Initial commit

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/EEqn.H

+{
+    volScalarField& he = thermo.he();
+
+    fvScalarMatrix EEqn
+    (
+        mvConvection->fvmDiv(phi, he)
+      + (
+            he.name() == "e"
+          ? fvc::div(phi, volScalarField("Ekp", 0.5*magSqr(U) + p/rho))
+          : fvc::div(phi, volScalarField("K", 0.5*magSqr(U)))
+        )
+      - fvm::laplacian(turbulence->alphaEff(), he)
+     ==
+        rho*(U&g)
+      + parcels.Sh(he)
+      + 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;
+}

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/Make/files

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

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/Make/options

+EXE_INC = \
+    -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/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 \
+    -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$(LIB_SRC)/ODE/lnInclude \
+    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
+    -I$(LIB_SRC)/regionModels/surfaceFilmModels/lnInclude \
+    -I$(LIB_SRC)/regionFaModels/lnInclude \
+    -I$(LIB_SRC)/faOptions/lnInclude \
+    -I$(LIB_SRC)/combustionModels/lnInclude \
+    -I$(FOAM_SOLVERS)/combustion/reactingFoam
+
+EXE_LIBS = \
+    -lfiniteVolume \
+    -lfvOptions \
+    -lmeshTools \
+    -lturbulenceModels \
+    -lcompressibleTurbulenceModels \
+    -llagrangian \
+    -llagrangianIntermediate \
+    -llagrangianTurbulence \
+    -lspecie \
+    -lcompressibleTransportModels \
+    -lfluidThermophysicalModels \
+    -lreactionThermophysicalModels \
+    -lthermophysicalProperties \
+    -lSLGThermo \
+    -lchemistryModel \
+    -lradiationModels \
+    -lODE \
+    -lregionModels \
+    -lsurfaceFilmModels \
+    -lcombustionModels \
+    -lsampling \
+    -lregionFaModels \
+    -lfiniteArea \
+    -lfaOptions

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/UEqn.H

+    MRF.correctBoundaryVelocity(U);
+
+    tmp<fvVectorMatrix> tUEqn
+    (
+        fvm::div(phi, U)
+      + MRF.DDt(rho, U)
+      + turbulence->divDevRhoReff(U)
+     ==
+        rho()*g
+      + parcels.SU(U)
+      + fvOptions(rho, U)
+    );
+    fvVectorMatrix& UEqn = tUEqn.ref();
+
+    UEqn.relax();
+
+    fvOptions.constrain(UEqn);
+
+    solve(UEqn == -fvc::grad(p));
+
+    fvOptions.correct(U);

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/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
+            (
+                mvConvection->fvmDiv(phi, Yi)
+              - fvm::laplacian(turbulence->muEff(), Yi)
+             ==
+                parcels.SYi(i, Yi)
+              + combustion->R(Yi)
+              + fvOptions(rho, Yi)
+            );
+
+            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);
+}

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/createClouds.H

+Info<< "\nConstructing " << CLOUD_BASE_TYPE_NAME << " cloud" << endl;
+basicReactingTypeCloud parcels
+(
+    word(CLOUD_BASE_TYPE_NAME) & "Cloud1",
+    rho,
+    U,
+    g,
+    slgThermo
+);

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/createFieldRefs.H

+const volScalarField& psi = thermo.psi();
+const volScalarField& T = thermo.T();
+const label inertIndex(composition.species()[inertSpecie]);

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/createFields.H

+#include "readGravitationalAcceleration.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))
+{
+    FatalIOErrorIn(args.executable().c_str(), thermo)
+        << "Inert specie " << inertSpecie << " not found in available species "
+        << composition.species()
+        << exit(FatalIOError);
+}
+
+volScalarField& p = thermo.p();
+
+volScalarField rho
+(
+    IOobject
+    (
+        "rho",
+        runTime.timeName(),
+        mesh,
+        IOobject::NO_READ,
+        IOobject::AUTO_WRITE
+    ),
+    thermo.rho()
+);
+
+Info<< "\nReading field U\n" << endl;
+volVectorField U
+(
+    IOobject
+    (
+        "U",
+        runTime.timeName(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh
+);
+
+#include "compressibleCreatePhi.H"
+
+mesh.setFluxRequired(p.name());
+
+const dimensionedScalar rhoMax("rhoMax", dimDensity, GREAT, simple.dict());
+const dimensionedScalar rhoMin("rhoMin", dimDensity, Zero, simple.dict());
+
+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())
+);
+
+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 "createMRF.H"
+#include "createRadiationModel.H"
+#include "createClouds.H"
+#include "createFvOptions.H"

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/pEqn.H

+// 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));
+tUEqn.clear();
+surfaceScalarField phiHbyA
+(
+    "phiHbyA",
+    fvc::interpolate(rho)*fvc::flux(HbyA)
+);
+
+MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
+
+// Update the pressure BCs to ensure flux consistency
+constrainPressure(p, rho, U, phiHbyA, rhorAUf, MRF);
+
+while (simple.correctNonOrthogonal())
+{
+    fvScalarMatrix pEqn
+    (
+        fvc::div(phiHbyA)
+      - fvm::laplacian(rhorAUf, p)
+     ==
+        parcels.Srho()
+      + fvOptions(psi, p, rho.name())
+    );
+
+    pEqn.solve();
+
+    if (simple.finalNonOrthogonalIter())
+    {
+        phi = phiHbyA + pEqn.flux();
+    }
+}
+
+p.relax();
+
+// Thermodynamic density update
+thermo.correctRho(psi*p - psip0);
+
+#include "compressibleContinuityErrs.H"
+
+U = HbyA - rAU*fvc::grad(p);
+U.correctBoundaryConditions();
+fvOptions.correct(U);
+
+rho = thermo.rho();
+rho = max(rho, rhoMin);
+rho = min(rho, rhoMax);
+rho.relax();
+
+Info<< "p min/max = " << min(p).value() << ", " << max(p).value() << endl;

OpenFOAM-v2112/applications/solvers/lagrangian/reactingParcelFoam/simpleReactingParcelFoam/simpleReactingParcelFoam.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | www.openfoam.com
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+    Copyright (C) 2013-2017 OpenFOAM Foundation
+    Copyright (C) 2018 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
+    simpleReactingParcelFoam
+
+Description
+    Steady-state solver for compressible, turbulent flow with reacting,
+    multiphase particle clouds and optional sources/constraints.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "turbulentFluidThermoModel.H"
+#include "rhoReactionThermo.H"
+#include "CombustionModel.H"
+#include "radiationModel.H"
+#include "IOporosityModelList.H"
+#include "fvOptions.H"
+#include "SLGThermo.H"
+#include "simpleControl.H"
+#include "cloudMacros.H"
+
+#ifndef CLOUD_BASE_TYPE
+    #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 basicReactingTypeCloud CLOUD_TYPE(CLOUD_BASE_TYPE)
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    argList::addNote
+    (
+        "Steady-state solver for compressible, turbulent flow"
+        " with reacting, multiphase particle clouds"
+        " and optional sources/constraints."
+    );
+
+    #include "postProcess.H"
+
+    #include "addCheckCaseOptions.H"
+    #include "setRootCaseLists.H"
+    #include "createTime.H"
+    #include "createMesh.H"
+    #include "createControl.H"
+    #include "createFields.H"
+    #include "createFieldRefs.H"
+    #include "initContinuityErrs.H"
+
+    turbulence->validate();
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Info<< "\nStarting time loop\n" << endl;
+
+    while (simple.loop())
+    {
+        Info<< "Time = " << runTime.timeName() << nl << endl;
+
+        parcels.evolve();
+
+        // --- Pressure-velocity SIMPLE corrector loop
+        {
+            #include "UEqn.H"
+            #include "YEqn.H"
+            #include "EEqn.H"
+            #include "pEqn.H"
+        }
+
+        turbulence->correct();
+
+        runTime.write();
+
+        runTime.printExecutionTime(Info);
+    }
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/EEqn.H

+{
+    volScalarField& he = thermo.he();
+
+    fvScalarMatrix EEqn
+    (
+        mvConvection->fvmDiv(phi, he)
+      + (
+            he.name() == "e"
+          ? fvc::div(phi, volScalarField("Ekp", 0.5*magSqr(U) + p/rho))
+          : fvc::div(phi, volScalarField("K", 0.5*magSqr(U)))
+        )
+      - fvm::laplacian(turbulence->alphaEff(), he)
+     ==
+        rho*(U&g)
+      + Qdot
+      + parcels.Sh(he)
+      + radiation->Sh(thermo, he)
+      + 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;
+}

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/Make/files

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

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/Make/options

+EXE_INC = \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/finiteArea/lnInclude \
+    -I$(LIB_SRC)/fvOptions/lnInclude \
+    -I${LIB_SRC}/meshTools/lnInclude \
+    -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
+    -I$(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 \
+    -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$(LIB_SRC)/ODE/lnInclude \
+    -I$(LIB_SRC)/regionModels/regionModel/lnInclude \
+    -I$(LIB_SRC)/regionModels/surfaceFilmModels/lnInclude \
+    -I$(LIB_SRC)/combustionModels/lnInclude \
+    -I$(LIB_SRC)/sampling/lnInclude \
+    -I$(LIB_SRC)/regionFaModels/lnInclude \
+    -I$(LIB_SRC)/faOptions/lnInclude
+
+EXE_LIBS = \
+    -lfiniteVolume \
+    -lfvOptions \
+    -lmeshTools \
+    -lturbulenceModels \
+    -lcompressibleTurbulenceModels \
+    -llagrangian \
+    -llagrangianIntermediate \
+    -llagrangianTurbulence \
+    -lspecie \
+    -lfluidThermophysicalModels \
+    -lreactionThermophysicalModels \
+    -lthermophysicalProperties \
+    -lSLGThermo \
+    -lchemistryModel \
+    -lradiationModels \
+    -lODE \
+    -lregionModels \
+    -lsurfaceFilmModels \
+    -lcombustionModels \
+    -lsampling \
+    -lcoalCombustion \
+    -lregionFaModels \
+    -lfiniteArea \
+    -lfaOptions

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/UEqn.H

+    MRF.correctBoundaryVelocity(U);
+
+    tmp<fvVectorMatrix> tUEqn
+    (
+        fvm::div(phi, U)
+      + MRF.DDt(rho, U)
+      + turbulence->divDevRhoReff(U)
+     ==
+        rho()*g
+      + parcels.SU(U)
+      + fvOptions(rho, U)
+    );
+    fvVectorMatrix& UEqn = tUEqn.ref();
+
+    UEqn.relax();
+
+    fvOptions.constrain(UEqn);
+
+    solve(UEqn == -fvc::grad(p));
+
+    fvOptions.correct(U);

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/YEqn.H

+tmp<fv::convectionScheme<scalar>> mvConvection
+(
+    fv::convectionScheme<scalar>::New
+    (
+        mesh,
+        fields,
+        phi,
+        mesh.divScheme("div(phi,Yi_h)")
+    )
+);
+
+{
+    reaction->correct();
+    Qdot = reaction->Qdot();
+    volScalarField Yt(0.0*Y[0]);
+
+    forAll(Y, i)
+    {
+        if (i != inertIndex && composition.active(i))
+        {
+            volScalarField& Yi = Y[i];
+
+            fvScalarMatrix YEqn
+            (
+                mvConvection->fvmDiv(phi, Yi)
+              - fvm::laplacian(turbulence->muEff(), Yi)
+             ==
+                parcels.SYi(i, Yi)
+              + reaction->R(Yi)
+              + fvOptions(rho, Yi)
+            );
+
+            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);
+}

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/createClouds.H

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

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/createFieldRefs.H

+const volScalarField& psi = thermo.psi();
+const volScalarField& T = thermo.T();
+const label inertIndex(composition.species()[inertSpecie]);

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/createFields.H

+#include "readGravitationalAcceleration.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))
+{
+    FatalIOErrorIn(args.executable().c_str(), thermo)
+        << "Inert specie " << inertSpecie << " not found in available species "
+        << composition.species()
+        << exit(FatalIOError);
+}
+
+volScalarField& p = thermo.p();
+
+volScalarField rho
+(
+    IOobject
+    (
+        "rho",
+        runTime.timeName(),
+        mesh,
+        IOobject::NO_READ,
+        IOobject::AUTO_WRITE
+    ),
+    thermo.rho()
+);
+
+Info<< "\nReading field U\n" << endl;
+volVectorField U
+(
+    IOobject
+    (
+        "U",
+        runTime.timeName(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh
+);
+
+#include "compressibleCreatePhi.H"
+
+mesh.setFluxRequired(p.name());
+
+const dimensionedScalar rhoMax("rhoMax", dimDensity, GREAT, simple.dict());
+const dimensionedScalar rhoMin("rhoMin", dimDensity, Zero, simple.dict());
+
+Info<< "Creating turbulence model\n" << endl;
+autoPtr<compressible::turbulenceModel> turbulence
+(
+    compressible::turbulenceModel::New
+    (
+        rho,
+        U,
+        phi,
+        thermo
+    )
+);
+
+Info<< "Creating reaction model\n" << endl;
+autoPtr<CombustionModel<rhoReactionThermo>> reaction
+(
+    CombustionModel<rhoReactionThermo>::New(thermo, turbulence())
+);
+
+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::NO_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh,
+    dimensionedScalar(dimEnergy/dimVolume/dimTime, Zero)
+);
+
+#include "createMRF.H"
+#include "createRadiationModel.H"
+#include "createClouds.H"

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/pEqn.H

+{
+    // Thermodynamic density needs to be updated by psi*d(p) after the
+    // pressure solution - done in 2 parts. Part 1:
+    thermo.rho() -= psi*p;
+
+    volScalarField rAU(1.0/UEqn.A());
+    surfaceScalarField rhorAUf("rhorAUf", fvc::interpolate(rho*rAU));
+    volVectorField HbyA(constrainHbyA(rAU*UEqn.H(), U, p));
+    tUEqn.clear();
+    surfaceScalarField phiHbyA
+    (
+        "phiHbyA",
+        fvc::interpolate(rho)*fvc::flux(HbyA)
+    );
+
+    MRF.makeRelative(fvc::interpolate(rho), phiHbyA);
+
+    // Update the pressure BCs to ensure flux consistency
+    constrainPressure(p, rho, U, phiHbyA, rhorAUf, MRF);
+
+    while (simple.correctNonOrthogonal())
+    {
+        fvScalarMatrix pEqn
+        (
+            fvc::div(phiHbyA)
+          - fvm::laplacian(rhorAUf, p)
+         ==
+            parcels.Srho()
+          + fvOptions(psi, p, rho.name())
+        );
+
+        pEqn.solve();
+
+        if (simple.finalNonOrthogonalIter())
+        {
+            phi = phiHbyA + pEqn.flux();
+        }
+    }
+
+    p.relax();
+
+    // Second part of thermodynamic density update
+    thermo.rho() += psi*p;
+
+    #include "compressibleContinuityErrs.H"
+
+    U = HbyA - rAU*fvc::grad(p);
+    U.correctBoundaryConditions();
+    fvOptions.correct(U);
+
+    rho = thermo.rho();
+    rho = max(rho, rhoMin);
+    rho = min(rho, rhoMax);
+    rho.relax();
+
+    Info<< "p min/max = " << min(p).value() << ", " << max(p).value() << endl;
+}

OpenFOAM-v2112/applications/solvers/lagrangian/simpleCoalParcelFoam/simpleCoalParcelFoam.C

+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | www.openfoam.com
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+    Copyright (C) 2015-2016 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
+    simpleReactingParcelFoam
+
+Group
+    grpLagrangianSolvers
+
+Description
+    Steady-state solver for compressible, turbulent flow with coal particle
+    clouds and optional sources/constraints.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "turbulentFluidThermoModel.H"
+#include "coalCloud.H"
+#include "rhoReactionThermo.H"
+#include "CombustionModel.H"
+#include "radiationModel.H"
+#include "IOporosityModelList.H"
+#include "fvOptions.H"
+#include "SLGThermo.H"
+#include "simpleControl.H"
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    argList::addNote
+    (
+        "Steady-state solver for compressible, turbulent flow"
+        " with coal particle clouds and optional sources/constraints."
+    );
+
+    #include "postProcess.H"
+
+    #include "addCheckCaseOptions.H"
+    #include "setRootCaseLists.H"
+    #include "createTime.H"
+    #include "createMesh.H"
+    #include "createControl.H"
+    #include "createFields.H"
+    #include "createFieldRefs.H"
+    #include "createFvOptions.H"
+    #include "initContinuityErrs.H"
+
+    turbulence->validate();
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Info<< "\nStarting time loop\n" << endl;
+
+    while (simple.loop())
+    {
+        Info<< "Time = " << runTime.timeName() << nl << endl;
+
+        parcels.evolve();
+
+        // --- Pressure-velocity SIMPLE corrector loop
+        {
+            #include "UEqn.H"
+            #include "YEqn.H"
+            #include "EEqn.H"
+            #include "pEqn.H"
+        }
+
+        turbulence->correct();
+
+        runTime.write();
+
+        runTime.printExecutionTime(Info);
+    }
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //