ENH: Updated enthalpy equations for solvers with chemistry using updated

sensible enthalpy thermo packages

- Enthalpy source term now retrieved from the chemistry model (scaled by
  kappa for the PaSR model)

applications/solvers/combustion/dieselEngineFoam/createFields.H

@@ -6,7 +6,7 @@ autoPtr<psiChemistryModel> pChemistry
 );
 psiChemistryModel& chemistry = pChemistry();
 
-hCombustionThermo& thermo = chemistry.thermo();
+hsCombustionThermo& thermo = chemistry.thermo();
 
 basicMultiComponentMixture& composition = thermo.composition();
 PtrList<volScalarField>& Y = composition.Y();
@@ -50,7 +50,7 @@ volVectorField U
 volScalarField& p = thermo.p();
 const volScalarField& psi = thermo.psi();
 const volScalarField& T = thermo.T();
-volScalarField& h = thermo.h();
+volScalarField& hs = thermo.hs();
 
 
 #include "compressibleCreatePhi.H"
@@ -92,4 +92,18 @@ forAll(Y, i)
 {
     fields.add(Y[i]);
 }
-fields.add(h);
+fields.add(hs);
+
+DimensionedField<scalar, volMesh> chemistrySh
+(
+    IOobject
+    (
+        "chemistry::Sh",
+        runTime.timeName(),
+        mesh,
+        IOobject::NO_READ,
+        IOobject::NO_WRITE
+    ),
+    mesh,
+    dimensionedScalar("chemistrySh", dimEnergy/dimTime/dimVolume, 0.0)
+);

applications/solvers/combustion/dieselEngineFoam/dieselEngineFoam.C

@@ -23,7 +23,7 @@ License
     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 
 Application
-    dieselFoam
+    dieselEngineFoam
 
 Description
     Solver for diesel engine spray and combustion.
@@ -103,13 +103,15 @@ int main(int argc, char *argv[])
             kappa = (runTime.deltaT() + tc)/(runTime.deltaT() + tc + tk);
         }
 
+        chemistrySh = kappa*chemistry.Sh()();
+
         #include "rhoEqn.H"
         #include "UEqn.H"
 
         for (label ocorr=1; ocorr <= nOuterCorr; ocorr++)
         {
             #include "YEqn.H"
-            #include "hEqn.H"
+            #include "hsEqn.H"
 
             // --- PISO loop
             for (int corr=1; corr<=nCorr; corr++)

applications/solvers/combustion/dieselEngineFoam/hEqn.H

@@ -1,13 +0,0 @@
-{
-    solve
-    (
-        fvm::ddt(rho, h)
-      + mvConvection->fvmDiv(phi, h)
-      - fvm::laplacian(turbulence->alphaEff(), h)
-     ==
-       DpDt
-     + dieselSpray.heatTransferSource()
-    );
-
-    thermo.correct();
-}

applications/solvers/combustion/dieselEngineFoam/hsEqn.H

@@ -0,0 +1,14 @@
+{
+    solve
+    (
+        fvm::ddt(rho, hs)
+      + mvConvection->fvmDiv(phi, hs)
+      - fvm::laplacian(turbulence->alphaEff(), hs)
+     ==
+       DpDt
+     + dieselSpray.heatTransferSource()().dimensionedInternalField()
+     + chemistrySh
+    );
+
+    thermo.correct();
+}

applications/solvers/combustion/dieselFoam/dieselFoam.C

@@ -100,7 +100,7 @@ int main(int argc, char *argv[])
         for (label ocorr=1; ocorr <= nOuterCorr; ocorr++)
         {
             #include "YEqn.H"
-            #include "hEqn.H"
+            #include "hsEqn.H"
 
             // --- PISO loop
             for (int corr=1; corr<=nCorr; corr++)

applications/solvers/combustion/reactingFoam/Make/options

@@ -1,5 +1,4 @@
 EXE_INC = \
-    -I../XiFoam \
     -I$(LIB_SRC)/turbulenceModels/compressible/turbulenceModel \
     -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
     -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \

applications/solvers/combustion/reactingFoam/UEqn.H

@@ -0,0 +1,15 @@
+    fvVectorMatrix UEqn
+    (
+        fvm::ddt(rho, U)
+      + fvm::div(phi, U)
+      + turbulence->divDevRhoReff(U)
+     ==
+        rho*g
+    );
+
+    UEqn.relax();
+
+    if (momentumPredictor)
+    {
+        solve(UEqn == -fvc::grad(p));
+    }

applications/solvers/combustion/reactingFoam/chemistry.H

@@ -21,4 +21,6 @@
     {
         kappa = 1.0;
     }
+
+    chemistrySh = kappa*chemistry.Sh()();
 }

applications/solvers/combustion/reactingFoam/createFields.H

@@ -5,7 +5,7 @@ autoPtr<psiChemistryModel> pChemistry
 );
 psiChemistryModel& chemistry = pChemistry();
 
-hCombustionThermo& thermo = chemistry.thermo();
+hsCombustionThermo& thermo = chemistry.thermo();
 
 basicMultiComponentMixture& composition = thermo.composition();
 PtrList<volScalarField>& Y = composition.Y();
@@ -40,8 +40,8 @@ volVectorField U
 
 volScalarField& p = thermo.p();
 const volScalarField& psi = thermo.psi();
-volScalarField& h = thermo.h();
-
+volScalarField& hs = thermo.hs();
+const volScalarField& T = thermo.T();
 
 #include "compressibleCreatePhi.H"
 
@@ -81,5 +81,18 @@ forAll(Y, i)
 {
     fields.add(Y[i]);
 }
-fields.add(h);
+fields.add(hs);
 
+DimensionedField<scalar, volMesh> chemistrySh
+(
+    IOobject
+    (
+        "chemistry::Sh",
+        runTime.timeName(),
+        mesh,
+        IOobject::NO_READ,
+        IOobject::NO_WRITE
+    ),
+    mesh,
+    dimensionedScalar("chemistrySh", dimEnergy/dimTime/dimVolume, 0.0)
+);

applications/solvers/combustion/reactingFoam/hsEqn.H

@@ -0,0 +1,20 @@
+{
+    fvScalarMatrix hsEqn
+    (
+        fvm::ddt(rho, hs)
+      + mvConvection->fvmDiv(phi, hs)
+//      - fvm::laplacian(turbulence->alphaEff(), hs)
+      - fvm::laplacian(turbulence->muEff(), hs)  // unit lewis no.
+     ==
+        DpDt
+      + chemistrySh
+    );
+
+    hsEqn.relax();
+    hsEqn.solve();
+
+    thermo.correct();
+
+    Info<< "T gas min/max   = " << min(T).value() << ", "
+        << max(T).value() << endl;
+}

applications/solvers/combustion/reactingFoam/pEqn.H

@@ -0,0 +1,72 @@
+rho = thermo.rho();
+
+volScalarField rUA = 1.0/UEqn.A();
+U = rUA*UEqn.H();
+
+if (transonic)
+{
+    surfaceScalarField phid
+    (
+        "phid",
+        fvc::interpolate(psi)
+       *(
+            (fvc::interpolate(U) & mesh.Sf())
+          + fvc::ddtPhiCorr(rUA, rho, U, phi)
+        )
+    );
+
+    for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
+    {
+        fvScalarMatrix pEqn
+        (
+            fvm::ddt(psi, p)
+          + fvm::div(phid, p)
+          - fvm::laplacian(rho*rUA, p)
+//          ==
+//            RRTot
+        );
+
+        pEqn.solve();
+
+        if (nonOrth == nNonOrthCorr)
+        {
+            phi == pEqn.flux();
+        }
+    }
+}
+else
+{
+    phi =
+        fvc::interpolate(rho)
+       *(
+            (fvc::interpolate(U) & mesh.Sf())
+          + fvc::ddtPhiCorr(rUA, rho, U, phi)
+        );
+
+    for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
+    {
+        fvScalarMatrix pEqn
+        (
+            fvm::ddt(psi, p)
+          + fvc::div(phi)
+          - fvm::laplacian(rho*rUA, p)
+//          ==
+//            RRTot
+        );
+
+        pEqn.solve();
+
+        if (nonOrth == nNonOrthCorr)
+        {
+            phi += pEqn.flux();
+        }
+    }
+}
+
+#include "rhoEqn.H"
+#include "compressibleContinuityErrs.H"
+
+U -= rUA*fvc::grad(p);
+U.correctBoundaryConditions();
+
+DpDt = fvc::DDt(surfaceScalarField("phiU", phi/fvc::interpolate(rho)), p);

applications/solvers/combustion/reactingFoam/reactingFoam.C

@@ -73,9 +73,7 @@ int main(int argc, char *argv[])
         {
             #include "UEqn.H"
             #include "YEqn.H"
-
-            #define Db turbulence->alphaEff()
-            #include "hEqn.H"
+            #include "hsEqn.H"
 
             // --- PISO loop
             for (int corr=1; corr<=nCorr; corr++)

applications/solvers/combustion/reactingFoam/rhoEqn.H

@@ -0,0 +1,42 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+     \\/     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 2 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, write to the Free Software Foundation,
+    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+Global
+    rhoEqn
+
+Description
+    Solve the continuity for density.
+
+\*---------------------------------------------------------------------------*/
+
+{
+    solve
+    (
+        fvm::ddt(rho) + fvc::div(phi)
+//      ==
+//        RRTot
+    );
+}
+
+// ************************************************************************* //

applications/solvers/combustion/rhoReactingFoam/Make/options

@@ -1,5 +1,4 @@
 EXE_INC = \
-    -I../XiFoam \
     -I$(LIB_SRC)/turbulenceModels/compressible/turbulenceModel \
     -I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
     -I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \

applications/solvers/combustion/rhoReactingFoam/UEqn.H

@@ -0,0 +1,15 @@
+    fvVectorMatrix UEqn
+    (
+        fvm::ddt(rho, U)
+      + fvm::div(phi, U)
+      + turbulence->divDevRhoReff(U)
+     ==
+        rho*g
+    );
+
+    UEqn.relax();
+
+    if (momentumPredictor)
+    {
+        solve(UEqn == -fvc::grad(p));
+    }

applications/solvers/combustion/rhoReactingFoam/chemistry.H

@@ -21,4 +21,6 @@
     {
         kappa = 1.0;
     }
+
+    chemistrySh = kappa*chemistry.Sh()();
 }

applications/solvers/combustion/rhoReactingFoam/createFields.H

@@ -5,7 +5,7 @@ autoPtr<rhoChemistryModel> pChemistry
 );
 rhoChemistryModel& chemistry = pChemistry();
 
-hReactionThermo& thermo = chemistry.thermo();
+hsReactionThermo& thermo = chemistry.thermo();
 
 basicMultiComponentMixture& composition = thermo.composition();
 PtrList<volScalarField>& Y = composition.Y();
@@ -40,7 +40,8 @@ volVectorField U
 
 volScalarField& p = thermo.p();
 const volScalarField& psi = thermo.psi();
-volScalarField& h = thermo.h();
+volScalarField& hs = thermo.hs();
+const volScalarField& T = thermo.T();
 
 
 #include "compressibleCreatePhi.H"
@@ -81,5 +82,18 @@ forAll(Y, i)
 {
     fields.add(Y[i]);
 }
-fields.add(h);
+fields.add(hs);
 
+DimensionedField<scalar, volMesh> chemistrySh
+(
+    IOobject
+    (
+        "chemistry::Sh",
+        runTime.timeName(),
+        mesh,
+        IOobject::NO_READ,
+        IOobject::NO_WRITE
+    ),
+    mesh,
+    dimensionedScalar("chemistrySh", dimEnergy/dimTime/dimVolume, 0.0)
+);

applications/solvers/combustion/rhoReactingFoam/hsEqn.H

@@ -0,0 +1,19 @@
+{
+    fvScalarMatrix hsEqn
+    (
+        fvm::ddt(rho, hs)
+      + mvConvection->fvmDiv(phi, hs)
+      - fvm::laplacian(turbulence->alphaEff(), hs)
+     ==
+        DpDt
+      + chemistrySh
+    );
+
+    hsEqn.relax();
+    hsEqn.solve();
+
+    thermo.correct();
+
+    Info<< "T gas min/max   = " << min(T).value() << ", "
+        << max(T).value() << endl;
+}

applications/solvers/combustion/rhoReactingFoam/rhoReactingFoam.C

@@ -74,7 +74,7 @@ int main(int argc, char *argv[])
         {
             #include "UEqn.H"
             #include "YEqn.H"
-            #include "hEqn.H"
+            #include "hsEqn.H"
 
             // --- PISO loop
             for (int corr=1; corr<=nCorr; corr++)