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sonicFoam: change internal energy equation formulation to conserve total energy

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This commit is contained in:
Henry
2012-09-12 15:36:39 +01:00
parent 4d0620eaa6
commit 7eef5af786
16 changed files with 2056 additions and 62 deletions
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1
applications/solvers/compressible/sonicFoam/UEqn.H
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@ -6,3 +6,4 @@ fvVectorMatrix UEqn
);
solve(UEqn == -fvc::grad(p));
K = 0.5*magSqr(U);

3
applications/solvers/compressible/sonicFoam/createFields.H
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@ -49,3 +49,6 @@
thermo
)
);
Info<< "Creating field kinetic energy K\n" << endl;
volScalarField K("K", 0.5*magSqr(U));

2
applications/solvers/compressible/sonicFoam/eEqn.H
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@ -5,7 +5,7 @@
+ fvm::div(phi, e)
- fvm::laplacian(turbulence->alphaEff(), e)
==
- p*fvc::div(phi/fvc::interpolate(rho))
- (fvc::ddt(rho, K) + fvc::div(phi, volScalarField("Ekp", K + p/rho)))
);
thermo.correct();

1
applications/solvers/compressible/sonicFoam/pEqn.H
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@ -39,3 +39,4 @@ for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
U = HbyA - rAU*fvc::grad(p);
U.correctBoundaryConditions();
K = 0.5*magSqr(U);

6
applications/solvers/compressible/sonicFoam/sonicFoam.C
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@ -56,16 +56,12 @@ int main(int argc, char *argv[])
#include "compressibleCourantNo.H"
#include "rhoEqn.H"
#include "UEqn.H"
#include "eEqn.H"
// --- PISO loop
for (int corr=0; corr<nCorr; corr++)
{
#include "eEqn.H"
#include "pEqn.H"
}

2
tutorials/compressible/sonicFoam/laminar/forwardStep/0/U
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@ -16,7 +16,7 @@ FoamFile
dimensions [0 1 -1 0 0 0 0];
internalField uniform (0 0 0);
internalField uniform (3 0 0);
boundaryField
{

2
tutorials/compressible/sonicFoam/laminar/forwardStep/system/fvSchemes
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@ -33,7 +33,7 @@ divSchemes
div(phi,U) Gauss upwind;
div(phid,p) Gauss limitedLinear 1;
div(phi,e) Gauss limitedLinear 1;
div(phi,K) Gauss limitedLinear 1;
div(phi,Ekp) Gauss limitedLinear 1;
div((muEff*dev2(T(grad(U))))) Gauss linear 1;
}

1009
tutorials/compressible/sonicFoam/laminar/shockTube/0/T
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File diff suppressed because it is too large Load Diff

3
tutorials/compressible/sonicFoam/laminar/shockTube/0/U
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@ -10,6 +10,7 @@ FoamFile
version 2.0;
format ascii;
class volVectorField;
location "0";
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -24,11 +25,11 @@ boundaryField
{
type zeroGradient;
}
empty
{
type empty;
}
}
// ************************************************************************* //

2
tutorials/compressible/sonicFoam/laminar/shockTube/0/magU
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@ -10,6 +10,7 @@ FoamFile
version 2.0;
format ascii;
class volScalarField;
location "0";
object magU;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -31,4 +32,5 @@ boundaryField
}
}
// ************************************************************************* //

1009
tutorials/compressible/sonicFoam/laminar/shockTube/0/p
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File diff suppressed because it is too large Load Diff

2
tutorials/compressible/sonicFoam/laminar/shockTube/system/fvSchemes
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@ -33,7 +33,7 @@ divSchemes
div(phi,U) Gauss upwind;
div(phid,p) Gauss limitedLinear 1;
div(phi,e) Gauss limitedLinear 1;
div(phi,K) Gauss limitedLinear 1;
div(phi,Ekp) Gauss limitedLinear 1;
div((muEff*dev2(T(grad(U))))) Gauss linear 1;
}

16
tutorials/compressible/sonicFoam/ras/nacaAirfoil/system/fvSchemes
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@ -29,25 +29,17 @@ divSchemes
{
default none;
div(phi,U) Gauss limitedLinearV 1;
div(phi,e) Gauss limitedLinear 1;
div(phi,Ekp) Gauss limitedLinear 1;
div(phid,p) Gauss limitedLinear 1;
div(phi,k) Gauss upwind;
div(phi,epsilon) Gauss upwind;
div(phi,R) Gauss upwind;
div(R) Gauss linear;
div(phid,p) Gauss limitedLinear 1;
div(phi,K) Gauss limitedLinear 1;
div(phi,e) Gauss limitedLinear 1;
div((muEff*dev2(T(grad(U))))) Gauss linear;
}
laplacianSchemes
{
default none;
laplacian(muEff,U) Gauss linear limited 0.5;
laplacian(DkEff,k) Gauss linear limited 0.5;
laplacian(DREff,R) Gauss linear limited 0.5;
laplacian(DepsilonEff,epsilon) Gauss linear limited 0.5;
laplacian(Dp,p) Gauss linear limited 0.5;
laplacian(alphaEff,e) Gauss linear limited 0.5;
default Gauss linear limited 0.5;
}
interpolationSchemes

26
tutorials/compressible/sonicFoam/ras/nacaAirfoil/system/fvSolution
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@ -17,6 +17,11 @@ FoamFile
solvers
{
rho
{
solver diagonal;
}
p
{
solver PBiCG;
@ -25,26 +30,23 @@ solvers
relTol 0;
}
rho
{
solver PCG;
preconditioner DIC;
tolerance 1e-08;
relTol 0;
}
"(U|e|k|epsilon|R)"
"(U|e)"
{
$p;
tolerance 1e-08;
relTol 0;
tolerance 1e-9;
}
"(k|epsilon)"
{
$p;
tolerance 1e-10;
}
}
PISO
{
nCorrectors 2;
nNonOrthogonalCorrectors 2;
nNonOrthogonalCorrectors 0;
}

16
tutorials/compressible/sonicFoam/ras/prism/system/fvSchemes
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@ -29,25 +29,17 @@ divSchemes
{
default none;
div(phi,U) Gauss limitedLinearV 1;
div(phi,e) Gauss limitedLinear 1;
div(phi,Ekp) Gauss limitedLinear 1;
div(phid,p) Gauss limitedLinear 1;
div(phi,k) Gauss upwind;
div(phi,epsilon) Gauss upwind;
div(phi,R) Gauss upwind;
div(R) Gauss linear;
div(phid,p) Gauss limitedLinear 1;
div(phi,K) Gauss limitedLinear 1;
div(phi,e) Gauss limitedLinear 1;
div((muEff*dev2(T(grad(U))))) Gauss linear;
}
laplacianSchemes
{
default none;
laplacian(muEff,U) Gauss linear corrected;
laplacian(DkEff,k) Gauss linear corrected;
laplacian(DREff,R) Gauss linear corrected;
laplacian(DepsilonEff,epsilon) Gauss linear corrected;
laplacian(Dp,p) Gauss linear corrected;
laplacian(alphaEff,e) Gauss linear corrected;
default Gauss linear corrected;
}
interpolationSchemes

18
tutorials/compressible/sonicFoam/ras/prism/system/fvSolution
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@ -17,6 +17,11 @@ FoamFile
solvers
{
rho
{
solver diagonal;
}
p
{
solver PBiCG;
@ -25,34 +30,23 @@ solvers
relTol 0;
}
rho
{
solver PCG;
preconditioner DIC;
tolerance 1e-05;
relTol 0;
}
"(U|e|R)"
{
$p;
tolerance 1e-05;
relTol 0;
}
"(k|epsilon)"
{
$p;
tolerance 1e-08;
relTol 0;
}
}
PISO
{
nCorrectors 2;
nNonOrthogonalCorrectors 2;
nNonOrthogonalCorrectors 0;
}