Initial commit

applications/solvers/lagrangian/icoUncoupledKinematicParcelFoam/icoUncoupledKinematicParcelFoam.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | www.openfoam.com
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+    Copyright (C) 2011-2016 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/>.
+
+Application
+    icoUncoupledKinematicParcelFoam
+
+Group
+    grpLagrangianSolvers
+
+Description
+    Transient solver for the passive transport of a single kinematic
+    particle cloud.
+
+    Uses a pre-calculated velocity field to evolve the cloud.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "singlePhaseTransportModel.H"
+#include "turbulentTransportModel.H"
+#include "basicKinematicCollidingCloud.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    argList::addNote
+    (
+        "Transient solver for the passive transport"
+        " of a single kinematic particle cloud"
+    );
+    argList::addOption
+    (
+        "cloud",
+        "name",
+        "specify alternative cloud name. default is 'kinematicCloud'"
+    );
+
+    #include "postProcess.H"
+
+    #include "addCheckCaseOptions.H"
+    #include "setRootCaseLists.H"
+    #include "createTime.H"
+    #include "createMesh.H"
+    #include "createControl.H"
+    #include "createFields.H"
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Info<< "\nStarting time loop\n" << endl;
+
+    while (runTime.loop())
+    {
+        Info<< "Time = " << runTime.timeName() << nl << endl;
+
+        Info<< "Evolving " << kinematicCloud.name() << endl;
+
+        laminarTransport.correct();
+
+        mu = laminarTransport.nu()*rhoInfValue;
+
+        kinematicCloud.evolve();
+
+        runTime.write();
+
+        runTime.printExecutionTime(Info);
+    }
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

applications/solvers/lagrangian/kinematicParcelFoam/Make/files

+kinematicParcelFoam.C
+
+EXE = $(FOAM_APPBIN)/kinematicParcelFoam

applications/solvers/lagrangian/kinematicParcelFoam/Make/options

+EXE_INC = \
+    -I$(FOAM_SOLVERS)/lagrangian/reactingParcelFoam \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/finiteArea/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/sampling/lnInclude \
+    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
+    -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
+    -I$(LIB_SRC)/transportModels \
+    -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
+    -I$(LIB_SRC)/dynamicMesh/lnInclude \
+    -I$(LIB_SRC)/dynamicFvMesh/lnInclude \
+    -I$(LIB_SRC)/lagrangian/distributionModels/lnInclude \
+    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
+    -I$(LIB_SRC)/regionModels/surfaceFilmModels/lnInclude \
+    -I$(LIB_SRC)/regionFaModels/lnInclude \
+    -I$(LIB_SRC)/faOptions/lnInclude \
+    -I$(LIB_SRC)/lagrangian/basic/lnInclude \
+    -I$(LIB_SRC)/lagrangian/intermediate/lnInclude
+
+
+EXE_LIBS = \
+    -lfiniteVolume \
+    -lfvOptions \
+    -lmeshTools \
+    -lsampling \
+    -lturbulenceModels \
+    -lincompressibleTurbulenceModels \
+    -lincompressibleTransportModels \
+    -ldynamicMesh \
+    -ldynamicFvMesh \
+    -ltopoChangerFvMesh \
+    -latmosphericModels \
+    -lregionModels \
+    -lsurfaceFilmModels \
+    -lsurfaceFilmDerivedFvPatchFields \
+    -llagrangian \
+    -llagrangianIntermediate \
+    -llagrangianTurbulence \
+    -lregionFaModels \
+    -lfiniteArea \
+    -lfaOptions

applications/solvers/lagrangian/kinematicParcelFoam/UEqn.H

+    MRF.correctBoundaryVelocity(U);
+
+    fvVectorMatrix UEqn
+    (
+        fvm::ddt(U) + fvm::div(phi, U)
+      + MRF.DDt(U)
+      + turbulence->divDevReff(U)
+     ==
+        parcels.SU(U, true)
+      + fvOptions(U)
+    );
+
+    UEqn.relax();
+
+    fvOptions.constrain(UEqn);
+
+    if (pimple.momentumPredictor())
+    {
+        solve(UEqn == -fvc::grad(p));
+
+        fvOptions.correct(U);
+    }

applications/solvers/lagrangian/kinematicParcelFoam/createClouds.H

+const word kinematicCloudName
+(
+    args.getOrDefault<word>("cloud", "kinematicCloud")
+);
+
+Info<< "Constructing kinematicCloud " << kinematicCloudName << endl;
+
+basicKinematicCloud parcels
+(
+    kinematicCloudName,
+    rhoInf,
+    U,
+    muc,
+    g
+);
+

applications/solvers/lagrangian/kinematicParcelFoam/createFieldRefs.H

+regionModels::surfaceFilmModel& surfaceFilm = tsurfaceFilm();

applications/solvers/lagrangian/kinematicParcelFoam/createFields.H

+#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"
+
+

applications/solvers/lagrangian/kinematicParcelFoam/kinematicParcelFoam.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  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
+    kinematicParcelFoam
+
+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 "basicKinematicCloud.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 "createRegionControls.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 (solvePrimaryRegion && 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 (solvePrimaryRegion)
+        {
+            // --- 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;
+}
+
+
+// ************************************************************************* //

applications/solvers/lagrangian/kinematicParcelFoam/pEqn.H

+
+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);
+

applications/solvers/lagrangian/lagrangianSolversDoc.H

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | www.openfoam.com
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+    Copyright (C) 2015 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/>.
+
+\defgroup grpLagrangianSolvers Lagrangian solvers
+@{
+    \ingroup grpSolvers
+    This group contains Lagrangian solvers.
+@}
+
+\*---------------------------------------------------------------------------*/

applications/solvers/lagrangian/reactingParcelFoam/EEqn.H

+{
+    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;
+}

applications/solvers/lagrangian/reactingParcelFoam/Make/files

+reactingParcelFoam.C
+
+EXE = $(FOAM_APPBIN)/reactingParcelFoam

applications/solvers/lagrangian/reactingParcelFoam/Make/options

+EXE_INC = \
+    -I../reactingParcelFoam \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/finiteArea/lnInclude \
+    -I${LIB_SRC}/meshTools/lnInclude \
+    -I$(LIB_SRC)/dynamicMesh/lnInclude \
+    -I$(LIB_SRC)/dynamicFvMesh/lnInclude \
+    -I${LIB_SRC}/sampling/lnInclude \
+    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
+    -I$(LIB_SRC)/TurbulenceModels/compressible/lnInclude \
+    -I$(LIB_SRC)/lagrangian/distributionModels/lnInclude \
+    -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
+    -I$(LIB_SRC)/transportModels/compressible/lnInclude \
+    -I$(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)/thermophysicalModels/chemistryModel/lnInclude \
+    -I$(LIB_SRC)/thermophysicalModels/radiation/lnInclude \
+    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
+    -I$(LIB_SRC)/regionModels/surfaceFilmModels/lnInclude \
+    -I$(LIB_SRC)/regionFaModels/lnInclude \
+    -I$(LIB_SRC)/faOptions/lnInclude \
+    -I$(LIB_SRC)/lagrangian/basic/lnInclude \
+    -I$(LIB_SRC)/lagrangian/intermediate/lnInclude \
+    -I$(LIB_SRC)/ODE/lnInclude \
+    -I$(LIB_SRC)/combustionModels/lnInclude \
+    -I$(FOAM_SOLVERS)/combustion/reactingFoam
+
+EXE_LIBS = \
+    -lfiniteVolume \
+    -lfvOptions \
+    -lmeshTools \
+    -ldynamicMesh \
+    -ldynamicFvMesh \
+    -lsampling \
+    -lturbulenceModels \
+    -lcompressibleTurbulenceModels \
+    -lspecie \
+    -lcompressibleTransportModels \
+    -lfluidThermophysicalModels \
+    -lreactionThermophysicalModels \
+    -lthermophysicalProperties \
+    -lSLGThermo \
+    -lchemistryModel \
+    -lregionModels \
+    -lradiationModels \
+    -lsurfaceFilmModels \
+    -lsurfaceFilmDerivedFvPatchFields \
+    -llagrangian \
+    -llagrangianIntermediate \
+    -llagrangianTurbulence \
+    -lODE \
+    -lcombustionModels \
+    -lregionFaModels \
+    -lfiniteArea \
+    -lfaOptions

applications/solvers/lagrangian/reactingParcelFoam/UEqn.H

+    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);
+    }

applications/solvers/lagrangian/reactingParcelFoam/YEqn.H

+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);
+}

applications/solvers/lagrangian/reactingParcelFoam/createClouds.H

+Info<< "\nConstructing reacting cloud" << endl;
+basicReactingTypeCloud parcels
+(
+    "reactingCloud1",
+    rho,
+    U,
+    g,
+    slgThermo
+);

applications/solvers/lagrangian/reactingParcelFoam/createFieldRefs.H

+const label inertIndex(composition.species()[inertSpecie]);
+
+const volScalarField& T = thermo.T();
+const volScalarField& psi = thermo.psi();
+regionModels::surfaceFilmModel& surfaceFilm = tsurfaceFilm();

applications/solvers/lagrangian/reactingParcelFoam/createFields.H

+#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"

applications/solvers/lagrangian/reactingParcelFoam/createMeshesPostProcess.H

+#include "createMesh.H"
+
+IOdictionary filmDict
+(
+    IOobject
+    (
+        "surfaceFilmProperties",
+        runTime.constant(),
+        runTime,
+        IOobject::MUST_READ,
+        IOobject::NO_WRITE,
+        false
+    )
+);
+
+const word filmRegionName = filmDict.get<word>("region");
+
+fvMesh filmMesh
+(
+    IOobject
+    (
+        filmRegionName,
+        runTime.timeName(),
+        runTime,
+        IOobject::MUST_READ
+    )
+);

applications/solvers/lagrangian/reactingParcelFoam/createRegionControls.H

+bool solvePrimaryRegion
+(
+    pimple.dict().getOrDefault("solvePrimaryRegion", true)
+);