Commit d8a14ecf authored by sergio's avatar sergio
Browse files

ENH: solver and tutorial using baffles

parent 562cbe71
buoyantBaffleSimpleFoam.C
EXE = $(FOAM_APPBIN)/buoyantBaffleSimpleFoam
EXE_INC = \
-I$(LIB_SRC)/thermophysicalModels/basic/lnInclude \
-I$(LIB_SRC)/meshTools/lnInclude \
-I$(LIB_SRC)/turbulenceModels \
-I$(LIB_SRC)/turbulenceModels/compressible/RAS/lnInclude \
-I$(LIB_SRC)/finiteVolume/cfdTools \
-I$(LIB_SRC)/finiteVolume/lnInclude \
-I$(LIB_SRC)/regionModels/regionModel/lnInclude \
-I$(LIB_SRC)/regionModels/thermoBaffleModels/lnInclude
EXE_LIBS = \
-lmeshTools \
-lbasicThermophysicalModels \
-lspecie \
-lcompressibleTurbulenceModel \
-lcompressibleRASModels \
-lfiniteVolume \
-lmeshTools \
-lthermoBaffleModels
// Solve the Momentum equation
tmp<fvVectorMatrix> UEqn
(
fvm::div(phi, U)
+ turbulence->divDevRhoReff(U)
);
UEqn().relax();
if (simple.momentumPredictor())
{
solve
(
UEqn()
==
fvc::reconstruct
(
(
- ghf*fvc::snGrad(rho)
- fvc::snGrad(p_rgh)
)*mesh.magSf()
)
);
}
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2011 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 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
buoyantBaffleSimpleFoam
Description
Steady-state solver for buoyant, turbulent flow of compressible fluids
using thermal baffles
\*---------------------------------------------------------------------------*/
#include "fvCFD.H"
#include "basicPsiThermo.H"
#include "RASModel.H"
#include "fixedGradientFvPatchFields.H"
#include "simpleControl.H"
#include "thermoBaffleModel.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
#include "setRootCase.H"
#include "createTime.H"
#include "createMesh.H"
#include "readGravitationalAcceleration.H"
#include "createFields.H"
#include "initContinuityErrs.H"
simpleControl simple(mesh);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Info<< "\nStarting time loop\n" << endl;
while (simple.loop())
{
Info<< "Time = " << runTime.timeName() << nl << endl;
p_rgh.storePrevIter();
rho.storePrevIter();
// Pressure-velocity SIMPLE corrector
{
#include "UEqn.H"
#include "hEqn.H"
#include "pEqn.H"
}
turbulence->correct();
runTime.write();
Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
<< " ClockTime = " << runTime.elapsedClockTime() << " s"
<< nl << endl;
}
Info<< "End\n" << endl;
return 0;
}
// ************************************************************************* //
Info<< "Reading thermophysical properties\n" << endl;
autoPtr<basicPsiThermo> pThermo
(
basicPsiThermo::New(mesh)
);
basicPsiThermo& thermo = pThermo();
volScalarField rho
(
IOobject
(
"rho",
runTime.timeName(),
mesh,
IOobject::NO_READ,
IOobject::NO_WRITE
),
thermo.rho()
);
volScalarField& p = thermo.p();
volScalarField& h = thermo.h();
const volScalarField& psi = thermo.psi();
Info<< "Reading 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::RASModel> turbulence
(
compressible::RASModel::New
(
rho,
U,
phi,
thermo
)
);
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;
label pRefCell = 0;
scalar pRefValue = 0.0;
setRefCell
(
p,
p_rgh,
mesh.solutionDict().subDict("SIMPLE"),
pRefCell,
pRefValue
);
autoPtr<regionModels::thermoBaffleModels::thermoBaffleModel> baffles
(
regionModels::thermoBaffleModels::thermoBaffleModel::New(mesh)
);
dimensionedScalar initialMass = fvc::domainIntegrate(rho);
dimensionedScalar totalVolume = sum(mesh.V());
{
fvScalarMatrix hEqn
(
fvm::div(phi, h)
- fvm::Sp(fvc::div(phi), h)
- fvm::laplacian(turbulence->alphaEff(), h)
==
fvc::div(phi/fvc::interpolate(rho)*fvc::interpolate(p))
- p*fvc::div(phi/fvc::interpolate(rho))
);
hEqn.relax();
hEqn.solve();
baffles->evolve();
thermo.correct();
}
{
rho = thermo.rho();
rho.relax();
volScalarField rAU(1.0/UEqn().A());
surfaceScalarField rhorAUf("(rho*(1|A(U)))", fvc::interpolate(rho*rAU));
U = rAU*UEqn().H();
UEqn.clear();
phi = fvc::interpolate(rho)*(fvc::interpolate(U) & mesh.Sf());
bool closedVolume = adjustPhi(phi, U, p_rgh);
surfaceScalarField buoyancyPhi(rhorAUf*ghf*fvc::snGrad(rho)*mesh.magSf());
phi -= buoyancyPhi;
for (int nonOrth=0; nonOrth<=simple.nNonOrthCorr(); nonOrth++)
{
fvScalarMatrix p_rghEqn
(
fvm::laplacian(rhorAUf, p_rgh) == fvc::div(phi)
);
p_rghEqn.setReference(pRefCell, getRefCellValue(p_rgh, pRefCell));
p_rghEqn.solve();
if (nonOrth == simple.nNonOrthCorr())
{
// Calculate the conservative fluxes
phi -= 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 -= rAU*fvc::reconstruct((buoyancyPhi + p_rghEqn.flux())/rhorAUf);
U.correctBoundaryConditions();
}
}
#include "continuityErrs.H"
p = p_rgh + rho*gh;
// For closed-volume cases adjust the pressure level
// to obey overall mass continuity
if (closedVolume)
{
p += (initialMass - fvc::domainIntegrate(psi*p))
/fvc::domainIntegrate(psi);
p_rgh = p - rho*gh;
}
rho = thermo.rho();
rho.relax();
Info<< "rho max/min : " << max(rho).value() << " " << min(rho).value()
<< endl;
}
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object T;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [ 0 0 0 1 0 0 0 ];
internalField uniform 300;
boundaryField
{
floor
{
type zeroGradient;
}
ceiling
{
type zeroGradient;
}
inlet
{
type fixedValue;
value uniform 300;
}
outlet
{
type inletOutlet;
inletValue uniform 300;
value uniform 300;
}
fixedWalls
{
type empty;
}
}
// ************************************************************************* //
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volVectorField;
location "0";
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [ 0 1 -1 0 0 0 0 ];
internalField uniform ( 0.1 0 0 );
boundaryField
{
floor
{
type fixedValue;
value uniform ( 0 0 0 );
}
ceiling
{
type fixedValue;
value uniform ( 0 0 0 );
}
inlet
{
type fixedValue;
value uniform ( 0.1 0 0 );
}
outlet
{
type inletOutlet;
inletValue uniform ( 0 0 0 );
value uniform ( 0 0 0 );
}
fixedWalls
{
type empty;
}
}
// ************************************************************************* //
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object alphat;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [ 1 -1 -1 0 0 0 0 ];
internalField uniform 0;
boundaryField
{
floor
{
type alphatWallFunction;
value uniform 0;
}
ceiling
{
type alphatWallFunction;
value uniform 0;
}
inlet
{
type calculated;
value uniform 0;
}
outlet
{
type calculated;
value uniform 0;
}
fixedWalls
{
type empty;
}
}
// ************************************************************************* //
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object epsilon;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [ 0 2 -3 0 0 0 0 ];
internalField uniform 0.01;
boundaryField
{
floor
{
type compressible::epsilonWallFunction;
value uniform 0.01;
}
ceiling
{
type compressible::epsilonWallFunction;
value uniform 0.01;
}
inlet
{
type fixedValue;
value uniform 0.01;
}
outlet
{
type zeroGradient;
}
fixedWalls
{
type empty;
}
}
// ************************************************************************* //
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object k;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [ 0 2 -2 0 0 0 0 ];
internalField uniform 0.1;
boundaryField
{
floor
{
type compressible::kqRWallFunction;
value uniform 0.1;
}
ceiling
{
type compressible::kqRWallFunction;
value uniform 0.1;
}
inlet
{
type fixedValue;
value uniform 0.1;
}
outlet
{
type zeroGradient;
}
fixedWalls
{
type empty;
}
}
// ************************************************************************* //
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object mut;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //