvScalarMatrix.C
@@ -194,7 +194,7 @@ Foam::solverPerformance Foam::fvMatrix<Foam::scalar>::solveSegregated
 template<>
 Foam::tmp<Foam::scalarField> Foam::fvMatrix<Foam::scalar>::residual() const
 {
-    scalarField boundaryDiag(psi_.size(), 0.0);
+    scalarField boundaryDiag(psi_.size(), Zero);
     addBoundaryDiag(boundaryDiag, 0);
 
     tmp<scalarField> tres
diff --git a/src/finiteVolume/fvMatrices/solvers/MULES/CMULESTemplates.C b/src/finiteVolume/fvMatrices/solvers/MULES/CMULESTemplates.C
index 8642df377b..ac1f09264f 100644
--- a/src/finiteVolume/fvMatrices/solvers/MULES/CMULESTemplates.C
+++ b/src/finiteVolume/fvMatrices/solvers/MULES/CMULESTemplates.C
@@ -48,7 +48,7 @@ void Foam::MULES::correct
 
     const fvMesh& mesh = psi.mesh();
 
-    scalarField psiIf(psi.size(), 0);
+    scalarField psiIf(psi.size(), Zero);
     fvc::surfaceIntegrate(psiIf, phiCorr);
 
     if (mesh.moving())
@@ -202,8 +202,8 @@ void Foam::MULES::limiterCorr
     scalarField psiMaxn(psiIf.size(), psiMin);
     scalarField psiMinn(psiIf.size(), psiMax);
 
-    scalarField sumPhip(psiIf.size(), 0.0);
-    scalarField mSumPhim(psiIf.size(), 0.0);
+    scalarField sumPhip(psiIf.size(), Zero);
+    scalarField mSumPhim(psiIf.size(), Zero);
 
     forAll(phiCorrIf, facei)
     {
diff --git a/src/finiteVolume/fvMatrices/solvers/MULES/MULESTemplates.C b/src/finiteVolume/fvMatrices/solvers/MULES/MULESTemplates.C
index 8470e0f694..e0c1e66dd1 100644
--- a/src/finiteVolume/fvMatrices/solvers/MULES/MULESTemplates.C
+++ b/src/finiteVolume/fvMatrices/solvers/MULES/MULESTemplates.C
@@ -238,10 +238,10 @@ void Foam::MULES::limiter
     scalarField psiMaxn(psiIf.size(), psiMin);
     scalarField psiMinn(psiIf.size(), psiMax);
 
-    scalarField sumPhiBD(psiIf.size(), 0.0);
+    scalarField sumPhiBD(psiIf.size(), Zero);
 
-    scalarField sumPhip(psiIf.size(), 0.0);
-    scalarField mSumPhim(psiIf.size(), 0.0);
+    scalarField sumPhip(psiIf.size(), Zero);
+    scalarField mSumPhim(psiIf.size(), Zero);
 
     forAll(phiCorrIf, facei)
     {
diff --git a/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoAdvection/isoAdvection.C b/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoAdvection/isoAdvection.C
index 91b8cf92a4..ac7667e663 100644
--- a/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoAdvection/isoAdvection.C
+++ b/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoAdvection/isoAdvection.C
@@ -413,14 +413,14 @@ void Foam::isoAdvection::normaliseAndSmooth
 
     vectorField& cellNIn = cellN.primitiveFieldRef();
     cellNIn /= (mag(cellNIn) + SMALL);
-    vectorField vertexN(mesh_.nPoints(), vector::zero);
+    vectorField vertexN(mesh_.nPoints(), Zero);
     vertexN = volPointInterpolation::New(mesh_).interpolate(cellN);
     vertexN /= (mag(vertexN) + SMALL);
     // Interpolate vertex normals back to cells
     forAll(cellNIn, celli)
     {
         const labelList& cp = cellPoints[celli];
-        vector cellNi = vector::zero;
+        vector cellNi(Zero);
         const point& cellCentre = cellCentres[celli];
         forAll(cp, pointI)
         {
diff --git a/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutCell/isoCutCell.C b/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutCell/isoCutCell.C
index 7bd47b8991..a17779efc0 100644
--- a/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutCell/isoCutCell.C
+++ b/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutCell/isoCutCell.C
@@ -51,9 +51,9 @@ Foam::isoCutCell::isoCutCell(const fvMesh& mesh, scalarField& f)
     isoCutFaceAreas_(10),
     isoFaceEdges_(10),
     isoFacePoints_(10),
-    isoFaceCentre_(vector::zero),
-    isoFaceArea_(vector::zero),
-    subCellCentre_(vector::zero),
+    isoFaceCentre_(Zero),
+    isoFaceArea_(Zero),
+    subCellCentre_(Zero),
     subCellVolume_(-10),
     VOF_(-10),
     fullySubFaces_(10),
@@ -190,8 +190,8 @@ void Foam::isoCutCell::calcSubCellCentreAndVolume()
 void Foam::isoCutCell::calcIsoFaceCentreAndArea()
 {
     // Initial guess of face centre from edge points
-    point fCentre = vector::zero;
-    label nEdgePoints = 0;
+    point fCentre(Zero);
+    label nEdgePoints(0);
     forAll(isoFaceEdges_, ei)
     {
         DynamicList<point>& edgePoints = isoFaceEdges_[ei];
@@ -211,9 +211,9 @@ void Foam::isoCutCell::calcIsoFaceCentreAndArea()
         DebugPout << "Warning: nEdgePoints = 0 for cell " << cellI_ << endl;
     }
 
-    vector sumN = vector::zero;
-    scalar sumA = 0;
-    vector sumAc = vector::zero;
+    vector sumN(Zero);
+    scalar sumA(0);
+    vector sumAc(Zero);
 
     forAll(isoFaceEdges_, ei)
     {
diff --git a/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutFace/isoCutFace.C b/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutFace/isoCutFace.C
index 62a6ed602a..9bca4c3f63 100644
--- a/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutFace/isoCutFace.C
+++ b/src/finiteVolume/fvMatrices/solvers/isoAdvection/isoCutFace/isoCutFace.C
@@ -47,8 +47,8 @@ Foam::isoCutFace::isoCutFace
     lastEdgeCut_(-1),
     firstFullySubmergedPoint_(-1),
     nFullySubmergedPoints_(0),
-    subFaceCentre_(vector::zero),
-    subFaceArea_(vector::zero),
+    subFaceCentre_(Zero),
+    subFaceArea_(Zero),
     subFacePoints_(10),
     surfacePoints_(4),
     subFaceCentreAndAreaIsCalculated_(false)
@@ -77,9 +77,9 @@ void Foam::isoCutFace::calcSubFaceCentreAndArea()
     }
     else if (nPoints > 0)
     {
-        vector sumN = vector::zero;
-        scalar sumA = 0.0;
-        vector sumAc = vector::zero;
+        vector sumN(Zero);
+        scalar sumA(0.0);
+        vector sumAc(Zero);
         const point fCentre = sum(subFacePoints_)/scalar(nPoints);
 
         for (label pi = 0; pi < nPoints; pi++)
@@ -731,7 +731,7 @@ void Foam::isoCutFace::quadAreaCoeffs
 
         const scalar Bx = mag(B - A);
 
-        vector xhat(vector::zero);
+        vector xhat(Zero);
         if (Bx > 10*SMALL)
         {
             // If |AB| > 0 ABCD we use AB to define xhat
diff --git a/src/finiteVolume/fvMesh/fvMeshMapper/fvSurfaceMapper.C b/src/finiteVolume/fvMesh/fvMeshMapper/fvSurfaceMapper.C
index 0872af5dc9..0551f8f971 100644
--- a/src/finiteVolume/fvMesh/fvMeshMapper/fvSurfaceMapper.C
+++ b/src/finiteVolume/fvMesh/fvMeshMapper/fvSurfaceMapper.C
@@ -94,8 +94,8 @@ void Foam::fvSurfaceMapper::calcAddressing() const
         {
             if (max(addr[facei]) >= oldNInternal)
             {
-                addr[facei] = labelList(1, label(0));
-                w[facei] = scalarList(1, 1.0);
+                addr[facei] = labelList(1, Zero);
+                w[facei] = scalarList(1, scalar(1));
             }
         }
     }
diff --git a/src/finiteVolume/fvMesh/simplifiedFvMesh/columnFvMesh/columnFvMesh.C b/src/finiteVolume/fvMesh/simplifiedFvMesh/columnFvMesh/columnFvMesh.C
index 67cc8c22f1..6af42518bc 100644
--- a/src/finiteVolume/fvMesh/simplifiedFvMesh/columnFvMesh/columnFvMesh.C
+++ b/src/finiteVolume/fvMesh/simplifiedFvMesh/columnFvMesh/columnFvMesh.C
@@ -211,7 +211,7 @@ void Foam::simplifiedMeshes::columnFvMeshInfo::initialise(const Time& runTime)
         scalar dxi = 0;
         scalar dyi = 0;
         scalar dzi = 0;
-        point origin(point::zero);
+        point origin(Zero);
 
         if (pointsIO.typeHeaderOk<vectorIOField>(true))
         {
diff --git a/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C b/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C
index d8d5b72fa5..eb008b47c5 100644
--- a/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C
+++ b/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C
@@ -43,7 +43,7 @@ void Foam::singleCellFvMesh::agglomerateMesh
     const polyBoundaryMesh& oldPatches = mesh.boundaryMesh();
 
     // Check agglomeration within patch face range and continuous
-    labelList nAgglom(oldPatches.size(), 0);
+    labelList nAgglom(oldPatches.size(), Zero);
 
     forAll(oldPatches, patchi)
     {
diff --git a/src/finiteVolume/interpolation/surfaceInterpolation/schemes/FitData/FitData.C b/src/finiteVolume/interpolation/surfaceInterpolation/schemes/FitData/FitData.C
index d157e4478c..89a5de3e4c 100644
--- a/src/finiteVolume/interpolation/surfaceInterpolation/schemes/FitData/FitData.C
+++ b/src/finiteVolume/interpolation/surfaceInterpolation/schemes/FitData/FitData.C
@@ -161,7 +161,7 @@ void Foam::FitData<FitDataType, ExtendedStencil, Polynomial>::calcFit
     scalar scale = 1;
 
     // Matrix of the polynomial components
-    scalarRectangularMatrix B(C.size(), minSize_, scalar(0));
+    scalarRectangularMatrix B(C.size(), minSize_, Zero);
 
     forAll(C, ip)
     {
diff --git a/src/finiteVolume/interpolation/volPointInterpolation/volPointInterpolate.C b/src/finiteVolume/interpolation/volPointInterpolation/volPointInterpolate.C
index 0139613742..5711d9803c 100644
--- a/src/finiteVolume/interpolation/volPointInterpolation/volPointInterpolate.C
+++ b/src/finiteVolume/interpolation/volPointInterpolation/volPointInterpolate.C
@@ -187,7 +187,7 @@ void Foam::volPointInterpolation::interpolateDimensionedInternalField
     // then saves on space.
 
     // Multiply volField by weighting factor matrix to create pointField
-    scalarField sumW(points.size(), 0.0);
+    scalarField sumW(points.size(), Zero);
     forAll(pointCells, pointi)
     {
         const labelList& ppc = pointCells[pointi];
diff --git a/src/functionObjects/field/extractEulerianParticles/eulerianParticle/eulerianParticle.C b/src/functionObjects/field/extractEulerianParticles/eulerianParticle/eulerianParticle.C
index 49c2b61433..83100e7d30 100644
--- a/src/functionObjects/field/extractEulerianParticles/eulerianParticle/eulerianParticle.C
+++ b/src/functionObjects/field/extractEulerianParticles/eulerianParticle/eulerianParticle.C
@@ -33,8 +33,8 @@ using namespace Foam::constant;
 Foam::functionObjects::eulerianParticle::eulerianParticle()
 :
     faceIHit(-1),
-    VC(vector::zero),
-    VU(vector::zero),
+    VC(Zero),
+    VU(Zero),
     V(0),
     time(0)
 {}
diff --git a/src/functionObjects/field/fluxSummary/fluxSummary.C b/src/functionObjects/field/fluxSummary/fluxSummary.C
index 9de8b634dd..48c8bc6bfa 100644
--- a/src/functionObjects/field/fluxSummary/fluxSummary.C
+++ b/src/functionObjects/field/fluxSummary/fluxSummary.C
@@ -721,8 +721,8 @@ bool Foam::functionObjects::fluxSummary::surfaceModeWrite()
 
         const boolList& flips = faceFlip_[surfi];
 
-        scalar phiPos = scalar(0);
-        scalar phiNeg = scalar(0);
+        scalar phiPos(0);
+        scalar phiNeg(0);
 
         tmp<scalarField> tphis = phi & s.Sf();
         const scalarField& phis = tphis();
@@ -1047,9 +1047,9 @@ bool Foam::functionObjects::fluxSummary::write()
         const labelList& facePatchID = facePatchID_[zonei];
         const boolList&  faceFlips = faceFlip_[zonei];
 
-        scalar phiPos = scalar(0);
-        scalar phiNeg = scalar(0);
-        scalar phif = scalar(0);
+        scalar phiPos(0);
+        scalar phiNeg(0);
+        scalar phif(0);
 
         forAll(faceID, i)
         {
diff --git a/src/functionObjects/field/heatTransferCoeff/heatTransferCoeffModels/ReynoldsAnalogy/ReynoldsAnalogy.C b/src/functionObjects/field/heatTransferCoeff/heatTransferCoeffModels/ReynoldsAnalogy/ReynoldsAnalogy.C
index 2c5de30fbe..cb96e187cc 100644
--- a/src/functionObjects/field/heatTransferCoeff/heatTransferCoeffModels/ReynoldsAnalogy/ReynoldsAnalogy.C
+++ b/src/functionObjects/field/heatTransferCoeff/heatTransferCoeffModels/ReynoldsAnalogy/ReynoldsAnalogy.C
@@ -169,7 +169,7 @@ Foam::heatTransferCoeffModels::ReynoldsAnalogy::Cf() const
 
     forAll(Cf, patchi)
     {
-        Cf.set(patchi, new Field<scalar>(Ubf[patchi].size(), 0));
+        Cf.set(patchi, new Field<scalar>(Ubf[patchi].size(), Zero));
     }
 
     const volSymmTensorField R(devReff());
@@ -203,7 +203,7 @@ Foam::heatTransferCoeffModels::ReynoldsAnalogy::ReynoldsAnalogy
 :
     heatTransferCoeffModel(dict, mesh, TName),
     UName_("U"),
-    URef_(vector::zero),
+    URef_(Zero),
     rhoName_("rho"),
     rhoRef_(0.0),
     CpName_("Cp"),
diff --git a/src/functionObjects/field/histogram/histogram.C b/src/functionObjects/field/histogram/histogram.C
index 1f2ad880b3..5043fb2c27 100644
--- a/src/functionObjects/field/histogram/histogram.C
+++ b/src/functionObjects/field/histogram/histogram.C
@@ -193,8 +193,8 @@ bool Foam::functionObjects::histogram::write()
         x += delta;
     }
 
-    scalarField dataNormalized(nBins_, 0);
-    labelField dataCount(nBins_, 0);
+    scalarField dataNormalized(nBins_, Zero);
+    labelField dataCount(nBins_, Zero);
     const scalarField& V = mesh_.V();
 
     forAll(field, celli)
diff --git a/src/functionObjects/field/pressure/pressure.C b/src/functionObjects/field/pressure/pressure.C
index d25391cb54..316deefd68 100644
--- a/src/functionObjects/field/pressure/pressure.C
+++ b/src/functionObjects/field/pressure/pressure.C
@@ -255,7 +255,7 @@ bool Foam::functionObjects::pressure::read(const dictionary& dict)
     dict.readEntry("calcTotal", calcTotal_);
     if (calcTotal_)
     {
-        pRef_ = dict.lookupOrDefault<scalar>("pRef", 0.0);
+        pRef_ = dict.lookupOrDefault<scalar>("pRef", 0);
     }
 
     dict.readEntry("calcCoeff", calcCoeff_);
diff --git a/src/functionObjects/field/reference/reference.C b/src/functionObjects/field/reference/reference.C
index de343b37a2..31105f7c18 100644
--- a/src/functionObjects/field/reference/reference.C
+++ b/src/functionObjects/field/reference/reference.C
@@ -74,7 +74,7 @@ Foam::functionObjects::reference::reference
 :
     fieldExpression(name, runTime, dict),
     localDict_(dict),
-    position_(point::zero),
+    position_(Zero),
     positionIsSet_(false),
     celli_(-1),
     interpolationScheme_("cell"),
diff --git a/src/functionObjects/field/regionSizeDistribution/regionSizeDistribution.C b/src/functionObjects/field/regionSizeDistribution/regionSizeDistribution.C
index ef509267b8..c3b91b925d 100644
--- a/src/functionObjects/field/regionSizeDistribution/regionSizeDistribution.C
+++ b/src/functionObjects/field/regionSizeDistribution/regionSizeDistribution.C
@@ -239,7 +239,7 @@ void Foam::functionObjects::regionSizeDistribution::writeGraphs
     if (Pstream::master())
     {
         // Calculate per-bin average
-        scalarField binSum(nBins_, 0.0);
+        scalarField binSum(nBins_, Zero);
         forAll(sortedField, i)
         {
             binSum[indices[i]] += sortedField[i];
@@ -248,7 +248,7 @@ void Foam::functionObjects::regionSizeDistribution::writeGraphs
         scalarField binAvg(divide(binSum, binCount));
 
         // Per bin deviation
-        scalarField binSqrSum(nBins_, 0.0);
+        scalarField binSqrSum(nBins_, Zero);
         forAll(sortedField, i)
         {
             binSqrSum[indices[i]] += Foam::sqr(sortedField[i]);
@@ -694,7 +694,7 @@ bool Foam::functionObjects::regionSizeDistribution::write()
             )
         );
 
-        vectorField centroids(sortedVols.size(), vector::zero);
+        vectorField centroids(sortedVols.size(), Zero);
 
         // Check if downstream bins are calculated
         if (isoPlanes_)
@@ -748,7 +748,7 @@ bool Foam::functionObjects::regionSizeDistribution::write()
                 }
             }
 
-            scalarField binDownCount(nDownstreamBins_, 0.0);
+            scalarField binDownCount(nDownstreamBins_, Zero);
             forAll(distToPlane, i)
             {
                 if (downstreamIndices[i] != -1)
@@ -815,7 +815,7 @@ bool Foam::functionObjects::regionSizeDistribution::write()
         }
 
         // Calculate the counts per diameter bin
-        scalarField binCount(nBins_, 0.0);
+        scalarField binCount(nBins_, Zero);
         forAll(sortedDiameters, i)
         {
             binCount[indices[i]] += 1.0;
diff --git a/src/functionObjects/field/setFlow/setFlow.C b/src/functionObjects/field/setFlow/setFlow.C
index c294d216fb..c9e3e26496 100644
--- a/src/functionObjects/field/setFlow/setFlow.C
+++ b/src/functionObjects/field/setFlow/setFlow.C
@@ -115,7 +115,7 @@ Foam::functionObjects::setFlow::setFlow
     mode_(modeType::FUNCTION),
     reverseTime_(VGREAT),
     scalePtr_(nullptr),
-    origin_(vector::zero),
+    origin_(Zero),
     R_(tensor::I),
     omegaPtr_(nullptr),
     velocityPtr_(nullptr)
diff --git a/src/functionObjects/field/stabilityBlendingFactor/stabilityBlendingFactor.C b/src/functionObjects/field/stabilityBlendingFactor/stabilityBlendingFactor.C
index 1e0967cdb1..e1f8360180 100644
--- a/src/functionObjects/field/stabilityBlendingFactor/stabilityBlendingFactor.C
+++ b/src/functionObjects/field/stabilityBlendingFactor/stabilityBlendingFactor.C
@@ -492,10 +492,10 @@ Foam::functionObjects::stabilityBlendingFactor::stabilityBlendingFactor
     ),
 
     tolerance_(0.001),
-    error_(mesh_.nCells(), 0.0),
-    errorIntegral_(mesh_.nCells(), 0.0),
-    oldError_(mesh_.nCells(), 0.0),
-    oldErrorIntegral_(mesh_.nCells(), 0.0),
+    error_(mesh_.nCells(), Zero),
+    errorIntegral_(mesh_.nCells(), Zero),
+    oldError_(mesh_.nCells(), Zero),
+    oldErrorIntegral_(mesh_.nCells(), Zero),
     P_(dict.lookupOrDefault<scalar>("P", 3)),
     I_(dict.lookupOrDefault<scalar>("I", 0.0)),
     D_(dict.lookupOrDefault<scalar>("D", 0.25))
diff --git a/src/functionObjects/forces/forces/forces.C b/src/functionObjects/forces/forces/forces.C
index ece9acc17d..1fea138af4 100644
--- a/src/functionObjects/forces/forces/forces.C
+++ b/src/functionObjects/forces/forces/forces.C
@@ -847,7 +847,7 @@ bool Foam::functionObjects::forces::read(const dictionary& dict)
         }
 
         // Reference pressure, 0 by default
-        pRef_ = dict.lookupOrDefault<scalar>("pRef", 0.0);
+        pRef_ = dict.lookupOrDefault<scalar>("pRef", 0);
     }
 
     coordSys_.clear();
diff --git a/src/functionObjects/randomProcesses/energySpectrum/energySpectrum.C b/src/functionObjects/randomProcesses/energySpectrum/energySpectrum.C
index 7c19426a6e..3264cfd318 100644
--- a/src/functionObjects/randomProcesses/energySpectrum/energySpectrum.C
+++ b/src/functionObjects/randomProcesses/energySpectrum/energySpectrum.C
@@ -87,7 +87,7 @@ void Foam::functionObjects::energySpectrum::calcAndWriteSpectrum
     }
 
     Log << "Computing energy spectrum" << endl;
-    scalarField E(nMax, 0);
+    scalarField E(nMax, Zero);
     const scalarField Ec(0.5*magSqr(Uf));
     forAll(C, celli)
     {
diff --git a/src/functionObjects/utilities/residuals/residuals.C b/src/functionObjects/utilities/residuals/residuals.C
index a4aa02c51e..bc435c2a41 100644
--- a/src/functionObjects/utilities/residuals/residuals.C
+++ b/src/functionObjects/utilities/residuals/residuals.C
@@ -101,7 +101,7 @@ void Foam::functionObjects::residuals::createField(const word& fieldName)
                     IOobject::NO_READ,
                     IOobject::NO_WRITE
                 ),
-                Field<scalar>(mesh_.nCells(), scalar(0))
+                Field<scalar>(mesh_.nCells(), Zero)
             );
 
         fieldPtr->store();
diff --git a/src/functionObjects/utilities/thermoCoupleProbes/thermoCoupleProbes.C b/src/functionObjects/utilities/thermoCoupleProbes/thermoCoupleProbes.C
index 6b7a1e709d..457660fb36 100644
--- a/src/functionObjects/utilities/thermoCoupleProbes/thermoCoupleProbes.C
+++ b/src/functionObjects/utilities/thermoCoupleProbes/thermoCoupleProbes.C
@@ -103,13 +103,13 @@ void Foam::functionObjects::thermoCoupleProbes::derivatives
     scalarField& dydx
 ) const
 {
-    scalarField G(y.size(), 0.0);
-    scalarField Tc(y.size(), 0.0);
-    scalarField Uc(y.size(), 0.0);
-    scalarField rhoc(y.size(), 0.0);
-    scalarField muc(y.size(), 0.0);
-    scalarField Cpc(y.size(), 0.0);
-    scalarField kappac(y.size(), 0.0);
+    scalarField G(y.size(), Zero);
+    scalarField Tc(y.size(), Zero);
+    scalarField Uc(y.size(), Zero);
+    scalarField rhoc(y.size(), Zero);
+    scalarField muc(y.size(), Zero);
+    scalarField Cpc(y.size(), Zero);
+    scalarField kappac(y.size(), Zero);
 
     if (radiationFieldName_ != "none")
     {
diff --git a/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomerate.C b/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomerate.C
index 479af608a5..8c52ae182f 100644
--- a/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomerate.C
+++ b/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomerate.C
@@ -49,7 +49,7 @@ makeCompactCellFaceAddressingAndFaceWeights
     const labelUList& lowerAddr = fineAddressing.lowerAddr();
 
     // Number of neighbours for each cell
-    labelList nNbrs(nFineCells, 0);
+    labelList nNbrs(nFineCells, Zero);
 
     forAll(upperAddr, facei)
     {
@@ -124,7 +124,7 @@ Foam::tmp<Foam::labelField> Foam::MGridGenGAMGAgglomeration::agglomerate
     );
 
     // agglomeration options.
-    List<int> options(4, 0);
+    List<int> options(4, Zero);
     options[0] = 4;                     // globular agglom
     options[1] = 6;                     // objective F3 and F2
     options[2] = 128;                   // debugging output level
diff --git a/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C b/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C
index 643bd0df19..d7183b20b8 100644
--- a/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C
+++ b/src/fvAgglomerationMethods/MGridGenGamgAgglomeration/MGridGenGAMGAgglomeration.C
@@ -192,7 +192,7 @@ Foam::MGridGenGAMGAgglomeration::MGridGenGAMGAgglomeration
     );
 
     // Create the boundary area cell field
-    scalarField* magSbPtr(new scalarField(fvMesh_.nCells(), 0));
+    scalarField* magSbPtr(new scalarField(fvMesh_.nCells(), Zero));
 
     {
         scalarField& magSb = *magSbPtr;
diff --git a/src/fvMotionSolver/motionInterpolation/patchTransformed/patchTransformedInterpolation.C b/src/fvMotionSolver/motionInterpolation/patchTransformed/patchTransformedInterpolation.C
index 331c73c858..3b691f36d4 100644
--- a/src/fvMotionSolver/motionInterpolation/patchTransformed/patchTransformedInterpolation.C
+++ b/src/fvMotionSolver/motionInterpolation/patchTransformed/patchTransformedInterpolation.C
@@ -124,9 +124,9 @@ void Foam::patchTransformedInterpolation::interpolate
     pointDisplacement.correctBoundaryConditions();
 
     vectorField pointRotation(nPoints, Zero);
-    scalarField pointExpansion(nPoints, scalar(0));
+    scalarField pointExpansion(nPoints, Zero);
 
-    labelList pointDisplacementNSum(nPoints, 0);
+    labelList pointDisplacementNSum(nPoints, Zero);
     vectorField pointDisplacementSum(nPoints, Zero);
 
     forAll(patches_, patchI)
diff --git a/src/fvMotionSolver/pointPatchFields/derived/surfaceDisplacement/surfaceDisplacementPointPatchVectorField.C b/src/fvMotionSolver/pointPatchFields/derived/surfaceDisplacement/surfaceDisplacementPointPatchVectorField.C
index 8924c5b5ef..d5bfd10ea7 100644
--- a/src/fvMotionSolver/pointPatchFields/derived/surfaceDisplacement/surfaceDisplacementPointPatchVectorField.C
+++ b/src/fvMotionSolver/pointPatchFields/derived/surfaceDisplacement/surfaceDisplacementPointPatchVectorField.C
@@ -167,7 +167,7 @@ void Foam::surfaceDisplacementPointPatchVectorField::calcProjection
         }
 
         // Knock out any wedge component
-        scalarField offset(start.size(), 0.0);
+        scalarField offset(start.size(), Zero);
         if (wedgePlane_ >= 0 && wedgePlane_ <= vector::nComponents)
         {
             forAll(offset, i)
diff --git a/src/fvMotionSolver/pointPatchFields/derived/surfaceSlipDisplacement/surfaceSlipDisplacementPointPatchVectorField.C b/src/fvMotionSolver/pointPatchFields/derived/surfaceSlipDisplacement/surfaceSlipDisplacementPointPatchVectorField.C
index 89100524c3..e5a4c29dfb 100644
--- a/src/fvMotionSolver/pointPatchFields/derived/surfaceSlipDisplacement/surfaceSlipDisplacementPointPatchVectorField.C
+++ b/src/fvMotionSolver/pointPatchFields/derived/surfaceSlipDisplacement/surfaceSlipDisplacementPointPatchVectorField.C
@@ -167,7 +167,7 @@ void Foam::surfaceSlipDisplacementPointPatchVectorField::calcProjection
         }
 
         // Knock out any wedge component
-        scalarField offset(start.size(), 0.0);
+        scalarField offset(start.size(), Zero);
         if (wedgePlane_ >= 0 && wedgePlane_ < vector::nComponents)
         {
             forAll(offset, i)
diff --git a/src/fvOptions/sources/derived/directionalPressureGradientExplicitSource/directionalPressureGradientExplicitSource.C b/src/fvOptions/sources/derived/directionalPressureGradientExplicitSource/directionalPressureGradientExplicitSource.C
index 91a3e495a1..593612ed90 100644
--- a/src/fvOptions/sources/derived/directionalPressureGradientExplicitSource/directionalPressureGradientExplicitSource.C
+++ b/src/fvOptions/sources/derived/directionalPressureGradientExplicitSource/directionalPressureGradientExplicitSource.C
@@ -375,7 +375,7 @@ void Foam::fv::directionalPressureGradientExplicitSource::correct
 
     // Accumulate 'upstream' velocity into cells
     vectorField UfCells(cells_.size(), Zero);
-    scalarField UfCellWeights(cells_.size(), 0.0);
+    scalarField UfCellWeights(cells_.size(), Zero);
 
     const polyBoundaryMesh& pbm = mesh_.boundaryMesh();
 
diff --git a/src/fvOptions/sources/derived/effectivenessHeatExchangerSource/effectivenessHeatExchangerSource.C b/src/fvOptions/sources/derived/effectivenessHeatExchangerSource/effectivenessHeatExchangerSource.C
index 27f4bc0e0c..cc9da89fe1 100644
--- a/src/fvOptions/sources/derived/effectivenessHeatExchangerSource/effectivenessHeatExchangerSource.C
+++ b/src/fvOptions/sources/derived/effectivenessHeatExchangerSource/effectivenessHeatExchangerSource.C
@@ -256,7 +256,7 @@ void Foam::fv::effectivenessHeatExchangerSource::addSup
 
     const scalarField TCells(T, cells_);
     scalar Tref = 0;
-    scalarField deltaTCells(cells_.size(), 0);
+    scalarField deltaTCells(cells_.size(), Zero);
     if (Qt > 0)
     {
         Tref = gMax(TCells);
diff --git a/src/lagrangian/DSMC/clouds/Templates/DSMCCloud/DSMCCloud.C b/src/lagrangian/DSMC/clouds/Templates/DSMCCloud/DSMCCloud.C
index 1a3d43b0b3..8cc78a0967 100644
--- a/src/lagrangian/DSMC/clouds/Templates/DSMCCloud/DSMCCloud.C
+++ b/src/lagrangian/DSMC/clouds/Templates/DSMCCloud/DSMCCloud.C
@@ -374,28 +374,16 @@ void Foam::DSMCCloud<ParcelType>::collisions()
 template<class ParcelType>
 void Foam::DSMCCloud<ParcelType>::resetFields()
 {
-    q_ = dimensionedScalar("zero",  dimensionSet(1, 0, -3, 0, 0), 0.0);
+    q_ = dimensionedScalar("0", dimensionSet(1, 0, -3, 0, 0), Zero);
+    fD_ = dimensionedVector("0", dimensionSet(1, -1, -2, 0, 0), Zero);
 
-    fD_ = dimensionedVector
-    (
-        "zero",
-        dimensionSet(1, -1, -2, 0, 0),
-        Zero
-    );
-
-    rhoN_ = dimensionedScalar("zero",  dimensionSet(0, -3, 0, 0, 0), VSMALL);
-    rhoM_ =  dimensionedScalar("zero",  dimensionSet(1, -3, 0, 0, 0), VSMALL);
-    dsmcRhoN_ = dimensionedScalar("zero",  dimensionSet(0, -3, 0, 0, 0), 0.0);
-    linearKE_ = dimensionedScalar("zero",  dimensionSet(1, -1, -2, 0, 0), 0.0);
-    internalE_ = dimensionedScalar("zero",  dimensionSet(1, -1, -2, 0, 0), 0.0);
-    iDof_ = dimensionedScalar("zero",  dimensionSet(0, -3, 0, 0, 0), VSMALL);
-
-    momentum_ = dimensionedVector
-    (
-        "zero",
-        dimensionSet(1, -2, -1, 0, 0),
-        Zero
-    );
+    rhoN_ = dimensionedScalar("0", dimensionSet(0, -3, 0, 0, 0), VSMALL);
+    rhoM_ =  dimensionedScalar("0", dimensionSet(1, -3, 0, 0, 0), VSMALL);
+    dsmcRhoN_ = dimensionedScalar("0", dimensionSet(0, -3, 0, 0, 0), Zero);
+    linearKE_ = dimensionedScalar("0", dimensionSet(1, -1, -2, 0, 0), Zero);
+    internalE_ = dimensionedScalar("0", dimensionSet(1, -1, -2, 0, 0), Zero);
+    iDof_ = dimensionedScalar("0", dimensionSet(0, -3, 0, 0, 0), VSMALL);
+    momentum_ = dimensionedVector("0", dimensionSet(1, -2, -1, 0, 0), Zero);
 }
 
 
@@ -783,7 +771,7 @@ Foam::DSMCCloud<ParcelType>::DSMCCloud
             IOobject::NO_WRITE
         ),
         mesh_,
-        dimensionedScalar("zero", dimensionSet(0, -3, 0, 0, 0), VSMALL)
+        dimensionedScalar("0", dimensionSet(0, -3, 0, 0, 0), VSMALL)
     ),
     rhoM_
     (
@@ -796,7 +784,7 @@ Foam::DSMCCloud<ParcelType>::DSMCCloud
             IOobject::NO_WRITE
         ),
         mesh_,
-        dimensionedScalar("zero", dimensionSet(1, -3, 0, 0, 0), VSMALL)
+        dimensionedScalar("0", dimensionSet(1, -3, 0, 0, 0), VSMALL)
     ),
     dsmcRhoN_
     (
@@ -848,7 +836,7 @@ Foam::DSMCCloud<ParcelType>::DSMCCloud
             IOobject::NO_WRITE
         ),
         mesh_,
-        dimensionedScalar("zero", dimensionSet(0, -3, 0, 0, 0), VSMALL)
+        dimensionedScalar("0", dimensionSet(0, -3, 0, 0, 0), VSMALL)
     ),
     momentum_
     (
diff --git a/src/lagrangian/DSMC/submodels/InflowBoundaryModel/FreeStream/FreeStream.C b/src/lagrangian/DSMC/submodels/InflowBoundaryModel/FreeStream/FreeStream.C
index 12594a53ab..714563bda9 100644
--- a/src/lagrangian/DSMC/submodels/InflowBoundaryModel/FreeStream/FreeStream.C
+++ b/src/lagrangian/DSMC/submodels/InflowBoundaryModel/FreeStream/FreeStream.C
@@ -241,7 +241,7 @@ void Foam::FreeStream<CloudType>::inflow()
             );
 
             // Cumulative triangle area fractions
-            List<scalar> cTriAFracs(faceTets.size(), 0.0);
+            List<scalar> cTriAFracs(faceTets.size(), Zero);
 
             scalar previousCummulativeSum = 0.0;
 
diff --git a/src/lagrangian/basic/Cloud/CloudIO.C b/src/lagrangian/basic/Cloud/CloudIO.C
index 9f600de036..769ecae1f1 100644
--- a/src/lagrangian/basic/Cloud/CloudIO.C
+++ b/src/lagrangian/basic/Cloud/CloudIO.C
@@ -95,7 +95,7 @@ void Foam::Cloud<ParticleType>::writeCloudUniformProperties() const
         )
     );
 
-    labelList np(Pstream::nProcs(), 0);
+    labelList np(Pstream::nProcs(), Zero);
     np[Pstream::myProcNo()] = ParticleType::particleCount_;
 
     Pstream::listCombineGather(np, maxEqOp<label>());
diff --git a/src/lagrangian/basic/InteractionLists/InteractionLists.C b/src/lagrangian/basic/InteractionLists/InteractionLists.C
index 360f2a3cbc..ca8bca6f31 100644
--- a/src/lagrangian/basic/InteractionLists/InteractionLists.C
+++ b/src/lagrangian/basic/InteractionLists/InteractionLists.C
@@ -665,7 +665,7 @@ void Foam::InteractionLists<ParticleType>::findExtendedProcBbsInRange
 
     forAll(allExtendedProcBbs, proci)
     {
-        List<label> permutationIndices(nTrans, 0);
+        labelList permutationIndices(nTrans, Zero);
 
         if (nTrans == 0 && proci != Pstream::myProcNo())
         {
@@ -845,7 +845,7 @@ void Foam::InteractionLists<ParticleType>::buildMap
     // ~~~~~~~~~~~~~~~~~~
 
     // 1. Count
-    labelList nSend(Pstream::nProcs(), 0);
+    labelList nSend(Pstream::nProcs(), Zero);
 
     forAll(toProc, i)
     {
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.C b/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.C
index ed8318074c..f316e47a68 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.C
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.C
@@ -229,7 +229,7 @@ void Foam::ReactingMultiphaseParcel<ParcelType>::calc
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     // Mass transfer due to phase change
-    scalarField dMassPC(YLiquid_.size(), 0.0);
+    scalarField dMassPC(YLiquid_.size(), Zero);
 
     // Molar flux of species emitted from the particle (kmol/m^2/s)
     scalar Ne = 0.0;
@@ -238,7 +238,7 @@ void Foam::ReactingMultiphaseParcel<ParcelType>::calc
     scalar NCpW = 0.0;
 
     // Surface concentrations of emitted species
-    scalarField Cs(composition.carrier().species().size(), 0.0);
+    scalarField Cs(composition.carrier().species().size(), Zero);
 
     // Calc mass and enthalpy transfer due to phase change
     this->calcPhaseChange
@@ -268,7 +268,7 @@ void Foam::ReactingMultiphaseParcel<ParcelType>::calc
     // ~~~~~~~~~~~~~~~~
 
     // Mass transfer due to devolatilisation
-    scalarField dMassDV(YGas_.size(), 0.0);
+    scalarField dMassDV(YGas_.size(), Zero);
 
     // Calc mass and enthalpy transfer due to devolatilisation
     calcDevolatilisation
@@ -297,10 +297,10 @@ void Foam::ReactingMultiphaseParcel<ParcelType>::calc
     // ~~~~~~~~~~~~~~~~~
 
     // Change in carrier phase composition due to surface reactions
-    scalarField dMassSRGas(YGas_.size(), 0.0);
-    scalarField dMassSRLiquid(YLiquid_.size(), 0.0);
-    scalarField dMassSRSolid(YSolid_.size(), 0.0);
-    scalarField dMassSRCarrier(composition.carrier().species().size(), 0.0);
+    scalarField dMassSRGas(YGas_.size(), Zero);
+    scalarField dMassSRLiquid(YLiquid_.size(), Zero);
+    scalarField dMassSRSolid(YSolid_.size(), Zero);
+    scalarField dMassSRCarrier(composition.carrier().species().size(), Zero);
 
     // Calc mass and enthalpy transfer due to surface reactions
     calcSurfaceReactions
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C
index 99a8679d73..f2b6b85ed6 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.C
@@ -429,7 +429,7 @@ void Foam::ReactingParcel<ParcelType>::calc
     // ~~~~~~~~~~~~
 
     // Mass transfer due to phase change
-    scalarField dMassPC(Y_.size(), 0.0);
+    scalarField dMassPC(Y_.size(), Zero);
 
     // Molar flux of species emitted from the particle (kmol/m^2/s)
     scalar Ne = 0.0;
@@ -438,7 +438,7 @@ void Foam::ReactingParcel<ParcelType>::calc
     scalar NCpW = 0.0;
 
     // Surface concentrations of emitted species
-    scalarField Cs(composition.carrier().species().size(), 0.0);
+    scalarField Cs(composition.carrier().species().size(), Zero);
 
     // Calc mass and enthalpy transfer due to phase change
     calcPhaseChange
diff --git a/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchCollisionDensity/PatchCollisionDensity.C b/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchCollisionDensity/PatchCollisionDensity.C
index 111ffcbedf..70d0b1cbd1 100644
--- a/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchCollisionDensity/PatchCollisionDensity.C
+++ b/src/lagrangian/intermediate/submodels/CloudFunctionObjects/PatchCollisionDensity/PatchCollisionDensity.C
@@ -34,7 +34,7 @@ License
 template<class CloudType>
 void Foam::PatchCollisionDensity<CloudType>::write()
 {
-    const scalarField z(this->owner().mesh().nCells(), 0);
+    const scalarField z(this->owner().mesh().nCells(), Zero);
 
     volScalarField
     (
diff --git a/src/lagrangian/intermediate/submodels/ForceTypes/ParticleForceList/ParticleForceList.C b/src/lagrangian/intermediate/submodels/ForceTypes/ParticleForceList/ParticleForceList.C
index 861428c000..c32de6d418 100644
--- a/src/lagrangian/intermediate/submodels/ForceTypes/ParticleForceList/ParticleForceList.C
+++ b/src/lagrangian/intermediate/submodels/ForceTypes/ParticleForceList/ParticleForceList.C
@@ -153,7 +153,7 @@ Foam::forceSuSp Foam::ParticleForceList<CloudType>::calcCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     if (calcCoupled_)
     {
@@ -178,7 +178,7 @@ Foam::forceSuSp Foam::ParticleForceList<CloudType>::calcNonCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     if (calcNonCoupled_)
     {
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/CellZoneInjection/CellZoneInjection.C b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/CellZoneInjection/CellZoneInjection.C
index c2e998c6f5..d64b8f2838 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/CellZoneInjection/CellZoneInjection.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/CellZoneInjection/CellZoneInjection.C
@@ -73,7 +73,7 @@ void Foam::CellZoneInjection<CloudType>::setPositions
             polyMeshTetDecomposition::cellTetIndices(mesh, celli);
 
         // Construct cell tet volume fractions
-        scalarList cTetVFrac(cellTetIs.size(), 0.0);
+        scalarList cTetVFrac(cellTetIs.size(), Zero);
         for (label tetI = 1; tetI < cellTetIs.size() - 1; tetI++)
         {
             cTetVFrac[tetI] =
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/ConeNozzleInjection/ConeNozzleInjection.C b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/ConeNozzleInjection/ConeNozzleInjection.C
index c3e53ca67c..60fd81c6c5 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/ConeNozzleInjection/ConeNozzleInjection.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/ConeNozzleInjection/ConeNozzleInjection.C
@@ -136,7 +136,7 @@ Foam::ConeNozzleInjection<CloudType>::ConeNozzleInjection
     innerDiameter_(this->coeffDict().getScalar("innerDiameter")),
     duration_(this->coeffDict().getScalar("duration")),
     positionVsTime_(owner.db().time(), "position"),
-    position_(vector::zero),
+    position_(Zero),
     injectorCell_(-1),
     tetFacei_(-1),
     tetPti_(-1),
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C
index 8a8a1ab11f..bf849cc25e 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/PatchInjection/patchInjectionBase.C
@@ -47,7 +47,7 @@ Foam::patchInjectionBase::patchInjectionBase
     triFace_(),
     triToFace_(),
     triCumulativeMagSf_(),
-    sumTriMagSf_(Pstream::nProcs() + 1, 0.0)
+    sumTriMagSf_(Pstream::nProcs() + 1, Zero)
 {
     if (patchId_ < 0)
     {
@@ -222,7 +222,7 @@ void Foam::patchInjectionBase::setPositionAndCell
                     polyMeshTetDecomposition::cellTetIndices(mesh, cellOwner);
 
                 // Construct cell tet volume fractions
-                scalarList cTetVFrac(cellTetIs.size(), 0.0);
+                scalarList cTetVFrac(cellTetIs.size(), Zero);
                 for (label teti=1; teti<cellTetIs.size()-1; teti++)
                 {
                     cTetVFrac[teti] =
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/DistortedSphereDrag/DistortedSphereDragForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/DistortedSphereDrag/DistortedSphereDragForce.C
index fc0e07454b..57ce2a277b 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/DistortedSphereDrag/DistortedSphereDragForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/DistortedSphereDrag/DistortedSphereDragForce.C
@@ -88,7 +88,7 @@ Foam::forceSuSp Foam::DistortedSphereDragForce<CloudType>::calcCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     // Limit the drop distortion to y=0 (sphere) and y=1 (disk)
     scalar y = min(max(p.y(), 0), 1);
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/NonSphereDrag/NonSphereDragForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/NonSphereDrag/NonSphereDragForce.C
index bc6ee8c402..52bafcbda4 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/NonSphereDrag/NonSphereDragForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/NonSphereDrag/NonSphereDragForce.C
@@ -96,7 +96,7 @@ Foam::forceSuSp Foam::NonSphereDragForce<CloudType>::calcCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     value.Sp() = mass*0.75*muc*CdRe(Re)/(p.rho()*sqr(p.d()));
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/SphereDrag/SphereDragForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/SphereDrag/SphereDragForce.C
index 00f0b621b1..c0fef0bcf2 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/SphereDrag/SphereDragForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Drag/SphereDrag/SphereDragForce.C
@@ -85,7 +85,7 @@ Foam::forceSuSp Foam::SphereDragForce<CloudType>::calcCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     value.Sp() = mass*0.75*muc*CdRe(Re)/(p.rho()*sqr(p.d()));
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Gravity/GravityForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Gravity/GravityForce.C
index d73a78b249..680c378199 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Gravity/GravityForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Gravity/GravityForce.C
@@ -68,7 +68,7 @@ Foam::forceSuSp Foam::GravityForce<CloudType>::calcNonCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     value.Su() = mass*g_*(1.0 - td.rhoc()/p.rho());
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Interface/InterfaceForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Interface/InterfaceForce.C
index 64bf5dcfb8..240a3c2f03 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Interface/InterfaceForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Interface/InterfaceForce.C
@@ -121,7 +121,7 @@ Foam::forceSuSp Foam::InterfaceForce<CloudType>::calcNonCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(vector::zero, 0.0);
+    forceSuSp value(Zero);
 
     const interpolation<vector>& interp = gradInterForceInterpPtr_();
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Lift/LiftForce/LiftForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Lift/LiftForce/LiftForce.C
index ed757e32d6..f03839b060 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Lift/LiftForce/LiftForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Lift/LiftForce/LiftForce.C
@@ -136,7 +136,7 @@ Foam::forceSuSp Foam::LiftForce<CloudType>::calcCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     vector curlUc =
         curlUcInterp().interpolate(p.coordinates(), p.currentTetIndices());
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/NonInertialFrame/NonInertialFrameForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/NonInertialFrame/NonInertialFrameForce.C
index dec9a71663..603d8bcf38 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/NonInertialFrame/NonInertialFrameForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/NonInertialFrame/NonInertialFrameForce.C
@@ -188,7 +188,7 @@ Foam::forceSuSp Foam::NonInertialFrameForce<CloudType>::calcNonCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     const vector r = p.position() - centreOfRotation_;
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Paramagnetic/ParamagneticForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Paramagnetic/ParamagneticForce.C
index 584d798f61..702a74b943 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Paramagnetic/ParamagneticForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/Paramagnetic/ParamagneticForce.C
@@ -104,7 +104,7 @@ Foam::forceSuSp Foam::ParamagneticForce<CloudType>::calcNonCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     const interpolation<vector>& HdotGradHInterp = *HdotGradHInterpPtr_;
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/PressureGradient/PressureGradientForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/PressureGradient/PressureGradientForce.C
index b84811e98e..ff0c0b7cfd 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/PressureGradient/PressureGradientForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/PressureGradient/PressureGradientForce.C
@@ -126,7 +126,7 @@ Foam::forceSuSp Foam::PressureGradientForce<CloudType>::calcCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     vector DUcDt =
         DUcDtInterp().interpolate(p.coordinates(), p.currentTetIndices());
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/SRF/SRFForce.C b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/SRF/SRFForce.C
index 6ffa34dd69..f3912c1a30 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/SRF/SRFForce.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/SRF/SRFForce.C
@@ -87,7 +87,7 @@ Foam::forceSuSp Foam::SRFForce<CloudType>::calcNonCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     const typename SRF::SRFModel& srf = *srfPtr_;
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSp.H b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSp.H
index df57b2ff4f..44f5f8fe85 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSp.H
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSp.H
@@ -41,14 +41,14 @@ SourceFiles
 #define forceSuSp_H
 
 #include "Tuple2.H"
+#include "vector.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 namespace Foam
 {
 
-// Forward declaration of friend functions
-
+// Forward declarations
 class forceSuSp;
 
 inline forceSuSp operator+(const forceSuSp& susp1, const forceSuSp& susp2);
@@ -71,6 +71,9 @@ public:
         //- Construct null
         inline forceSuSp();
 
+        //- Construct zero-initialized content
+        inline forceSuSp(const zero);
+
         //- Construct given Tuple2
         inline forceSuSp(const Tuple2<vector, scalar>& susp);
 
@@ -78,7 +81,7 @@ public:
         inline forceSuSp(const vector& Su, const scalar Sp);
 
         //- Construct from Istream
-        inline forceSuSp(Istream&);
+        inline forceSuSp(Istream& is);
 
 
     // Member Functions
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSpI.H b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSpI.H
index e9919fde4d..99f449c712 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSpI.H
+++ b/src/lagrangian/intermediate/submodels/Kinematic/ParticleForces/forceSuSp/forceSuSpI.H
@@ -29,6 +29,12 @@ inline Foam::forceSuSp::forceSuSp()
 {}
 
 
+inline Foam::forceSuSp::forceSuSp(const zero)
+:
+    Tuple2<vector, scalar>(vector::zero, 0.0)
+{}
+
+
 inline Foam::forceSuSp::forceSuSp
 (
     const Tuple2<vector, scalar>& fs
diff --git a/src/lagrangian/intermediate/submodels/MPPIC/AveragingMethods/AveragingMethod/AveragingMethod.C b/src/lagrangian/intermediate/submodels/MPPIC/AveragingMethods/AveragingMethod/AveragingMethod.C
index a0833769ce..86c0f26bf9 100644
--- a/src/lagrangian/intermediate/submodels/MPPIC/AveragingMethods/AveragingMethod/AveragingMethod.C
+++ b/src/lagrangian/intermediate/submodels/MPPIC/AveragingMethods/AveragingMethod/AveragingMethod.C
@@ -139,7 +139,7 @@ bool Foam::AveragingMethod<Type>::write(const bool valid) const
     const pointMesh pointMesh_(mesh_);
 
     // point volumes
-    Field<scalar> pointVolume(mesh_.nPoints(), 0);
+    Field<scalar> pointVolume(mesh_.nPoints(), Zero);
 
     // output fields
     GeometricField<Type, fvPatchField, volMesh> cellValue
diff --git a/src/lagrangian/molecularDynamics/molecularMeasurements/correlationFunction/correlationFunction.C b/src/lagrangian/molecularDynamics/molecularMeasurements/correlationFunction/correlationFunction.C
index e616619ddd..d9d10bf729 100644
--- a/src/lagrangian/molecularDynamics/molecularMeasurements/correlationFunction/correlationFunction.C
+++ b/src/lagrangian/molecularDynamics/molecularMeasurements/correlationFunction/correlationFunction.C
@@ -140,7 +140,7 @@ void Foam::correlationFunction<Type>::calculateCorrelationFunction
             << abort(FatalError);
     }
 
-    List<scalar> cFSums(nBuffers(),0.0);
+    List<scalar> cFSums(nBuffers(), Zero);
 
     forAll(tZeroBuffers_, tZB)
     {
diff --git a/src/lagrangian/molecularDynamics/molecule/mdTools/averageMDFields.H b/src/lagrangian/molecularDynamics/molecule/mdTools/averageMDFields.H
index 0546f30259..72a2545f07 100644
--- a/src/lagrangian/molecularDynamics/molecule/mdTools/averageMDFields.H
+++ b/src/lagrangian/molecularDynamics/molecule/mdTools/averageMDFields.H
@@ -4,7 +4,7 @@ if (runTime.writeTime())
         Number density
     \*-----------------------------------------------------------------------*/
 
-    scalarField totalRhoN_sum(mesh.nCells(), 0.0);
+    scalarField totalRhoN_sum(mesh.nCells(), Zero);
 
     forAll(allSpeciesRhoN, rN)
     {
@@ -23,7 +23,7 @@ if (runTime.writeTime())
         Mass density
     \*-----------------------------------------------------------------------*/
 
-    scalarField totalRhoM_sum(mesh.nCells(), 0.0);
+    scalarField totalRhoM_sum(mesh.nCells(), Zero);
 
     forAll(allSpeciesRhoM, rM)
     {
@@ -43,7 +43,7 @@ if (runTime.writeTime())
 
     vectorField totalMomentum_sum(mesh.nCells(), Zero);
 
-    scalarField totalMass_sum(mesh.nCells(), 0.0);
+    scalarField totalMass_sum(mesh.nCells(), Zero);
 
     forAll(allSpeciesVelocity, v)
     {
@@ -94,9 +94,9 @@ if (runTime.writeTime())
         Kinetic temperature
     \*-----------------------------------------------------------------------*/
 
-    scalarField totalTemperatureVTerms_sum(mesh.nCells(), 0.0);
+    scalarField totalTemperatureVTerms_sum(mesh.nCells(), Zero);
 
-    scalarField totalN_sum(mesh.nCells(), 0.0);
+    scalarField totalN_sum(mesh.nCells(), Zero);
 
     forAll(allSpeciesTemperature, t)
     {
@@ -170,7 +170,7 @@ if (runTime.writeTime())
         Mean kinetic energy
     \*-----------------------------------------------------------------------*/
 
-    scalarField totalKE_sum(mesh.nCells(), 0.0);
+    scalarField totalKE_sum(mesh.nCells(), Zero);
 
     forAll(allSpeciesMeanKE, mKE)
     {
diff --git a/src/lagrangian/molecularDynamics/molecule/mdTools/createMDFields.H b/src/lagrangian/molecularDynamics/molecule/mdTools/createMDFields.H
index 4078838e21..d33c360937 100644
--- a/src/lagrangian/molecularDynamics/molecule/mdTools/createMDFields.H
+++ b/src/lagrangian/molecularDynamics/molecule/mdTools/createMDFields.H
@@ -3,13 +3,13 @@
 List<scalarField> allSpeciesN_RU
 (
     molecules.potential().nIds(),
-    scalarField(mesh.nCells(), 0.0)
+    scalarField(mesh.nCells(), Zero)
 );
 
 List<scalarField> allSpeciesM_RU
 (
     molecules.potential().nIds(),
-    scalarField(mesh.nCells(), 0.0)
+    scalarField(mesh.nCells(), Zero)
 );
 
 List<vectorField> allSpeciesVelocitySum_RU
@@ -21,7 +21,7 @@ List<vectorField> allSpeciesVelocitySum_RU
 List<scalarField> allSpeciesVelocityMagSquaredSum_RU
 (
     molecules.potential().nIds(),
-    scalarField(mesh.nCells(), 0.0)
+    scalarField(mesh.nCells(), Zero)
 );
 
 // Geometric Fields for IO
diff --git a/src/lagrangian/molecularDynamics/molecule/mdTools/resetMDFields.H b/src/lagrangian/molecularDynamics/molecule/mdTools/resetMDFields.H
index 53aaa8f7a3..6fdcf40b24 100644
--- a/src/lagrangian/molecularDynamics/molecule/mdTools/resetMDFields.H
+++ b/src/lagrangian/molecularDynamics/molecule/mdTools/resetMDFields.H
@@ -3,13 +3,13 @@ if (runTime.writeTime())
     allSpeciesN_RU = List<scalarField>
     (
         molecules.potential().nIds(),
-        scalarField(mesh.nCells(), 0.0)
+        scalarField(mesh.nCells(), Zero)
     );
 
     allSpeciesM_RU = List<scalarField>
     (
         molecules.potential().nIds(),
-        scalarField(mesh.nCells(), 0.0)
+        scalarField(mesh.nCells(), Zero)
     );
 
     allSpeciesVelocitySum_RU = List<vectorField>
@@ -21,6 +21,6 @@ if (runTime.writeTime())
     allSpeciesVelocityMagSquaredSum_RU = List<scalarField>
     (
         molecules.potential().nIds(),
-        scalarField(mesh.nCells(), 0.0)
+        scalarField(mesh.nCells(), Zero)
     );
 }
diff --git a/src/lagrangian/spray/clouds/Templates/SprayCloud/SprayCloudI.H b/src/lagrangian/spray/clouds/Templates/SprayCloud/SprayCloudI.H
index 077e50bf9d..0c10abf48a 100644
--- a/src/lagrangian/spray/clouds/Templates/SprayCloud/SprayCloudI.H
+++ b/src/lagrangian/spray/clouds/Templates/SprayCloud/SprayCloudI.H
@@ -129,8 +129,8 @@ inline Foam::scalar Foam::SprayCloud<CloudType>::penetration
     if (Pstream::master())
     {
         // flatten the mass lists
-        List<scalar> allMass(nParcelSum, 0.0);
-        SortableList<scalar> allDist(nParcelSum, 0.0);
+        List<scalar> allMass(nParcelSum, Zero);
+        SortableList<scalar> allDist(nParcelSum, Zero);
         for (label proci = 0; proci < Pstream::nProcs(); proci++)
         {
             SubList<scalar>
diff --git a/src/lagrangian/spray/submodels/BreakupModel/BreakupModel/BreakupModel.C b/src/lagrangian/spray/submodels/BreakupModel/BreakupModel/BreakupModel.C
index 35a34085c6..af82c8b213 100644
--- a/src/lagrangian/spray/submodels/BreakupModel/BreakupModel/BreakupModel.C
+++ b/src/lagrangian/spray/submodels/BreakupModel/BreakupModel/BreakupModel.C
@@ -70,8 +70,8 @@ Foam::BreakupModel<CloudType>::BreakupModel
 :
     CloudSubModelBase<CloudType>(owner, dict, typeName, type),
     solveOscillationEq_(solveOscillationEq),
-    y0_(this->coeffDict().template lookupOrDefault<scalar>("y0", 0.0)),
-    yDot0_(this->coeffDict().template lookupOrDefault<scalar>("yDot0", 0.0)),
+    y0_(this->coeffDict().template lookupOrDefault<scalar>("y0", 0)),
+    yDot0_(this->coeffDict().template lookupOrDefault<scalar>("yDot0", 0)),
     TABComega_(8),
     TABCmu_(5),
     TABtwoWeCrit_(12)
diff --git a/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C b/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C
index 558404cff1..f1241f4277 100644
--- a/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C
+++ b/src/lagrangian/spray/submodels/StochasticCollision/ORourkeCollision/ORourkeCollision.C
@@ -40,7 +40,7 @@ void Foam::ORourkeCollision<CloudType>::collide
 )
 {
     // Create the occupancy list for the cells
-    labelList occupancy(this->owner().mesh().nCells(), 0);
+    labelList occupancy(this->owner().mesh().nCells(), Zero);
     forAllIter(typename CloudType, this->owner(), iter)
     {
         occupancy[iter().cell()]++;
diff --git a/src/lagrangian/turbulence/submodels/Thermodynamic/ParticleForces/BrownianMotion/BrownianMotionForce.C b/src/lagrangian/turbulence/submodels/Thermodynamic/ParticleForces/BrownianMotion/BrownianMotionForce.C
index 2718f36e0e..473539ddb5 100644
--- a/src/lagrangian/turbulence/submodels/Thermodynamic/ParticleForces/BrownianMotion/BrownianMotionForce.C
+++ b/src/lagrangian/turbulence/submodels/Thermodynamic/ParticleForces/BrownianMotion/BrownianMotionForce.C
@@ -165,7 +165,7 @@ Foam::forceSuSp Foam::BrownianMotionForce<CloudType>::calcCoupled
     const scalar muc
 ) const
 {
-    forceSuSp value(Zero, 0.0);
+    forceSuSp value(Zero);
 
     const scalar dp = p.d();
     const scalar Tc = td.Tc();
diff --git a/src/lumpedPointMotion/lumpedPointMovement.C b/src/lumpedPointMotion/lumpedPointMovement.C
index 99fc9bc980..a04cd7b142 100644
--- a/src/lumpedPointMotion/lumpedPointMovement.C
+++ b/src/lumpedPointMotion/lumpedPointMovement.C
@@ -387,7 +387,7 @@ void Foam::lumpedPointMovement::setMapping
     labelList faceToZoneID(mesh.nFaces() - firstFace, -1);
 
     // Number of faces per zone
-    labelList nFaces(thresholds().size(), 0);
+    labelList nFaces(thresholds().size(), Zero);
 
     const polyBoundaryMesh& patches = mesh.boundaryMesh();
 
diff --git a/src/mesh/blockMesh/blockEdges/projectCurveEdge/projectCurveEdge.C b/src/mesh/blockMesh/blockEdges/projectCurveEdge/projectCurveEdge.C
index cf49d9ce59..99a3418335 100644
--- a/src/mesh/blockMesh/blockEdges/projectCurveEdge/projectCurveEdge.C
+++ b/src/mesh/blockMesh/blockEdges/projectCurveEdge/projectCurveEdge.C
@@ -202,14 +202,14 @@ Foam::projectCurveEdge::position(const scalarList& lambdas) const
 
         // Compare actual distances and move points (along straight line;
         // not along surface)
-        vectorField residual(points.size(), vector::zero);
+        vectorField residual(points.size(), Zero);
         labelList indices;
         scalarField weights;
         for (label i = 1; i < points.size() - 1; i++)
         {
             interpolator.valueWeights(lambdas[i], indices, weights);
 
-            point predicted = vector::zero;
+            point predicted(Zero);
             forAll(indices, indexi)
             {
                 predicted += weights[indexi]*points[indices[indexi]];
diff --git a/src/mesh/blockMesh/blockEdges/projectEdge/projectEdge.C b/src/mesh/blockMesh/blockEdges/projectEdge/projectEdge.C
index 4af420d188..0db2a2f093 100644
--- a/src/mesh/blockMesh/blockEdges/projectEdge/projectEdge.C
+++ b/src/mesh/blockMesh/blockEdges/projectEdge/projectEdge.C
@@ -214,14 +214,14 @@ Foam::projectEdge::position(const scalarList& lambdas) const
 
         // Compare actual distances and move points (along straight line;
         // not along surface)
-        vectorField residual(points.size(), vector::zero);
+        vectorField residual(points.size(), Zero);
         labelList indices;
         scalarField weights;
         for (label i = 1; i < points.size() - 1; i++)
         {
             interpolator.valueWeights(lambdas[i], indices, weights);
 
-            point predicted = vector::zero;
+            point predicted(Zero);
             forAll(indices, indexi)
             {
                 predicted += weights[indexi]*points[indices[indexi]];
diff --git a/src/mesh/blockMesh/blockFaces/projectFace/projectFace.C b/src/mesh/blockMesh/blockFaces/projectFace/projectFace.C
index 36129e6c8a..205819f0af 100644
--- a/src/mesh/blockMesh/blockFaces/projectFace/projectFace.C
+++ b/src/mesh/blockMesh/blockFaces/projectFace/projectFace.C
@@ -197,8 +197,8 @@ void Foam::blockFaces::projectFace::project
 
 
     // Calculate initial normalised edge lengths (= u,v coordinates)
-    scalarField lambdaI(points.size(), 0.0);
-    scalarField lambdaJ(points.size(), 0.0);
+    scalarField lambdaI(points.size(), Zero);
+    scalarField lambdaJ(points.size(), Zero);
     calcLambdas(n, points, lambdaI, lambdaJ);
 
 
@@ -251,7 +251,7 @@ void Foam::blockFaces::projectFace::project
 
 
         // Predict along i
-        vectorField residual(points.size(), vector::zero);
+        vectorField residual(points.size(), Zero);
 
         // Work arrays for interpolation
         labelList indices;
@@ -279,7 +279,7 @@ void Foam::blockFaces::projectFace::project
 
                 interpolator.valueWeights(lambdaI[ij], indices, weights);
 
-                point predicted = vector::zero;
+                point predicted(Zero);
                 forAll(indices, indexi)
                 {
                     label ptIndex = index(n, labelPair(indices[indexi], j));
@@ -331,7 +331,7 @@ void Foam::blockFaces::projectFace::project
 
                 interpolator.valueWeights(lambdaJ[ij], indices, weights);
 
-                point predicted = vector::zero;
+                point predicted(Zero);
                 forAll(indices, indexi)
                 {
                     label ptIndex = index(n, labelPair(i, indices[indexi]));
diff --git a/src/mesh/snappyHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C b/src/mesh/snappyHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C
index 1c665dc68c..523b2a8bc5 100644
--- a/src/mesh/snappyHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C
+++ b/src/mesh/snappyHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C
@@ -1131,7 +1131,7 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
     // Count number of mesh edges using a point
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-    labelList isolatedPoint(pp.nPoints(),0);
+    labelList isolatedPoint(pp.nPoints(), Zero);
 
     forAll(edges, edgeI)
     {
@@ -1765,7 +1765,7 @@ bool Foam::medialAxisMeshMover::move
     scalarField zeroMinThickness;
     if (minThicknessName == "none")
     {
-        zeroMinThickness = scalarField(pp.nPoints(), 0.0);
+        zeroMinThickness = scalarField(pp.nPoints(), Zero);
     }
     const scalarField& minThickness =
     (
diff --git a/src/mesh/snappyHexMesh/meshRefinement/meshRefinement.C b/src/mesh/snappyHexMesh/meshRefinement/meshRefinement.C
index 117bcdb955..97c8708a4a 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/meshRefinement.C
+++ b/src/mesh/snappyHexMesh/meshRefinement/meshRefinement.C
@@ -2322,7 +2322,7 @@ Foam::label Foam::meshRefinement::findRegions
                     }
                     reduce(nSegments, maxOp<label>());
 
-                    labelList nElemsPerSegment(nSegments, 0);
+                    labelList nElemsPerSegment(nSegments, Zero);
                     for (label segmenti : leakPath.segments())
                     {
                         nElemsPerSegment[segmenti]++;
@@ -2915,7 +2915,7 @@ const
     {
         const labelList& cellLevel = meshCutter_.cellLevel();
 
-        labelList nCells(gMax(cellLevel)+1, 0);
+        labelList nCells(gMax(cellLevel)+1, Zero);
 
         forAll(cellLevel, celli)
         {
diff --git a/src/mesh/snappyHexMesh/meshRefinement/meshRefinementBaffles.C b/src/mesh/snappyHexMesh/meshRefinement/meshRefinementBaffles.C
index b4a800a976..6ef60bb50f 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/meshRefinementBaffles.C
+++ b/src/mesh/snappyHexMesh/meshRefinement/meshRefinementBaffles.C
@@ -730,7 +730,7 @@ Foam::autoPtr<Foam::mapPolyMesh> Foam::meshRefinement::createZoneBaffles
         labelList neiPatch(mesh_.nFaces(), -1);
         labelList faceZoneID(mesh_.nFaces(), -1);
 
-        labelList nBaffles(zoneIDs.size(), 0);
+        labelList nBaffles(zoneIDs.size(), Zero);
 
         forAll(zoneIDs, j)
         {
@@ -893,7 +893,7 @@ Foam::List<Foam::labelPair> Foam::meshRefinement::freeStandingBaffles
     // All duplicate faces on edge of the patch are to be merged.
     // So we count for all edges of duplicate faces how many duplicate
     // faces use them.
-    labelList nBafflesPerEdge(mesh_.nEdges(), 0);
+    labelList nBafflesPerEdge(mesh_.nEdges(), Zero);
 
 
     // This algorithm is quite tricky. We don't want to use edgeFaces and
@@ -2270,7 +2270,7 @@ void Foam::meshRefinement::getIntersections
     posOrientation = false;
 
     // Statistics: number of faces per faceZone
-    labelList nSurfFaces(surfaces_.surfZones().size(), 0);
+    labelList nSurfFaces(surfaces_.surfZones().size(), Zero);
 
     // Collect segments
     // ~~~~~~~~~~~~~~~~
@@ -2678,7 +2678,7 @@ void Foam::meshRefinement::zonify
 
         label nUnvisited = 0;
         label nBackgroundCells = 0;
-        labelList nZoneCells(nZones, 0);
+        labelList nZoneCells(nZones, Zero);
         forAll(cellToZone, cellI)
         {
             label zoneI = cellToZone[cellI];
@@ -4161,7 +4161,7 @@ Foam::autoPtr<Foam::mapPolyMesh> Foam::meshRefinement::removeLimitShells
     );
 
 
-    labelList cellRegion(mesh_.nCells(), 0);
+    labelList cellRegion(mesh_.nCells(), Zero);
     // Find any cells inside a limit shell with minLevel -1
     labelList levelShell;
     limitShells_.findLevel
diff --git a/src/mesh/snappyHexMesh/meshRefinement/meshRefinementGapRefine.C b/src/mesh/snappyHexMesh/meshRefinement/meshRefinementGapRefine.C
index 5e76cd63cc..01da7090da 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/meshRefinementGapRefine.C
+++ b/src/mesh/snappyHexMesh/meshRefinement/meshRefinementGapRefine.C
@@ -1535,7 +1535,7 @@ Foam::label Foam::meshRefinement::markSmallFeatureRefinement
         shells_.findHigherGapLevel
         (
             ctrs,
-            labelList(ctrs.size(), 0),
+            labelList(ctrs.size(), Zero),
             shellGapInfo,
             shellGapMode
         );
diff --git a/src/mesh/snappyHexMesh/refinementSurfaces/refinementSurfaces.C b/src/mesh/snappyHexMesh/refinementSurfaces/refinementSurfaces.C
index c6bd20e068..c300ceaa40 100644
--- a/src/mesh/snappyHexMesh/refinementSurfaces/refinementSurfaces.C
+++ b/src/mesh/snappyHexMesh/refinementSurfaces/refinementSurfaces.C
@@ -154,9 +154,9 @@ Foam::refinementSurfaces::refinementSurfaces
     surfZones_.setSize(surfI);
     regionOffset_.setSize(surfI);
 
-    labelList globalMinLevel(surfI, 0);
-    labelList globalMaxLevel(surfI, 0);
-    labelList globalLevelIncr(surfI, 0);
+    labelList globalMinLevel(surfI, Zero);
+    labelList globalMaxLevel(surfI, Zero);
+    labelList globalLevelIncr(surfI, Zero);
 
     FixedList<label, 3> nullGapLevel;
     nullGapLevel[0] = 0;
@@ -507,7 +507,7 @@ Foam::refinementSurfaces::refinementSurfaces
 // {
 //     const geometricSurfacePatchList& regions = s.patches();
 //
-//     labelList nTris(regions.size(), 0);
+//     labelList nTris(regions.size(), Zero);
 //
 //     forAll(s, triI)
 //     {
@@ -559,7 +559,7 @@ Foam::refinementSurfaces::refinementSurfaces
 
 Foam::labelList Foam::refinementSurfaces::maxGapLevel() const
 {
-    labelList surfaceMax(surfaces_.size(), 0);
+    labelList surfaceMax(surfaces_.size(), Zero);
 
     forAll(surfaces_, surfI)
     {
@@ -596,7 +596,7 @@ void Foam::refinementSurfaces::setMinLevelFields(const shellSurfaces& shells)
             scalarField radiusSqr;
             geom.boundingSpheres(ctrs, radiusSqr);
 
-            labelList minLevelField(ctrs.size(), 0);
+            labelList minLevelField(ctrs.size(), Zero);
             {
                 // Get the element index in a roundabout way. Problem is e.g.
                 // distributed surface where local indices differ from global
diff --git a/src/mesh/snappyHexMesh/shellSurfaces/shellSurfaces.C b/src/mesh/snappyHexMesh/shellSurfaces/shellSurfaces.C
index 02e207f5e6..5739217fe2 100644
--- a/src/mesh/snappyHexMesh/shellSurfaces/shellSurfaces.C
+++ b/src/mesh/snappyHexMesh/shellSurfaces/shellSurfaces.C
@@ -781,7 +781,7 @@ Foam::label Foam::shellSurfaces::maxLevel() const
 
 Foam::labelList Foam::shellSurfaces::maxGapLevel() const
 {
-    labelList surfaceMax(extendedGapLevel_.size(), 0);
+    labelList surfaceMax(extendedGapLevel_.size(), Zero);
 
     forAll(extendedGapLevel_, shelli)
     {
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
index 87bb6389d4..a9f6f827fc 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C
@@ -110,7 +110,7 @@ Foam::tmp<Foam::scalarField> Foam::snappyLayerDriver::avgPointData
     const scalarField& pointFld
 )
 {
-    tmp<scalarField> tfaceFld(new scalarField(pp.size(), 0.0));
+    tmp<scalarField> tfaceFld(new scalarField(pp.size(), Zero));
     scalarField& faceFld = tfaceFld.ref();
 
     forAll(pp.localFaces(), facei)
@@ -2376,7 +2376,7 @@ void Foam::snappyLayerDriver::setupLayerInfoTruncation
     else
     {
         // Determine max point layers per face.
-        labelList maxLevel(pp.size(), 0);
+        labelList maxLevel(pp.size(), Zero);
 
         forAll(pp.localFaces(), patchFacei)
         {
@@ -3120,7 +3120,7 @@ bool Foam::snappyLayerDriver::writeLayerData
                 );
 
                 // Convert patchReal to relative thickness
-                scalarField pfld(patchReal.size(), 0.0);
+                scalarField pfld(patchReal.size(), Zero);
                 forAll(patchReal, i)
                 {
                     if (patchWanted[i] > VSMALL)
@@ -3366,7 +3366,7 @@ void Foam::snappyLayerDriver::addLayers
             // avoid truncation in syncPatchDisplacement because of
             // minThickness.
             vectorField patchDisp(pp().nPoints(), vector(GREAT, GREAT, GREAT));
-            labelList patchNLayers(pp().nPoints(), 0);
+            labelList patchNLayers(pp().nPoints(), Zero);
             label nIdealTotAddedCells = 0;
             List<extrudeMode> extrudeStatus(pp().nPoints(), EXTRUDE);
             // Get number of layers per point from number of layers per patch
@@ -3387,7 +3387,7 @@ void Foam::snappyLayerDriver::addLayers
             syncPatchDisplacement
             (
                 *pp,
-                scalarField(patchDisp.size(), 0.0), //minThickness,
+                scalarField(patchDisp.size(), Zero), //minThickness,
                 patchDisp,
                 patchNLayers,
                 extrudeStatus
@@ -3618,7 +3618,7 @@ void Foam::snappyLayerDriver::addLayers
 
     // Number of layers for all pp.localPoints. Note: only valid if
     // extrudeStatus = EXTRUDE.
-    labelList patchNLayers(pp().nPoints(), 0);
+    labelList patchNLayers(pp().nPoints(), Zero);
 
     // Ideal number of cells added
     label nIdealTotAddedCells = 0;
@@ -3782,7 +3782,7 @@ void Foam::snappyLayerDriver::addLayers
     // Per face actual overall layer thickness
     scalarField faceRealThickness;
     // Per face wanted overall layer thickness
-    scalarField faceWantedThickness(mesh.nFaces(), 0.0);
+    scalarField faceWantedThickness(mesh.nFaces(), Zero);
     {
         UIndirectList<scalar>(faceWantedThickness, pp->addressing()) =
             avgPointData(*pp, thickness);
@@ -4470,8 +4470,8 @@ void Foam::snappyLayerDriver::addLayers
 
             // Make sure to keep the max since on two patches only one has
             // layers.
-            scalarField newFaceRealThickness(mesh.nFaces(), 0.0);
-            scalarField newFaceWantedThickness(mesh.nFaces(), 0.0);
+            scalarField newFaceRealThickness(mesh.nFaces(), Zero);
+            scalarField newFaceWantedThickness(mesh.nFaces(), Zero);
             forAll(newFaceRealThickness, facei)
             {
                 label oldFacei = faceMap[facei];
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C
index 9ac074cef5..7d4f171a8d 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C
@@ -1993,7 +1993,7 @@ Foam::label Foam::snappyRefineDriver::directionalSmooth
                 geometry[surfi].bounds().min() 
               & userDirection;
 
-            scalarField normalizedPosition(pointLabels.size(), 0);
+            scalarField normalizedPosition(pointLabels.size(), Zero);
             forAll(pointLabels, i)
             {
                 label pointi = pointLabels[i];
@@ -2165,9 +2165,9 @@ Foam::label Foam::snappyRefineDriver::directionalSmooth
 
                     pointField unsmoothedPoints(baseMeshPoints);
 
-                    scalarField sumOther(baseMesh.nPoints(), 0.0);
-                    labelList nSumOther(baseMesh.nPoints(), 0);
-                    labelList nSumXEdges(baseMesh.nPoints(), 0);
+                    scalarField sumOther(baseMesh.nPoints(), Zero);
+                    labelList nSumOther(baseMesh.nPoints(), Zero);
+                    labelList nSumXEdges(baseMesh.nPoints(), Zero);
                     forAll(edges, edgei)
                     {
                         const edge& e = edges[edgei];
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriver.C b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriver.C
index a2e7969f90..b90d4b3327 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriver.C
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriver.C
@@ -234,7 +234,7 @@ Foam::tmp<Foam::pointField> Foam::snappySnapDriver::smoothInternalDisplacement
 
 
     // Calculate average of connected cells
-    labelList nCells(mesh.nPoints(), 0);
+    labelList nCells(mesh.nPoints(), Zero);
     pointField sumLocation(mesh.nPoints(), Zero);
 
     forAll(isMovingPoint, pointi)
@@ -356,7 +356,7 @@ Foam::tmp<Foam::pointField> Foam::snappySnapDriver::smoothPatchDisplacement
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     vectorField avgBoundary(pointFaces.size(), Zero);
-    labelList nBoundary(pointFaces.size(), 0);
+    labelList nBoundary(pointFaces.size(), Zero);
 
     forAll(pointFaces, patchPointi)
     {
@@ -404,7 +404,7 @@ Foam::tmp<Foam::pointField> Foam::snappySnapDriver::smoothPatchDisplacement
     labelList nInternal;
     {
         vectorField globalSum(mesh.nPoints(), Zero);
-        labelList globalNum(mesh.nPoints(), 0);
+        labelList globalNum(mesh.nPoints(), Zero);
 
         // Note: no use of pointFaces
         const faceList& faces = mesh.faces();
@@ -987,7 +987,7 @@ Foam::tmp<Foam::pointField> Foam::snappySnapDriver::avgCellCentres
         new pointField(pointFaces.size(), Zero)
     );
     pointField& avgBoundary = tavgBoundary.ref();
-    labelList nBoundary(pointFaces.size(), 0);
+    labelList nBoundary(pointFaces.size(), Zero);
 
     forAll(pointFaces, pointi)
     {
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriverFeature.C b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriverFeature.C
index 24e02f5ebb..ba763939b7 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriverFeature.C
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappySnapDriverFeature.C
@@ -153,7 +153,7 @@ void Foam::snappySnapDriver::smoothAndConstrain
         //   nearest feature point.
 
         vectorField dispSum(pp.nPoints(), Zero);
-        labelList dispCount(pp.nPoints(), 0);
+        labelList dispCount(pp.nPoints(), Zero);
 
         const labelListList& pointEdges = pp.pointEdges();
         const edgeList& edges = pp.edges();
diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolationParallelOps.C b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolationParallelOps.C
index dc1b1559f7..0e21ed424a 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolationParallelOps.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIInterpolationParallelOps.C
@@ -41,7 +41,7 @@ Foam::label Foam::AMIInterpolation<SourcePatch, TargetPatch>::calcDistribution
 
     if (Pstream::parRun())
     {
-        List<label> facesPresentOnProc(Pstream::nProcs(), 0);
+        labelList facesPresentOnProc(Pstream::nProcs(), Zero);
         if ((srcPatch.size() > 0) || (tgtPatch.size() > 0))
         {
             facesPresentOnProc[Pstream::myProcNo()] = 1;
diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/directAMI/directAMI.C b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/directAMI/directAMI.C
index 9b1659e4b9..7443a92c83 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/directAMI/directAMI.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/AMIMethod/directAMI/directAMI.C
@@ -257,7 +257,7 @@ void Foam::directAMI<SourcePatch, TargetPatch>::calculate
 
     // list to keep track of whether src face can be mapped
     // 1 = mapped, 0 = untested, -1 = cannot map
-    labelList mapFlag(srcAddr.size(), 0);
+    labelList mapFlag(srcAddr.size(), Zero);
 
     label nTested = 0;
     DynamicList<label> nonOverlapFaces;
diff --git a/src/meshTools/cellQuality/cellQuality.C b/src/meshTools/cellQuality/cellQuality.C
index 2ede0110c3..d58945c838 100644
--- a/src/meshTools/cellQuality/cellQuality.C
+++ b/src/meshTools/cellQuality/cellQuality.C
@@ -49,7 +49,7 @@ Foam::tmp<Foam::scalarField> Foam::cellQuality::nonOrthogonality() const
 
     scalarField& result = tresult.ref();
 
-    scalarField sumArea(mesh_.nCells(), 0.0);
+    scalarField sumArea(mesh_.nCells(), Zero);
 
     const vectorField& centres = mesh_.cellCentres();
     const vectorField& areas = mesh_.faceAreas();
@@ -110,7 +110,7 @@ Foam::tmp<Foam::scalarField> Foam::cellQuality::skewness() const
     );
     scalarField& result = tresult.ref();
 
-    scalarField sumArea(mesh_.nCells(), 0.0);
+    scalarField sumArea(mesh_.nCells(), Zero);
 
     const vectorField& cellCtrs = mesh_.cellCentres();
     const vectorField& faceCtrs = mesh_.faceCentres();
diff --git a/src/meshTools/edgeMesh/extendedEdgeMesh/extendedEdgeMesh.C b/src/meshTools/edgeMesh/extendedEdgeMesh/extendedEdgeMesh.C
index cbde8cb053..4d0d208f7d 100644
--- a/src/meshTools/edgeMesh/extendedEdgeMesh/extendedEdgeMesh.C
+++ b/src/meshTools/edgeMesh/extendedEdgeMesh/extendedEdgeMesh.C
@@ -1864,7 +1864,7 @@ bool Foam::extendedEdgeMesh::mergePointsAndSort
     }
 
     // Re-classify merged points
-    labelList nPoints(nNewPoints, 0);
+    labelList nPoints(nNewPoints, Zero);
     forAll(oldToMerged, oldPointI)
     {
         nPoints[oldToMerged[oldPointI]]++;
diff --git a/src/meshTools/momentOfInertia/momentOfInertia.C b/src/meshTools/momentOfInertia/momentOfInertia.C
index 91c2ab45d9..9f75846238 100644
--- a/src/meshTools/momentOfInertia/momentOfInertia.C
+++ b/src/meshTools/momentOfInertia/momentOfInertia.C
@@ -80,7 +80,7 @@ void Foam::momentOfInertia::massPropertiesSolid
     const scalar r120 = 1.0/120.0;
 
     // order:  1, x, y, z, x^2, y^2, z^2, xy, yz, zx
-    scalarField integrals(10, 0.0);
+    scalarField integrals(10, Zero);
 
     forAll(triFaces, i)
     {
diff --git a/src/meshTools/polyMeshZipUpCells/polyMeshZipUpCells.C b/src/meshTools/polyMeshZipUpCells/polyMeshZipUpCells.C
index 63a2ef7b22..43017e7275 100644
--- a/src/meshTools/polyMeshZipUpCells/polyMeshZipUpCells.C
+++ b/src/meshTools/polyMeshZipUpCells/polyMeshZipUpCells.C
@@ -84,7 +84,7 @@ bool Foam::polyMeshZipUpCells(polyMesh& mesh)
 
             // Find the edges used only once in the cell
 
-            labelList edgeUsage(cellEdges.size(), 0);
+            labelList edgeUsage(cellEdges.size(), Zero);
 
             forAll(curFaces, facei)
             {
@@ -177,7 +177,7 @@ bool Foam::polyMeshZipUpCells(polyMesh& mesh)
             // points marked twice are internal to edge; those marked more than
             // twice are corners
 
-            labelList pointUsage(cellPoints.size(), 0);
+            labelList pointUsage(cellPoints.size(), Zero);
 
             forAll(singleEdges, edgeI)
             {
@@ -737,8 +737,8 @@ bool Foam::polyMeshZipUpCells(polyMesh& mesh)
         // (edge, point) addressing.
 
         // Collect the patch sizes
-        labelList patchSizes(bMesh.size(), 0);
-        labelList patchStarts(bMesh.size(), 0);
+        labelList patchSizes(bMesh.size(), Zero);
+        labelList patchStarts(bMesh.size(), Zero);
 
         forAll(bMesh, patchi)
         {
diff --git a/src/meshTools/processorLOD/box/box.C b/src/meshTools/processorLOD/box/box.C
index f176ab0fd0..f7d1afbd9b 100644
--- a/src/meshTools/processorLOD/box/box.C
+++ b/src/meshTools/processorLOD/box/box.C
@@ -444,7 +444,7 @@ Foam::autoPtr<Foam::mapDistribute> Foam::processorLODs::box::createMap
     {
         // Per processor refinement info
         List<labelList> refineFlags(Pstream::nProcs());
-        labelList nElems(Pstream::nProcs(), 0);
+        labelList nElems(Pstream::nProcs(), Zero);
 
         // Assess how many target elements intersect the source bounding boxes
         // and use the info to flag how the source boxes should be refined
diff --git a/src/meshTools/searchableSurfaces/searchableSurfaceCollection/searchableSurfaceCollection.C b/src/meshTools/searchableSurfaces/searchableSurfaceCollection/searchableSurfaceCollection.C
index 8188f683df..483e17e8dc 100644
--- a/src/meshTools/searchableSurfaces/searchableSurfaceCollection/searchableSurfaceCollection.C
+++ b/src/meshTools/searchableSurfaces/searchableSurfaceCollection/searchableSurfaceCollection.C
@@ -121,7 +121,7 @@ void Foam::searchableSurfaceCollection::sortHits
 ) const
 {
     // Count hits per surface.
-    labelList nHits(subGeom_.size(), 0);
+    labelList nHits(subGeom_.size(), Zero);
 
     forAll(info, pointi)
     {
diff --git a/src/meshTools/triSurface/booleanOps/intersectedSurface/edgeSurface.C b/src/meshTools/triSurface/booleanOps/intersectedSurface/edgeSurface.C
index 8491d6dee1..00fbac4214 100644
--- a/src/meshTools/triSurface/booleanOps/intersectedSurface/edgeSurface.C
+++ b/src/meshTools/triSurface/booleanOps/intersectedSurface/edgeSurface.C
@@ -76,7 +76,7 @@ void Foam::edgeSurface::calcPointEdges()
 {
     pointEdges_.setSize(points_.size());
 
-    labelList pointNEdges(points_.size(), 0);
+    labelList pointNEdges(points_.size(), Zero);
 
     forAll(edges_, edgeI)
     {
diff --git a/src/meshTools/triSurface/booleanOps/intersectedSurface/intersectedSurface.C b/src/meshTools/triSurface/booleanOps/intersectedSurface/intersectedSurface.C
index 9cfed82774..8c00279287 100644
--- a/src/meshTools/triSurface/booleanOps/intersectedSurface/intersectedSurface.C
+++ b/src/meshTools/triSurface/booleanOps/intersectedSurface/intersectedSurface.C
@@ -1102,7 +1102,7 @@ Foam::intersectedSurface::intersectedSurface
     DynamicList<labelledTri> newTris(eSurf.edges().size()/2);
 
     // Start in newTris for decomposed face.
-    labelList startTrii(surf.size(), 0);
+    labelList startTrii(surf.size(), Zero);
 
     forAll(surf, facei)
     {
diff --git a/src/meshTools/triSurface/triSurfaceSearch/triSurfaceRegionSearch.C b/src/meshTools/triSurface/triSurfaceSearch/triSurfaceRegionSearch.C
index 13ba83fb95..983e376c2f 100644
--- a/src/meshTools/triSurface/triSurfaceSearch/triSurfaceRegionSearch.C
+++ b/src/meshTools/triSurface/triSurfaceSearch/triSurfaceRegionSearch.C
@@ -92,7 +92,7 @@ Foam::triSurfaceRegionSearch::treeByRegion() const
             regionsAddressing[regionI] = labelList(regionSizes[regionI], -1);
         }
 
-        labelList nFacesInRegions(nRegions, 0);
+        labelList nFacesInRegions(nRegions, Zero);
 
         forAll(surface(), fI)
         {
diff --git a/src/meshTools/triSurface/triSurfaceTools/triSurfaceCurvature.C b/src/meshTools/triSurface/triSurfaceTools/triSurfaceCurvature.C
index e179edd35b..d0ce41baa7 100644
--- a/src/meshTools/triSurface/triSurfaceTools/triSurfaceCurvature.C
+++ b/src/meshTools/triSurface/triSurfaceTools/triSurfaceCurvature.C
@@ -160,7 +160,7 @@ Foam::triSurfaceTools::curvatures
         symmTensor2D::zero
     );
 
-    scalarList accumulatedWeights(points.size(), 0.0);
+    scalarList accumulatedWeights(points.size(), Zero);
 
     forAll(surf, fI)
     {
diff --git a/src/overset/cellCellStencil/cellCellStencil/cellCellStencil.C b/src/overset/cellCellStencil/cellCellStencil/cellCellStencil.C
index 0a8954272a..d25311212e 100644
--- a/src/overset/cellCellStencil/cellCellStencil/cellCellStencil.C
+++ b/src/overset/cellCellStencil/cellCellStencil/cellCellStencil.C
@@ -145,7 +145,7 @@ Foam::labelList Foam::cellCellStencil::count
     const labelUList& lst
 )
 {
-    labelList count(size, 0);
+    labelList count(size, Zero);
     forAll(lst, i)
     {
         count[lst[i]]++;
diff --git a/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C b/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C
index 5396d5a727..0e048a8c26 100644
--- a/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C
+++ b/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C
@@ -270,7 +270,7 @@ void Foam::cellCellStencils::cellVolumeWeight::findHoles
     //  1 : borders blockage so is not ok (but can be overridden by real
     //      patch)
     //  2 : has real patch in it so is reachable
-    labelList regionType(cellRegion.nRegions(), 0);
+    labelList regionType(cellRegion.nRegions(), Zero);
 
 
     // See if any regions borders blockage. Note: isBlockedFace is already
@@ -745,7 +745,7 @@ bool Foam::cellCellStencils::cellVolumeWeight::update()
     const labelIOList& zoneID = this->zoneID();
 
     label nZones = gMax(zoneID)+1;
-    labelList nCellsPerZone(nZones, 0);
+    labelList nCellsPerZone(nZones, Zero);
     forAll(zoneID, cellI)
     {
         nCellsPerZone[zoneID[cellI]]++;
@@ -983,7 +983,7 @@ bool Foam::cellCellStencils::cellVolumeWeight::update()
 
 
     // Add buffer interpolation layer around holes
-    scalarField allWeight(mesh_.nCells(), 0.0);
+    scalarField allWeight(mesh_.nCells(), Zero);
     walkFront(layerRelax, allCellTypes, allWeight);
 
 
diff --git a/src/overset/cellCellStencil/inverseDistance/inverseDistanceCellCellStencil.C b/src/overset/cellCellStencil/inverseDistance/inverseDistanceCellCellStencil.C
index e6db3cfdef..0d09a2330e 100644
--- a/src/overset/cellCellStencil/inverseDistance/inverseDistanceCellCellStencil.C
+++ b/src/overset/cellCellStencil/inverseDistance/inverseDistanceCellCellStencil.C
@@ -784,7 +784,7 @@ void Foam::cellCellStencils::inverseDistance::markDonors
 //    // so we'll need to compact
 //
 //    // 4a: count per originating processor the number of regions
-//    labelList nOriginating(Pstream::nProcs(), 0);
+//    labelList nOriginating(Pstream::nProcs(), Zero);
 //    {
 //        labelHashSet haveRegion(mesh.nCells()/8);
 //
@@ -1055,7 +1055,7 @@ void Foam::cellCellStencils::inverseDistance::findHoles
     //  1 : borders blockage so is not ok (but can be overridden by real
     //      patch)
     //  2 : has real patch in it so is reachable
-    labelList regionType(nRegions, 0);
+    labelList regionType(nRegions, Zero);
 
 
     // See if any regions borders blockage. Note: isBlockedFace is already
@@ -1326,7 +1326,7 @@ void Foam::cellCellStencils::inverseDistance::walkFront
 
 
     // Current interpolation fraction
-    scalarField fraction(mesh_.nFaces(), 0.0);
+    scalarField fraction(mesh_.nFaces(), Zero);
 
     forAll(isFront, faceI)
     {
@@ -1658,7 +1658,7 @@ Foam::cellCellStencils::inverseDistance::inverseDistance
 :
     cellCellStencil(mesh),
     dict_(dict),
-    smallVec_(vector::zero),
+    smallVec_(Zero),
     cellTypes_(labelList(mesh.nCells(), CALCULATED)),
     interpolationCells_(0),
     cellInterpolationMap_(),
@@ -1746,7 +1746,7 @@ bool Foam::cellCellStencils::inverseDistance::update()
     const labelIOList& zoneID = this->zoneID();
 
     label nZones = gMax(zoneID)+1;
-    labelList nCellsPerZone(nZones, 0);
+    labelList nCellsPerZone(nZones, Zero);
     forAll(zoneID, cellI)
     {
         nCellsPerZone[zoneID[cellI]]++;
@@ -2073,7 +2073,7 @@ bool Foam::cellCellStencils::inverseDistance::update()
 
 
     // Add buffer interpolation layer(s) around holes
-    scalarField allWeight(mesh_.nCells(), 0.0);
+    scalarField allWeight(mesh_.nCells(), Zero);
     walkFront(layerRelax, allStencil, allCellTypes, allWeight);
 
     if (debug)
@@ -2201,7 +2201,7 @@ bool Foam::cellCellStencils::inverseDistance::update()
 
         // Dump max weight
         {
-            scalarField maxMagWeight(mesh_.nCells(), 0.0);
+            scalarField maxMagWeight(mesh_.nCells(), Zero);
             forAll(cellStencil_, celli)
             {
                 const scalarList& wghts = cellInterpolationWeights_[celli];
diff --git a/src/overset/cellCellStencil/leastSquares/leastSquaresCellCellStencil.C b/src/overset/cellCellStencil/leastSquares/leastSquaresCellCellStencil.C
index 8f2da7a0ba..199bc41a04 100644
--- a/src/overset/cellCellStencil/leastSquares/leastSquaresCellCellStencil.C
+++ b/src/overset/cellCellStencil/leastSquares/leastSquaresCellCellStencil.C
@@ -61,7 +61,7 @@ void Foam::cellCellStencils::leastSquares::stencilWeights
     scalar W = 0;
 
     // Sum of weighted distance vectors
-    vector dw = vector::zero;
+    vector dw(Zero);
 
     RectangularMatrix<scalar> A(nD, 3);
 
diff --git a/src/overset/cellCellStencil/trackingInverseDistance/trackingInverseDistanceCellCellStencil.C b/src/overset/cellCellStencil/trackingInverseDistance/trackingInverseDistanceCellCellStencil.C
index 98d5df0525..a30a601d30 100644
--- a/src/overset/cellCellStencil/trackingInverseDistance/trackingInverseDistanceCellCellStencil.C
+++ b/src/overset/cellCellStencil/trackingInverseDistance/trackingInverseDistanceCellCellStencil.C
@@ -451,7 +451,7 @@ Foam::cellCellStencils::trackingInverseDistance::trackingInverseDistance
         const labelIOList& zoneID = this->zoneID();
         label nZones = gMax(zoneID)+1;
 
-        labelList nCellsPerZone(nZones, 0);
+        labelList nCellsPerZone(nZones, Zero);
         forAll(zoneID, celli)
         {
             nCellsPerZone[zoneID[celli]]++;
@@ -758,7 +758,7 @@ bool Foam::cellCellStencils::trackingInverseDistance::update()
     DebugInfo<< FUNCTION_NAME << " : Flood-filled holes" << endl;
 
     // Add buffer interpolation layer(s) around holes
-    scalarField allWeight(mesh_.nCells(), 0.0);
+    scalarField allWeight(mesh_.nCells(), Zero);
     walkFront(layerRelax, allStencil, allCellTypes, allWeight);
     DebugInfo<< FUNCTION_NAME << " : Implemented layer relaxation" << endl;
 
diff --git a/src/overset/dynamicOversetFvMesh/dynamicOversetFvMeshTemplates.C b/src/overset/dynamicOversetFvMesh/dynamicOversetFvMeshTemplates.C
index bfb2288cf6..190e05c06f 100644
--- a/src/overset/dynamicOversetFvMesh/dynamicOversetFvMeshTemplates.C
+++ b/src/overset/dynamicOversetFvMesh/dynamicOversetFvMeshTemplates.C
@@ -238,7 +238,7 @@ void Foam::dynamicOversetFvMesh::addInterpolation(fvMatrix<Type>& m) const
     // produces a non-zero source for interpolated cells.
     // The procedure below calculates this contribution 'correctionSource'
     // and subtracts it from the source later in order to compensate.
-    Field<Type> correctionSource(diag.size(), pTraits<Type>::zero);
+    Field<Type> correctionSource(diag.size(), Zero);
 
     if (pTraits<Type>::nComponents > 1)
     {
diff --git a/src/overset/fvMeshPrimitiveLduAddressing/fvMeshPrimitiveLduAddressing.C b/src/overset/fvMeshPrimitiveLduAddressing/fvMeshPrimitiveLduAddressing.C
index f963e6e5c1..f04cc3e1d2 100644
--- a/src/overset/fvMeshPrimitiveLduAddressing/fvMeshPrimitiveLduAddressing.C
+++ b/src/overset/fvMeshPrimitiveLduAddressing/fvMeshPrimitiveLduAddressing.C
@@ -119,7 +119,7 @@ Foam::labelList Foam::fvMeshPrimitiveLduAddressing::addAddressing
 {
     label nCells = addr.size();
     label nFaces = addr.upperAddr().size();
-    labelList nProcFaces(Pstream::nProcs(), 0);
+    labelList nProcFaces(Pstream::nProcs(), Zero);
 
     // Count additional faces
     nExtraFaces = 0;
diff --git a/src/overset/oversetAdjustPhi/oversetAdjustPhi.C b/src/overset/oversetAdjustPhi/oversetAdjustPhi.C
index d678e12664..25878e0c17 100644
--- a/src/overset/oversetAdjustPhi/oversetAdjustPhi.C
+++ b/src/overset/oversetAdjustPhi/oversetAdjustPhi.C
@@ -49,8 +49,8 @@ bool Foam::oversetAdjustPhi
 
     // Pass1: accumulate all fluxes, calculate correction factor
 
-    scalarField massIn(nZones, 0.0);
-    scalarField adjustableMassOut(nZones, 0.0);
+    scalarField massIn(nZones, Zero);
+    scalarField adjustableMassOut(nZones, Zero);
 
     surfaceScalarField::Boundary& bphi =
         phi.boundaryFieldRef();
diff --git a/src/overset/oversetPolyPatch/oversetGAMGInterface.C b/src/overset/oversetPolyPatch/oversetGAMGInterface.C
index a70c7acf0c..74a166d645 100644
--- a/src/overset/oversetPolyPatch/oversetGAMGInterface.C
+++ b/src/overset/oversetPolyPatch/oversetGAMGInterface.C
@@ -151,7 +151,7 @@ Foam::oversetGAMGInterface::oversetGAMGInterface
         // Accumulate the coarse level stencil
 
         // Number of fine cells contributing to the coarse cell
-        labelList nFineCells(nCoarseCells, 0);
+        labelList nFineCells(nCoarseCells, Zero);
 
         stencil_.setSize(nCoarseCells);
         cellInterpolationWeights_.setSize(nCoarseCells);
diff --git a/src/overset/regionsToCell/findRefCells.C b/src/overset/regionsToCell/findRefCells.C
index 67ac1ba0f8..6c73772103 100644
--- a/src/overset/regionsToCell/findRefCells.C
+++ b/src/overset/regionsToCell/findRefCells.C
@@ -92,7 +92,7 @@ void Foam::setRefCells
 
 
     // (per region!) does region have reference cell?
-    labelList hasRef(regionNeedReference.size(), 0);
+    labelList hasRef(regionNeedReference.size(), Zero);
 
 
     const labelList refValues(dict.lookup(refValueName));
@@ -158,7 +158,7 @@ void Foam::setRefCells
                 << exit(FatalIOError);
         }
 
-        labelList hasRef(refPoints.size(), 0);
+        labelList hasRef(refPoints.size(), Zero);
 
         forAll(refPoints, i)
         {
diff --git a/src/parallel/decompose/decompositionMethods/decompositionConstraints/singleProcessorFaceSets/singleProcessorFaceSetsConstraint.C b/src/parallel/decompose/decompositionMethods/decompositionConstraints/singleProcessorFaceSets/singleProcessorFaceSetsConstraint.C
index 59a6a73860..6ef3e60899 100644
--- a/src/parallel/decompose/decompositionMethods/decompositionConstraints/singleProcessorFaceSets/singleProcessorFaceSetsConstraint.C
+++ b/src/parallel/decompose/decompositionMethods/decompositionConstraints/singleProcessorFaceSets/singleProcessorFaceSetsConstraint.C
@@ -156,7 +156,7 @@ void Foam::decompositionConstraints::singleProcessorFaceSets::add
         const faceSet fz(mesh, setNameAndProcs_[setI].first());
 
         // Check that it does not overlap with existing specifiedProcessorFaces
-        labelList nMatch(specifiedProcessorFaces.size(), 0);
+        labelList nMatch(specifiedProcessorFaces.size(), Zero);
         forAllConstIter(faceSet, fz, iter)
         {
             label seti = faceToSet[iter.key()];
diff --git a/src/parallel/decompose/ptscotchDecomp/ptscotchDecomp.C b/src/parallel/decompose/ptscotchDecomp/ptscotchDecomp.C
index 56d7a022c5..ef1b16d35a 100644
--- a/src/parallel/decompose/ptscotchDecomp/ptscotchDecomp.C
+++ b/src/parallel/decompose/ptscotchDecomp/ptscotchDecomp.C
@@ -320,7 +320,7 @@ void Foam::ptscotchDecomp::check(const int retVal, const char* str)
 //
 //    // Number of cells to send to the next processor
 //    // (is same as number of cells next processor has to receive)
-//    List<label> nSendCells(Pstream::nProcs(), 0);
+//    List<label> nSendCells(Pstream::nProcs(), Zero);
 //
 //    for (label proci = nSendCells.size()-1; proci >=1; proci--)
 //    {
diff --git a/src/parallel/distributed/distributedTriSurfaceMesh/distributedTriSurfaceMesh.C b/src/parallel/distributed/distributedTriSurfaceMesh/distributedTriSurfaceMesh.C
index 665cf0ce85..57fe3e803e 100644
--- a/src/parallel/distributed/distributedTriSurfaceMesh/distributedTriSurfaceMesh.C
+++ b/src/parallel/distributed/distributedTriSurfaceMesh/distributedTriSurfaceMesh.C
@@ -550,7 +550,7 @@ Foam::distributedTriSurfaceMesh::calcLocalQueries
     // cheap we do a multi-pass algorithm to save some memory temporarily.
 
     // 1. Count
-    labelList nSend(Pstream::nProcs(), 0);
+    labelList nSend(Pstream::nProcs(), Zero);
 
     forAll(info, i)
     {
diff --git a/src/randomProcesses/noise/noiseFFT/noiseFFT.C b/src/randomProcesses/noise/noiseFFT/noiseFFT.C
index 3d5b77c4ca..6a8bc79cc4 100644
--- a/src/randomProcesses/noise/noiseFFT/noiseFFT.C
+++ b/src/randomProcesses/noise/noiseFFT/noiseFFT.C
@@ -322,7 +322,7 @@ Foam::graph Foam::noiseFFT::meanPf(const windowModel& window) const
     const label N = window.nSamples();
     const label nWindow = window.nWindow();
 
-    scalarField meanPf(N/2 + 1, 0.0);
+    scalarField meanPf(N/2 + 1, Zero);
 
     for (label windowI = 0; windowI < nWindow; ++windowI)
     {
@@ -354,7 +354,7 @@ Foam::graph Foam::noiseFFT::RMSmeanPf(const windowModel& window) const
     const label N = window.nSamples();
     const label nWindow = window.nWindow();
 
-    scalarField RMSMeanPf(N/2 + 1, 0.0);
+    scalarField RMSMeanPf(N/2 + 1, Zero);
     for (label windowI = 0; windowI < nWindow; ++windowI)
     {
         RMSMeanPf += sqr(Pf(window.apply<scalar>(*this, windowI)));
@@ -385,7 +385,7 @@ Foam::graph Foam::noiseFFT::PSDf(const windowModel& window) const
     const label N = window.nSamples();
     const label nWindow = window.nWindow();
 
-    scalarField psd(N/2 + 1, 0.0);
+    scalarField psd(N/2 + 1, Zero);
 
     for (label windowI = 0; windowI < nWindow; ++windowI)
     {
@@ -465,8 +465,8 @@ Foam::graph Foam::noiseFFT::octaves
     const scalarField& f = g.x();
     const scalarField& data = g.y();
 
-    scalarField octData(freqBandIDs.size() - 1, 0.0);
-    scalarField fm(freqBandIDs.size() -1, 0.0);
+    scalarField octData(freqBandIDs.size() - 1, Zero);
+    scalarField fm(freqBandIDs.size() -1, Zero);
 
     for (label bandI = 0; bandI < freqBandIDs.size() - 1; ++bandI)
     {
diff --git a/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C b/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C
index d53c0c9b9f..bf53217d1a 100644
--- a/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C
+++ b/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C
@@ -615,9 +615,9 @@ void surfaceNoise::calculate()
             label f1 = floor(fUpper_/deltaf/scalar(fftWriteInterval_));
             label nFreq = f1 - f0;
 
-            scalarField PrmsfAve(nFreq, 0);
-            scalarField PSDfAve(nFreq, 0);
-            scalarField fOut(nFreq, 0);
+            scalarField PrmsfAve(nFreq, Zero);
+            scalarField PSDfAve(nFreq, Zero);
+            scalarField fOut(nFreq, Zero);
 
             if (nFreq == 0)
             {
@@ -746,8 +746,8 @@ void surfaceNoise::calculate()
         {
             fileName outDir(outDirBase/"oneThirdOctave");
 
-            scalarField PSDfAve(surfPSD13f.size(), 0);
-            scalarField Prms13f2Ave(surfPSD13f.size(), 0);
+            scalarField PSDfAve(surfPSD13f.size(), Zero);
+            scalarField Prms13f2Ave(surfPSD13f.size(), Zero);
 
             forAll(surfPSD13f, i)
             {
diff --git a/src/regionModels/regionCoupling/derivedFvPatchFields/filmPyrolysisRadiativeCoupledMixed/filmPyrolysisRadiativeCoupledMixedFvPatchScalarField.C b/src/regionModels/regionCoupling/derivedFvPatchFields/filmPyrolysisRadiativeCoupledMixed/filmPyrolysisRadiativeCoupledMixedFvPatchScalarField.C
index 54fe25c512..52dc55ba4e 100644
--- a/src/regionModels/regionCoupling/derivedFvPatchFields/filmPyrolysisRadiativeCoupledMixed/filmPyrolysisRadiativeCoupledMixedFvPatchScalarField.C
+++ b/src/regionModels/regionCoupling/derivedFvPatchFields/filmPyrolysisRadiativeCoupledMixed/filmPyrolysisRadiativeCoupledMixedFvPatchScalarField.C
@@ -261,15 +261,15 @@ void filmPyrolysisRadiativeCoupledMixedFvPatchScalarField::updateCoeffs()
 
     scalarField myKDelta(K*patch().deltaCoeffs());
 
-    scalarList Tfilm(patch().size(), 0.0);
-    scalarList htcwfilm(patch().size(), 0.0);
-    scalarList filmDelta(patch().size(), 0.0);
+    scalarList Tfilm(patch().size(), Zero);
+    scalarList htcwfilm(patch().size(), Zero);
+    scalarList filmDelta(patch().size(), Zero);
 
     const pyrolysisModelType& pyrolysis = pyrModel();
     const filmModelType& film = filmModel();
 
     // Obtain Rad heat (qr)
-    scalarField qr(patch().size(), 0.0);
+    scalarField qr(patch().size(), Zero);
 
     label coupledPatchi = -1;
     if (pyrolysisRegionName_ == mesh.name())
diff --git a/src/regionModels/regionModel/regionModel1D/regionModel1D.C b/src/regionModels/regionModel/regionModel1D/regionModel1D.C
index 61d6283b14..5c1d894656 100644
--- a/src/regionModels/regionModel/regionModel1D/regionModel1D.C
+++ b/src/regionModels/regionModel/regionModel1D/regionModel1D.C
@@ -198,7 +198,7 @@ Foam::tmp<Foam::labelField> Foam::regionModels::regionModel1D::moveMesh
     const scalar minDelta
 )
 {
-    tmp<labelField> tcellMoveMap(new labelField(regionMesh().nCells(), 0));
+    tmp<labelField> tcellMoveMap(new labelField(regionMesh().nCells(), Zero));
     labelField& cellMoveMap = tcellMoveMap.ref();
 
     if (!moveMesh_)
@@ -226,7 +226,7 @@ Foam::tmp<Foam::labelField> Foam::regionModels::regionModel1D::moveMesh
             const vector n = pp.faceNormals()[patchFacei];
             const vector sf = pp.faceAreas()[patchFacei];
 
-            List<point> oldCf(faces.size() + 1, vector::zero);
+            List<point> oldCf(faces.size() + 1, Zero);
             List<bool> frozen(faces.size(), false);
 
             forAll(faces, i)
@@ -247,7 +247,7 @@ Foam::tmp<Foam::labelField> Foam::regionModels::regionModel1D::moveMesh
                 }
             }
 
-            vectorField newDelta(cells.size() + 1, vector::zero);
+            vectorField newDelta(cells.size() + 1, Zero);
 
             label j = 0;
             forAllReverse(cells, i)
diff --git a/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C b/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C
index d3559b61f0..b4360ca9b3 100644
--- a/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C
+++ b/src/regionModels/regionModel/singleLayerRegion/singleLayerRegion.C
@@ -117,7 +117,7 @@ void Foam::regionModels::singleLayerRegion::initialise()
             << abort(FatalError);
     }
 
-    scalarField passiveMagSf(magSf.size(), 0.0);
+    scalarField passiveMagSf(magSf.size(), Zero);
     passivePatchIDs_.setSize(intCoupledPatchIDs_.size(), -1);
     forAll(intCoupledPatchIDs_, i)
     {
diff --git a/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C b/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C
index 03635edb6e..28b12a8b75 100644
--- a/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C
+++ b/src/regionModels/surfaceFilmModels/kinematicSingleLayer/kinematicSingleLayer.C
@@ -794,7 +794,7 @@ kinematicSingleLayer::kinematicSingleLayer
 
     filmThermo_(filmThermoModel::New(*this, coeffs_)),
 
-    availableMass_(regionMesh().nCells(), 0.0),
+    availableMass_(regionMesh().nCells(), Zero),
 
     injection_(*this, coeffs_),
 
diff --git a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/curvatureSeparation/curvatureSeparation.C b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/curvatureSeparation/curvatureSeparation.C
index 5233f12504..6a053901e6 100644
--- a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/curvatureSeparation/curvatureSeparation.C
+++ b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/curvatureSeparation/curvatureSeparation.C
@@ -121,7 +121,7 @@ tmp<scalarField> curvatureSeparation::calcCosAngle
     const labelUList& nbr = mesh.neighbour();
 
     scalarField phiMax(mesh.nCells(), -GREAT);
-    scalarField cosAngle(mesh.nCells(), 0.0);
+    scalarField cosAngle(mesh.nCells(), Zero);
     forAll(nbr, facei)
     {
         label cellO = own[facei];
@@ -226,7 +226,7 @@ curvatureSeparation::curvatureSeparation
 :
     injectionModel(type(), film, dict),
     gradNHat_(fvc::grad(film.nHat())),
-    deltaByR1Min_(coeffDict_.lookupOrDefault<scalar>("deltaByR1Min", 0.0)),
+    deltaByR1Min_(coeffDict_.lookupOrDefault<scalar>("deltaByR1Min", 0)),
     definedPatchRadii_(),
     magG_(mag(film.g().value())),
     gHat_(Zero)
@@ -299,8 +299,8 @@ void curvatureSeparation::correct
 
     // calculate force balance
     const scalar Fthreshold = 1e-10;
-    scalarField Fnet(mesh.nCells(), 0.0);
-    scalarField separated(mesh.nCells(), 0.0);
+    scalarField Fnet(mesh.nCells(), Zero);
+    scalarField separated(mesh.nCells(), Zero);
     forAll(invR1, i)
     {
         if ((invR1[i] > 0) && (delta[i]*invR1[i] > deltaByR1Min_))
diff --git a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/drippingInjection/drippingInjection.C b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/drippingInjection/drippingInjection.C
index 30b4ce185c..168e6da0af 100644
--- a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/drippingInjection/drippingInjection.C
+++ b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/drippingInjection/drippingInjection.C
@@ -98,7 +98,7 @@ void drippingInjection::correct
     const scalarField& delta = film.delta();
     const scalarField& rho = film.rho();
 
-    scalarField massDrip(film.regionMesh().nCells(), 0.0);
+    scalarField massDrip(film.regionMesh().nCells(), Zero);
 
     forAll(gNorm, i)
     {
diff --git a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/injectionModelList/injectionModelList.C b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/injectionModelList/injectionModelList.C
index e9770089d2..b53a600b79 100644
--- a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/injectionModelList/injectionModelList.C
+++ b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/injectionModelList/injectionModelList.C
@@ -58,7 +58,7 @@ injectionModelList::injectionModelList
         "injectionModelList",
         "injectionModelList"
     ),
-    massInjected_(film.intCoupledPatchIDs().size(), 0.0)
+    massInjected_(film.intCoupledPatchIDs().size(), Zero)
 {
     const wordList activeModels(dict.lookup("injectionModels"));
 
@@ -149,7 +149,7 @@ void injectionModelList::info(Ostream& os)
         }
     }
 
-    scalarField mass0(massInjected_.size(), 0);
+    scalarField mass0(massInjected_.size(), Zero);
     this->getBaseProperty("massInjected", mass0);
 
     scalarField mass(massInjected_);
diff --git a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/patchInjection/patchInjection.C b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/patchInjection/patchInjection.C
index 3adb13a1f6..e3101feaf6 100644
--- a/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/patchInjection/patchInjection.C
+++ b/src/regionModels/surfaceFilmModels/submodels/kinematic/injectionModel/patchInjection/patchInjection.C
@@ -49,7 +49,7 @@ patchInjection::patchInjection
 )
 :
     injectionModel(type(), film, dict),
-    deltaStable_(coeffDict_.lookupOrDefault<scalar>("deltaStable", 0.0))
+    deltaStable_(coeffDict_.lookupOrDefault<scalar>("deltaStable", 0))
 {
     const polyBoundaryMesh& pbm = film.regionMesh().boundaryMesh();
     patchIDs_.setSize
@@ -180,7 +180,7 @@ void patchInjection::patchInjectedMassTotals(scalarField& patchMasses) const
         getModelProperty<scalarField>
         (
             "patchInjectedMasses",
-            scalarField(patchInjectedMasses_.size(), 0)
+            scalarField(patchInjectedMasses_.size(), Zero)
         )
     );
 
diff --git a/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModel/transferModel.C b/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModel/transferModel.C
index b208718e42..3521b05090 100644
--- a/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModel/transferModel.C
+++ b/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModel/transferModel.C
@@ -94,7 +94,7 @@ void transferModel::correct
     scalarField& energyToTransfer
 )
 {
-    scalarField massToTransfer0(massToTransfer.size(), scalar(0));
+    scalarField massToTransfer0(massToTransfer.size(), Zero);
     correct(availableMass, massToTransfer0);
     massToTransfer += massToTransfer0;
     energyToTransfer += massToTransfer0*film().hs();
diff --git a/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModelList/transferModelList.C b/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModelList/transferModelList.C
index b3b0f9ef9c..15bb4eccb3 100644
--- a/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModelList/transferModelList.C
+++ b/src/regionModels/surfaceFilmModels/submodels/kinematic/transferModels/transferModelList/transferModelList.C
@@ -58,7 +58,7 @@ transferModelList::transferModelList
         "transferModelList",
         "transferModelList"
     ),
-    massTransferred_(film.intCoupledPatchIDs().size(), 0.0)
+    massTransferred_(film.intCoupledPatchIDs().size(), Zero)
 {
     const wordList activeModels
     (
@@ -177,7 +177,7 @@ void transferModelList::info(Ostream& os)
         }
     }
 
-    scalarField mass0(massTransferred_.size(), 0);
+    scalarField mass0(massTransferred_.size(), Zero);
     this->getBaseProperty("massTransferred", mass0);
 
     scalarField mass(massTransferred_);
diff --git a/src/regionModels/thermalBaffleModels/thermalBaffleModel/thermalBaffleModel.C b/src/regionModels/thermalBaffleModels/thermalBaffleModel/thermalBaffleModel.C
index 0551b52e42..6177cc7f3b 100644
--- a/src/regionModels/thermalBaffleModels/thermalBaffleModel/thermalBaffleModel.C
+++ b/src/regionModels/thermalBaffleModels/thermalBaffleModel/thermalBaffleModel.C
@@ -183,7 +183,7 @@ thermalBaffleModel::thermalBaffleModel(const fvMesh& mesh)
 :
     regionModel1D(mesh, "thermalBaffle"),
     thickness_(),
-    delta_("delta", dimLength, 0.0),
+    delta_("delta", dimLength, Zero),
     oneD_(false),
     constantThickness_(true)
 {}
@@ -199,7 +199,7 @@ thermalBaffleModel::thermalBaffleModel
 :
     regionModel1D(mesh, "thermalBaffle", modelType, dict, true),
     thickness_(),
-    delta_("delta", dimLength, 0.0),
+    delta_("delta", dimLength, Zero),
     oneD_(false),
     constantThickness_(dict.lookupOrDefault("constantThickness", true))
 {
@@ -215,7 +215,7 @@ thermalBaffleModel::thermalBaffleModel
 :
     regionModel1D(mesh, "thermalBaffle", modelType),
     thickness_(),
-    delta_("delta", dimLength, 0.0),
+    delta_("delta", dimLength, Zero),
     oneD_(false),
     constantThickness_(lookupOrDefault("constantThickness", true))
 {
diff --git a/src/renumber/renumberMethods/springRenumber/springRenumber.C b/src/renumber/renumberMethods/springRenumber/springRenumber.C
index 1a64c64809..5fbe56f024 100644
--- a/src/renumber/renumberMethods/springRenumber/springRenumber.C
+++ b/src/renumber/renumberMethods/springRenumber/springRenumber.C
@@ -108,7 +108,7 @@ Foam::labelList Foam::springRenumber::renumber
         //    << endl;
 
         // Sum force per cell.
-        scalarField sumForce(cellCells.size(), 0.0);
+        scalarField sumForce(cellCells.size(), Zero);
         forAll(cellCells, oldCelli)
         {
             const labelList& cCells = cellCells[oldCelli];
diff --git a/src/sampling/meshToMesh/meshToMeshParallelOps.C b/src/sampling/meshToMesh/meshToMeshParallelOps.C
index d60b386ab6..e918f3c361 100644
--- a/src/sampling/meshToMesh/meshToMeshParallelOps.C
+++ b/src/sampling/meshToMesh/meshToMeshParallelOps.C
@@ -45,7 +45,7 @@ Foam::label Foam::meshToMesh::calcDistribution
 
     if (Pstream::parRun())
     {
-        List<label> cellsPresentOnProc(Pstream::nProcs(), 0);
+        List<label> cellsPresentOnProc(Pstream::nProcs(), Zero);
         if ((src.nCells() > 0) || (tgt.nCells() > 0))
         {
             cellsPresentOnProc[Pstream::myProcNo()] = 1;
@@ -601,7 +601,7 @@ void Foam::meshToMesh::distributeAndMergeCells
 
     // Starting offset for points
     label nPoints = 0;
-    labelList pointOffset(Pstream::nProcs(), 0);
+    labelList pointOffset(Pstream::nProcs(), Zero);
     forAll(allPoints, proci)
     {
         pointOffset[proci] = nPoints;
@@ -610,7 +610,7 @@ void Foam::meshToMesh::distributeAndMergeCells
 
     // Starting offset for cells
     label nCells = 0;
-    labelList cellOffset(Pstream::nProcs(), 0);
+    labelList cellOffset(Pstream::nProcs(), Zero);
     forAll(allTgtCellIDs, proci)
     {
         cellOffset[proci] = nCells;
@@ -662,7 +662,7 @@ void Foam::meshToMesh::distributeAndMergeCells
     // Starting offset for internal faces
     label nIntFaces = 0;
     label nFacesTotal = 0;
-    labelList internalFaceOffset(Pstream::nProcs(), 0);
+    labelList internalFaceOffset(Pstream::nProcs(), Zero);
     forAll(allNIntCoupledFaces, proci)
     {
         label nCoupledFaces =
diff --git a/src/sampling/sampledSet/cellCentre/cellCentreSet.C b/src/sampling/sampledSet/cellCentre/cellCentreSet.C
index 1c7cc4a182..0fa42cf50e 100644
--- a/src/sampling/sampledSet/cellCentre/cellCentreSet.C
+++ b/src/sampling/sampledSet/cellCentre/cellCentreSet.C
@@ -73,7 +73,7 @@ void Foam::cellCentreSet::genSamples()
     }
 
     labelList samplingFaces(selectedCells.size(), -1);
-    labelList samplingSegments(selectedCells.size(), 0);
+    labelList samplingSegments(selectedCells.size(), Zero);
     scalarList samplingCurveDist(selectedCells.size());
 
     forAll(selectedCells, i)
diff --git a/src/sampling/surface/isoSurface/isoSurfaceTemplates.C b/src/sampling/surface/isoSurface/isoSurfaceTemplates.C
index c03a97de50..430733fff6 100644
--- a/src/sampling/surface/isoSurface/isoSurfaceTemplates.C
+++ b/src/sampling/surface/isoSurface/isoSurfaceTemplates.C
@@ -758,7 +758,7 @@ Foam::isoSurface::interpolate
 
     // Pass1: unweighted average of merged point values
     {
-        labelList nValues(values.size(), 0);
+        labelList nValues(values.size(), Zero);
 
         forAll(unmergedValues, i)
         {
diff --git a/src/sampling/surface/isoSurface/isoSurfaceTopo.C b/src/sampling/surface/isoSurface/isoSurfaceTopo.C
index 1229184661..b2e841b082 100644
--- a/src/sampling/surface/isoSurface/isoSurfaceTopo.C
+++ b/src/sampling/surface/isoSurface/isoSurfaceTopo.C
@@ -998,7 +998,7 @@ Foam::isoSurfaceTopo::isoSurfaceTopo
     DynamicList<label> cellLabels(5*nCutCells);
 
 
-    labelList startTri(mesh_.nCells()+1, 0);
+    labelList startTri(mesh_.nCells()+1, Zero);
 
     for (label celli = 0; celli < mesh_.nCells(); ++celli)
     {
diff --git a/src/semiPermeableBaffle/derivedFvPatchFields/semiPermeableBaffleMassFraction/semiPermeableBaffleMassFractionFvPatchScalarField.C b/src/semiPermeableBaffle/derivedFvPatchFields/semiPermeableBaffleMassFraction/semiPermeableBaffleMassFractionFvPatchScalarField.C
index 550b2952cb..ff575e3845 100644
--- a/src/semiPermeableBaffle/derivedFvPatchFields/semiPermeableBaffleMassFraction/semiPermeableBaffleMassFractionFvPatchScalarField.C
+++ b/src/semiPermeableBaffle/derivedFvPatchFields/semiPermeableBaffleMassFraction/semiPermeableBaffleMassFractionFvPatchScalarField.C
@@ -60,7 +60,7 @@ semiPermeableBaffleMassFractionFvPatchScalarField
 :
     mappedPatchBase(p.patch(), NEARESTPATCHFACE, dict),
     mixedFvPatchScalarField(p, iF),
-    c_(dict.lookupOrDefault<scalar>("c", scalar(0))),
+    c_(dict.lookupOrDefault<scalar>("c", 0)),
     phiName_(dict.lookupOrDefault<word>("phi", "phi"))
 {
     fvPatchScalarField::operator=(scalarField("value", dict, p.size()));
@@ -121,7 +121,7 @@ Foam::semiPermeableBaffleMassFractionFvPatchScalarField::phiY() const
 {
     if (c_ == scalar(0))
     {
-        return tmp<scalarField>(new scalarField(patch().size(), Zero));
+        return tmp<scalarField>::New(patch().size(), Zero);
     }
 
     const word& YName = internalField().name();
@@ -170,7 +170,7 @@ void Foam::semiPermeableBaffleMassFractionFvPatchScalarField::write
 {
     fvPatchScalarField::write(os);
     mappedPatchBase::write(os);
-    os.writeEntryIfDifferent<scalar>("c", scalar(0), c_);
+    os.writeEntryIfDifferent<scalar>("c", 0, c_);
     os.writeEntryIfDifferent<word>("phi", "phi", phiName_);
     writeEntry("value", os);
 }
diff --git a/src/surfMesh/surfaceFormats/ac3d/AC3DsurfaceFormat.C b/src/surfMesh/surfaceFormats/ac3d/AC3DsurfaceFormat.C
index a4b3d26587..23989d3cbc 100644
--- a/src/surfMesh/surfaceFormats/ac3d/AC3DsurfaceFormat.C
+++ b/src/surfMesh/surfaceFormats/ac3d/AC3DsurfaceFormat.C
@@ -95,7 +95,7 @@ bool Foam::fileFormats::AC3DsurfaceFormat<Face>::read
     DynamicList<point> dynPoints;
     DynamicList<Face>  dynFaces;
     List<word>         names(nZones);
-    List<label>        sizes(nZones, 0);
+    List<label>        sizes(nZones, Zero);
 
     for (label zoneI = 0; zoneI < nZones; ++zoneI)
     {
diff --git a/src/surfMesh/surfaceFormats/vtk/VTKsurfaceFormat.C b/src/surfMesh/surfaceFormats/vtk/VTKsurfaceFormat.C
index 582167ce93..f2ab8ce29d 100644
--- a/src/surfMesh/surfaceFormats/vtk/VTKsurfaceFormat.C
+++ b/src/surfMesh/surfaceFormats/vtk/VTKsurfaceFormat.C
@@ -129,7 +129,7 @@ bool Foam::fileFormats::VTKsurfaceFormat<Face>::read
     const faceList& faces = reader.faces();
 
     // Assume all faces in zone0 unless a region field is present
-    labelList zones(faces.size(), 0);
+    labelList zones(faces.size(), Zero);
 
     for (auto fieldName : { "region", "STLSolidLabeling" })
     {
@@ -202,7 +202,7 @@ bool Foam::fileFormats::VTKsurfaceFormat<Face>::read
         zones.clear();
 
         // Count
-        labelList zoneSizes(nZones, 0);
+        labelList zoneSizes(nZones, Zero);
         for (const label zonei : dynZones)
         {
             zoneSizes[zonei]++;
@@ -224,7 +224,7 @@ bool Foam::fileFormats::VTKsurfaceFormat<Face>::read
         }
 
         // Count
-        labelList zoneSizes(nZones, 0);
+        labelList zoneSizes(nZones, Zero);
         for (const label zonei : zones)
         {
             zoneSizes[zonei]++;
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DAC/DAC.C b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DAC/DAC.C
index fa70b7ac03..d643b636ae 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DAC/DAC.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DAC/DAC.C
@@ -252,7 +252,7 @@ void Foam::chemistryReductionMethods::DAC<CompType, ThermoType>::reduceMechanism
 )
 {
     scalarField& completeC(this->chemistry_.completeC());
-    scalarField c1(this->chemistry_.nEqns(), 0.0);
+    scalarField c1(this->chemistry_.nEqns(), Zero);
     for (label i=0; i<this->nSpecie_; i++)
     {
         c1[i] = c[i];
@@ -263,12 +263,12 @@ void Foam::chemistryReductionMethods::DAC<CompType, ThermoType>::reduceMechanism
     c1[this->nSpecie_+1] = p;
 
     // Compute the rAB matrix
-    RectangularMatrix<scalar> rABNum(this->nSpecie_, this->nSpecie_, 0.0);
-    scalarField PA(this->nSpecie_, 0.0);
-    scalarField CA(this->nSpecie_, 0.0);
+    RectangularMatrix<scalar> rABNum(this->nSpecie_, this->nSpecie_, Zero);
+    scalarField PA(this->nSpecie_, Zero);
+    scalarField CA(this->nSpecie_, Zero);
 
     // Number of initialized rAB for each lines
-    Field<label> NbrABInit(this->nSpecie_,0);
+    Field<label> NbrABInit(this->nSpecie_, Zero);
     // Position of the initialized rAB, -1 when not initialized
     RectangularMatrix<label> rABPos(this->nSpecie_, this->nSpecie_, -1);
     // Index of the other species involved in the rABNum
@@ -464,8 +464,8 @@ void Foam::chemistryReductionMethods::DAC<CompType, ThermoType>::reduceMechanism
         label nElements = 4; // 4 main elements (C, H, O, N)
 
         // Total number of C, H and O (in this order)
-        scalarList Na(nElements, 0.0);
-        scalarList Nal(nElements, 0.0); // for large hydrocarbons
+        scalarList Na(nElements, Zero);
+        scalarList Nal(nElements, Zero); // for large hydrocarbons
 
         for (label i=0; i<this->nSpecie_; i++)
         {
@@ -505,7 +505,7 @@ void Foam::chemistryReductionMethods::DAC<CompType, ThermoType>::reduceMechanism
 
     // Using the rAB matrix (numerator and denominator separated)
     // compute the R value according to the search initiating set
-    scalarField Rvalue(this->nSpecie_, 0.0);
+    scalarField Rvalue(this->nSpecie_, Zero);
     label speciesNumber = 0;
 
     // Set all species to inactive and activate them according
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRG/DRG.C b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRG/DRG.C
index bb83e06d5a..96df437c67 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRG/DRG.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRG/DRG.C
@@ -74,7 +74,7 @@ void Foam::chemistryReductionMethods::DRG<CompType, ThermoType>::reduceMechanism
     const scalar p
 )
 {
-    scalarField c1(this->nSpecie_+2, 0.0);
+    scalarField c1(this->nSpecie_+2, Zero);
 
     for(label i=0; i<this->nSpecie_; i++)
     {
@@ -85,11 +85,11 @@ void Foam::chemistryReductionMethods::DRG<CompType, ThermoType>::reduceMechanism
     c1[this->nSpecie_+1] = p;
 
     // Compute the rAB matrix
-    RectangularMatrix<scalar> rABNum(this->nSpecie_,this->nSpecie_,0.0);
-    scalarField rABDen(this->nSpecie_,0.0);
+    RectangularMatrix<scalar> rABNum(this->nSpecie_, this->nSpecie_, Zero);
+    scalarField rABDen(this->nSpecie_, Zero);
 
     // Number of initialized rAB for each lines
-    Field<label> NbrABInit(this->nSpecie_,0);
+    Field<label> NbrABInit(this->nSpecie_, Zero);
 
     // Position of the initialized rAB, -1 when not initialized
     RectangularMatrix<label> rABPos(this->nSpecie_, this->nSpecie_, -1);
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRGEP/DRGEP.C b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRGEP/DRGEP.C
index 8b4976db0c..0bf6acf37c 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRGEP/DRGEP.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/DRGEP/DRGEP.C
@@ -117,7 +117,7 @@ reduceMechanism
 )
 {
     scalarField& completeC(this->chemistry_.completeC());
-    scalarField c1(this->chemistry_.nEqns(), 0.0);
+    scalarField c1(this->chemistry_.nEqns(), Zero);
 
     for (label i=0; i<this->nSpecie_; ++i)
     {
@@ -129,12 +129,12 @@ reduceMechanism
     c1[this->nSpecie_+1] = p;
 
     // Compute the rAB matrix
-    RectangularMatrix<scalar> rABNum(this->nSpecie_, this->nSpecie_, 0.0);
-    scalarField PA(this->nSpecie_, 0.0);
-    scalarField CA(this->nSpecie_, 0.0);
+    RectangularMatrix<scalar> rABNum(this->nSpecie_, this->nSpecie_, Zero);
+    scalarField PA(this->nSpecie_, Zero);
+    scalarField CA(this->nSpecie_, Zero);
 
     // Number of initialized rAB for each lines
-    Field<label> NbrABInit(this->nSpecie_, 0);
+    Field<label> NbrABInit(this->nSpecie_, Zero);
     // Position of the initialized rAB, -1 when not initialized
     RectangularMatrix<label> rABPos(this->nSpecie_, this->nSpecie_, -1);
     // Index of the other species involved in the rABNum
@@ -314,8 +314,8 @@ reduceMechanism
 
     // Compute the production rate of each element Pa
     label nElements = 4; // 4 main elements (C, H, O, N)
-    scalarList Pa(nElements,0.0);
-    scalarList Ca(nElements,0.0);
+    scalarList Pa(nElements, Zero);
+    scalarList Ca(nElements, Zero);
 
     // for (label q=0; q<SIS.size(); ++q)
     for (label i=0; i<this->nSpecie_; ++i)
@@ -332,7 +332,7 @@ reduceMechanism
 
     // Using the rAB matrix (numerator and denominator separated)
     // compute the R value according to the search initiating set
-    scalarField Rvalue(this->nSpecie_, 0.0);
+    scalarField Rvalue(this->nSpecie_, Zero);
     label speciesNumber = 0;
     List<bool> disabledSpecies(this->nSpecie_, false);
 
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/EFA/EFA.C b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/EFA/EFA.C
index acd3e3fa79..760c0d5761 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/EFA/EFA.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/EFA/EFA.C
@@ -36,10 +36,10 @@ Foam::chemistryReductionMethods::EFA<CompType, ThermoType>::EFA
 )
 :
     chemistryReductionMethod<CompType, ThermoType>(dict, chemistry),
-    sC_(this->nSpecie_,0),
-    sH_(this->nSpecie_,0),
-    sO_(this->nSpecie_,0),
-    sN_(this->nSpecie_,0),
+    sC_(this->nSpecie_, Zero),
+    sH_(this->nSpecie_, Zero),
+    sO_(this->nSpecie_, Zero),
+    sN_(this->nSpecie_, Zero),
     sortPart_(0.05)
 {
     const List<List<specieElement>>& specieComposition =
@@ -98,7 +98,7 @@ void Foam::chemistryReductionMethods::EFA<CompType, ThermoType>::reduceMechanism
 )
 {
     scalarField& completeC(this->chemistry_.completeC());
-    scalarField c1(this->chemistry_.nEqns(), 0.0);
+    scalarField c1(this->chemistry_.nEqns(), Zero);
 
     for (label i=0; i<this->nSpecie_; i++)
     {
@@ -111,14 +111,14 @@ void Foam::chemistryReductionMethods::EFA<CompType, ThermoType>::reduceMechanism
 
 
     // Number of initialized rAB for each lines
-    Field<label> NbrABInit(this->nSpecie_,0);
+    Field<label> NbrABInit(this->nSpecie_, Zero);
 
     // Position of the initialized rAB, -1 when not initialized
     RectangularMatrix<label> rABPos(this->nSpecie_, this->nSpecie_, -1);
-    RectangularMatrix<scalar> CFluxAB(this->nSpecie_, this->nSpecie_, 0.0);
-    RectangularMatrix<scalar> HFluxAB(this->nSpecie_, this->nSpecie_, 0.0);
-    RectangularMatrix<scalar> OFluxAB(this->nSpecie_, this->nSpecie_, 0.0);
-    RectangularMatrix<scalar> NFluxAB(this->nSpecie_, this->nSpecie_, 0.0);
+    RectangularMatrix<scalar> CFluxAB(this->nSpecie_, this->nSpecie_, Zero);
+    RectangularMatrix<scalar> HFluxAB(this->nSpecie_, this->nSpecie_, Zero);
+    RectangularMatrix<scalar> OFluxAB(this->nSpecie_, this->nSpecie_, Zero);
+    RectangularMatrix<scalar> NFluxAB(this->nSpecie_, this->nSpecie_, Zero);
     scalar CFlux(0.0), HFlux(0.0), OFlux(0.0), NFlux(0.0);
     label nbPairs(0);
 
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/PFA/PFA.C b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/PFA/PFA.C
index 58c8e43403..9631aae6d6 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/PFA/PFA.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/reduction/PFA/PFA.C
@@ -78,7 +78,7 @@ void Foam::chemistryReductionMethods::PFA<CompType, ThermoType>::reduceMechanism
 )
 {
     scalarField& completeC(this->chemistry_.completeC());
-    scalarField c1(this->chemistry_.nEqns(), 0.0);
+    scalarField c1(this->chemistry_.nEqns(), Zero);
 
     for (label i=0; i<this->nSpecie_; i++)
     {
@@ -90,13 +90,13 @@ void Foam::chemistryReductionMethods::PFA<CompType, ThermoType>::reduceMechanism
     c1[this->nSpecie_+1] = p;
 
     // Compute the rAB matrix
-    RectangularMatrix<scalar> PAB(this->nSpecie_,this->nSpecie_,0.0);
-    RectangularMatrix<scalar> CAB(this->nSpecie_,this->nSpecie_,0.0);
-    scalarField PA(this->nSpecie_,0.0);
-    scalarField CA(this->nSpecie_,0.0);
+    RectangularMatrix<scalar> PAB(this->nSpecie_, this->nSpecie_, Zero);
+    RectangularMatrix<scalar> CAB(this->nSpecie_, this->nSpecie_, Zero);
+    scalarField PA(this->nSpecie_, Zero);
+    scalarField CA(this->nSpecie_, Zero);
 
     // Number of initialized rAB for each lines
-    Field<label> NbrABInit(this->nSpecie_,0);
+    Field<label> NbrABInit(this->nSpecie_, Zero);
     // Position of the initialized rAB, -1 when not initialized
     RectangularMatrix<label> rABPos(this->nSpecie_, this->nSpecie_, -1);
     // Index of the other species involved in the rABNum
@@ -253,11 +253,11 @@ void Foam::chemistryReductionMethods::PFA<CompType, ThermoType>::reduceMechanism
     // is a connection of second generation and it will be aggregated in the
     // final step to evaluate the total connection strength (or path flux).
     // Compute rsecond=rAri*rriB with A!=ri!=B
-    RectangularMatrix<scalar> PAB2nd(this->nSpecie_,this->nSpecie_,0.0);
-    RectangularMatrix<scalar> CAB2nd(this->nSpecie_,this->nSpecie_,0.0);
+    RectangularMatrix<scalar> PAB2nd(this->nSpecie_, this->nSpecie_, Zero);
+    RectangularMatrix<scalar> CAB2nd(this->nSpecie_, this->nSpecie_, Zero);
 
     // Number of initialized rAB for each lines
-    Field<label> NbrABInit2nd(this->nSpecie_, 0);
+    Field<label> NbrABInit2nd(this->nSpecie_, Zero);
 
     // Position of the initialized rAB, -1 when not initialized
     RectangularMatrix<label> rABPos2nd(this->nSpecie_, this->nSpecie_, -1);
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/binaryTree/binaryTree.C b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/binaryTree/binaryTree.C
index 284302ef26..6377288e07 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/binaryTree/binaryTree.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/binaryTree/binaryTree.C
@@ -662,7 +662,7 @@ void Foam::binaryTree<CompType, ThermoType>::balance()
 
     //2) compute the mean composition
     label n = x->phi().size();
-    scalarField mean(n, 0.0);
+    scalarField mean(n, Zero);
     while (x != nullptr)
     {
         const scalarField& phij = x->phi();
@@ -673,7 +673,7 @@ void Foam::binaryTree<CompType, ThermoType>::balance()
     mean /= size_;
 
     //3) compute the variance for each space direction
-    List<scalar> variance(n, 0.0);
+    List<scalar> variance(n, Zero);
     forAll(chemPoints, j)
     {
         const scalarField& phij = chemPoints[j]->phi();
@@ -699,7 +699,7 @@ void Foam::binaryTree<CompType, ThermoType>::balance()
     // in this direction if these extreme points were not deleted in the
     // cleaning that come before the balance function they are still important
     // and the tree should therefore take them into account
-    SortableList<scalar> phiMaxDir(chemPoints.size(), 0.0);
+    SortableList<scalar> phiMaxDir(chemPoints.size(), Zero);
     forAll(chemPoints, j)
     {
         phiMaxDir[j] = chemPoints[j]->phi()[maxDir];
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/chemPointISAT/chemPointISAT.C b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/chemPointISAT/chemPointISAT.C
index fe8693cbe9..5fde763188 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/chemPointISAT/chemPointISAT.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/TDACChemistryModel/tabulation/ISAT/chemPointISAT/chemPointISAT.C
@@ -379,7 +379,7 @@ bool Foam::chemPointISAT<CompType, ThermoType>::inEOA(const scalarField& phiq)
     }
 
     scalar epsTemp = 0;
-    List<scalar> propEps(completeSpaceSize(), scalar(0));
+    List<scalar> propEps(completeSpaceSize(), Zero);
 
     for (label i=0; i<completeSpaceSize()-nAdditionalEqns_; ++i)
     {
@@ -738,7 +738,7 @@ bool Foam::chemPointISAT<CompType, ThermoType>::grow(const scalarField& phiq)
     }
 
     // beginning of grow algorithm
-    scalarField phiTilde(dim, 0);
+    scalarField phiTilde(dim, Zero);
     scalar normPhiTilde = 0;
     // p' = L^T.(p-phi)
 
@@ -770,7 +770,7 @@ bool Foam::chemPointISAT<CompType, ThermoType>::grow(const scalarField& phiq)
     // gamma = (1/|p'| - 1)/|p'|^2
     scalar gamma = (1/normPhiTilde - 1)*invSqrNormPhiTilde;
     scalarField u(gamma*phiTilde);
-    scalarField v(dim, 0);
+    scalarField v(dim, Zero);
 
     for (label i=0; i<dim; ++i)
     {
diff --git a/src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandDiffusiveRadiation/wideBandDiffusiveRadiationMixedFvPatchScalarField.C b/src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandDiffusiveRadiation/wideBandDiffusiveRadiationMixedFvPatchScalarField.C
index ac92af71dd..dd6d0449a0 100644
--- a/src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandDiffusiveRadiation/wideBandDiffusiveRadiationMixedFvPatchScalarField.C
+++ b/src/thermophysicalModels/radiation/derivedFvPatchFields/wideBandDiffusiveRadiation/wideBandDiffusiveRadiationMixedFvPatchScalarField.C
@@ -192,7 +192,7 @@ updateCoeffs()
     */
 
     // Calculate Ir into the wall on the same lambdaId
-    scalarField Ir(patch().size(), 0.0);
+    scalarField Ir(patch().size(), Zero);
     forAll(Iw, facei)
     {
         for (label rayi=0; rayi < dom.nRay(); rayi++)
diff --git a/src/thermophysicalModels/radiation/radiationModels/solarLoad/solarLoad.C b/src/thermophysicalModels/radiation/radiationModels/solarLoad/solarLoad.C
index e938e35de9..fa5526c6ea 100644
--- a/src/thermophysicalModels/radiation/radiationModels/solarLoad/solarLoad.C
+++ b/src/thermophysicalModels/radiation/radiationModels/solarLoad/solarLoad.C
@@ -395,8 +395,8 @@ void Foam::radiation::solarLoad::calculateQdiff
     List<scalar> localCoarsePartialArea(nLocalVFCoarseFaces);
     List<vector> localCoarseNorm(nLocalVFCoarseFaces);
 
-    scalarField compactCoarseRave(map_->constructSize(), 0.0);
-    scalarField compactCoarsePartialArea(map_->constructSize(), 0.0);
+    scalarField compactCoarseRave(map_->constructSize(), Zero);
+    scalarField compactCoarsePartialArea(map_->constructSize(), Zero);
     vectorList compactCoarseNorm(map_->constructSize(), Zero);
 
     const boundaryRadiationProperties& boundaryRadiation =
@@ -423,7 +423,7 @@ void Foam::radiation::solarLoad::calculateQdiff
             coarseToFine_[i] = invertOneToMany(nAgglom, agglom);
         }
 
-        scalarField r(pp.size(), 0.0);
+        scalarField r(pp.size(), Zero);
         for (label bandI = 0; bandI < nBands_; bandI++)
         {
             const tmp<scalarField> tr =
@@ -432,8 +432,8 @@ void Foam::radiation::solarLoad::calculateQdiff
             r += tr();
         }
 
-        scalarList Rave(cpp.size(), 0.0);
-        scalarList area(cpp.size(), 0.0);
+        scalarList Rave(cpp.size(), Zero);
+        scalarList area(cpp.size(), Zero);
 
         const scalarField& sf = mesh_.magSf().boundaryField()[patchID];
 
@@ -497,7 +497,7 @@ void Foam::radiation::solarLoad::calculateQdiff
 
 
     // Calculate coarse hitFaces and Sun direct hit heat fluxes
-    scalarList localqDiffusive(nLocalVFCoarseFaces, 0.0);
+    scalarList localqDiffusive(nLocalVFCoarseFaces, Zero);
 
     label locaFaceI = 0;
     forAll(includePatches_, i)
@@ -509,7 +509,7 @@ void Foam::radiation::solarLoad::calculateQdiff
         const labelList& coarsePatchFace = coarseMesh_->patchFaceMap()[patchID];
         const scalarField& sf = mesh_.magSf().boundaryField()[patchID];
 
-        scalarField a(ppf.size(), 0.0);
+        scalarField a(ppf.size(), Zero);
         for (label bandI = 0; bandI < nBands_; bandI++)
         {
             const tmp<scalarField> ta =
@@ -943,7 +943,7 @@ void Foam::radiation::solarLoad::calculate()
     if (facesChanged)
     {
         // Reset Ru and qr
-        Ru_ = dimensionedScalar("Ru", dimMass/dimLength/pow3(dimTime), 0.0);
+        Ru_ = dimensionedScalar("Ru", dimMass/dimLength/pow3(dimTime), Zero);
         qrBf = 0.0;
 
         // Add direct hit radiation
diff --git a/src/thermophysicalModels/radiation/radiationModels/viewFactor/viewFactor.C b/src/thermophysicalModels/radiation/radiationModels/viewFactor/viewFactor.C
index 959a8f5593..cb90c0bede 100644
--- a/src/thermophysicalModels/radiation/radiationModels/viewFactor/viewFactor.C
+++ b/src/thermophysicalModels/radiation/radiationModels/viewFactor/viewFactor.C
@@ -133,7 +133,7 @@ void Foam::radiation::viewFactor::initialise()
     {
         Fmatrix_.reset
         (
-            new scalarSquareMatrix(totalNCoarseFaces_, 0.0)
+            new scalarSquareMatrix(totalNCoarseFaces_, Zero)
         );
 
         if (debug)
@@ -184,7 +184,7 @@ void Foam::radiation::viewFactor::initialise()
         {
             CLU_.reset
             (
-                new scalarSquareMatrix(totalNCoarseFaces_, 0.0)
+                new scalarSquareMatrix(totalNCoarseFaces_, Zero)
             );
 
             pivotIndices_.setSize(CLU_().m());
@@ -386,9 +386,9 @@ void Foam::radiation::viewFactor::calculate()
         solarLoad_->calculate();
     }
 
-    scalarField compactCoarseT4(map_->constructSize(), 0.0);
-    scalarField compactCoarseE(map_->constructSize(), 0.0);
-    scalarField compactCoarseHo(map_->constructSize(), 0.0);
+    scalarField compactCoarseT4(map_->constructSize(), Zero);
+    scalarField compactCoarseE(map_->constructSize(), Zero);
+    scalarField compactCoarseHo(map_->constructSize(), Zero);
 
     globalIndex globalNumbering(nLocalCoarseFaces_);
 
@@ -426,9 +426,9 @@ void Foam::radiation::viewFactor::calculate()
         const polyPatch& pp = coarseMesh_.boundaryMesh()[patchID];
         const labelList& coarsePatchFace = coarseMesh_.patchFaceMap()[patchID];
 
-        scalarList T4ave(pp.size(), 0.0);
-        scalarList Eave(pp.size(), 0.0);
-        scalarList Hoiave(pp.size(), 0.0);
+        scalarList T4ave(pp.size(), Zero);
+        scalarList Eave(pp.size(), Zero);
+        scalarList Hoiave(pp.size(), Zero);
 
         if (pp.size() > 0)
         {
@@ -487,9 +487,9 @@ void Foam::radiation::viewFactor::calculate()
     map_->distribute(compactGlobalIds);
 
     // Create global size vectors
-    scalarField T4(totalNCoarseFaces_, 0.0);
-    scalarField E(totalNCoarseFaces_, 0.0);
-    scalarField qrExt(totalNCoarseFaces_, 0.0);
+    scalarField T4(totalNCoarseFaces_, Zero);
+    scalarField E(totalNCoarseFaces_, Zero);
+    scalarField qrExt(totalNCoarseFaces_, Zero);
 
     // Fill lists from compact to global indexes.
     forAll(compactCoarseT4, i)
@@ -508,14 +508,14 @@ void Foam::radiation::viewFactor::calculate()
     Pstream::listCombineScatter(qrExt);
 
     // Net radiation
-    scalarField q(totalNCoarseFaces_, 0.0);
+    scalarField q(totalNCoarseFaces_, Zero);
 
     if (Pstream::master())
     {
         // Variable emissivity
         if (!constEmissivity_)
         {
-            scalarSquareMatrix C(totalNCoarseFaces_, 0.0);
+            scalarSquareMatrix C(totalNCoarseFaces_, Zero);
 
             for (label i=0; i<totalNCoarseFaces_; i++)
             {
diff --git a/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanAbsorptionEmission/greyMeanAbsorptionEmission.C b/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanAbsorptionEmission/greyMeanAbsorptionEmission.C
index 7a305c4d53..a5dc91ff2e 100644
--- a/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanAbsorptionEmission/greyMeanAbsorptionEmission.C
+++ b/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanAbsorptionEmission/greyMeanAbsorptionEmission.C
@@ -58,7 +58,7 @@ Foam::radiation::greyMeanAbsorptionEmission::greyMeanAbsorptionEmission
     absorptionEmissionModel(dict, mesh),
     coeffsDict_((dict.optionalSubDict(typeName + "Coeffs"))),
     speciesNames_(0),
-    specieIndex_(label(0)),
+    specieIndex_(Zero),
     lookUpTablePtr_(),
     thermo_(mesh.lookupObject<fluidThermo>(basicThermo::dictName)),
     EhrrCoeff_(coeffsDict_.get<scalar>("EhrrCoeff")),
diff --git a/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanSolidAbsorptionEmission/greyMeanSolidAbsorptionEmission.C b/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanSolidAbsorptionEmission/greyMeanSolidAbsorptionEmission.C
index ce7c831682..300a1c75b1 100644
--- a/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanSolidAbsorptionEmission/greyMeanSolidAbsorptionEmission.C
+++ b/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/greyMeanSolidAbsorptionEmission/greyMeanSolidAbsorptionEmission.C
@@ -53,10 +53,10 @@ greyMeanSolidAbsorptionEmission::X(const word specie) const
     const volScalarField& T = thermo_.T();
     const volScalarField& p = thermo_.p();
 
-    tmp<scalarField> tXj(new scalarField(T.primitiveField().size(), 0.0));
+    tmp<scalarField> tXj(new scalarField(T.primitiveField().size(), Zero));
     scalarField& Xj = tXj.ref();
 
-    tmp<scalarField> tRhoInv(new scalarField(T.primitiveField().size(), 0.0));
+    tmp<scalarField> tRhoInv(new scalarField(T.primitiveField().size(), Zero));
     scalarField& rhoInv = tRhoInv.ref();
 
     forAll(mixture_.Y(), specieI)
diff --git a/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/wideBandAbsorptionEmission/wideBandAbsorptionEmission.C b/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/wideBandAbsorptionEmission/wideBandAbsorptionEmission.C
index a9e1768f25..e8b2f17a70 100644
--- a/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/wideBandAbsorptionEmission/wideBandAbsorptionEmission.C
+++ b/src/thermophysicalModels/radiation/submodels/absorptionEmissionModel/wideBandAbsorptionEmission/wideBandAbsorptionEmission.C
@@ -57,7 +57,7 @@ Foam::radiation::wideBandAbsorptionEmission::wideBandAbsorptionEmission
     absorptionEmissionModel(dict, mesh),
     coeffsDict_((dict.optionalSubDict(typeName + "Coeffs"))),
     speciesNames_(0),
-    specieIndex_(label(0)),
+    specieIndex_(Zero),
     lookUpTablePtr_(),
     thermo_(mesh.lookupObject<fluidThermo>(basicThermo::dictName)),
     Yj_(nSpecies_),
diff --git a/src/thermophysicalModels/reactionThermo/chemistryReaders/chemkinReader/chemkinReader.C b/src/thermophysicalModels/reactionThermo/chemistryReaders/chemkinReader/chemkinReader.C
index afe555a764..70d7cb30e1 100644
--- a/src/thermophysicalModels/reactionThermo/chemistryReaders/chemkinReader/chemkinReader.C
+++ b/src/thermophysicalModels/reactionThermo/chemistryReaders/chemkinReader/chemkinReader.C
@@ -423,7 +423,7 @@ void Foam::chemkinReader::addReaction
 {
     checkCoeffs(ArrheniusCoeffs, "Arrhenius", 3);
 
-    scalarList nAtoms(elementNames_.size(), 0.0);
+    scalarList nAtoms(elementNames_.size(), Zero);
 
     forAll(lhs, i)
     {
diff --git a/src/thermophysicalModels/solidChemistryModel/pyrolysisChemistryModel/pyrolysisChemistryModel.C b/src/thermophysicalModels/solidChemistryModel/pyrolysisChemistryModel/pyrolysisChemistryModel.C
index 91a426f1e7..5dba8faba5 100644
--- a/src/thermophysicalModels/solidChemistryModel/pyrolysisChemistryModel/pyrolysisChemistryModel.C
+++ b/src/thermophysicalModels/solidChemistryModel/pyrolysisChemistryModel/pyrolysisChemistryModel.C
@@ -189,7 +189,7 @@ pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::omega
 
     const label celli = cellCounter_;
 
-    scalarField om(nEqns(), 0.0);
+    scalarField om(nEqns(), Zero);
 
     forAll(this->reactions_, i)
     {
@@ -246,7 +246,7 @@ Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::omega
     label& rRef
 ) const
 {
-    scalarField c1(nSpecie_, 0.0);
+    scalarField c1(nSpecie_, Zero);
 
     label celli = cellCounter_;
 
@@ -351,7 +351,7 @@ jacobian
     const scalar T = c[nSpecie_];
     const scalar p = c[nSpecie_ + 1];
 
-    scalarField c2(nSpecie_, 0.0);
+    scalarField c2(nSpecie_, Zero);
 
     for (label i=0; i<this->nSolids_; i++)
     {
@@ -489,7 +489,7 @@ calculate()
             scalar Ti = this->solidThermo().T()[celli];
             scalar pi = this->solidThermo().p()[celli];
 
-            scalarField c(nSpecie_, 0.0);
+            scalarField c(nSpecie_, Zero);
             for (label i=0; i<this->nSolids_; i++)
             {
                 c[i] = rhoi*this->Ys_[i][celli]*delta;
@@ -551,9 +551,9 @@ Foam::pyrolysisChemistryModel<CompType, SolidThermo, GasThermo>::solve
     const scalarField& T = this->solidThermo().T();
     const scalarField& p = this->solidThermo().p();
 
-    scalarField c(nSpecie_, 0.0);
-    scalarField c0(nSpecie_, 0.0);
-    scalarField dc(nSpecie_, 0.0);
+    scalarField c(nSpecie_, Zero);
+    scalarField c0(nSpecie_, Zero);
+    scalarField dc(nSpecie_, Zero);
     scalarField delta(this->mesh().V());
 
     forAll(rho, celli)
diff --git a/src/thermophysicalModels/thermophysicalPropertiesFvPatchFields/liquidProperties/humidityTemperatureCoupledMixed/humidityTemperatureCoupledMixedFvPatchScalarField.C b/src/thermophysicalModels/thermophysicalPropertiesFvPatchFields/liquidProperties/humidityTemperatureCoupledMixed/humidityTemperatureCoupledMixedFvPatchScalarField.C
index 0175bbc941..e790ccfa3d 100644
--- a/src/thermophysicalModels/thermophysicalPropertiesFvPatchFields/liquidProperties/humidityTemperatureCoupledMixed/humidityTemperatureCoupledMixedFvPatchScalarField.C
+++ b/src/thermophysicalModels/thermophysicalPropertiesFvPatchFields/liquidProperties/humidityTemperatureCoupledMixed/humidityTemperatureCoupledMixedFvPatchScalarField.C
@@ -140,17 +140,17 @@ humidityTemperatureCoupledMixedFvPatchScalarField
     specieName_("none"),
     liquid_(nullptr),
     liquidDict_(nullptr),
-    mass_(patch().size(), 0.0),
+    mass_(patch().size(), Zero),
     Tvap_(0.0),
-    myKDelta_(patch().size(), 0.0),
-    dmHfg_(patch().size(), 0.0),
-    mpCpTp_(patch().size(), 0.0),
+    myKDelta_(patch().size(), Zero),
+    dmHfg_(patch().size(), Zero),
+    mpCpTp_(patch().size(), Zero),
     Mcomp_(0.0),
     L_(0.0),
     fluid_(false),
-    cp_(patch().size(), 0.0),
-    thickness_(patch().size(), 0.0),
-    rho_(patch().size(), 0.0)
+    cp_(patch().size(), Zero),
+    thickness_(patch().size(), Zero),
+    rho_(patch().size(), Zero)
 {
     this->refValue() = 0.0;
     this->refGrad() = 0.0;
@@ -215,17 +215,17 @@ humidityTemperatureCoupledMixedFvPatchScalarField
     specieName_(dict.lookupOrDefault<word>("specie", "none")),
     liquid_(nullptr),
     liquidDict_(),
-    mass_(patch().size(), 0.0),
+    mass_(patch().size(), Zero),
     Tvap_(0.0),
-    myKDelta_(patch().size(), 0.0),
-    dmHfg_(patch().size(), 0.0),
-    mpCpTp_(patch().size(), 0.0),
+    myKDelta_(patch().size(), Zero),
+    dmHfg_(patch().size(), Zero),
+    mpCpTp_(patch().size(), Zero),
     Mcomp_(0.0),
     L_(0.0),
     fluid_(false),
-    cp_(patch().size(), 0.0),
-    thickness_(patch().size(), 0.0),
-    rho_(patch().size(), 0.0)
+    cp_(patch().size(), Zero),
+    thickness_(patch().size(), Zero),
+    rho_(patch().size(), Zero)
 {
     if (!isA<mappedPatchBase>(this->patch().patch()))
     {
@@ -459,22 +459,22 @@ void Foam::humidityTemperatureCoupledMixedFvPatchScalarField::updateCoeffs()
 
     myKDelta_ = K*patch().deltaCoeffs();
 
-    scalarField dm(patch().size(), 0.0);
+    scalarField dm(patch().size(), Zero);
 
     // Fluid Side
     if (fluid_)
     {
-        scalarField Yvp(patch().size(), 0.0);
+        scalarField Yvp(patch().size(), Zero);
         const scalar dt = mesh.time().deltaTValue();
 
         const scalarField myDelta(patch().deltaCoeffs());
 
         if (mode_ != mtConstantMass)
         {
-            scalarField cp(patch().size(), 0.0);
-            scalarField hfg(patch().size(), 0.0);
+            scalarField cp(patch().size(), Zero);
+            scalarField hfg(patch().size(), Zero);
             scalarField htc(patch().size(), GREAT);
-            scalarField liquidRho(patch().size(), 0.0);
+            scalarField liquidRho(patch().size(), Zero);
 
             fixedGradientFvPatchField<scalar>& Yp =
                 const_cast<fixedGradientFvPatchField<scalar>&>
@@ -648,8 +648,8 @@ void Foam::humidityTemperatureCoupledMixedFvPatchScalarField::updateCoeffs()
         }
     }
 
-    scalarField mpCpTpNbr(patch().size(), 0.0);
-    scalarField dmHfgNbr(patch().size(), 0.0);
+    scalarField mpCpTpNbr(patch().size(), Zero);
+    scalarField dmHfgNbr(patch().size(), Zero);
 
     if (!fluid_)
     {
@@ -661,13 +661,13 @@ void Foam::humidityTemperatureCoupledMixedFvPatchScalarField::updateCoeffs()
     }
 
     // Obtain Rad heat (qr)
-    scalarField qr(Tp.size(), 0.0);
+    scalarField qr(Tp.size(), Zero);
     if (qrName_ != "none")
     {
         qr = patch().lookupPatchField<volScalarField, scalar>(qrName_);
     }
 
-    scalarField qrNbr(Tp.size(), 0.0);
+    scalarField qrNbr(Tp.size(), Zero);
     if (qrNbrName_ != "none")
     {
         qrNbr = nbrPatch.lookupPatchField<volScalarField, scalar>(qrNbrName_);
diff --git a/src/topoChangerFvMesh/mixerFvMesh/mixerFvMesh.C b/src/topoChangerFvMesh/mixerFvMesh/mixerFvMesh.C
index f127828a69..50ce27074e 100644
--- a/src/topoChangerFvMesh/mixerFvMesh/mixerFvMesh.C
+++ b/src/topoChangerFvMesh/mixerFvMesh/mixerFvMesh.C
@@ -187,7 +187,7 @@ void Foam::mixerFvMesh::calcMovingMasks() const
     }
 
     // Set the point mask
-    movingPointsMaskPtr_ = new scalarField(points().size(), 0);
+    movingPointsMaskPtr_ = new scalarField(points().size(), Zero);
     scalarField& movingPointsMask = *movingPointsMaskPtr_;
 
     const cellList& c = cells();
diff --git a/src/transportModels/twoPhaseProperties/alphaFixedPressure/alphaFixedPressureFvPatchScalarField.C b/src/transportModels/twoPhaseProperties/alphaFixedPressure/alphaFixedPressureFvPatchScalarField.C
index 71a4e94b61..4dd2ffe01d 100644
--- a/src/transportModels/twoPhaseProperties/alphaFixedPressure/alphaFixedPressureFvPatchScalarField.C
+++ b/src/transportModels/twoPhaseProperties/alphaFixedPressure/alphaFixedPressureFvPatchScalarField.C
@@ -40,7 +40,7 @@ alphaFixedPressureFvPatchScalarField
 )
 :
     fixedValueFvPatchScalarField(p, iF),
-    p_(p.size(), 0.0)
+    p_(p.size(), Zero)
 {}
 
 
diff --git a/src/waveModels/waveGenerationModels/derived/Boussinesq/BoussinesqWaveModel.C b/src/waveModels/waveGenerationModels/derived/Boussinesq/BoussinesqWaveModel.C
index 0bb09af194..3068399852 100644
--- a/src/waveModels/waveGenerationModels/derived/Boussinesq/BoussinesqWaveModel.C
+++ b/src/waveModels/waveGenerationModels/derived/Boussinesq/BoussinesqWaveModel.C
@@ -76,7 +76,7 @@ Foam::vector Foam::waveModels::Boussinesq::Deta
     const scalar X0
 ) const
 {
-    vector deta(vector::zero);
+    vector deta(Zero);
 
     scalar C = sqrt(mag(g_)*(H + h));
     scalar ts = 3.5*h/sqrt(H/h);
diff --git a/src/waveModels/waveModel/waveModel.C b/src/waveModels/waveModel/waveModel.C
index 0d2871acd0..fa52645b75 100644
--- a/src/waveModels/waveModel/waveModel.C
+++ b/src/waveModels/waveModel/waveModel.C
@@ -134,8 +134,8 @@ Foam::tmp<Foam::scalarField> Foam::waveModel::waterLevel() const
     const scalarField alphac(alphap.patchInternalField());
 
     const scalarField& magSf = alphap.patch().magSf();
-    scalarList paddleMagSf(nPaddle_, 0.0);
-    scalarList paddleWettedMagSf(nPaddle_, 0.0);
+    scalarList paddleMagSf(nPaddle_, Zero);
+    scalarList paddleWettedMagSf(nPaddle_, Zero);
 
     forAll(alphac, facei)
     {
@@ -277,8 +277,8 @@ Foam::waveModel::waveModel
     initialDepth_(0),
     currTimeIndex_(-1),
     activeAbsorption_(false),
-    U_(patch.size(), vector::zero),
-    alpha_(patch.size(), 0)
+    U_(patch.size(), Zero),
+    alpha_(patch.size(), Zero)
 {
     if (readFields)
     {
@@ -359,7 +359,7 @@ void Foam::waveModel::correct(const scalar t)
         alpha_ = 0;
 
         // Update the calculated water level field
-        scalarField calculatedLevel(nPaddle_, 0);
+        scalarField calculatedLevel(nPaddle_, Zero);
 
         if (patch_.size())
         {
diff --git a/tutorials/incompressible/pimpleFoam/laminar/planarPoiseuille/validation/WatersKing/WatersKing.C b/tutorials/incompressible/pimpleFoam/laminar/planarPoiseuille/validation/WatersKing/WatersKing.C
index c396a09bcf..212b966f63 100644
--- a/tutorials/incompressible/pimpleFoam/laminar/planarPoiseuille/validation/WatersKing/WatersKing.C
+++ b/tutorials/incompressible/pimpleFoam/laminar/planarPoiseuille/validation/WatersKing/WatersKing.C
@@ -83,10 +83,10 @@ int main(int argc, char *argv[])
 
     label order = 8;
 
-    scalarField ak(order, 0);
-    scalarField bk(order, 0);
-    scalarField ck(order, 0);
-    scalarField B(order, 0);
+    scalarField ak(order, Zero);
+    scalarField bk(order, Zero);
+    scalarField ck(order, Zero);
+    scalarField B(order, Zero);
 
     forAll(ak, i)
     {
@@ -98,7 +98,7 @@ int main(int argc, char *argv[])
                 ::cos((2*k - 1)*constant::mathematical::pi*y/2);
     }
 
-    scalarField A(order, 0);
+    scalarField A(order, Zero);
     OFstream file(runTime.path()/"WatersKing.dat");
     const scalar LOGVGREAT = ::log(VGREAT);
     while (!runTime.end())