ENH: Added new rhoReactingBuoyantFoam solver

applications/solvers/combustion/reactingFoam/rhoReactingBuoyantFoam/Make/files

@@ -0,0 +1,3 @@
+rhoReactingBuoyantFoam.C
+
+EXE = $(FOAM_APPBIN)/rhoReactingBuoyantFoam

applications/solvers/combustion/reactingFoam/rhoReactingBuoyantFoam/Make/options

@@ -0,0 +1,29 @@
+EXE_INC = \
+    -I$(FOAM_SOLVERS)/combustion/reactingFoam \
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/fieldSources/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/sampling/lnInclude \
+    -I$(LIB_SRC)/turbulenceModels/compressible/turbulenceModel \
+    -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
+    -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
+    -I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
+    -I$(LIB_SRC)/thermophysicalModels/chemistryModel/lnInclude \
+    -I$(LIB_SRC)/ODE/lnInclude \
+    -I$(LIB_SRC)/combustionModels/lnInclude
+
+
+EXE_LIBS = \
+    -lfiniteVolume \
+    -lfieldSources \
+    -lmeshTools \
+    -lsampling \
+    -lcompressibleTurbulenceModel \
+    -lcompressibleRASModels \
+    -lcompressibleLESModels \
+    -lreactionThermophysicalModels \
+    -lspecie \
+    -lfluidThermophysicalModels \
+    -lchemistryModel \
+    -lODE \
+    -lcombustionModels

applications/solvers/combustion/reactingFoam/rhoReactingBuoyantFoam/UEqn.H

@@ -0,0 +1,31 @@
+    fvVectorMatrix UEqn
+    (
+        fvm::ddt(rho, U)
+      + fvm::div(phi, U)
+      + turbulence->divDevRhoReff(U)
+     ==
+        sources(rho, U)
+    );
+
+    UEqn.relax();
+
+    sources.constrain(UEqn);
+
+    if (pimple.momentumPredictor())
+    {
+        solve
+        (
+            UEqn
+         ==
+            fvc::reconstruct
+            (
+                (
+                  - ghf*fvc::snGrad(rho)
+                  - fvc::snGrad(p_rgh)
+                )*mesh.magSf()
+            )
+        );
+
+        sources.correct(U);
+        K = 0.5*magSqr(U);
+    }

applications/solvers/combustion/reactingFoam/rhoReactingBuoyantFoam/createFields.H

@@ -0,0 +1,124 @@
+Info<< "Creating reaction model\n" << endl;
+
+autoPtr<combustionModels::rhoCombustionModel> reaction
+(
+    combustionModels::rhoCombustionModel::New(mesh)
+);
+
+rhoReactionThermo& thermo = reaction->thermo();
+thermo.validate(args.executable(), "h", "e");
+
+basicMultiComponentMixture& composition = thermo.composition();
+PtrList<volScalarField>& Y = composition.Y();
+
+word inertSpecie(thermo.lookup("inertSpecie"));
+
+volScalarField rho
+(
+    IOobject
+    (
+        "rho",
+        runTime.timeName(),
+        mesh
+    ),
+    thermo.rho()
+);
+
+Info<< "Reading field U\n" << endl;
+volVectorField U
+(
+    IOobject
+    (
+        "U",
+        runTime.timeName(),
+        mesh,
+        IOobject::MUST_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh
+);
+
+
+volScalarField& p = thermo.p();
+const volScalarField& psi = thermo.psi();
+const volScalarField& T = thermo.T();
+
+
+#include "compressibleCreatePhi.H"
+
+
+Info << "Creating turbulence model.\n" << nl;
+autoPtr<compressible::turbulenceModel> turbulence
+(
+    compressible::turbulenceModel::New
+    (
+        rho,
+        U,
+        phi,
+        thermo
+    )
+);
+
+// Set the turbulence into the reaction model
+reaction->setTurbulence(turbulence());
+
+
+Info<< "Calculating field g.h\n" << endl;
+volScalarField gh("gh", g & mesh.C());
+surfaceScalarField ghf("ghf", g & mesh.Cf());
+
+Info<< "Reading field p_rgh\n" << endl;
+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;
+
+Info<< "Creating field dpdt\n" << endl;
+volScalarField dpdt
+(
+    IOobject
+    (
+        "dpdt",
+        runTime.timeName(),
+        mesh
+    ),
+    mesh,
+    dimensionedScalar("dpdt", p.dimensions()/dimTime, 0)
+);
+
+Info<< "Creating field kinetic energy K\n" << endl;
+volScalarField K("K", 0.5*magSqr(U));
+
+
+multivariateSurfaceInterpolationScheme<scalar>::fieldTable fields;
+
+forAll(Y, i)
+{
+    fields.add(Y[i]);
+}
+fields.add(thermo.he());
+
+volScalarField dQ
+(
+    IOobject
+    (
+        "dQ",
+        runTime.timeName(),
+        mesh,
+        IOobject::NO_READ,
+        IOobject::AUTO_WRITE
+    ),
+    mesh,
+    dimensionedScalar("dQ", dimEnergy/dimTime, 0.0)
+);

applications/solvers/combustion/reactingFoam/rhoReactingBuoyantFoam/pEqn.H

@@ -0,0 +1,78 @@
+{
+    rho = thermo.rho();
+
+    // 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("Dp", fvc::interpolate(rho*rAU));
+
+    volVectorField HbyA("HbyA", U);
+    HbyA = rAU*UEqn.H();
+
+    surfaceScalarField phig(-rhorAUf*ghf*fvc::snGrad(rho)*mesh.magSf());
+
+    surfaceScalarField phiHbyA
+    (
+        "phiHbyA",
+        fvc::interpolate(rho)
+       *(
+            (fvc::interpolate(U) & mesh.Sf())
+          + fvc::ddtPhiCorr(rAU, rho, U, phi)
+        )
+      + phig
+    );
+
+    sources.relativeFlux(fvc::interpolate(rho), phiHbyA);
+
+    fvScalarMatrix p_rghDDtEqn
+    (
+        fvc::ddt(rho) + psi*correction(fvm::ddt(p_rgh))
+      + fvc::div(phiHbyA)
+      ==
+        sources(psi, p_rgh, rho.name())
+    );
+
+    while (pimple.correctNonOrthogonal())
+    {
+        fvScalarMatrix p_rghEqn
+        (
+            p_rghDDtEqn
+          - fvm::laplacian(rhorAUf, p_rgh)
+        );
+
+        sources.constrain(p_rghEqn);
+
+        p_rghEqn.solve(mesh.solver(p_rgh.select(pimple.finalInnerIter())));
+
+        if (pimple.finalNonOrthogonalIter())
+        {
+            // Calculate the conservative fluxes
+            phi = phiHbyA + p_rghEqn.flux();
+
+            // Explicitly relax pressure for momentum corrector
+            p_rgh.relax();
+
+            // Correct the momentum source with the pressure gradient flux
+            // calculated from the relaxed pressure
+            U = HbyA + rAU*fvc::reconstruct((phig + p_rghEqn.flux())/rhorAUf);
+            U.correctBoundaryConditions();
+            sources.correct(U);
+            K = 0.5*magSqr(U);
+        }
+    }
+
+    p = p_rgh + rho*gh;
+
+    // Second part of thermodynamic density update
+    thermo.rho() += psi*p;
+
+    if (thermo.dpdt())
+    {
+        dpdt = fvc::ddt(p);
+    }
+
+    #include "rhoEqn.H"
+    #include "compressibleContinuityErrs.H"
+}

applications/solvers/combustion/reactingFoam/rhoReactingBuoyantFoam/rhoReactingBuoyantFoam.C

@@ -0,0 +1,106 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2012 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+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
+    rhoReactingBuoyantFoam
+
+Description
+    Solver for combustion with chemical reactions using density based
+    thermodynamics package, using enahanced buoyancy treatment.
+
+\*---------------------------------------------------------------------------*/
+
+#include "fvCFD.H"
+#include "rhoCombustionModel.H"
+#include "turbulenceModel.H"
+#include "multivariateScheme.H"
+#include "pimpleControl.H"
+#include "IObasicSourceList.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+int main(int argc, char *argv[])
+{
+    #include "setRootCase.H"
+    #include "createTime.H"
+    #include "createMesh.H"
+    #include "readGravitationalAcceleration.H"
+    #include "createFields.H"
+    #include "createSources.H"
+    #include "initContinuityErrs.H"
+    #include "readTimeControls.H"
+    #include "compressibleCourantNo.H"
+    #include "setInitialDeltaT.H"
+
+    pimpleControl pimple(mesh);
+
+    // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+    Info<< "\nStarting time loop\n" << endl;
+
+    while (runTime.run())
+    {
+        #include "readTimeControls.H"
+        #include "compressibleCourantNo.H"
+        #include "setDeltaT.H"
+
+        runTime++;
+        Info<< "Time = " << runTime.timeName() << nl << endl;
+
+        #include "rhoEqn.H"
+
+        // --- Pressure-velocity PIMPLE corrector 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();
+
+        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
+            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
+            << nl << endl;
+    }
+
+    Info<< "End\n" << endl;
+
+    return 0;
+}
+
+
+// ************************************************************************* //