STYLE: use new fvPatch::start() method

applications/test/nearWallDist-wave/testWallDist2.C

@@ -176,8 +176,7 @@ int main(int argc, char *argv[])
 
             forAll(patchField, patchFaceI)
             {
-                label meshFaceI =
+                const label meshFaceI = patchField.patch().start() + patchFaceI;
-                    patchField.patch().patch().start() + patchFaceI;
 
                 scalar dist = faceInfo[meshFaceI].distSqr();
                 if (faceInfo[meshFaceI].valid())

src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.C

@@ -332,7 +332,7 @@ Foam::dynamicRefineFvMesh::refine
                 const fvsPatchScalarField& patchPhiU =
                     phiU.boundaryField()[patchI];
 
-                label faceI = patchPhi.patch().patch().start();
+                label faceI = patchPhi.patch().start();
 
                 forAll(patchPhi, i)
                 {

src/dynamicMesh/fvMeshDistribute/fvMeshDistributeTemplates.C

@@ -186,7 +186,7 @@ void Foam::fvMeshDistribute::mapBoundaryFields
         forAll(bfld, patchI)
         {
             fvsPatchField<T>& patchFld = bfld[patchI];
-            label faceI = patchFld.patch().patch().start();
+            label faceI = patchFld.patch().start();
 
             forAll(patchFld, i)
             {

src/finiteVolume/fields/fvPatchFields/derived/activeBaffleVelocity/activeBaffleVelocityFvPatchVectorField.C

@@ -231,7 +231,7 @@ void Foam::activeBaffleVelocityFvPatchVectorField::updateCoeffs()
 
         Info<< "openFraction = " << openFraction_ << endl;
 
-        vectorField::subField Sfw = patch().patch().faceAreas();
+        vectorField::subField Sfw = this->patch().patch().faceAreas();
         vectorField newSfw = (1 - openFraction_)*initWallSf_;
         forAll(Sfw, facei)
         {

src/finiteVolume/fields/fvPatchFields/derived/directMappedFixedValue/directMappedFixedValueFvPatchField.C

@@ -249,7 +249,7 @@ void directMappedFixedValueFvPatchField<Type>::updateCoeffs()
             {
                 const fvPatchField<Type>& pf =
                     nbrField.boundaryField()[patchI];
-                label faceStart = pf.patch().patch().start();
+                label faceStart = pf.patch().start();
 
                 forAll(pf, faceI)
                 {

src/finiteVolume/fields/fvPatchFields/derived/directMappedVelocityFluxFixedValue/directMappedVelocityFluxFixedValueFvPatchField.C

@@ -116,7 +116,7 @@ directMappedVelocityFluxFixedValueFvPatchField
     // Force calculation of schedule (uses parallel comms)
     const directMappedPolyPatch& mpp = refCast<const directMappedPolyPatch>
     (
-        patch().patch()
+        this->patch().patch()
     );
     (void)mpp.map().schedule();
 }
@@ -187,7 +187,7 @@ void directMappedVelocityFluxFixedValueFvPatchField::updateCoeffs()
                 const fvPatchVectorField& Upf = UField.boundaryField()[patchI];
                 const scalarField& phipf = phiField.boundaryField()[patchI];
 
-                label faceStart = Upf.patch().patch().start();
+                label faceStart = Upf.patch().start();
 
                 forAll(Upf, faceI)
                 {

src/finiteVolume/fvMesh/extendedStencil/cellToFace/extendedCellToFaceStencilTemplates.C

@@ -139,7 +139,7 @@ Foam::extendedCellToFaceStencil::weightedSum
 
         if (pSfCorr.coupled())
         {
-            label faceI = pSfCorr.patch().patch().start();
+            label faceI = pSfCorr.patch().start();
 
             forAll(pSfCorr, i)
             {

src/finiteVolume/fvMesh/extendedStencil/cellToFace/extendedUpwindCellToFaceStencilTemplates.C

@@ -106,7 +106,7 @@ Foam::extendedUpwindCellToFaceStencil::weightedSum
 
         if (pSfCorr.coupled())
         {
-            label faceI = pSfCorr.patch().patch().start();
+            label faceI = pSfCorr.patch().start();
 
             forAll(pSfCorr, i)
             {

src/finiteVolume/fvMesh/fvMeshSubset/fvMeshSubsetInterpolate.C

@@ -73,14 +73,14 @@ tmp<GeometricField<Type, fvPatchField, volMesh> > fvMeshSubset::interpolate
             // Construct addressing
             const fvPatch& subPatch = sMesh.boundary()[patchI];
             const fvPatch& basePatch = vf.mesh().boundary()[patchMap[patchI]];
-            label baseStart = basePatch.patch().start();
+            const label baseStart = basePatch.start();
-            label baseSize = basePatch.size();
+            const label baseSize = basePatch.size();
 
             labelList directAddressing(subPatch.size());
 
             forAll(directAddressing, i)
             {
-                label baseFaceI = faceMap[subPatch.patch().start()+i];
+                label baseFaceI = faceMap[subPatch.start()+i];
 
                 if (baseFaceI >= baseStart && baseFaceI < baseStart+baseSize)
                 {
@@ -197,14 +197,14 @@ tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > fvMeshSubset::interpolate
             // Construct addressing
             const fvPatch& subPatch = sMesh.boundary()[patchI];
             const fvPatch& basePatch = vf.mesh().boundary()[patchMap[patchI]];
-            label baseStart = basePatch.patch().start();
+            const label baseStart = basePatch.start();
-            label baseSize = basePatch.size();
+            const label baseSize = basePatch.size();
 
             labelList directAddressing(subPatch.size());
 
             forAll(directAddressing, i)
             {
-                label baseFaceI = faceMap[subPatch.patch().start()+i];
+                label baseFaceI = faceMap[subPatch.start()+i];
 
                 if (baseFaceI >= baseStart && baseFaceI < baseStart+baseSize)
                 {
@@ -239,7 +239,7 @@ tmp<GeometricField<Type, fvsPatchField, surfaceMesh> > fvMeshSubset::interpolate
     {
         fvsPatchField<Type>& pfld = patchFields[patchI];
 
-        label meshFaceI = pfld.patch().patch().start();
+        label meshFaceI = pfld.patch().start();
 
         forAll(pfld, i)
         {

src/finiteVolume/interpolation/surfaceInterpolation/schemes/CentredFitScheme/CentredFitData.C

@@ -103,7 +103,7 @@ void Foam::CentredFitData<Polynomial>::calcFit()
 
         if (pw.coupled())
         {
-            label facei = pw.patch().patch().start();
+            label facei = pw.patch().start();
 
             forAll(pw, i)
             {

src/finiteVolume/interpolation/surfaceInterpolation/schemes/UpwindFitScheme/UpwindFitData.C

@@ -121,7 +121,7 @@ void Foam::UpwindFitData<Polynomial>::calcFit()
 
         if (pw.coupled())
         {
-            label facei = pw.patch().patch().start();
+            label facei = pw.patch().start();
 
             forAll(pw, i)
             {
@@ -180,7 +180,7 @@ void Foam::UpwindFitData<Polynomial>::calcFit()
 
         if (pw.coupled())
         {
-            label facei = pw.patch().patch().start();
+            label facei = pw.patch().start();
 
             forAll(pw, i)
             {

src/fvMotionSolver/motionDiffusivity/inverseFaceDistance/inverseFaceDistanceDiffusivity.C

@@ -144,7 +144,7 @@ void Foam::inverseFaceDistanceDiffusivity::correct()
         }
         else
         {
-            label start = bfld.patch().patch().start();
+            const label start = bfld.patch().start();
 
             forAll(bfld, i)
             {

src/fvMotionSolver/motionDiffusivity/inversePointDistance/inversePointDistanceDiffusivity.C

@@ -190,7 +190,7 @@ void Foam::inversePointDistanceDiffusivity::correct()
         }
         else
         {
-            label start = bfld.patch().patch().start();
+            const label start = bfld.patch().start();
 
             forAll(bfld, i)
             {

src/surfaceFilmModels/derivedFvPatchFields/directMappedFixedInternalValue/directMappedFixedInternalValueFvPatchField.C

@@ -111,8 +111,10 @@ void directMappedFixedInternalValueFvPatchField<Type>::updateCoeffs()
     directMappedFixedValueFvPatchField<Type>::updateCoeffs();
 
     // Get the coupling information from the directMappedPatchBase
-    const directMappedPatchBase& mpp =
+    const directMappedPatchBase& mpp = refCast<const directMappedPatchBase>
-        refCast<const directMappedPatchBase>(this->patch().patch());
+    (
+        this->patch().patch()
+    );
     const polyMesh& nbrMesh = mpp.sampleMesh();
     const fvPatch& nbrPatch =
         refCast<const fvMesh>

src/topoChangerFvMesh/rawTopoChangerFvMesh/rawTopoChangerFvMeshTemplates.C

@@ -45,7 +45,7 @@ void Foam::rawTopoChangerFvMesh::setUnmappedValues
             fld.boundaryField()[patchI]
         );
 
-        label start = fvp.patch().patch().start();
+        const label start = fvp.patch().start();
         forAll(fvp, i)
         {
             if (!mappedFace[start+i])

src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentTemperatureCoupledBaffle/turbulentTemperatureCoupledBaffleFvPatchScalarField.C

@@ -237,7 +237,7 @@ void Foam::turbulentTemperatureCoupledBaffleFvPatchScalarField::updateCoeffs()
     // Get the coupling information from the directMappedPatchBase
     const directMappedPatchBase& mpp = refCast<const directMappedPatchBase>
     (
-        patch().patch()
+        this->patch().patch()
     );
     const polyMesh& nbrMesh = mpp.sampleMesh();
     const fvPatch& nbrPatch = refCast<const fvMesh>

src/turbulenceModels/compressible/RAS/derivedFvPatchFields/turbulentTemperatureCoupledBaffleMixed/turbulentTemperatureCoupledBaffleMixedFvPatchScalarField.C

@@ -200,7 +200,7 @@ void turbulentTemperatureCoupledBaffleMixedFvPatchScalarField::updateCoeffs()
     // Get the coupling information from the directMappedPatchBase
     const directMappedPatchBase& mpp = refCast<const directMappedPatchBase>
     (
-        patch().patch()
+        this->patch().patch()
     );
     const polyMesh& nbrMesh = mpp.sampleMesh();
     const fvPatch& nbrPatch = refCast<const fvMesh>