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LTSReactingFoam: New LTS version of reactingFoam
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Henry
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2013 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Application
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LTSReactingFoam
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Description
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Local time stepping (LTS) solver for steady, compressible, laminar or
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turbulent reacting and non-reacting flow.
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\*---------------------------------------------------------------------------*/
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#include "fvCFD.H"
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#include "turbulenceModel.H"
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#include "psiCombustionModel.H"
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#include "multivariateScheme.H"
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#include "pimpleControl.H"
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#include "fvIOoptionList.H"
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#include "fvcSmooth.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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int main(int argc, char *argv[])
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{
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#include "setRootCase.H"
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#include "createTime.H"
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#include "createMesh.H"
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pimpleControl pimple(mesh);
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#include "readGravitationalAcceleration.H"
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#include "createFields.H"
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#include "createFvOptions.H"
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#include "initContinuityErrs.H"
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#include "readTimeControls.H"
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#include "compressibleCourantNo.H"
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#include "setInitialrDeltaT.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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Info<< "\nStarting time loop\n" << endl;
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while (runTime.run())
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{
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#include "readTimeControls.H"
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runTime++;
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Info<< "Time = " << runTime.timeName() << nl << endl;
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#include "setrDeltaT.H"
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#include "rhoEqn.H"
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// --- Pressure-velocity PIMPLE corrector loop
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while (pimple.loop())
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{
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#include "UEqn.H"
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#include "YEqn.H"
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#include "EEqn.H"
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// --- Pressure corrector loop
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while (pimple.correct())
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{
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#include "pEqn.H"
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}
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if (pimple.turbCorr())
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{
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turbulence->correct();
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}
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}
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runTime.write();
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Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
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<< " ClockTime = " << runTime.elapsedClockTime() << " s"
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<< nl << endl;
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}
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Info<< "End\n" << endl;
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return(0);
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}
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// ************************************************************************* //
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@ -0,0 +1,3 @@
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LTSReactingFoam.C
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EXE = $(FOAM_APPBIN)/LTSReactingFoam
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EXE_INC = -ggdb3 \
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-I.. \
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-I$(LIB_SRC)/finiteVolume/lnInclude \
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-I$(LIB_SRC)/fvOptions/lnInclude \
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-I$(LIB_SRC)/meshTools/lnInclude \
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-I$(LIB_SRC)/sampling/lnInclude \
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-I$(LIB_SRC)/turbulenceModels/compressible/turbulenceModel \
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-I$(LIB_SRC)/thermophysicalModels/specie/lnInclude \
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-I$(LIB_SRC)/thermophysicalModels/reactionThermo/lnInclude \
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-I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
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-I$(LIB_SRC)/thermophysicalModels/chemistryModel/lnInclude \
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-I$(LIB_SRC)/ODE/lnInclude \
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-I$(LIB_SRC)/combustionModels/lnInclude
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EXE_LIBS = \
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-lfiniteVolume \
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-lfvOptions \
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-lmeshTools \
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-lsampling \
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-lcompressibleTurbulenceModel \
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-lcompressibleRASModels \
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-lcompressibleLESModels \
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-lreactionThermophysicalModels \
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-lspecie \
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-lfluidThermophysicalModels \
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-lchemistryModel \
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-lODE \
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-lcombustionModels
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@ -0,0 +1,48 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2013 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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|
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
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||||
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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// Maximum flow Courant number
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scalar maxCo(readScalar(pimple.dict().lookup("maxCo")));
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// Maximum time scale
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scalar maxDeltaT(pimple.dict().lookupOrDefault<scalar>("maxDeltaT", GREAT));
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// Smoothing parameter (0-1) when smoothing iterations > 0
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scalar rDeltaTSmoothingCoeff
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(
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pimple.dict().lookupOrDefault<scalar>("rDeltaTSmoothingCoeff", 0.1)
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);
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// Damping coefficient (1-0)
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scalar rDeltaTDampingCoeff
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(
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pimple.dict().lookupOrDefault<scalar>("rDeltaTDampingCoeff", 1.0)
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);
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// Maximum change in cell temperature per iteration (relative to previous value)
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scalar alphaTemp(pimple.dict().lookupOrDefault("alphaTemp", 0.5));
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// ************************************************************************* //
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@ -0,0 +1,14 @@
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volScalarField rDeltaT
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(
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IOobject
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(
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"rDeltaT",
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runTime.timeName(),
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mesh,
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IOobject::READ_IF_PRESENT,
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IOobject::AUTO_WRITE
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),
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mesh,
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dimensionedScalar("one", dimless/dimTime, 1),
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zeroGradientFvPatchScalarField::typeName
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);
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@ -0,0 +1,97 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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||||
\\ / A nd | Copyright (C) 2013 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
|
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(at your option) any later version.
|
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|
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
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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/>.
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\*---------------------------------------------------------------------------*/
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{
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Info<< "Time scales min/max:" << endl;
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// Cache old reciprocal time scale field
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volScalarField rDeltaT0("rDeltaT0", rDeltaT);
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// Flow time scale
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{
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rDeltaT.dimensionedInternalField() =
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(
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fvc::surfaceSum(mag(phi))().dimensionedInternalField()
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/((2*maxCo)*mesh.V()*rho.dimensionedInternalField())
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);
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// Limit the largest time scale
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rDeltaT.max(1/maxDeltaT);
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Info<< " Flow = "
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<< gMin(1/rDeltaT.internalField()) << ", "
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<< gMax(1/rDeltaT.internalField()) << endl;
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}
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// Reaction source time scale
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if (alphaTemp < 1.0)
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{
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volScalarField::DimensionedInternalField rDeltaTT
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(
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mag(reaction->Sh())/(alphaTemp*rho*thermo.Cp()*T)
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);
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Info<< " Temperature = "
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<< gMin(1/(rDeltaTT.field() + VSMALL)) << ", "
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<< gMax(1/(rDeltaTT.field() + VSMALL)) << endl;
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rDeltaT.dimensionedInternalField() = max
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(
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rDeltaT.dimensionedInternalField(),
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rDeltaTT
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);
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}
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// Update tho boundary values of the reciprocal time-step
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rDeltaT.correctBoundaryConditions();
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// Spatially smooth the time scale field
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if (rDeltaTSmoothingCoeff < 1.0)
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{
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fvc::smooth(rDeltaT, rDeltaTSmoothingCoeff);
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}
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// Limit rate of change of time scale
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// - reduce as much as required
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// - only increase at a fraction of old time scale
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if
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(
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rDeltaTDampingCoeff < 1.0
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&& runTime.timeIndex() > runTime.startTimeIndex() + 1
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)
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{
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rDeltaT = max
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(
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rDeltaT,
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(scalar(1.0) - rDeltaTDampingCoeff)*rDeltaT0
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);
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}
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Info<< " Overall = "
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<< gMin(1/rDeltaT.internalField())
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<< ", " << gMax(1/rDeltaT.internalField()) << endl;
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}
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// ************************************************************************* //
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