RELEASE: Updated version to v2206

2022-06-24 15:41:02 +01:00
450 changed files with 4491 additions and 6704 deletions
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@ -5,8 +5,6 @@ It is likely incomplete...

 ## Contributors (alphabetical by surname)

- Tetsuo Aoyagi
- Akira Azami
 - William Bainbridge
 - Gabriel Barajas
 - Kutalmis Bercin
@ -21,7 +19,6 @@ It is likely incomplete...
 - Bernhard Gschaider
 - Andrew Heather
 - David Hill
- Yoshiaki Inoue
 - Mattijs Janssens
 - Andrew Jackson
 - Hrvoje Jasak
--- a/applications/solvers/combustion/fireFoam/createClouds.H
+++ b/applications/solvers/combustion/fireFoam/createClouds.H
@ -1,9 +1,9 @@
 Info<< "\nConstructing reacting cloud" << endl;
-reactingCloud parcels
+basicReactingCloud parcels
 (
    "reactingCloud1",
-    g,
    rho,
    U,
+    g,
    slgThermo
 );
--- a/applications/solvers/combustion/fireFoam/fireFoam.C
+++ b/applications/solvers/combustion/fireFoam/fireFoam.C
@ -37,7 +37,7 @@ Description

 #include "fvCFD.H"
 #include "turbulentFluidThermoModel.H"
-#include "reactingCloud.H"
+#include "basicReactingCloud.H"
 #include "surfaceFilmModel.H"
 #include "pyrolysisModelCollection.H"
 #include "radiationModel.H"
--- a/applications/solvers/lagrangian/DPMFoam/DPMDyMFoam/DPMDyMFoam.C
+++ b/applications/solvers/lagrangian/DPMFoam/DPMDyMFoam/DPMDyMFoam.C
@ -42,11 +42,11 @@ Description
 #include "CorrectPhi.H"

 #ifdef MPPIC
-    #include "kinematicCloud.H"
-    #define kinematicTypeCloud kinematicCloud
+    #include "basicKinematicCloud.H"
+    #define basicKinematicTypeCloud basicKinematicCloud
 #else
-    #include "kinematicCollidingCloud.H"
-    #define kinematicTypeCloud kinematicCollidingCloud
+    #include "basicKinematicCollidingCloud.H"
+    #define basicKinematicTypeCloud basicKinematicCollidingCloud
 #endif

 int main(int argc, char *argv[])
@ -88,7 +88,7 @@ int main(int argc, char *argv[])
        Info<< "Time = " << runTime.timeName() << nl << endl;

        // Store the particle positions
-        kCloud.storeGlobalPositions();
+        kinematicCloud.storeGlobalPositions();

        mesh.update();

@ -111,15 +111,15 @@ int main(int argc, char *argv[])
        continuousPhaseTransport.correct();
        muc = rhoc*continuousPhaseTransport.nu();

-        kCloud.evolve();
+        kinematicCloud.evolve();

        // Update continuous phase volume fraction field
-        alphac = max(1.0 - kCloud.theta(), alphacMin);
+        alphac = max(1.0 - kinematicCloud.theta(), alphacMin);
        alphac.correctBoundaryConditions();
        alphacf = fvc::interpolate(alphac);
        alphaPhic = alphacf*phic;

-        fvVectorMatrix cloudSU(kCloud.SU(Uc));
+        fvVectorMatrix cloudSU(kinematicCloud.SU(Uc));
        volVectorField cloudVolSUSu
        (
            IOobject
--- a/applications/solvers/lagrangian/DPMFoam/DPMDyMFoam/MPPICDyMFoam/Make/options
+++ b/applications/solvers/lagrangian/DPMFoam/DPMDyMFoam/MPPICDyMFoam/Make/options
@ -12,8 +12,6 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
    -I$(LIB_SRC)/transportModels \
    -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
--- a/applications/solvers/lagrangian/DPMFoam/DPMDyMFoam/Make/options
+++ b/applications/solvers/lagrangian/DPMFoam/DPMDyMFoam/Make/options
@ -11,11 +11,8 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
    -I$(LIB_SRC)/transportModels \
    -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
-    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/phaseIncompressible/lnInclude \
--- a/applications/solvers/lagrangian/DPMFoam/DPMFoam.C
+++ b/applications/solvers/lagrangian/DPMFoam/DPMFoam.C
@ -43,11 +43,11 @@ Description
 #include "pimpleControl.H"

 #ifdef MPPIC
-    #include "kinematicCloud.H"
-    #define kinematicTypeCloud kinematicCloud
+    #include "basicKinematicCloud.H"
+    #define basicKinematicTypeCloud basicKinematicCloud
 #else
-    #include "kinematicCollidingCloud.H"
-    #define kinematicTypeCloud kinematicCollidingCloud
+    #include "basicKinematicCollidingCloud.H"
+    #define basicKinematicTypeCloud basicKinematicCollidingCloud
 #endif

 int main(int argc, char *argv[])
@ -91,16 +91,16 @@ int main(int argc, char *argv[])
        continuousPhaseTransport.correct();
        muc = rhoc*continuousPhaseTransport.nu();

-        Info<< "Evolving " << kCloud.name() << endl;
-        kCloud.evolve();
+        Info<< "Evolving " << kinematicCloud.name() << endl;
+        kinematicCloud.evolve();

        // Update continuous phase volume fraction field
-        alphac = max(1.0 - kCloud.theta(), alphacMin);
+        alphac = max(1.0 - kinematicCloud.theta(), alphacMin);
        alphac.correctBoundaryConditions();
        alphacf = fvc::interpolate(alphac);
        alphaPhic = alphacf*phic;

-        fvVectorMatrix cloudSU(kCloud.SU(Uc));
+        fvVectorMatrix cloudSU(kinematicCloud.SU(Uc));
        volVectorField cloudVolSUSu
        (
            IOobject
--- a/applications/solvers/lagrangian/DPMFoam/MPPICFoam/Make/options
+++ b/applications/solvers/lagrangian/DPMFoam/MPPICFoam/Make/options
@ -10,8 +10,6 @@ EXE_INC = \
    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
    -I$(LIB_SRC)/transportModels \
    -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
--- a/applications/solvers/lagrangian/DPMFoam/Make/options
+++ b/applications/solvers/lagrangian/DPMFoam/Make/options
@ -10,11 +10,8 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
    -I$(LIB_SRC)/transportModels \
    -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
-    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
--- a/applications/solvers/lagrangian/DPMFoam/createFields.H
+++ b/applications/solvers/lagrangian/DPMFoam/createFields.H
@ -125,13 +125,13 @@ const word kinematicCloudName
 );

 Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;
-kinematicTypeCloud kCloud
+basicKinematicTypeCloud kinematicCloud
 (
    kinematicCloudName,
-    g,
    rhoc,
    Uc,
-    muc
+    muc,
+    g
 );

 // Particle fraction upper limit
@ -139,13 +139,13 @@ scalar alphacMin
 (
    1.0
  - (
-        kCloud.particleProperties().subDict("constantProperties")
+        kinematicCloud.particleProperties().subDict("constantProperties")
       .get<scalar>("alphaMax")
    )
 );

 // Update alphac from the particle locations
-alphac = max(1.0 - kCloud.theta(), alphacMin);
+alphac = max(1.0 - kinematicCloud.theta(), alphacMin);
 alphac.correctBoundaryConditions();

 surfaceScalarField alphacf("alphacf", fvc::interpolate(alphac));
--- a/applications/solvers/lagrangian/coalChemistryFoam/Make/options
+++ b/applications/solvers/lagrangian/coalChemistryFoam/Make/options
@ -6,6 +6,7 @@ EXE_INC = \
    -I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
    -I$(LIB_SRC)/lagrangian/basic/lnInclude \
    -I$(LIB_SRC)/lagrangian/intermediate/lnInclude \
+    -I$(LIB_SRC)/lagrangian/coalCombustion/lnInclude \
    -I$(LIB_SRC)/lagrangian/distributionModels/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
@ -34,6 +35,7 @@ EXE_LIBS = \
    -llagrangian \
    -llagrangianIntermediate \
    -llagrangianTurbulence \
+    -lcoalCombustion\
    -lspecie \
    -lcompressibleTransportModels \
    -lfluidThermophysicalModels \
--- a/applications/solvers/lagrangian/coalChemistryFoam/coalChemistryFoam.C
+++ b/applications/solvers/lagrangian/coalChemistryFoam/coalChemistryFoam.C
@ -37,8 +37,8 @@ Description

 #include "fvCFD.H"
 #include "turbulentFluidThermoModel.H"
-#include "thermoCloud.H"
-#include "reactingMultiphaseCloud.H"
+#include "basicThermoCloud.H"
+#include "coalCloud.H"
 #include "psiReactionThermo.H"
 #include "CombustionModel.H"
 #include "fvOptions.H"
--- a/applications/solvers/lagrangian/coalChemistryFoam/createClouds.H
+++ b/applications/solvers/lagrangian/coalChemistryFoam/createClouds.H
@ -1,19 +1,19 @@
 Info<< "\nConstructing coal cloud" << endl;
-reactingMultiphaseCloud coalParcels
+coalCloud coalParcels
 (
    "coalCloud1",
-    g,
    rho,
    U,
+    g,
    slgThermo
 );

 Info<< "\nConstructing limestone cloud" << endl;
-thermoCloud limestoneParcels
+basicThermoCloud limestoneParcels
 (
    "limestoneCloud1",
-    g,
    rho,
    U,
+    g,
    slgThermo
 );
--- a/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/Make/options
+++ b/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/Make/options
@ -9,8 +9,6 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
    -I$(LIB_SRC)/transportModels \
--- a/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/createFields.H
+++ b/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/createFields.H
@ -63,13 +63,13 @@ const word kinematicCloudName
 );

 Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;
-kinematicCollidingCloud kCloud
+basicKinematicCollidingCloud kinematicCloud
 (
    kinematicCloudName,
-    g,
    rhoInf,
    U,
-    mu
+    mu,
+    g
 );

 IOobject Hheader
--- a/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/icoUncoupledKinematicParcelDyMFoam/Make/options
+++ b/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/icoUncoupledKinematicParcelDyMFoam/Make/options
@ -10,8 +10,6 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
    -I$(LIB_SRC)/transportModels \
--- a/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/icoUncoupledKinematicParcelDyMFoam/icoUncoupledKinematicParcelDyMFoam.C
+++ b/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/icoUncoupledKinematicParcelDyMFoam/icoUncoupledKinematicParcelDyMFoam.C
@ -41,7 +41,7 @@ Description
 #include "dynamicFvMesh.H"
 #include "singlePhaseTransportModel.H"
 #include "turbulentTransportModel.H"
-#include "kinematicCollidingCloud.H"
+#include "basicKinematicCollidingCloud.H"

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

@ -76,19 +76,19 @@ int main(int argc, char *argv[])
    {
        Info<< "Time = " << runTime.timeName() << nl << endl;

-        kCloud.storeGlobalPositions();
+        kinematicCloud.storeGlobalPositions();

        mesh.update();

        U.correctBoundaryConditions();

-        Info<< "Evolving " << kCloud.name() << endl;
+        Info<< "Evolving " << kinematicCloud.name() << endl;

        laminarTransport.correct();

        mu = laminarTransport.nu()*rhoInfValue;

-        kCloud.evolve();
+        kinematicCloud.evolve();

        runTime.write();

--- a/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/icoUncoupledKinematicParcelFoam.C
+++ b/applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/icoUncoupledKinematicParcelFoam.C
@ -40,7 +40,7 @@ Description
 #include "fvCFD.H"
 #include "singlePhaseTransportModel.H"
 #include "turbulentTransportModel.H"
-#include "kinematicCollidingCloud.H"
+#include "basicKinematicCollidingCloud.H"

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

@ -75,13 +75,13 @@ int main(int argc, char *argv[])
    {
        Info<< "Time = " << runTime.timeName() << nl << endl;

-        Info<< "Evolving " << kCloud.name() << endl;
+        Info<< "Evolving " << kinematicCloud.name() << endl;

        laminarTransport.correct();

        mu = laminarTransport.nu()*rhoInfValue;

-        kCloud.evolve();
+        kinematicCloud.evolve();

        runTime.write();

--- a/applications/solvers/lagrangian/kinematicParcelFoam/Make/options
+++ b/applications/solvers/lagrangian/kinematicParcelFoam/Make/options
@ -8,12 +8,6 @@ EXE_INC = \
    -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
    -I$(LIB_SRC)/transportModels \
    -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
-    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
    -I$(LIB_SRC)/dynamicMesh/lnInclude \
    -I$(LIB_SRC)/dynamicFvMesh/lnInclude \
    -I$(LIB_SRC)/lagrangian/distributionModels/lnInclude \
--- a/applications/solvers/lagrangian/kinematicParcelFoam/UEqn.H
+++ b/applications/solvers/lagrangian/kinematicParcelFoam/UEqn.H
@ -6,7 +6,7 @@
      + MRF.DDt(U)
      + turbulence->divDevReff(U)
     ==
-        scalar(1)/rhoInfValue*parcels.SU(U)
+        parcels.SU(U, true)
      + fvOptions(U)
    );

--- a/applications/solvers/lagrangian/kinematicParcelFoam/createClouds.H
+++ b/applications/solvers/lagrangian/kinematicParcelFoam/createClouds.H
@ -4,12 +4,13 @@ const word kinematicCloudName
 );

 Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;
-kinematicCloud parcels
+
+basicKinematicCloud parcels
 (
    kinematicCloudName,
-    g,
    rhoInf,
    U,
-    muc
+    muc,
+    g
 );

--- a/applications/solvers/lagrangian/kinematicParcelFoam/kinematicParcelFoam.C
+++ b/applications/solvers/lagrangian/kinematicParcelFoam/kinematicParcelFoam.C
@ -40,7 +40,7 @@ Description
 #include "singlePhaseTransportModel.H"
 #include "turbulentTransportModel.H"
 #include "surfaceFilmModel.H"
-#include "kinematicCloud.H"
+#include "basicKinematicCloud.H"
 #include "fvOptions.H"
 #include "pimpleControl.H"
 #include "CorrectPhi.H"
@ -67,6 +67,7 @@ int main(int argc, char *argv[])
    #include "createDyMControls.H"
    #include "createFields.H"
    #include "createFieldRefs.H"
+    #include "createRegionControls.H"
    #include "createUfIfPresent.H"

    turbulence->validate();
@ -94,7 +95,7 @@ int main(int argc, char *argv[])
        // Do any mesh changes
        mesh.update();

-        if (pimple.solveFlow() && mesh.changing())
+        if (solvePrimaryRegion && mesh.changing())
        {
            MRF.update();

@ -119,7 +120,7 @@ int main(int argc, char *argv[])
        parcels.evolve();
        surfaceFilm.evolve();

-        if (pimple.solveFlow())
+        if (solvePrimaryRegion)
        {
            // --- PIMPLE loop
            while (pimple.loop())
--- a/applications/solvers/lagrangian/parcelFoam/Make/files
+++ b/applications/solvers/lagrangian/parcelFoam/Make/files
@ -1,3 +0,0 @@
-parcelFoam.C
-
-EXE = $(FOAM_USER_APPBIN)/parcelFoam
--- a/applications/solvers/lagrangian/parcelFoam/UEqn.H
+++ b/applications/solvers/lagrangian/parcelFoam/UEqn.H
@ -1,22 +0,0 @@
-    MRF.correctBoundaryVelocity(U);
-
-    fvVectorMatrix UEqn
-    (
-        fvm::ddt(U) + fvm::div(phi, U)
-      + MRF.DDt(U)
-      + turbulence->divDevReff(U)
-     ==
-        scalar(1)/rhoInfValue*parcels.SU(U)
-      + fvOptions(U)
-    );
-
-    UEqn.relax();
-
-    fvOptions.constrain(UEqn);
-
-    if (pimple.momentumPredictor())
-    {
-        solve(UEqn == -fvc::grad(p));
-
-        fvOptions.correct(U);
-    }
--- a/applications/solvers/lagrangian/parcelFoam/createClouds.H
+++ b/applications/solvers/lagrangian/parcelFoam/createClouds.H
@ -1,2 +0,0 @@
-auto parcels = parcelCloudModelList(g, rhoInf, U, muc);
-
--- a/applications/solvers/lagrangian/parcelFoam/createFieldRefs.H
+++ b/applications/solvers/lagrangian/parcelFoam/createFieldRefs.H
@ -1 +0,0 @@
-regionModels::surfaceFilmModel& surfaceFilm = tsurfaceFilm();
--- a/applications/solvers/lagrangian/parcelFoam/createFields.H
+++ b/applications/solvers/lagrangian/parcelFoam/createFields.H
@ -1,85 +0,0 @@
-#include "readGravitationalAcceleration.H"
-
-Info<< "Reading field p\n" << endl;
-volScalarField p
-(
-    IOobject
-    (
-        "p",
-        runTime.timeName(),
-        mesh,
-        IOobject::MUST_READ,
-        IOobject::AUTO_WRITE
-    ),
-    mesh
-);
-
-Info<< "\nReading field U\n" << endl;
-volVectorField U
-(
-    IOobject
-    (
-        "U",
-        runTime.timeName(),
-        mesh,
-        IOobject::MUST_READ,
-        IOobject::AUTO_WRITE
-    ),
-    mesh
-);
-
-#include "createPhi.H"
-
-singlePhaseTransportModel laminarTransport(U, phi);
-
-dimensionedScalar rhoInfValue
-(
-    "rhoInf",
-    dimDensity,
-    laminarTransport
-);
-
-volScalarField rhoInf
-(
-    IOobject
-    (
-        "rho",
-        runTime.timeName(),
-        mesh,
-        IOobject::NO_READ,
-        IOobject::NO_WRITE
-    ),
-    mesh,
-    rhoInfValue
-);
-
-volScalarField muc
-(
-    IOobject
-    (
-        "muc",
-        runTime.timeName(),
-        mesh,
-        IOobject::NO_READ,
-        IOobject::NO_WRITE
-    ),
-    rhoInf*laminarTransport.nu()
-);
-
-Info<< "Creating turbulence model\n" << endl;
-autoPtr<incompressible::turbulenceModel> turbulence
-(
-    incompressible::turbulenceModel::New(U, phi, laminarTransport)
-);
-
-label pRefCell = 0;
-scalar pRefValue = 0.0;
-setRefCell(p, pimple.dict(), pRefCell, pRefValue);
-mesh.setFluxRequired(p.name());
-
-#include "createMRF.H"
-#include "createClouds.H"
-#include "createSurfaceFilmModel.H"
-#include "createFvOptions.H"
-
-
--- a/applications/solvers/lagrangian/parcelFoam/pEqn.H
+++ b/applications/solvers/lagrangian/parcelFoam/pEqn.H
@ -1,58 +0,0 @@
-
-volScalarField rAU(1.0/UEqn.A());
-volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p));
-
-surfaceScalarField phiHbyA("phiHbyA", fvc::flux(HbyA));
-
-if (pimple.ddtCorr())
-{
-    phiHbyA += MRF.zeroFilter(fvc::interpolate(rAU)*fvc::ddtCorr(U, phi, Uf));
-}
-
-MRF.makeRelative(phiHbyA);
-
-if (p.needReference())
-{
-    fvc::makeRelative(phiHbyA, U);
-    adjustPhi(phiHbyA, U, p);
-    fvc::makeAbsolute(phiHbyA, U);
-}
-
-
-// Update the pressure BCs to ensure flux consistency
-constrainPressure(p, U, phiHbyA, rAU, MRF);
-
-// Non-orthogonal pressure corrector loop
-while (pimple.correctNonOrthogonal())
-{
-    fvScalarMatrix pEqn
-    (
-        fvm::laplacian(rAU, p)
-     ==
-        fvc::div(phiHbyA)
-    );
-
-    pEqn.setReference(pRefCell, pRefValue);
-
-    pEqn.solve(mesh.solver(p.select(pimple.finalInnerIter())));
-
-    if (pimple.finalNonOrthogonalIter())
-    {
-        phi = phiHbyA - pEqn.flux();
-    }
-}
-
-#include "continuityErrs.H"
-
-p.relax();
-
-U = HbyA - rAU*fvc::grad(p);
-U.correctBoundaryConditions();
-fvOptions.correct(U);
-
-// Correct rhoUf if the mesh is moving
-fvc::correctUf(Uf, U, phi);
-
-// Make the fluxes relative to the mesh motion
-fvc::makeRelative(phi, U);
-
--- a/applications/solvers/lagrangian/parcelFoam/parcelFoam.C
+++ b/applications/solvers/lagrangian/parcelFoam/parcelFoam.C
@ -1,154 +0,0 @@
-/*---------------------------------------------------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     |
-    \\  /    A nd           | www.openfoam.com
-     \\/     M anipulation  |
-------------------------------------------------------------------------------
-    Copyright (C) 2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
-License
-    This file is part of OpenFOAM.
-
-    OpenFOAM is free software: you can redistribute it and/or modify it
-    under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-    for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-
-Application
-    parcelFoam
-
-Group
-    grpLagrangianSolvers
-
-Description
-    Transient solver for incompressible, turbulent flow with kinematic,
-    particle cloud, and surface film modelling.
-
-\*---------------------------------------------------------------------------*/
-
-#include "fvCFD.H"
-#include "dynamicFvMesh.H"
-#include "singlePhaseTransportModel.H"
-#include "turbulentTransportModel.H"
-#include "surfaceFilmModel.H"
-#include "parcelCloudModelList.H"
-#include "fvOptions.H"
-#include "pimpleControl.H"
-#include "CorrectPhi.H"
-
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-int main(int argc, char *argv[])
-{
-    argList::addNote
-    (
-        "Transient solver for incompressible, turbulent flow"
-        " with kinematic particle clouds"
-        " and surface film modelling."
-    );
-
-    #define CREATE_MESH createMeshesPostProcess.H
-    #include "postProcess.H"
-
-    #include "addCheckCaseOptions.H"
-    #include "setRootCaseLists.H"
-    #include "createTime.H"
-    #include "createDynamicFvMesh.H"
-    #include "initContinuityErrs.H"
-    #include "createDyMControls.H"
-    #include "createFields.H"
-    #include "createFieldRefs.H"
-    #include "createUfIfPresent.H"
-
-    turbulence->validate();
-
-    #include "CourantNo.H"
-    #include "setInitialDeltaT.H"
-
-    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-    Info<< "\nStarting time loop\n" << endl;
-
-    while (runTime.run())
-    {
-        #include "readDyMControls.H"
-        #include "CourantNo.H"
-        #include "setMultiRegionDeltaT.H"
-
-        ++runTime;
-
-        Info<< "Time = " << runTime.timeName() << nl << endl;
-
-        // Store the particle positions
-        parcels.storeGlobalPositions();
-
-        // Do any mesh changes
-        mesh.update();
-
-        if (pimple.solveFlow() && mesh.changing())
-        {
-            MRF.update();
-
-            if (correctPhi)
-            {
-                // Calculate absolute flux
-                // from the mapped surface velocity
-                phi = mesh.Sf() & Uf();
-
-                #include "../../incompressible/pimpleFoam/correctPhi.H"
-
-                // Make the fluxes relative to the mesh-motion
-                fvc::makeRelative(phi, U);
-            }
-
-            if (checkMeshCourantNo)
-            {
-                #include "meshCourantNo.H"
-            }
-        }
-
-        parcels.evolve();
-        surfaceFilm.evolve();
-
-        if (pimple.solveFlow())
-        {
-            // --- PIMPLE loop
-            while (pimple.loop())
-            {
-                #include "UEqn.H"
-
-                // --- Pressure corrector loop
-                while (pimple.correct())
-                {
-                    #include "pEqn.H"
-                }
-
-                if (pimple.turbCorr())
-                {
-                    laminarTransport.correct();
-                    turbulence->correct();
-                }
-            }
-        }
-
-        runTime.write();
-
-        runTime.printExecutionTime(Info);
-    }
-
-    Info<< "End\n" << endl;
-
-    return 0;
-}
-
-
-// ************************************************************************* //
--- a/applications/solvers/lagrangian/reactingParcelFoam/createClouds.H
+++ b/applications/solvers/lagrangian/reactingParcelFoam/createClouds.H
@ -1,9 +1,9 @@
 Info<< "\nConstructing reacting cloud" << endl;
-reactingTypeCloud parcels
+basicReactingTypeCloud parcels
 (
    "reactingCloud1",
-    g,
    rho,
    U,
+    g,
    slgThermo
 );
--- a/applications/solvers/lagrangian/reactingParcelFoam/reactingHeterogenousParcelFoam/reactingHeterogenousParcelFoam.C
+++ b/applications/solvers/lagrangian/reactingParcelFoam/reactingHeterogenousParcelFoam/reactingHeterogenousParcelFoam.C
@ -37,8 +37,8 @@ Description

 \*---------------------------------------------------------------------------*/

-#define CLOUD_BASE_TYPE heterogeneousReacting
-#define CLOUD_BASE_TYPE_NAME "heterogeneousReacting"
+#define CLOUD_BASE_TYPE HeterogeneousReacting
+#define CLOUD_BASE_TYPE_NAME "HeterogeneousReacting"

 #include "reactingParcelFoam.C"

--- a/applications/solvers/lagrangian/reactingParcelFoam/reactingParcelFoam.C
+++ b/applications/solvers/lagrangian/reactingParcelFoam/reactingParcelFoam.C
@ -53,12 +53,12 @@ Description
 #include "cloudMacros.H"

 #ifndef CLOUD_BASE_TYPE
-    #define CLOUD_BASE_TYPE reactingMultiphase
+    #define CLOUD_BASE_TYPE ReactingMultiphase
    #define CLOUD_BASE_TYPE_NAME "reacting"
 #endif

 #include CLOUD_INCLUDE_FILE(CLOUD_BASE_TYPE)
-#define reactingTypeCloud CLOUD_TYPE(CLOUD_BASE_TYPE)
+#define basicReactingTypeCloud CLOUD_TYPE(CLOUD_BASE_TYPE)

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

@ -81,6 +81,7 @@ int main(int argc, char *argv[])
    #include "createDyMControls.H"
    #include "createFields.H"
    #include "createFieldRefs.H"
+    #include "createRegionControls.H"
    #include "initContinuityErrs.H"
    #include "createRhoUfIfPresent.H"

@ -104,7 +105,7 @@ int main(int argc, char *argv[])
        // so that it can be mapped and used in correctPhi
        // to ensure the corrected phi has the same divergence
        autoPtr<volScalarField> divrhoU;
-        if (pimple.solveFlow() && correctPhi)
+        if (solvePrimaryRegion && correctPhi)
        {
            divrhoU.reset
            (
@ -132,7 +133,7 @@ int main(int argc, char *argv[])

        // Store momentum to set rhoUf for introduced faces.
        autoPtr<volVectorField> rhoU;
-        if (pimple.solveFlow() && rhoUf.valid())
+        if (solvePrimaryRegion && rhoUf.valid())
        {
            rhoU.reset(new volVectorField("rhoU", rho*U));
        }
@ -143,7 +144,7 @@ int main(int argc, char *argv[])
        // Do any mesh changes
        mesh.update();

-        if (pimple.solveFlow() && mesh.changing())
+        if (solvePrimaryRegion && mesh.changing())
        {
            gh = (g & mesh.C()) - ghRef;
            ghf = (g & mesh.Cf()) - ghRef;
@ -171,7 +172,7 @@ int main(int argc, char *argv[])
        parcels.evolve();
        surfaceFilm.evolve();

-        if (pimple.solveFlow())
+        if (solvePrimaryRegion)
        {
            if (pimple.nCorrPIMPLE() <= 1)
            {
--- a/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/Make/options
+++ b/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/Make/options
@ -7,6 +7,7 @@ EXE_INC = \
    -I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
    -I$(LIB_SRC)/lagrangian/basic/lnInclude \
    -I$(LIB_SRC)/lagrangian/intermediate/lnInclude \
+    -I$(LIB_SRC)/lagrangian/coalCombustion/lnInclude \
    -I$(LIB_SRC)/lagrangian/distributionModels/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
--- a/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/createClouds.H
+++ b/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/createClouds.H
@ -1,9 +1,9 @@
 Info<< "\nConstructing " << CLOUD_BASE_TYPE_NAME << " cloud" << endl;
-reactingTypeCloud parcels
+basicReactingTypeCloud parcels
 (
    word(CLOUD_BASE_TYPE_NAME) & "Cloud1",
-    g,
    rho,
    U,
+    g,
    slgThermo
 );
--- a/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/simpleReactingParcelFoam.C
+++ b/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/simpleReactingParcelFoam.C
@ -45,13 +45,13 @@ Description
 #include "cloudMacros.H"

 #ifndef CLOUD_BASE_TYPE
-    #define CLOUD_BASE_TYPE reactingMultiphase
+    #define CLOUD_BASE_TYPE ReactingMultiphase
    //#define CLOUD_BASE_TYPE_NAME "reactingMultiphase" Backwards compat
    #define CLOUD_BASE_TYPE_NAME "reacting"
 #endif

 #include CLOUD_INCLUDE_FILE(CLOUD_BASE_TYPE)
-#define reactingTypeCloud CLOUD_TYPE(CLOUD_BASE_TYPE)
+#define basicReactingTypeCloud CLOUD_TYPE(CLOUD_BASE_TYPE)

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

--- a/applications/solvers/lagrangian/rhoParcelFoam/EEqn.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/EEqn.H
@ -1,41 +0,0 @@
-{
-    volScalarField& he = thermo.he();
-
-    fvScalarMatrix EEqn
-    (
-        fvm::ddt(rho, he) + mvConvection->fvmDiv(phi, he)
-      + fvc::ddt(rho, K) + fvc::div(phi, K)
-      + (
-            he.name() == "e"
-          ? fvc::div
-            (
-                fvc::absolute(phi/fvc::interpolate(rho), U),
-                p,
-                "div(phiv,p)"
-            )
-          : -dpdt
-        )
-      - fvm::laplacian(turbulence->alphaEff(), he)
-     ==
-        rho*(U&g)
-      + parcels.Sh(he)
-      + surfaceFilm.Sh()
-      + radiation->Sh(thermo, he)
-      + Qdot
-      + fvOptions(rho, he)
-    );
-
-    EEqn.relax();
-
-    fvOptions.constrain(EEqn);
-
-    EEqn.solve();
-
-    fvOptions.correct(he);
-
-    thermo.correct();
-    radiation->correct();
-
-    Info<< "T gas min/max   = " << min(T).value() << ", "
-        << max(T).value() << endl;
-}
--- a/applications/solvers/lagrangian/rhoParcelFoam/Make/files
+++ b/applications/solvers/lagrangian/rhoParcelFoam/Make/files
@ -1,3 +0,0 @@
-rhoParcelFoam.C
-
-EXE = $(FOAM_USER_APPBIN)/rhoParcelFoam
--- a/applications/solvers/lagrangian/rhoParcelFoam/UEqn.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/UEqn.H
@ -1,34 +0,0 @@
-    MRF.correctBoundaryVelocity(U);
-
-    fvVectorMatrix UEqn
-    (
-        fvm::ddt(rho, U) + fvm::div(phi, U)
-      + MRF.DDt(rho, U)
-      + turbulence->divDevRhoReff(U)
-     ==
-        parcels.SU(U)
-      + fvOptions(rho, U)
-    );
-
-    UEqn.relax();
-
-    fvOptions.constrain(UEqn);
-
-    if (pimple.momentumPredictor())
-    {
-        solve
-        (
-            UEqn
-          ==
-            fvc::reconstruct
-            (
-                (
-                  - ghf*fvc::snGrad(rho)
-                  - fvc::snGrad(p_rgh)
-                )*mesh.magSf()
-            )
-        );
-
-        fvOptions.correct(U);
-        K = 0.5*magSqr(U);
-    }
--- a/applications/solvers/lagrangian/rhoParcelFoam/YEqn.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/YEqn.H
@ -1,51 +0,0 @@
-tmp<fv::convectionScheme<scalar>> mvConvection
-(
-    fv::convectionScheme<scalar>::New
-    (
-        mesh,
-        fields,
-        phi,
-        mesh.divScheme("div(phi,Yi_h)")
-    )
-);
-
-
-{
-    combustion->correct();
-    Qdot = combustion->Qdot();
-    volScalarField Yt(0.0*Y[0]);
-
-    forAll(Y, i)
-    {
-        if (i != inertIndex && composition.active(i))
-        {
-            volScalarField& Yi = Y[i];
-
-            fvScalarMatrix YEqn
-            (
-                fvm::ddt(rho, Yi)
-              + mvConvection->fvmDiv(phi, Yi)
-              - fvm::laplacian(turbulence->muEff(), Yi)
-              ==
-                parcels.SYi(i, Yi)
-              + fvOptions(rho, Yi)
-              + combustion->R(Yi)
-              + surfaceFilm.Srho(i)
-            );
-
-            YEqn.relax();
-
-            fvOptions.constrain(YEqn);
-
-            YEqn.solve(mesh.solver("Yi"));
-
-            fvOptions.correct(Yi);
-
-            Yi.max(0.0);
-            Yt += Yi;
-        }
-    }
-
-    Y[inertIndex] = scalar(1) - Yt;
-    Y[inertIndex].max(0.0);
-}
--- a/applications/solvers/lagrangian/rhoParcelFoam/createClouds.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/createClouds.H
@ -1,3 +0,0 @@
-Info<< "\nConstructing cloud" << endl;
-
-auto parcels = parcelCloudModelList(g, rho, U, slgThermo);
--- a/applications/solvers/lagrangian/rhoParcelFoam/createFieldRefs.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/createFieldRefs.H
@ -1,5 +0,0 @@
-const volScalarField& T = thermo.T();
-const volScalarField& psi = thermo.psi();
-const label inertIndex(composition.species().find(inertSpecie));
-
-regionModels::surfaceFilmModel& surfaceFilm = tsurfaceFilm();
--- a/applications/solvers/lagrangian/rhoParcelFoam/createFields.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/createFields.H
@ -1,132 +0,0 @@
-#include "createRDeltaT.H"
-
-Info<< "Reading thermophysical properties\n" << endl;
-autoPtr<rhoReactionThermo> pThermo(rhoReactionThermo::New(mesh));
-rhoReactionThermo& thermo = pThermo();
-thermo.validate(args.executable(), "h", "e");
-
-SLGThermo slgThermo(mesh, thermo);
-
-basicSpecieMixture& composition = thermo.composition();
-PtrList<volScalarField>& Y = composition.Y();
-
-const word inertSpecie(thermo.get<word>("inertSpecie"));
-if
-(
-    !composition.species().found(inertSpecie)
-  && composition.species().size() > 0
-)
-{
-    FatalIOErrorIn(args.executable().c_str(), thermo)
-        << "Inert specie " << inertSpecie << " not found in available species "
-        << composition.species()
-        << exit(FatalIOError);
-}
-
-Info<< "Creating field rho\n" << endl;
-volScalarField rho
-(
-    IOobject
-    (
-        "rho",
-        runTime.timeName(),
-        mesh,
-        IOobject::NO_READ,
-        IOobject::AUTO_WRITE
-    ),
-    thermo.rho()
-);
-
-volScalarField& p = thermo.p();
-
-Info<< "\nReading field U\n" << endl;
-volVectorField U
-(
-    IOobject
-    (
-        "U",
-        runTime.timeName(),
-        mesh,
-        IOobject::MUST_READ,
-        IOobject::AUTO_WRITE
-    ),
-    mesh
-);
-
-#include "compressibleCreatePhi.H"
-
-Info<< "Creating turbulence model\n" << endl;
-autoPtr<compressible::turbulenceModel> turbulence
-(
-    compressible::turbulenceModel::New
-    (
-        rho,
-        U,
-        phi,
-        thermo
-    )
-);
-
-Info<< "Creating combustion model\n" << endl;
-autoPtr<CombustionModel<rhoReactionThermo>> combustion
-(
-    CombustionModel<rhoReactionThermo>::New(thermo, turbulence())
-);
-
-#include "readGravitationalAcceleration.H"
-#include "readhRef.H"
-#include "gh.H"
-
-
-volScalarField p_rgh
-(
-    IOobject
-    (
-        "p_rgh",
-        runTime.timeName(),
-        mesh,
-        IOobject::MUST_READ,
-        IOobject::AUTO_WRITE
-    ),
-    mesh
-);
-
-// Force p_rgh to be consistent with p
-p_rgh = p - rho*gh;
-
-pressureControl pressureControl(p, rho, pimple.dict(), false);
-
-mesh.setFluxRequired(p_rgh.name());
-
-Info<< "Creating multi-variate interpolation scheme\n" << endl;
-multivariateSurfaceInterpolationScheme<scalar>::fieldTable fields;
-
-forAll(Y, i)
-{
-    fields.add(Y[i]);
-}
-fields.add(thermo.he());
-
-volScalarField Qdot
-(
-    IOobject
-    (
-        "Qdot",
-        runTime.timeName(),
-        mesh,
-        IOobject::READ_IF_PRESENT,
-        IOobject::AUTO_WRITE
-    ),
-    mesh,
-    dimensionedScalar(dimEnergy/dimVolume/dimTime, Zero)
-);
-
-#include "createDpdt.H"
-
-#include "createK.H"
-
-#include "createMRF.H"
-#include "createRadiationModel.H"
-#include "createClouds.H"
-#include "createSurfaceFilmModel.H"
-#include "createFvOptions.H"
--- a/applications/solvers/lagrangian/rhoParcelFoam/createMeshesPostProcess.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/createMeshesPostProcess.H
@ -1,35 +0,0 @@
-#include "createMesh.H"
-
-dictionary filmDict;
-
-IOobject io
-(
-    "surfaceFilmProperties",
-    mesh.time().constant(),
-    mesh,
-    IOobject::READ_IF_PRESENT,
-    IOobject::NO_WRITE,
-    false
-);
-
-if (io.typeHeaderOk<IOdictionary>())
-{
-    IOdictionary propDict(io);
-
-    filmDict = std::move(propDict);
-
-    const word filmRegionName = filmDict.get<word>("region");
-
-    fvMesh filmMesh
-    (
-        IOobject
-        (
-            filmRegionName,
-            runTime.timeName(),
-            runTime,
-            IOobject::MUST_READ
-        )
-    );
-}
-
-
--- a/applications/solvers/lagrangian/rhoParcelFoam/createSurfaceFilmModel.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/createSurfaceFilmModel.H
@ -1,6 +0,0 @@
-Info<< "\nConstructing surface film model" << endl;
-
-autoPtr<regionModels::surfaceFilmModel> tsurfaceFilm
-(
-    regionModels::surfaceFilmModel::New(mesh, g)
-);
--- a/applications/solvers/lagrangian/rhoParcelFoam/pEqn.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/pEqn.H
@ -1,96 +0,0 @@
-if (!pimple.SIMPLErho())
-{
-    rho = thermo.rho();
-}
-
-// Thermodynamic density needs to be updated by psi*d(p) after the
-// pressure solution
-const volScalarField psip0(psi*p);
-
-volScalarField rAU(1.0/UEqn.A());
-surfaceScalarField rhorAUf("rhorAUf", fvc::interpolate(rho*rAU));
-volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p));
-
-surfaceScalarField phig(-rhorAUf*ghf*fvc::snGrad(rho)*mesh.magSf());
-
-surfaceScalarField phiHbyA
-(
-    "phiHbyA",
-    (
-        fvc::flux(rho*HbyA)
-      + MRF.zeroFilter(rhorAUf*fvc::ddtCorr(rho, U, phi))
-    )
-  + phig
-);
-
-fvc::makeRelative(phiHbyA, rho, U);
-MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
-
-// Update the pressure BCs to ensure flux consistency
-constrainPressure(p_rgh, rho, U, phiHbyA, rhorAUf, MRF);
-
-fvScalarMatrix p_rghDDtEqn
-(
-    fvc::ddt(rho) + psi*correction(fvm::ddt(p_rgh))
-  + fvc::div(phiHbyA)
- ==
-    parcels.Srho()
-  + surfaceFilm.Srho()
-  + fvOptions(psi, p_rgh, rho.name())
-);
-
-while (pimple.correctNonOrthogonal())
-{
-    fvScalarMatrix p_rghEqn
-    (
-        p_rghDDtEqn
-      - fvm::laplacian(rhorAUf, p_rgh)
-    );
-
-    p_rghEqn.solve(mesh.solver(p_rgh.select(pimple.finalInnerIter())));
-
-    if (pimple.finalNonOrthogonalIter())
-    {
-        phi = phiHbyA + p_rghEqn.flux();
-
-        // Explicitly relax pressure for momentum corrector
-        p_rgh.relax();
-
-        U = HbyA + rAU*fvc::reconstruct((p_rghEqn.flux() + phig)/rhorAUf);
-        U.correctBoundaryConditions();
-        fvOptions.correct(U);
-        K = 0.5*magSqr(U);
-    }
-}
-
-p = p_rgh + rho*gh;
-
-// Thermodynamic density update
-thermo.correctRho(psi*p - psip0);
-
-#include "rhoEqn.H"
-#include "compressibleContinuityErrs.H"
-
-if (pressureControl.limit(p))
-{
-    p.correctBoundaryConditions();
-    rho = thermo.rho();
-    p_rgh = p - rho*gh;
-}
-else if (pimple.SIMPLErho())
-{
-    rho = thermo.rho();
-}
-
-// Correct rhoUf if the mesh is moving
-fvc::correctRhoUf(rhoUf, rho, U, phi);
-
-if (thermo.dpdt())
-{
-    dpdt = fvc::ddt(p);
-
-    if (mesh.moving())
-    {
-        dpdt -= fvc::div(fvc::meshPhi(rho, U), p);
-    }
-}
--- a/applications/solvers/lagrangian/rhoParcelFoam/rhoEqn.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/rhoEqn.H
@ -1,50 +0,0 @@
-/*---------------------------------------------------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     |
-    \\  /    A nd           | www.openfoam.com
-     \\/     M anipulation  |
-------------------------------------------------------------------------------
-    Copyright (C) 2011-2017 OpenFOAM Foundation
-------------------------------------------------------------------------------
-License
-    This file is part of OpenFOAM.
-
-    OpenFOAM is free software: you can redistribute it and/or modify it
-    under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-    for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-
-Global
-    rhoEqn
-
-Description
-    Solve the continuity for density.
-
-\*---------------------------------------------------------------------------*/
-
-{
-    fvScalarMatrix rhoEqn
-    (
-        fvm::ddt(rho)
-      + fvc::div(phi)
-      ==
-        parcels.Srho(rho)
-      + surfaceFilm.Srho()
-      + fvOptions(rho)
-    );
-
-    rhoEqn.solve();
-
-    fvOptions.correct(rho);
-}
-
-// ************************************************************************* //
--- a/applications/solvers/lagrangian/rhoParcelFoam/rhoParcelFoam.C
+++ b/applications/solvers/lagrangian/rhoParcelFoam/rhoParcelFoam.C
@ -1,206 +0,0 @@
-/*---------------------------------------------------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     |
-    \\  /    A nd           | www.openfoam.com
-     \\/     M anipulation  |
-------------------------------------------------------------------------------
-    Copyright (C) 2011-2020 OpenFOAM Foundation
-    Copyright (C) 2018-2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
-License
-    This file is part of OpenFOAM.
-
-    OpenFOAM is free software: you can redistribute it and/or modify it
-    under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-    for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-
-Application
-    rhoParcelFoam
-
-Group
-    grpLagrangianSolvers
-
-Description
-    Transient solver for compressible, turbulent flow with a reacting,
-    multiphase particle cloud, and surface film modelling.
-
-\*---------------------------------------------------------------------------*/
-
-#include "fvCFD.H"
-#include "dynamicFvMesh.H"
-#include "turbulentFluidThermoModel.H"
-#include "surfaceFilmModel.H"
-#include "rhoReactionThermo.H"
-#include "CombustionModel.H"
-#include "radiationModel.H"
-#include "SLGThermo.H"
-#include "fvOptions.H"
-#include "pimpleControl.H"
-#include "pressureControl.H"
-#include "CorrectPhi.H"
-#include "localEulerDdtScheme.H"
-#include "fvcSmooth.H"
-
-#include "parcelCloudModelList.H"
-
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-int main(int argc, char *argv[])
-{
-    argList::addNote
-    (
-        "Transient solver for compressible, turbulent flow"
-        " with lagrangian parcel clouds and surface film modelling."
-    );
-
-    #define CREATE_MESH createMeshesPostProcess.H
-    #include "postProcess.H"
-
-    #include "addCheckCaseOptions.H"
-    #include "setRootCaseLists.H"
-    #include "createTime.H"
-    #include "createDynamicFvMesh.H"
-    #include "createDyMControls.H"
-    #include "createFields.H"
-    #include "createFieldRefs.H"
-    #include "initContinuityErrs.H"
-    #include "createRhoUfIfPresent.H"
-
-    turbulence->validate();
-
-    if (!LTS)
-    {
-        #include "compressibleCourantNo.H"
-        #include "setInitialDeltaT.H"
-    }
-
-    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-    Info<< "\nStarting time loop\n" << endl;
-
-    while (runTime.run())
-    {
-        #include "readDyMControls.H"
-
-        // Store divrhoU from the previous mesh
-        // so that it can be mapped and used in correctPhi
-        // to ensure the corrected phi has the same divergence
-        autoPtr<volScalarField> divrhoU;
-        if (pimple.solveFlow() && correctPhi)
-        {
-            divrhoU.reset
-            (
-                new volScalarField
-                (
-                    "divrhoU",
-                    fvc::div(fvc::absolute(phi, rho, U))
-                )
-            );
-        }
-
-        if (LTS)
-        {
-            #include "setRDeltaT.H"
-        }
-        else
-        {
-            #include "compressibleCourantNo.H"
-            #include "setMultiRegionDeltaT.H"
-        }
-
-        ++runTime;
-
-        Info<< "Time = " << runTime.timeName() << nl << endl;
-
-        // Store momentum to set rhoUf for introduced faces.
-        autoPtr<volVectorField> rhoU;
-        if (pimple.solveFlow() && rhoUf.valid())
-        {
-            rhoU.reset(new volVectorField("rhoU", rho*U));
-        }
-
-        // Store the particle positions
-        parcels.storeGlobalPositions();
-
-        // Do any mesh changes
-        mesh.update();
-
-        if (pimple.solveFlow() && mesh.changing())
-        {
-            gh = (g & mesh.C()) - ghRef;
-            ghf = (g & mesh.Cf()) - ghRef;
-
-            MRF.update();
-
-            if (correctPhi)
-            {
-                // Calculate absolute flux
-                // from the mapped surface velocity
-                phi = mesh.Sf() & rhoUf();
-
-                #include "../../compressible/rhoPimpleFoam/correctPhi.H"
-
-                // Make the fluxes relative to the mesh-motion
-                fvc::makeRelative(phi, rho, U);
-            }
-
-            if (checkMeshCourantNo)
-            {
-                #include "meshCourantNo.H"
-            }
-        }
-
-        parcels.evolve();
-        surfaceFilm.evolve();
-
-        if (pimple.solveFlow())
-        {
-            if (pimple.nCorrPIMPLE() <= 1)
-            {
-                #include "rhoEqn.H"
-            }
-
-            // --- PIMPLE loop
-            while (pimple.loop())
-            {
-                #include "UEqn.H"
-                #include "YEqn.H"
-                #include "EEqn.H"
-
-                // --- Pressure corrector loop
-                while (pimple.correct())
-                {
-                    #include "pEqn.H"
-                }
-
-                if (pimple.turbCorr())
-                {
-                    turbulence->correct();
-                }
-            }
-
-            rho = thermo.rho();
-        }
-
-        runTime.write();
-
-        runTime.printExecutionTime(Info);
-    }
-
-    Info<< "End\n" << endl;
-
-    return 0;
-}
-
-
-// ************************************************************************* //
--- a/applications/solvers/lagrangian/rhoParcelFoam/setMultiRegionDeltaT.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/setMultiRegionDeltaT.H
@ -1,55 +0,0 @@
-/*---------------------------------------------------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     |
-    \\  /    A nd           | www.openfoam.com
-     \\/     M anipulation  |
-------------------------------------------------------------------------------
-    Copyright (C) 2011-2017 OpenFOAM Foundation
-------------------------------------------------------------------------------
-License
-    This file is part of OpenFOAM.
-
-    OpenFOAM is free software: you can redistribute it and/or modify it
-    under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-    for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-
-Global
-    setMultiRegionDeltaT
-
-Description
-    Reset the timestep to maintain a constant maximum Courant numbers.
-    Reduction of time-step is immediate, but increase is damped to avoid
-    unstable oscillations.
-
-\*---------------------------------------------------------------------------*/
-
-if (adjustTimeStep)
-{
-    const scalar maxDeltaTFact =
-        min(maxCo/(CoNum + SMALL), maxCo/(surfaceFilm.CourantNumber() + SMALL));
-    const scalar deltaTFact =
-        min(min(maxDeltaTFact, 1.0 + 0.1*maxDeltaTFact), 1.2);
-
-    runTime.setDeltaT
-    (
-        min
-        (
-            deltaTFact*runTime.deltaTValue(),
-            maxDeltaT
-        )
-    );
-
-    Info<< "deltaT = " <<  runTime.deltaTValue() << endl;
-}
-
-// ************************************************************************* //
--- a/applications/solvers/lagrangian/rhoParcelFoam/setRDeltaT.H
+++ b/applications/solvers/lagrangian/rhoParcelFoam/setRDeltaT.H
@ -1,137 +0,0 @@
-/*---------------------------------------------------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     |
-    \\  /    A nd           | www.openfoam.com
-     \\/     M anipulation  |
-------------------------------------------------------------------------------
-    Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2020 OpenCFD Ltd.
-------------------------------------------------------------------------------
-License
-    This file is part of OpenFOAM.
-
-    OpenFOAM is free software: you can redistribute it and/or modify it
-    under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-    for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-
-\*---------------------------------------------------------------------------*/
-
-{
-    volScalarField& rDeltaT = trDeltaT.ref();
-
-    const dictionary& pimpleDict = pimple.dict();
-
-    // Maximum flow Courant number
-    scalar maxCo(pimpleDict.get<scalar>("maxCo"));
-
-    // Maximum time scale
-    scalar maxDeltaT(pimpleDict.getOrDefault<scalar>("maxDeltaT", GREAT));
-
-    // Smoothing parameter (0-1) when smoothing iterations > 0
-    scalar rDeltaTSmoothingCoeff
-    (
-        pimpleDict.getOrDefault<scalar>("rDeltaTSmoothingCoeff", 0.1)
-    );
-
-    // Damping coefficient (1-0)
-    scalar rDeltaTDampingCoeff
-    (
-        pimpleDict.getOrDefault<scalar>("rDeltaTDampingCoeff", 0.2)
-    );
-
-    // Maximum change in cell temperature per iteration
-    // (relative to previous value)
-    scalar alphaTemp(pimpleDict.getOrDefault("alphaTemp", 0.05));
-
-
-    Info<< "Time scales min/max:" << endl;
-
-    // Cache old reciprocal time scale field
-    volScalarField rDeltaT0("rDeltaT0", rDeltaT);
-
-    // Flow time scale
-    {
-        rDeltaT.ref() =
-        (
-            fvc::surfaceSum(mag(phi))()()
-           /((2*maxCo)*mesh.V()*rho())
-        );
-
-        // Limit the largest time scale
-        rDeltaT.max(1/maxDeltaT);
-
-        Info<< "    Flow        = "
-            << gMin(1/rDeltaT.primitiveField()) << ", "
-            << gMax(1/rDeltaT.primitiveField()) << endl;
-    }
-
-    // Reaction source time scale
-    {
-        volScalarField::Internal rDeltaTT
-        (
-            mag
-            (
-                parcels.hsTrans()/(mesh.V()*runTime.deltaT())
-              + Qdot()
-            )
-           /(
-               alphaTemp
-              *rho()
-              *thermo.Cp()()()
-              *T()
-           )
-        );
-
-        Info<< "    Temperature = "
-            << gMin(1/(rDeltaTT.field() + VSMALL)) << ", "
-            << gMax(1/(rDeltaTT.field() + VSMALL)) << endl;
-
-        rDeltaT.ref() = max
-        (
-            rDeltaT(),
-            rDeltaTT
-        );
-    }
-
-    // Update the boundary values of the reciprocal time-step
-    rDeltaT.correctBoundaryConditions();
-
-    // Spatially smooth the time scale field
-    if (rDeltaTSmoothingCoeff < 1.0)
-    {
-        fvc::smooth(rDeltaT, rDeltaTSmoothingCoeff);
-    }
-
-    // Limit rate of change of time scale
-    // - reduce as much as required
-    // - only increase at a fraction of old time scale
-    if
-    (
-        rDeltaTDampingCoeff < 1.0
-     && runTime.timeIndex() > runTime.startTimeIndex() + 1
-    )
-    {
-        rDeltaT = max
-        (
-            rDeltaT,
-            (scalar(1) - rDeltaTDampingCoeff)*rDeltaT0
-        );
-    }
-
-    Info<< "    Overall     = "
-        << gMin(1/rDeltaT.primitiveField())
-        << ", " << gMax(1/rDeltaT.primitiveField()) << endl;
-}
-
-
-// ************************************************************************* //
--- a/applications/solvers/lagrangian/simpleCoalParcelFoam/Make/options
+++ b/applications/solvers/lagrangian/simpleCoalParcelFoam/Make/options
@ -7,6 +7,7 @@ EXE_INC = \
    -I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
    -I$(LIB_SRC)/lagrangian/basic/lnInclude \
    -I$(LIB_SRC)/lagrangian/intermediate/lnInclude \
+    -I$(LIB_SRC)/lagrangian/coalCombustion/lnInclude \
    -I$(LIB_SRC)/lagrangian/distributionModels/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
@ -46,6 +47,7 @@ EXE_LIBS = \
    -lsurfaceFilmModels \
    -lcombustionModels \
    -lsampling \
+    -lcoalCombustion \
    -lregionFaModels \
    -lfiniteArea \
    -lfaOptions
--- a/applications/solvers/lagrangian/simpleCoalParcelFoam/createClouds.H
+++ b/applications/solvers/lagrangian/simpleCoalParcelFoam/createClouds.H
@ -1,9 +1,9 @@
 Info<< "\nConstructing coal cloud" << endl;
-reactingMultiphaseCloud parcels
+coalCloud parcels
 (
    "reactingCloud1",
-    g,
    rho,
    U,
+    g,
    slgThermo
 );
--- a/applications/solvers/lagrangian/simpleCoalParcelFoam/simpleCoalParcelFoam.C
+++ b/applications/solvers/lagrangian/simpleCoalParcelFoam/simpleCoalParcelFoam.C
@ -37,7 +37,7 @@ Description

 #include "fvCFD.H"
 #include "turbulentFluidThermoModel.H"
-#include "reactingMultiphaseCloud.H"
+#include "coalCloud.H"
 #include "rhoReactionThermo.H"
 #include "CombustionModel.H"
 #include "radiationModel.H"
--- a/applications/solvers/lagrangian/sprayFoam/Make/options
+++ b/applications/solvers/lagrangian/sprayFoam/Make/options
@ -35,6 +35,7 @@ EXE_LIBS = \
    -llagrangian \
    -llagrangianIntermediate \
    -llagrangianTurbulence \
+    -llagrangianSpray \
    -lspecie \
    -lcompressibleTransportModels \
    -lfluidThermophysicalModels \
--- a/applications/solvers/lagrangian/sprayFoam/createClouds.H
+++ b/applications/solvers/lagrangian/sprayFoam/createClouds.H
@ -1,9 +1,9 @@
 Info<< "\nConstructing reacting cloud" << endl;
-sprayCloud parcels
+basicSprayCloud parcels
 (
    "sprayCloud",
-    g,
    rho,
    U,
+    g,
    slgThermo
 );
--- a/applications/solvers/lagrangian/sprayFoam/engineFoam/Make/options
+++ b/applications/solvers/lagrangian/sprayFoam/engineFoam/Make/options
@ -39,6 +39,7 @@ EXE_LIBS = \
    -llagrangian \
    -llagrangianIntermediate \
    -llagrangianTurbulence \
+    -llagrangianSpray \
    -lspecie \
    -lcompressibleTransportModels \
    -lfluidThermophysicalModels \
--- a/applications/solvers/lagrangian/sprayFoam/engineFoam/engineFoam.C
+++ b/applications/solvers/lagrangian/sprayFoam/engineFoam/engineFoam.C
@ -37,7 +37,7 @@ Description
 #include "engineTime.H"
 #include "engineMesh.H"
 #include "turbulentFluidThermoModel.H"
-#include "sprayCloud.H"
+#include "basicSprayCloud.H"
 #include "psiReactionThermo.H"
 #include "CombustionModel.H"
 #include "radiationModel.H"
--- a/applications/solvers/lagrangian/sprayFoam/simpleSprayFoam/Make/options
+++ b/applications/solvers/lagrangian/sprayFoam/simpleSprayFoam/Make/options
@ -34,6 +34,7 @@ EXE_LIBS = \
    -lthermoTools \
    -llagrangian \
    -llagrangianIntermediate \
+    -llagrangianSpray \
    -llagrangianTurbulence \
    -lspecie \
    -lcompressibleTransportModels \
--- a/applications/solvers/lagrangian/sprayFoam/simpleSprayFoam/simpleSprayFoam.C
+++ b/applications/solvers/lagrangian/sprayFoam/simpleSprayFoam/simpleSprayFoam.C
@ -35,7 +35,7 @@ Description

 \*---------------------------------------------------------------------------*/

-#define CLOUD_BASE_TYPE spray
+#define CLOUD_BASE_TYPE Spray
 #define CLOUD_BASE_TYPE_NAME "spray"

 #include "simpleReactingParcelFoam.C"
--- a/applications/solvers/lagrangian/sprayFoam/sprayDyMFoam/Make/options
+++ b/applications/solvers/lagrangian/sprayFoam/sprayDyMFoam/Make/options
@ -40,6 +40,7 @@ EXE_LIBS = \
    -llagrangian \
    -llagrangianIntermediate \
    -llagrangianTurbulence \
+    -llagrangianSpray \
    -lspecie \
    -lcompressibleTransportModels \
    -lfluidThermophysicalModels \
--- a/applications/solvers/lagrangian/sprayFoam/sprayDyMFoam/sprayDyMFoam.C
+++ b/applications/solvers/lagrangian/sprayFoam/sprayDyMFoam/sprayDyMFoam.C
@ -38,7 +38,7 @@ Description
 #include "fvCFD.H"
 #include "dynamicFvMesh.H"
 #include "turbulenceModel.H"
-#include "sprayCloud.H"
+#include "basicSprayCloud.H"
 #include "psiReactionThermo.H"
 #include "CombustionModel.H"
 #include "radiationModel.H"
--- a/applications/solvers/lagrangian/sprayFoam/sprayFoam.C
+++ b/applications/solvers/lagrangian/sprayFoam/sprayFoam.C
@ -37,7 +37,7 @@ Description

 #include "fvCFD.H"
 #include "turbulentFluidThermoModel.H"
-#include "sprayCloud.H"
+#include "basicSprayCloud.H"
 #include "psiReactionThermo.H"
 #include "CombustionModel.H"
 #include "radiationModel.H"
--- a/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/Make/options
+++ b/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/Make/options
@ -9,8 +9,6 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
--- a/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/createFields.H
+++ b/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/createFields.H
@ -55,11 +55,11 @@ const word kinematicCloudName
 );

 Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;
-kinematicCloud kCloud
+basicKinematicCloud kinematicCloud
 (
    kinematicCloudName,
-    g,
    rho,
    U,
-    thermo.mu()
+    thermo.mu(),
+    g
 );
--- a/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/uncoupledKinematicParcelDyMFoam/Make/options
+++ b/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/uncoupledKinematicParcelDyMFoam/Make/options
@ -10,8 +10,6 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
--- a/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/uncoupledKinematicParcelDyMFoam/uncoupledKinematicParcelDyMFoam.C
+++ b/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/uncoupledKinematicParcelDyMFoam/uncoupledKinematicParcelDyMFoam.C
@ -37,7 +37,7 @@ Description
 #include "dynamicFvMesh.H"
 #include "psiThermo.H"
 #include "turbulentFluidThermoModel.H"
-#include "kinematicCloud.H"
+#include "basicKinematicCloud.H"

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

@ -73,14 +73,14 @@ int main(int argc, char *argv[])
    {
        Info<< "Time = " << runTime.timeName() << nl << endl;

-        kCloud.storeGlobalPositions();
+        kinematicCloud.storeGlobalPositions();

        mesh.update();

        U.correctBoundaryConditions();

-        Info<< "Evolving " << kCloud.name() << endl;
-        kCloud.evolve();
+        Info<< "Evolving " << kinematicCloud.name() << endl;
+        kinematicCloud.evolve();

        runTime.write();

--- a/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/uncoupledKinematicParcelFoam.C
+++ b/applications/solvers/lagrangian/uncoupledKinematicParcelFoam/uncoupledKinematicParcelFoam.C
@ -39,7 +39,7 @@ Description
 #include "fvCFD.H"
 #include "psiThermo.H"
 #include "turbulentFluidThermoModel.H"
-#include "kinematicCloud.H"
+#include "basicKinematicCloud.H"

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

@ -75,8 +75,8 @@ int main(int argc, char *argv[])
    {
        Info<< "Time = " << runTime.timeName() << nl << endl;

-        Info<< "Evolving " << kCloud.name() << endl;
-        kCloud.evolve();
+        Info<< "Evolving " << kinematicCloud.name() << endl;
+        kinematicCloud.evolve();

        runTime.write();

--- a/applications/solvers/multiphase/MPPICInterFoam/MPPICInterFoam.C
+++ b/applications/solvers/multiphase/MPPICInterFoam/MPPICInterFoam.C
@ -52,7 +52,7 @@ Description
 #include "CorrectPhi.H"
 #include "fvcSmooth.H"

-#include "kinematicCloud.H"
+#include "basicKinematicCloud.H"

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

@ -111,12 +111,12 @@ int main(int argc, char *argv[])

        Info<< "Time = " << runTime.timeName() << nl << endl;

-        Info<< "Evolving " << kCloud.name() << endl;
+        Info<< "Evolving " << kinematicCloud.name() << endl;

-        kCloud.evolve();
+        kinematicCloud.evolve();

        // Update continuous phase volume fraction field
-        alphac = max(1.0 - kCloud.theta(), alphacMin);
+        alphac = max(1.0 - kinematicCloud.theta(), alphacMin);
        alphac.correctBoundaryConditions();

         Info<< "Continuous phase-1 volume fraction = "
@ -130,7 +130,7 @@ int main(int argc, char *argv[])
        alphaPhic = alphacf*phi;
        alphacRho = alphac*rho;

-        fvVectorMatrix cloudSU(kCloud.SU(U));
+        fvVectorMatrix cloudSU(kinematicCloud.SU(U));
        volVectorField cloudVolSUSu
        (
            IOobject
--- a/applications/solvers/multiphase/MPPICInterFoam/Make/options
+++ b/applications/solvers/multiphase/MPPICInterFoam/Make/options
@ -12,14 +12,11 @@ EXE_INC = \
    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/SLGThermo/lnInclude \
-    -I$(LIB_SRC)/thermophysicalModels/thermophysicalProperties/lnInclude \
    -I$(LIB_SRC)/transportModels \
    -I$(LIB_SRC)/transportModels/immiscibleIncompressibleTwoPhaseMixture/lnInclude \
    -I$(LIB_SRC)/transportModels/twoPhaseMixture/lnInclude \
    -I$(LIB_SRC)/transportModels/incompressible/lnInclude \
    -I$(LIB_SRC)/transportModels/interfaceProperties/lnInclude \
-    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
    -I$(LIB_SRC)/TurbulenceModels/phaseCompressible/lnInclude \
--- a/applications/solvers/multiphase/MPPICInterFoam/createFields.H
+++ b/applications/solvers/multiphase/MPPICInterFoam/createFields.H
@ -147,13 +147,13 @@ volScalarField alphacRho(alphac*rho);
 alphacRho.oldTime();

 Info<< "Constructing kinematicCloud " << endl;
-kinematicCloud kCloud
+basicKinematicCloud kinematicCloud
 (
    "kinematicCloud",
-    g,
    rho,
    U,
-    mu
+    mu,
+    g
 );

 // Particle fraction upper limit
@ -161,13 +161,13 @@ scalar alphacMin
 (
    1.0
  - (
-        kCloud.particleProperties().subDict("constantProperties")
+        kinematicCloud.particleProperties().subDict("constantProperties")
       .get<scalar>("alphaMax")
    )
 );

 // Update alphac from the particle locations
-alphac = max(1.0 - kCloud.theta(), alphacMin);
+alphac = max(1.0 - kinematicCloud.theta(), alphacMin);
 alphac.correctBoundaryConditions();

 surfaceScalarField alphacf("alphacf", fvc::interpolate(alphac));
--- a/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticle.H
+++ b/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticle.H
@ -34,8 +34,8 @@ SourceFiles

 \*---------------------------------------------------------------------------*/

-#ifndef Foam_DTRMParticle_H
-#define Foam_DTRMParticle_H
+#ifndef DTRMParticle_H
+#define DTRMParticle_H

 #include "particle.H"
 #include "IOstream.H"
@ -50,13 +50,12 @@ SourceFiles
 namespace Foam
 {

-// Forward Declarations
 class DTRMParticle;
-
-Ostream& operator<<(Ostream&, const DTRMParticle&);
-
 using namespace Foam::radiation;

+// Forward declaration of friend functions
+Ostream& operator<<(Ostream&, const DTRMParticle&);
+
 /*---------------------------------------------------------------------------*\
                        Class DTRMParticle Declaration
 \*---------------------------------------------------------------------------*/
@ -131,7 +130,7 @@ public:
            );


-        // Member Functions
+        // Member functions

            inline const interpolationCell<scalar>& aInterp() const;
            inline const interpolationCell<scalar>& eInterp() const;
@ -233,34 +232,37 @@ public:
    // Access

        //- Return const access to the initial position
-        const point& p0() const noexcept { return p0_; }
+        inline const point& p0() const;

        //- Return const access to the target position
-        const point& p1() const noexcept { return p1_; }
+        inline const point& p1() const;

        //- Return const access to the initial intensity
-        scalar I0() const noexcept { return I0_; }
+        inline scalar I0() const;

        //- Return const access to the current intensity
-        scalar I() const noexcept { return I_; }
+        inline scalar I() const;

        //- Return const access dA
-        scalar dA() const noexcept { return dA_; }
+        inline scalar dA() const;


    // Edit

        //- Return access to the target position
-        point& p1() noexcept { return p1_; }
+        inline point& p1();

        //- Return access to the initial intensity
-        scalar& I0() noexcept { return I0_; }
+        inline scalar& I0();

        //- Return access to the current intensity
-        scalar& I() noexcept { return I_; }
+        inline scalar& I();

        //- Return access to dA
-        scalar& dA() noexcept { return dA_; }
+        inline scalar& dA();
+
+        //- Return access to reflectedId
+        inline label& reflectedId();


   // Tracking
--- a/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticleI.H
+++ b/applications/solvers/multiphase/icoReactingMultiphaseInterFoam/laserDTRM/DTRMParticle/DTRMParticleI.H
@ -107,4 +107,58 @@ inline Foam::scalar& Foam::DTRMParticle::trackingData::Q(label celli)
 }


+inline const Foam::point& Foam::DTRMParticle::p0() const
+{
+    return p0_;
+}
+
+
+inline const Foam::point& Foam::DTRMParticle::p1() const
+{
+    return p1_;
+}
+
+
+inline Foam::scalar Foam::DTRMParticle::I0() const
+{
+    return I0_;
+}
+
+
+inline Foam::scalar Foam::DTRMParticle::I() const
+{
+    return I_;
+}
+
+
+inline Foam::scalar Foam::DTRMParticle::dA() const
+{
+    return dA_;
+}
+
+
+inline Foam::scalar& Foam::DTRMParticle::dA()
+{
+    return dA_;
+}
+
+
+inline Foam::point& Foam::DTRMParticle::p1()
+{
+    return p1_;
+}
+
+
+inline Foam::scalar& Foam::DTRMParticle::I0()
+{
+    return I0_;
+}
+
+
+inline Foam::scalar& Foam::DTRMParticle::I()
+{
+    return I_;
+}
+
+
 // ************************************************************************* //
--- a/applications/test/barycentric/Make/files
+++ b/applications/test/barycentric/Make/files
@ -1,3 +0,0 @@
-Test-barycentric.C
-
-EXE = $(FOAM_USER_APPBIN)/Test-barycentric
--- a/applications/test/barycentric/Make/options
+++ b/applications/test/barycentric/Make/options
@ -1,2 +0,0 @@
-/* EXE_INC = */
-/* EXE_LIBS = */
--- a/applications/test/barycentric/Test-barycentric.C
+++ b/applications/test/barycentric/Test-barycentric.C
@ -1,93 +0,0 @@
-/*---------------------------------------------------------------------------*\
-  =========                 |
-  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
-   \\    /   O peration     |
-    \\  /    A nd           | www.openfoam.com
-     \\/     M anipulation  |
-------------------------------------------------------------------------------
-    Copyright (C) 2022 OpenCFD Ltd.
-------------------------------------------------------------------------------
-License
-    This file is part of OpenFOAM.
-
-    OpenFOAM is free software: you can redistribute it and/or modify it
-    under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
-    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
-    for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
-
-Application
-    Test-barycentric
-
-Description
-    Some simple tests for barycentric coordinates and transforms
-
-\*---------------------------------------------------------------------------*/
-
-#include "barycentricTensor.H"
-#include "tetrahedron.H"
-#include "vectorField.H"
-#include "IOstreams.H"
-
-using namespace Foam;
-
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-//  Main program:
-
-int main(int argc, char *argv[])
-{
-    // Tets to test
-    tetPoints tetA
-    (
-        point(0, 0, 0),
-        point(1, 0, 0),
-        point(1, 1, 0),
-        point(1, 1, 1)
-    );
-
-    const barycentricTensor baryT(tetA[0], tetA[1], tetA[2], tetA[3]);
-
-    Info<< nl << "Tet: " << tetA << nl;
-    Info<< "tens:" << baryT << nl;
-
-    for
-    (
-        const barycentric& bary :
-        List<barycentric>
-        ({
-            {0.25, 0.25, 0.25, 0.25},
-            {1, 0, 0, 0},
-            {0, 1, 0, 0},
-            {0, 0, 1, 0},
-            {0, 0, 0, 1},
-            {0, 0, 0, 0}  // Not really valid
-        })
-    )
-    {
-        vector v(tetA.tet().barycentricToPoint(bary));
-        barycentric b(tetA.tet().pointToBarycentric(v));
-
-        Info<< nl
-            << "bary: " << bary << nl
-            << "vec:  " << v << nl
-            // << "Vec:  " << baryT.inner(bary) << nl
-            << "Vec:  " << (baryT & bary) << nl
-            << "bary: " << b << nl
-            // This won't work (needs a differently defined tensor)
-            // << "Bary: " << (v & baryT) << nl
-            ;
-    }
-
-    Info<< "\nEnd\n" << nl;
-
-    return 0;
-}
-
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
--- a/applications/test/momentOfInertia/Test-momentOfInertia.C
+++ b/applications/test/momentOfInertia/Test-momentOfInertia.C
@ -38,7 +38,7 @@ Description
 #include "polyMesh.H"
 #include "ListOps.H"
 #include "face.H"
-#include "tetrahedron.H"
+#include "tetPointRef.H"
 #include "triFaceList.H"
 #include "OFstream.H"
 #include "meshTools.H"
--- a/applications/test/tetTetOverlap/Test-tetTetOverlap.C
+++ b/applications/test/tetTetOverlap/Test-tetTetOverlap.C
@ -6,7 +6,6 @@
     \\/     M anipulation  |
 -------------------------------------------------------------------------------
    Copyright (C) 2012-2017 OpenFOAM Foundation
-    Copyright (C) 2022 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
    This file is part of OpenFOAM.
@ -32,7 +31,7 @@ Description

 \*---------------------------------------------------------------------------*/

-#include "tetrahedron.H"
+#include "tetPointRef.H"
 #include "OFstream.H"
 #include "meshTools.H"
 #include "cut.H"
@ -45,12 +44,12 @@ void writeOBJ
 (
    Ostream& os,
    label& vertI,
-    const tetPoints& tet
+    const FixedList<point, 4>& tet
 )
 {
-    for (const point& p : tet)
+    forAll(tet, fp)
    {
-        meshTools::writeOBJ(os, p);
+        meshTools::writeOBJ(os, tet[fp]);
    }
    os  << "l " << vertI+1 << ' ' << vertI+2 << nl
        << "l " << vertI+1 << ' ' << vertI+3 << nl
@ -62,27 +61,33 @@ void writeOBJ
 }


+tetPointRef makeTetPointRef(const FixedList<point, 4>& p)
+{
+    return tetPointRef(p[0], p[1], p[2], p[3]);
+}
+
+
 int main(int argc, char *argv[])
 {
    // Tets to test
-    tetPoints tetA
-    (
+    FixedList<point, 4> tetA
+    ({
        point(0, 0, 0),
        point(1, 0, 0),
        point(1, 1, 0),
        point(1, 1, 1)
-    );
-    tetPoints tetB
-    (
+    });
+    FixedList<point, 4> tetB
+    ({
        point(0.1, 0.1, 0.1),
        point(1.1, 0.1, 0.1),
        point(1.1, 1.1, 0.1),
        point(1.1, 1.1, 1.1)
-    );
+    });


    // Do intersection
-    typedef DynamicList<tetPoints> tetList;
+    typedef DynamicList<FixedList<point, 4>> tetList;
    tetList tetsIn1, tetsIn2, tetsOut;
    cut::appendOp<tetList> tetOpIn1(tetsIn1);
    cut::appendOp<tetList> tetOpIn2(tetsIn2);
@ -150,25 +155,25 @@ int main(int argc, char *argv[])


    // Check the volumes
-    Info<< "Vol A: " << tetA.tet().mag() << endl;
+    Info<< "Vol A: " << makeTetPointRef(tetA).mag() << endl;

    scalar volIn = 0;
-    for (const auto& t : tetsIn)
+    forAll(tetsIn, i)
    {
-        volIn += t.tet().mag();
+        volIn += makeTetPointRef(tetsIn[i]).mag();
    }
    Info<< "Vol A inside B: " << volIn << endl;

    scalar volOut = 0;
-    for (const auto& t : tetsOut)
+    forAll(tetsOut, i)
    {
-        volOut += t.tet().mag();
+        volOut += makeTetPointRef(tetsOut[i]).mag();
    }
    Info<< "Vol A outside B: " << volOut << endl;

    Info<< "Sum inside and outside: " << volIn + volOut << endl;

-    if (mag(volIn + volOut - tetA.tet().mag()) > SMALL)
+    if (mag(volIn + volOut - makeTetPointRef(tetA).mag()) > SMALL)
    {
        FatalErrorInFunction
            << "Tet volumes do not sum up to input tet."
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/cellShapeControl/cellShapeControlMesh/cellShapeControlMesh.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/cellShapeControl/cellShapeControlMesh/cellShapeControlMesh.C
@ -31,7 +31,7 @@ License
 #include "pointIOField.H"
 #include "scalarIOField.H"
 #include "triadIOField.H"
-#include "tetrahedron.H"
+#include "tetPointRef.H"
 #include "plane.H"
 #include "transform.H"
 #include "meshTools.H"
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/cellShapeControl/cellSizeAndAlignmentControl/fileControl/fileControl.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/cellShapeControl/cellSizeAndAlignmentControl/fileControl/fileControl.C
@ -27,6 +27,7 @@ License

 #include "fileControl.H"
 #include "addToRunTimeSelectionTable.H"
+#include "tetPointRef.H"
 #include "scalarList.H"
 #include "vectorTools.H"
 #include "pointIOField.H"
@ -49,6 +50,9 @@ addToRunTimeSelectionTable
 }


+// * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //
+
+
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

 Foam::fileControl::fileControl
--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/cellShapeControl/cellSizeAndAlignmentControl/searchableSurfaceControl/searchableSurfaceControl.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/cellShapeControl/cellSizeAndAlignmentControl/searchableSurfaceControl/searchableSurfaceControl.C
@ -31,6 +31,7 @@ License
 #include "cellSizeFunction.H"
 #include "triSurfaceMesh.H"
 #include "searchableBox.H"
+#include "tetPointRef.H"
 #include "vectorTools.H"
 #include "quaternion.H"

--- a/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedCell/indexedCellChecks.C
+++ b/applications/utilities/mesh/generation/foamyMesh/conformalVoronoiMesh/conformalVoronoiMesh/indexedCell/indexedCellChecks.C
@ -26,7 +26,7 @@ License
 \*---------------------------------------------------------------------------*/

 #include "plane.H"
-#include "tetrahedron.H"
+#include "tetPointRef.H"
 #include "pointConversion.H"
 #include "CGALTriangulation3DKernel.H"

--- a/applications/utilities/mesh/manipulation/checkMesh/writeFields.C
+++ b/applications/utilities/mesh/manipulation/checkMesh/writeFields.C
@ -4,7 +4,7 @@
 #include "polyMeshTools.H"
 #include "zeroGradientFvPatchFields.H"
 #include "syncTools.H"
-#include "tetrahedron.H"
+#include "tetPointRef.H"
 #include "regionSplit.H"
 #include "wallDist.H"
 #include "cellAspectRatio.H"
--- a/applications/utilities/mesh/manipulation/createPatch/createPatch.C
+++ b/applications/utilities/mesh/manipulation/createPatch/createPatch.C
@ -606,7 +606,7 @@ void syncPoints
                pointField nbrPatchInfo(procPatch.nPoints());
                {
                    // We do not know the number of points on the other side
-                    // so cannot use UIPstream::read
+                    // so cannot use Pstream::read.
                    IPstream fromNbr
                    (
                        Pstream::commsTypes::blocking,
--- a/applications/utilities/mesh/manipulation/moveMesh/moveMesh.C
+++ b/applications/utilities/mesh/manipulation/moveMesh/moveMesh.C
@ -6,7 +6,7 @@
     \\/     M anipulation  |
 -------------------------------------------------------------------------------
    Copyright (C) 2011-2015 OpenFOAM Foundation
-    Copyright (C) 2020-2022 OpenCFD Ltd.
+    Copyright (C) 2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
    This file is part of OpenFOAM.
@ -55,30 +55,17 @@ int main(int argc, char *argv[])
    (
        "deltaT",
        "time",
-        "Override deltaT (eg, for accelerated motion)"
-    );
-
-    argList::addOption
-    (
-        "endTime",
-        "time",
-        "Override endTime (eg, for shorter tests)"
+        "Override deltaT for accelerated motion"
    );

    #include "setRootCase.H"
    #include "createTime.H"
    #include "createNamedMesh.H"

-    scalar timeVal = 0;
-    if (args.readIfPresent("deltaT", timeVal))
+    scalar deltaT = 0;
+    if (args.readIfPresent("deltaT", deltaT))
    {
-        runTime.setDeltaT(timeVal);
-    }
-
-    if (args.readIfPresent("endTime", timeVal))
-    {
-        runTime.stopAt(Time::stopAtControls::saEndTime);
-        runTime.setEndTime(timeVal);
+        runTime.setDeltaT(deltaT);
    }

    autoPtr<motionSolver> motionPtr = motionSolver::New(mesh);
--- a/applications/utilities/parallelProcessing/redistributePar/passivePositionParticle.H
+++ b/applications/utilities/parallelProcessing/redistributePar/passivePositionParticle.H
@ -35,8 +35,8 @@ SourceFiles

 \*---------------------------------------------------------------------------*/

-#ifndef Foam_passivePositionParticle_H
-#define Foam_passivePositionParticle_H
+#ifndef passivePositionParticle_H
+#define passivePositionParticle_H

 #include "passiveParticle.H"

@ -130,9 +130,7 @@ public:
        };


-    // Member Functions
-
-        const point& cachedPosition() const noexcept
+        const point& cachedPosition() const
        {
            return cachedPosition_;
        }
--- a/etc/bashrc
+++ b/etc/bashrc
@ -55,7 +55,7 @@

 # [WM_PROJECT_VERSION] - A human-readable version name
 # A development version is often named 'com' - as in www.openfoam.com
-export WM_PROJECT_VERSION=com
+export WM_PROJECT_VERSION=v2206

 #------------------------------------------------------------------------------
 # Configuration environment variables.
--- a/etc/caseDicts/postProcessing/visualization/streamlines.cfg
+++ b/etc/caseDicts/postProcessing/visualization/streamlines.cfg
@ -13,7 +13,7 @@ executeControl  writeTime;
 writeControl    writeTime;

 setFormat       vtk;
-direction       forward;   // (forward | backward | bidirectional)
+trackForward    true;

 lifeTime        10000;
 nSubCycle       5;
--- a/etc/cshrc
+++ b/etc/cshrc
@ -55,7 +55,7 @@

 # [WM_PROJECT_VERSION] - A human-readable version name
 # A development version is often named 'com' - as in www.openfoam.com
-setenv WM_PROJECT_VERSION com
+setenv WM_PROJECT_VERSION v2206

 #------------------------------------------------------------------------------
 # Configuration environment variables.
--- a/src/OpenFOAM/algorithms/dynamicIndexedOctree/dynamicIndexedOctree.C
+++ b/src/OpenFOAM/algorithms/dynamicIndexedOctree/dynamicIndexedOctree.C
@ -27,7 +27,7 @@ License
 \*---------------------------------------------------------------------------*/

 #include "dynamicIndexedOctree.H"
-#include "line.H"
+#include "linePointRef.H"
 #include "OFstream.H"
 #include "ListOps.H"

--- a/src/OpenFOAM/algorithms/dynamicIndexedOctree/dynamicIndexedOctree.H
+++ b/src/OpenFOAM/algorithms/dynamicIndexedOctree/dynamicIndexedOctree.H
@ -35,8 +35,8 @@ SourceFiles

 \*---------------------------------------------------------------------------*/

-#ifndef Foam_dynamicIndexedOctree_H
-#define Foam_dynamicIndexedOctree_H
+#ifndef dynamicIndexedOctree_H
+#define dynamicIndexedOctree_H

 #include "treeBoundBox.H"
 #include "pointIndexHit.H"
@ -54,7 +54,7 @@ namespace Foam

 typedef DynamicList<autoPtr<DynamicList<label>>> contentListList;

-// Forward Declarations
+// Forward declaration of classes
 template<class Type> class dynamicIndexedOctree;

 template<class Type> Ostream& operator<<
--- a/src/OpenFOAM/algorithms/dynamicIndexedOctree/dynamicTreeDataPoint.H
+++ b/src/OpenFOAM/algorithms/dynamicIndexedOctree/dynamicTreeDataPoint.H
@ -39,12 +39,12 @@ SourceFiles

 \*---------------------------------------------------------------------------*/

-#ifndef Foam_dynamicTreeDataPoint_H
-#define Foam_dynamicTreeDataPoint_H
+#ifndef dynamicTreeDataPoint_H
+#define dynamicTreeDataPoint_H

 #include "pointField.H"
 #include "treeBoundBox.H"
-#include "line.H"
+#include "linePointRef.H"
 #include "volumeType.H"

 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -52,7 +52,7 @@ SourceFiles
 namespace Foam
 {

-// Forward Declarations
+// Forward declaration of classes
 template<class Type> class dynamicIndexedOctree;

 /*---------------------------------------------------------------------------*\
--- a/src/OpenFOAM/algorithms/indexedOctree/indexedOctree.C
+++ b/src/OpenFOAM/algorithms/indexedOctree/indexedOctree.C
@ -27,7 +27,7 @@ License
 \*---------------------------------------------------------------------------*/

 #include "indexedOctree.H"
-#include "line.H"
+#include "linePointRef.H"
 #include "OFstream.H"
 #include "ListOps.H"
 #include "memInfo.H"
--- a/src/OpenFOAM/algorithms/indexedOctree/indexedOctree.H
+++ b/src/OpenFOAM/algorithms/indexedOctree/indexedOctree.H
@ -34,8 +34,8 @@ SourceFiles

 \*---------------------------------------------------------------------------*/

-#ifndef Foam_indexedOctree_H
-#define Foam_indexedOctree_H
+#ifndef indexedOctree_H
+#define indexedOctree_H

 #include "treeBoundBox.H"
 #include "pointIndexHit.H"
@ -51,7 +51,7 @@ SourceFiles
 namespace Foam
 {

-// Forward Declarations
+// Forward declaration of classes
 template<class Type> class indexedOctree;
 template<class Type> Ostream& operator<<(Ostream&, const indexedOctree<Type>&);
 class Istream;
--- a/src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.C
+++ b/src/OpenFOAM/db/IOobjects/decomposedBlockData/decomposedBlockData.C
@ -789,7 +789,7 @@ bool Foam::decomposedBlockData::writeBlocks
            for (label proci = 1; proci < nProcs; ++proci)
            {
                elems.resize(recvSizes[proci]);
-                UIPstream::read
+                IPstream::read
                (
                    UPstream::commsTypes::scheduled,
                    proci,
--- a/src/OpenFOAM/fields/pointPatchFields/constraint/processorCyclic/processorCyclicPointPatchField.C
+++ b/src/OpenFOAM/fields/pointPatchFields/constraint/processorCyclic/processorCyclicPointPatchField.C
@ -119,7 +119,7 @@ void Foam::processorCyclicPointPatchField<Type>::initSwapAddSeparated
        if (commsType == Pstream::commsTypes::nonBlocking)
        {
            receiveBuf_.setSize(pf.size());
-            UIPstream::read
+            IPstream::read
            (
                commsType,
                procPatch_.neighbProcNo(),
@ -129,7 +129,7 @@ void Foam::processorCyclicPointPatchField<Type>::initSwapAddSeparated
                procPatch_.comm()
            );
        }
-        UOPstream::write
+        OPstream::write
        (
            commsType,
            procPatch_.neighbProcNo(),
@ -155,7 +155,7 @@ void Foam::processorCyclicPointPatchField<Type>::swapAddSeparated
        if (commsType != Pstream::commsTypes::nonBlocking)
        {
            receiveBuf_.setSize(this->size());
-            UIPstream::read
+            IPstream::read
            (
                commsType,
                procPatch_.neighbProcNo(),
--- a/src/OpenFOAM/matrices/LUscalarMatrix/LUscalarMatrix.C
+++ b/src/OpenFOAM/matrices/LUscalarMatrix/LUscalarMatrix.C
@ -86,7 +86,7 @@ Foam::LUscalarMatrix::LUscalarMatrix

        if (Pstream::master(comm_))
        {
-            for (const int proci : Pstream::subProcs(comm_))
+            for (const int slave : Pstream::subProcs(comm_))
            {
                lduMatrices.set
                (
@ -96,7 +96,7 @@ Foam::LUscalarMatrix::LUscalarMatrix
                        IPstream
                        (
                            Pstream::commsTypes::scheduled,
-                            proci,
+                            slave,
                            0,          // bufSize
                            Pstream::msgType(),
                            comm_
--- a/src/OpenFOAM/matrices/LUscalarMatrix/LUscalarMatrixTemplates.C
+++ b/src/OpenFOAM/matrices/LUscalarMatrix/LUscalarMatrixTemplates.C
@ -54,17 +54,17 @@ void Foam::LUscalarMatrix::solve

            SubList<Type>(X, x.size()) = x;

-            for (const int proci : Pstream::subProcs(comm_))
+            for (const int slave : Pstream::subProcs(comm_))
            {
-                UIPstream::read
+                IPstream::read
                (
                    Pstream::commsTypes::scheduled,
-                    proci,
+                    slave,
                    reinterpret_cast<char*>
                    (
-                        &(X[procOffsets_[proci]])
+                        &(X[procOffsets_[slave]])
                    ),
-                    (procOffsets_[proci+1]-procOffsets_[proci])*sizeof(Type),
+                    (procOffsets_[slave+1]-procOffsets_[slave])*sizeof(Type),
                    Pstream::msgType(),
                    comm_
                );
@ -72,7 +72,7 @@ void Foam::LUscalarMatrix::solve
        }
        else
        {
-            UOPstream::write
+            OPstream::write
            (
                Pstream::commsTypes::scheduled,
                Pstream::masterNo(),
@ -89,17 +89,17 @@ void Foam::LUscalarMatrix::solve

            x = SubList<Type>(X, x.size());

-            for (const int proci : Pstream::subProcs(comm_))
+            for (const int slave : Pstream::subProcs(comm_))
            {
-                UOPstream::write
+                OPstream::write
                (
                    Pstream::commsTypes::scheduled,
-                    proci,
+                    slave,
                    reinterpret_cast<const char*>
                    (
-                        &(X[procOffsets_[proci]])
+                        &(X[procOffsets_[slave]])
                    ),
-                    (procOffsets_[proci+1]-procOffsets_[proci])*sizeof(Type),
+                    (procOffsets_[slave+1]-procOffsets_[slave])*sizeof(Type),
                    Pstream::msgType(),
                    comm_
                );
@ -107,7 +107,7 @@ void Foam::LUscalarMatrix::solve
        }
        else
        {
-            UIPstream::read
+            IPstream::read
            (
                Pstream::commsTypes::scheduled,
                Pstream::masterNo(),
--- a/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrix.H
+++ b/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrix.H
@ -6,7 +6,7 @@
     \\/     M anipulation  |
 -------------------------------------------------------------------------------
    Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2019-2022 OpenCFD Ltd.
+    Copyright (C) 2019-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
    This file is part of OpenFOAM.
@ -54,7 +54,6 @@ SourceFiles
 #define Foam_LduMatrix_H

 #include "lduMesh.H"
-#include "lduMatrix.H"
 #include "Field.H"
 #include "FieldField.H"
 #include "LduInterfaceFieldPtrsList.H"
@ -70,7 +69,8 @@ namespace Foam

 // Forward Declarations

-template<class Type, class DType, class LUType> class LduMatrix;
+template<class Type, class DType, class LUType>
+class LduMatrix;

 template<class Type, class DType, class LUType>
 Ostream& operator<<
@ -119,13 +119,16 @@ public:

        // Protected Data

+            //- Default maximum number of iterations in the solver
+            static const label defaultMaxIter_ = 1000;
+
            word fieldName_;
            const LduMatrix<Type, DType, LUType>& matrix_;

-            //- Dictionary of solution controls
+            //- Dictionary of controls
            dictionary controlDict_;

-            //- Verbosity level for solver output statements
+            //- Level of verbosity in the solver output statements
            int log_;

            //- Minimum number of iterations in the solver
@ -134,9 +137,6 @@ public:
            //- Maximum number of iterations in the solver
            label maxIter_;

-            //- The matrix normalisation type
-            lduMatrix::normTypes normType_;
-
            //- Final convergence tolerance
            Type tolerance_;

@ -146,7 +146,7 @@ public:

        // Protected Member Functions

-            //- Read the control parameters from controlDict_
+            //- Read the control parameters from the controlDict_
            virtual void readControls();


@ -206,7 +206,6 @@ public:

        // Constructors

-            //- Construct for given field name, matrix and controls
            solver
            (
                const word& fieldName,
@ -226,8 +225,9 @@ public:
            );


-        //- Destructor
-        virtual ~solver() = default;
+        // Destructor
+
+            virtual ~solver() = default;


        // Member Functions
@ -244,33 +244,21 @@ public:


            //- Read and reset the solver parameters from the given dictionary
-            virtual void read(const dictionary&);
+            virtual void read(const dictionary& solverDict);

            virtual SolverPerformance<Type> solve
            (
                Field<Type>& psi
            ) const = 0;

-            //- Return the matrix norm using the specified norm method
-            Type normFactor
-            (
-                const Field<Type>& psi,
-                const Field<Type>& Apsi,
-                Field<Type>& tmpField,
-                const lduMatrix::normTypes normType
-            ) const;
-
            //- Return the matrix norm used to normalise the residual for the
-            //- stopping criterion
+            //  stopping criterion
            Type normFactor
            (
                const Field<Type>& psi,
                const Field<Type>& Apsi,
                Field<Type>& tmpField
-            ) const
-            {
-                return this->normFactor(psi, Apsi, tmpField, normType_);
-            }
+            ) const;
    };


@ -326,7 +314,6 @@ public:

        // Constructors

-            //- Construct for given field name and matrix
            smoother
            (
                const word& fieldName,
@ -345,8 +332,9 @@ public:
            );


-        //- Destructor
-        virtual ~smoother() = default;
+        // Destructor
+
+            virtual ~smoother() = default;


        // Member Functions
@ -417,8 +405,10 @@ public:

        // Constructors

-            //- Construct for given solver
-            preconditioner(const solver& sol)
+            preconditioner
+            (
+                const solver& sol
+            )
            :
                solver_(sol)
            {}
@ -434,15 +424,16 @@ public:
            );


-        //- Destructor
-        virtual ~preconditioner() = default;
+        // Destructor
+
+            virtual ~preconditioner() = default;


        // Member functions

            //- Read and reset the preconditioner parameters
-            //- from the given dictionary
-            virtual void read(const dictionary&)
+            //  from the given dictionary
+            virtual void read(const dictionary& preconditionerDict)
            {}

            //- Return wA the preconditioned form of residual rA
@ -453,7 +444,7 @@ public:
            ) const = 0;

            //- Return wT the transpose-matrix preconditioned form of
-            //- residual rT.
+            //  residual rT.
            //  This is only required for preconditioning asymmetric matrices.
            virtual void preconditionT
            (
@ -489,16 +480,17 @@ public:
        LduMatrix(const lduMesh&, Istream&);


-    //- Destructor
-    ~LduMatrix();
+    // Destructor
+
+        ~LduMatrix();


-    // Member Functions
+    // Member functions

        // Access to addressing

            //- Return the LDU mesh from which the addressing is obtained
-            const lduMesh& mesh() const noexcept
+            const lduMesh& mesh() const
            {
                return lduMesh_;
            }
@ -562,43 +554,43 @@ public:
            }


-            bool hasDiag() const noexcept
+            bool hasDiag() const
            {
                return (diagPtr_);
            }

-            bool hasUpper() const noexcept
+            bool hasUpper() const
            {
                return (upperPtr_);
            }

-            bool hasLower() const noexcept
+            bool hasLower() const
            {
                return (lowerPtr_);
            }

-            bool hasSource() const noexcept
+            bool hasSource() const
            {
                return (sourcePtr_);
            }

-            bool diagonal() const noexcept
+            bool diagonal() const
            {
                return (diagPtr_ && !lowerPtr_ && !upperPtr_);
            }

-            bool symmetric() const noexcept
+            bool symmetric() const
            {
                return (diagPtr_ && (!lowerPtr_ && upperPtr_));
            }

-            bool asymmetric() const noexcept
+            bool asymmetric() const
            {
                return (diagPtr_ && lowerPtr_ && upperPtr_);
            }


-        // Operations
+        // operations

            void sumDiag();
            void negSumDiag();
@ -648,7 +640,7 @@ public:
            tmp<Field<Type>> faceH(const tmp<Field<Type>>&) const;


-    // Member Operators
+    // Member operators

        void operator=(const LduMatrix<Type, DType, LUType>&);

@ -661,7 +653,7 @@ public:
        void operator*=(scalar);


-    // Ostream Operator
+    // Ostream operator

        friend Ostream& operator<< <Type, DType, LUType>
        (
--- a/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixSolver.C
+++ b/src/OpenFOAM/matrices/LduMatrix/LduMatrix/LduMatrixSolver.C
@ -6,7 +6,7 @@
     \\/     M anipulation  |
 -------------------------------------------------------------------------------
    Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2019-2022 OpenCFD Ltd.
+    Copyright (C) 2019-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
    This file is part of OpenFOAM.
@ -131,9 +131,8 @@ Foam::LduMatrix<Type, DType, LUType>::solver::solver

    log_(1),
    minIter_(0),
-    maxIter_(lduMatrix::defaultMaxIter),
-    normType_(lduMatrix::normTypes::DEFAULT_NORM),
-    tolerance_(lduMatrix::defaultTolerance*pTraits<Type>::one),
+    maxIter_(defaultMaxIter_),
+    tolerance_(1e-6*pTraits<Type>::one),
    relTol_(Zero)
 {
    readControls();
@ -146,8 +145,6 @@ template<class Type, class DType, class LUType>
 void Foam::LduMatrix<Type, DType, LUType>::solver::readControls()
 {
    controlDict_.readIfPresent("log", log_);
-    normType_ = lduMatrix::normTypes::DEFAULT_NORM;
-    lduMatrix::normTypesNames_.readIfPresent("norm", controlDict_, normType_);
    controlDict_.readIfPresent("minIter", minIter_);
    controlDict_.readIfPresent("maxIter", maxIter_);
    controlDict_.readIfPresent("tolerance", tolerance_);
@ -171,45 +168,21 @@ Type Foam::LduMatrix<Type, DType, LUType>::solver::normFactor
 (
    const Field<Type>& psi,
    const Field<Type>& Apsi,
-    Field<Type>& tmpField,
-    const lduMatrix::normTypes normType
+    Field<Type>& tmpField
 ) const
 {
-    switch (normType)
-    {
-        case lduMatrix::normTypes::NO_NORM :
-        {
-            break;
-        }
+    // --- Calculate A dot reference value of psi
+    matrix_.sumA(tmpField);
+    cmptMultiply(tmpField, tmpField, gAverage(psi));

-        case lduMatrix::normTypes::DEFAULT_NORM :
-        case lduMatrix::normTypes::L1_SCALED_NORM :
-        {
-            // --- Calculate A dot reference value of psi
-            matrix_.sumA(tmpField);
-            cmptMultiply(tmpField, tmpField, gAverage(psi));
+    return stabilise
+    (
+        gSum(cmptMag(Apsi - tmpField) + cmptMag(matrix_.source() - tmpField)),
+        SolverPerformance<Type>::small_
+    );

-            return stabilise
-            (
-                gSum
-                (
-                    cmptMag(Apsi - tmpField)
-                  + cmptMag(matrix_.source() - tmpField)
-                ),
-                SolverPerformance<Type>::small_
-            );
-
-            // Equivalent at convergence:
-            // return stabilise
-            // (
-            //     2*gSumCmptMag(matrix_.source()), matrix_.small_
-            // );
-            break;
-        }
-    }
-
-    // Fall-through: no norm
-    return pTraits<Type>::one;
+    // At convergence this simpler method is equivalent to the above
+    // return stabilise(2*gSumCmptMag(matrix_.source()), matrix_.small_);
 }


--- a/src/OpenFOAM/matrices/LduMatrix/Solvers/DiagonalSolver/DiagonalSolver.H
+++ b/src/OpenFOAM/matrices/LduMatrix/Solvers/DiagonalSolver/DiagonalSolver.H
@ -34,8 +34,8 @@ SourceFiles

 \*---------------------------------------------------------------------------*/

-#ifndef Foam_DiagonalSolver_H
-#define Foam_DiagonalSolver_H
+#ifndef DiagonalSolver_H
+#define DiagonalSolver_H

 #include "LduMatrix.H"

@ -53,9 +53,7 @@ class DiagonalSolver
 :
    public LduMatrix<Type, DType, LUType>::solver
 {
-public:
-
-    // Generated Methods
+    // Private Member Functions

        //- No copy construct
        DiagonalSolver(const DiagonalSolver&) = delete;
@ -64,6 +62,8 @@ public:
        void operator=(const DiagonalSolver&) = delete;


+public:
+
    //- Runtime type information
    TypeName("diagonal");

--- a/src/OpenFOAM/matrices/LduMatrix/Solvers/SmoothSolver/SmoothSolver.H
+++ b/src/OpenFOAM/matrices/LduMatrix/Solvers/SmoothSolver/SmoothSolver.H
@ -37,8 +37,8 @@ SourceFiles

 \*---------------------------------------------------------------------------*/

-#ifndef Foam_SmoothSolver_H
-#define Foam_SmoothSolver_H
+#ifndef SmoothSolver_H
+#define SmoothSolver_H

 #include "lduMatrix.H"

@ -56,9 +56,10 @@ class SmoothSolver
 :
    public LduMatrix<Type, DType, LUType>::solver
 {
+
 protected:

-    // Protected Data
+    // Protected data

        //- Number of sweeps before the evaluation of residual
        label nSweeps_;
--- a/Show More
+++ b/Show More
				`@ -1,2 +0,0 @@`
				`auto parcels = parcelCloudModelList(g, rhoInf, U, muc);`
				`@ -1 +0,0 @@`
				`regionModels::surfaceFilmModel& surfaceFilm = tsurfaceFilm();`