mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
Added interPhaseChangeFoam tutorial case: cavitatingBullet
This commit is contained in:
andy
@ -0,0 +1,49 @@
|
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/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class volVectorField;
|
||||
location "0";
|
||||
object U;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
dimensions [0 1 -1 0 0];
|
||||
|
||||
internalField uniform (0 0 20);
|
||||
|
||||
boundaryField
|
||||
{
|
||||
inlet
|
||||
{
|
||||
type fixedValue;
|
||||
value $internalField;
|
||||
}
|
||||
|
||||
outlet
|
||||
{
|
||||
type pressureInletOutletVelocity;
|
||||
phi phi;
|
||||
value $internalField;
|
||||
}
|
||||
|
||||
walls
|
||||
{
|
||||
type symmetryPlane;
|
||||
}
|
||||
|
||||
bullet
|
||||
{
|
||||
type fixedValue;
|
||||
value uniform (0 0 0);
|
||||
}
|
||||
}
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,47 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class volScalarField;
|
||||
location "0";
|
||||
object alpha1;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
dimensions [0 0 0 0 0];
|
||||
|
||||
internalField uniform 1;
|
||||
|
||||
boundaryField
|
||||
{
|
||||
inlet
|
||||
{
|
||||
type fixedValue;
|
||||
value $internalField;
|
||||
}
|
||||
|
||||
outlet
|
||||
{
|
||||
type inletOutlet;
|
||||
inletValue $internalField;
|
||||
}
|
||||
|
||||
walls
|
||||
{
|
||||
type symmetryPlane;
|
||||
}
|
||||
|
||||
bullet
|
||||
{
|
||||
type zeroGradient;
|
||||
}
|
||||
}
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,46 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class volScalarField;
|
||||
location "0";
|
||||
object p;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
dimensions [1 -1 -2 0 0];
|
||||
|
||||
internalField uniform 100000;
|
||||
|
||||
boundaryField
|
||||
{
|
||||
inlet
|
||||
{
|
||||
type zeroGradient;
|
||||
}
|
||||
|
||||
outlet
|
||||
{
|
||||
type fixedValue;
|
||||
value $internalField;
|
||||
}
|
||||
|
||||
walls
|
||||
{
|
||||
type symmetryPlane;
|
||||
}
|
||||
|
||||
bullet
|
||||
{
|
||||
type buoyantPressure;
|
||||
}
|
||||
}
|
||||
|
||||
// ************************************************************************* //
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||||
14
tutorials/multiphase/interPhaseChangeFoam/cavitatingBullet/Allrun
Executable file
14
tutorials/multiphase/interPhaseChangeFoam/cavitatingBullet/Allrun
Executable file
@ -0,0 +1,14 @@
|
||||
#!/bin/sh
|
||||
|
||||
# Source tutorial run functions
|
||||
. $WM_PROJECT_DIR/bin/tools/RunFunctions
|
||||
|
||||
# Generate the base block mesh
|
||||
runApplication blockMesh
|
||||
|
||||
# Generate the snappy mesh
|
||||
runApplication snappyHexMesh -overwrite
|
||||
|
||||
# Run the solver
|
||||
runApplication interPhaseChangeFoam
|
||||
|
||||
@ -0,0 +1,22 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class uniformDimensionedVectorField;
|
||||
location "constant";
|
||||
object g;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
dimensions [0 1 -2 0 0 0 0];
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||||
value (0 -9.81 0);
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,57 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
location "constant";
|
||||
object blockMeshDict;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
convertToMeters 1e-3;
|
||||
|
||||
vertices
|
||||
(
|
||||
(-15 -15 -15)
|
||||
(15 -15 -15)
|
||||
(15 15 -15)
|
||||
(-15 15 -15)
|
||||
(-15 -15 100)
|
||||
(15 -15 100)
|
||||
(15 15 100)
|
||||
(-15 15 100)
|
||||
);
|
||||
|
||||
blocks
|
||||
(
|
||||
hex (0 1 2 3 4 5 6 7) (15 15 50) simpleGrading (1 1 1)
|
||||
);
|
||||
|
||||
patches
|
||||
(
|
||||
patch inlet
|
||||
(
|
||||
(0 3 2 1)
|
||||
)
|
||||
patch outlet
|
||||
(
|
||||
(4 5 6 7)
|
||||
)
|
||||
symmetryPlane walls
|
||||
(
|
||||
(0 4 7 3)
|
||||
(2 6 5 1)
|
||||
(1 5 4 0)
|
||||
(3 7 6 2)
|
||||
)
|
||||
);
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,46 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class polyBoundaryMesh;
|
||||
location "constant/polyMesh";
|
||||
object boundary;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
4
|
||||
(
|
||||
inlet
|
||||
{
|
||||
type patch;
|
||||
nFaces 225;
|
||||
startFace 1129981;
|
||||
}
|
||||
outlet
|
||||
{
|
||||
type patch;
|
||||
nFaces 225;
|
||||
startFace 1130206;
|
||||
}
|
||||
walls
|
||||
{
|
||||
type symmetryPlane;
|
||||
nFaces 3000;
|
||||
startFace 1130431;
|
||||
}
|
||||
bullet
|
||||
{
|
||||
type wall;
|
||||
nFaces 37896;
|
||||
startFace 1133431;
|
||||
}
|
||||
)
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,64 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
object transportProperties;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
phaseChange on;
|
||||
|
||||
phaseChangeTwoPhaseMixture SchnerrSauer;
|
||||
|
||||
pSat pSat [1 -1 -2 0 0] 2300; // saturation pressure
|
||||
|
||||
sigma sigma [1 0 -2 0 0 0 0] 0.07;
|
||||
|
||||
phase1
|
||||
{
|
||||
transportModel Newtonian;
|
||||
nu nu [0 2 -1 0 0 0 0] 9e-07;
|
||||
rho rho [1 -3 0 0 0 0 0] 1000;
|
||||
}
|
||||
|
||||
phase2
|
||||
{
|
||||
transportModel Newtonian;
|
||||
nu nu [0 2 -1 0 0 0 0] 4.273e-04;
|
||||
rho rho [1 -3 0 0 0 0 0] 0.02308;
|
||||
}
|
||||
|
||||
KunzCoeffs
|
||||
{
|
||||
UInf UInf [0 1 -1 0 0 0 0] 20.0;
|
||||
tInf tInf [0 0 1 0 0 0 0] 0.005; // L = 0.1 m
|
||||
Cc Cc [0 0 0 0 0 0 0] 1000;
|
||||
Cv Cv [0 0 0 0 0 0 0] 1000;
|
||||
}
|
||||
|
||||
MerkleCoeffs
|
||||
{
|
||||
UInf UInf [0 1 -1 0 0 0 0] 20.0;
|
||||
tInf tInf [0 0 1 0 0 0 0] 0.005; // L = 0.1 m
|
||||
Cc Cc [0 0 0 0 0 0 0] 80;
|
||||
Cv Cv [0 0 0 0 0 0 0] 1e-03;
|
||||
}
|
||||
|
||||
SchnerrSauerCoeffs
|
||||
{
|
||||
n n [0 -3 0 0 0 0 0] 1.6e+09;
|
||||
dNuc dNuc [0 1 0 0 0 0 0] 2.0e-06;
|
||||
Cc Cc [0 0 0 0 0 0 0] 1;
|
||||
Cv Cv [0 0 0 0 0 0 0] 1;
|
||||
}
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,20 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------* \
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: http://www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
object turbulenceProperties;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
simulationType laminar;
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,50 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: http://www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
object controlDict;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
application interPhaseChangeFoam;
|
||||
|
||||
startFrom latestTime;
|
||||
|
||||
startTime 0;
|
||||
|
||||
stopAt endTime;
|
||||
|
||||
endTime 0.05;
|
||||
|
||||
deltaT 1e-8;
|
||||
|
||||
writeControl adjustableRunTime;
|
||||
|
||||
writeInterval 0.001;
|
||||
|
||||
purgeWrite 0;
|
||||
|
||||
writeFormat ascii;
|
||||
|
||||
writePrecision 6;
|
||||
|
||||
writeCompression uncompressed;
|
||||
|
||||
timeFormat general;
|
||||
|
||||
runTimeModifiable yes;
|
||||
|
||||
adjustTimeStep on;
|
||||
|
||||
maxCo 1.0;
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,50 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
location "system";
|
||||
object decomposeParDict;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
numberOfSubdomains 4;
|
||||
|
||||
method simple;
|
||||
|
||||
simpleCoeffs
|
||||
{
|
||||
n ( 2 2 1 );
|
||||
delta 0.001;
|
||||
}
|
||||
|
||||
hierarchicalCoeffs
|
||||
{
|
||||
n ( 1 1 1 );
|
||||
delta 0.001;
|
||||
order xyz;
|
||||
}
|
||||
|
||||
metisCoeffs
|
||||
{
|
||||
processorWeights ( 1 1 1 1 );
|
||||
}
|
||||
|
||||
manualCoeffs
|
||||
{
|
||||
dataFile "";
|
||||
}
|
||||
|
||||
distributed no;
|
||||
|
||||
roots ( );
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,64 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: http://www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
object fvSchemes;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
ddtSchemes
|
||||
{
|
||||
default Euler;
|
||||
}
|
||||
|
||||
interpolationSchemes
|
||||
{
|
||||
default linear;
|
||||
}
|
||||
|
||||
divSchemes
|
||||
{
|
||||
default none;
|
||||
div(rhoPhi,U) Gauss linearUpwind Gauss linear 1;
|
||||
div(phi,omega) Gauss linearUpwind Gauss linear 1;
|
||||
div(phi,k) Gauss linearUpwind Gauss linear 1;
|
||||
|
||||
div(phi,alpha) Gauss vanLeer;
|
||||
div(phirb,alpha) Gauss interfaceCompression;
|
||||
}
|
||||
|
||||
gradSchemes
|
||||
{
|
||||
default Gauss linear;
|
||||
}
|
||||
|
||||
laplacianSchemes
|
||||
{
|
||||
default Gauss linear limited 0.5;
|
||||
}
|
||||
|
||||
snGradSchemes
|
||||
{
|
||||
default none;
|
||||
snGrad(pd) limited 0.5;
|
||||
snGrad(rho) limited 0.5;
|
||||
snGrad(alpha1) limited 0.5;
|
||||
}
|
||||
|
||||
fluxRequired
|
||||
{
|
||||
default none;
|
||||
p;
|
||||
pcorr;
|
||||
alpha1;
|
||||
}
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,112 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: http://www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
object fvSolution;
|
||||
}
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
solvers
|
||||
{
|
||||
alpha1
|
||||
{
|
||||
maxUnboundedness 1e-5;
|
||||
CoCoeff 2;
|
||||
maxIter 5;
|
||||
nLimiterIter 2;
|
||||
|
||||
solver PBiCG;
|
||||
preconditioner DILU;
|
||||
tolerance 1e-12;
|
||||
relTol 0.1;
|
||||
};
|
||||
|
||||
U
|
||||
{
|
||||
solver PBiCG;
|
||||
preconditioner DILU;
|
||||
tolerance 1e-06;
|
||||
relTol 0;
|
||||
};
|
||||
|
||||
p
|
||||
{
|
||||
solver GAMG;
|
||||
tolerance 1e-8;
|
||||
relTol 0.1;
|
||||
|
||||
smoother DICGaussSeidel;
|
||||
nPreSweeps 0;
|
||||
nPostSweeps 2;
|
||||
|
||||
cacheAgglomeration true;
|
||||
|
||||
nCellsInCoarsestLevel 10;
|
||||
agglomerator faceAreaPair;
|
||||
mergeLevels 1;
|
||||
|
||||
maxIter 50;
|
||||
};
|
||||
|
||||
pcorr
|
||||
{
|
||||
$p;
|
||||
relTol 0;
|
||||
};
|
||||
|
||||
pFinal
|
||||
{
|
||||
solver PCG;
|
||||
preconditioner
|
||||
{
|
||||
preconditioner GAMG;
|
||||
|
||||
tolerance 1e-6;
|
||||
relTol 0;
|
||||
|
||||
nVcycles 2;
|
||||
|
||||
smoother DICGaussSeidel;
|
||||
nPreSweeps 0;
|
||||
nPostSweeps 2;
|
||||
nFinestSweeps 2;
|
||||
|
||||
cacheAgglomeration false;
|
||||
nCellsInCoarsestLevel 10;
|
||||
agglomerator faceAreaPair;
|
||||
mergeLevels 1;
|
||||
};
|
||||
tolerance 1e-7;
|
||||
relTol 0;
|
||||
maxIter 50;
|
||||
};
|
||||
}
|
||||
|
||||
PISO
|
||||
{
|
||||
momentumPredictor no;
|
||||
nOuterCorrectors 1;
|
||||
nCorrectors 2;
|
||||
nNonOrthogonalCorrectors 1;
|
||||
|
||||
cAlpha 0;
|
||||
nAlphaCorr 1;
|
||||
nAlphaSubCycles 1;
|
||||
}
|
||||
|
||||
|
||||
relaxationFactors
|
||||
{
|
||||
U 1;
|
||||
}
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
@ -0,0 +1,343 @@
|
||||
/*--------------------------------*- C++ -*----------------------------------*\
|
||||
| ========= | |
|
||||
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
|
||||
| \\ / O peration | Version: 1.6 |
|
||||
| \\ / A nd | Web: http://www.OpenFOAM.org |
|
||||
| \\/ M anipulation | |
|
||||
\*---------------------------------------------------------------------------*/
|
||||
FoamFile
|
||||
{
|
||||
version 2.0;
|
||||
format ascii;
|
||||
class dictionary;
|
||||
object snappyHexMeshDict;
|
||||
}
|
||||
|
||||
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||||
|
||||
// Which of the steps to run
|
||||
castellatedMesh true;
|
||||
snap true;
|
||||
addLayers true;
|
||||
|
||||
|
||||
// Geometry. Definition of all surfaces. All surfaces are of class
|
||||
// searchableSurface.
|
||||
// Surfaces are used
|
||||
// - to specify refinement for any mesh cell intersecting it
|
||||
// - to specify refinement for any mesh cell inside/outside/near
|
||||
// - to 'snap' the mesh boundary to the surface
|
||||
geometry
|
||||
{
|
||||
bullet.stl
|
||||
{
|
||||
type triSurfaceMesh;
|
||||
name bullet;
|
||||
|
||||
regions
|
||||
{
|
||||
bullet
|
||||
{
|
||||
name bullet;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
refinement1
|
||||
{
|
||||
type searchableSphere;
|
||||
centre (0 0 0.0025);
|
||||
radius 0.0075;
|
||||
}
|
||||
|
||||
refinement2
|
||||
{
|
||||
type searchableCylinder;
|
||||
point1 (0 0 0);
|
||||
point2 (0 0 0.03);
|
||||
radius 0.0075;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
// Settings for the castellatedMesh generation.
|
||||
castellatedMeshControls
|
||||
{
|
||||
|
||||
// Refinement parameters
|
||||
// ~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
// While refining maximum number of cells per processor. This is basically
|
||||
// the number of cells that fit on a processor. If you choose this too small
|
||||
// it will do just more refinement iterations to obtain a similar mesh.
|
||||
maxLocalCells 1000000;
|
||||
|
||||
// Overall cell limit (approximately). Refinement will stop immediately
|
||||
// upon reaching this number so a refinement level might not complete.
|
||||
// Note that this is the number of cells before removing the part which
|
||||
// is not 'visible' from the keepPoint. The final number of cells might
|
||||
// actually be a lot less.
|
||||
maxGlobalCells 2000000;
|
||||
|
||||
// The surface refinement loop might spend lots of iterations refining just a
|
||||
// few cells. This setting will cause refinement to stop if <= minimumRefine
|
||||
// are selected for refinement. Note: it will at least do one iteration
|
||||
// (unless the number of cells to refine is 0)
|
||||
minRefinementCells 10;
|
||||
|
||||
// Number of buffer layers between different levels.
|
||||
// 1 means normal 2:1 refinement restriction, larger means slower
|
||||
// refinement.
|
||||
nCellsBetweenLevels 2;
|
||||
|
||||
|
||||
|
||||
// Explicit feature edge refinement
|
||||
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
// Specifies a level for any cell intersected by its edges.
|
||||
// This is a featureEdgeMesh, read from constant/triSurface for now.
|
||||
features
|
||||
(
|
||||
//{
|
||||
// file "someLine.eMesh";
|
||||
// level 2;
|
||||
//}
|
||||
);
|
||||
|
||||
|
||||
|
||||
// Surface based refinement
|
||||
// ~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
// Specifies two levels for every surface. The first is the minimum level,
|
||||
// every cell intersecting a surface gets refined up to the minimum level.
|
||||
// The second level is the maximum level. Cells that 'see' multiple
|
||||
// intersections where the intersections make an
|
||||
// angle > resolveFeatureAngle get refined up to the maximum level.
|
||||
|
||||
refinementSurfaces
|
||||
{
|
||||
bullet
|
||||
{
|
||||
// Surface-wise min and max refinement level
|
||||
level (4 4);
|
||||
}
|
||||
}
|
||||
|
||||
// Resolve sharp angles
|
||||
resolveFeatureAngle -1;
|
||||
|
||||
|
||||
// Region-wise refinement
|
||||
// ~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
// Specifies refinement level for cells in relation to a surface. One of
|
||||
// three modes
|
||||
// - distance. 'levels' specifies per distance to the surface the
|
||||
// wanted refinement level. The distances need to be specified in
|
||||
// descending order.
|
||||
// - inside. 'levels' is only one entry and only the level is used. All
|
||||
// cells inside the surface get refined up to the level. The surface
|
||||
// needs to be closed for this to be possible.
|
||||
// - outside. Same but cells outside.
|
||||
|
||||
refinementRegions
|
||||
{
|
||||
refinement1
|
||||
{
|
||||
mode inside;
|
||||
levels ((0.0 3));
|
||||
}
|
||||
refinement2
|
||||
{
|
||||
mode inside;
|
||||
levels ((0.0 3));
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Mesh selection
|
||||
// ~~~~~~~~~~~~~~
|
||||
|
||||
// After refinement patches get added for all refinementSurfaces and
|
||||
// all cells intersecting the surfaces get put into these patches. The
|
||||
// section reachable from the locationInMesh is kept.
|
||||
// NOTE: This point should never be on a face, always inside a cell, even
|
||||
// after refinement.
|
||||
locationInMesh (0 0 -10e-3);
|
||||
|
||||
allowFreeStandingZoneFaces false;
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Settings for the snapping.
|
||||
snapControls
|
||||
{
|
||||
//- Number of patch smoothing iterations before finding correspondence
|
||||
// to surface
|
||||
nSmoothPatch 3;
|
||||
|
||||
//- Relative distance for points to be attracted by surface feature point
|
||||
// or edge. True distance is this factor times local
|
||||
// maximum edge length.
|
||||
tolerance 4.0;
|
||||
|
||||
//- Number of mesh displacement relaxation iterations.
|
||||
nSolveIter 30;
|
||||
|
||||
//- Maximum number of snapping relaxation iterations. Should stop
|
||||
// before upon reaching a correct mesh.
|
||||
nRelaxIter 5;
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Settings for the layer addition.
|
||||
addLayersControls
|
||||
{
|
||||
// Are the thickness parameters below relative to the undistorted
|
||||
// size of the refined cell outside layer (true) or absolute sizes (false).
|
||||
relativeSizes true;
|
||||
|
||||
// Per final patch (so not geometry!) the layer information
|
||||
layers
|
||||
{
|
||||
}
|
||||
|
||||
// Expansion factor for layer mesh
|
||||
expansionRatio 1.0;
|
||||
|
||||
//- Wanted thickness of final added cell layer. If multiple layers
|
||||
// is the
|
||||
// thickness of the layer furthest away from the wall.
|
||||
// Relative to undistorted size of cell outside layer.
|
||||
finalLayerThickness 0.3;
|
||||
|
||||
//- Minimum thickness of cell layer. If for any reason layer
|
||||
// cannot be above minThickness do not add layer.
|
||||
// Relative to undistorted size of cell outside layer.
|
||||
minThickness 0.1;
|
||||
|
||||
//- If points get not extruded do nGrow layers of connected faces that are
|
||||
// also not grown. This helps convergence of the layer addition process
|
||||
// close to features.
|
||||
nGrow 1;
|
||||
|
||||
|
||||
// Advanced settings
|
||||
|
||||
//- When not to extrude surface. 0 is flat surface, 90 is when two faces
|
||||
// make straight angle.
|
||||
featureAngle 30;
|
||||
|
||||
//- Maximum number of snapping relaxation iterations. Should stop
|
||||
// before upon reaching a correct mesh.
|
||||
nRelaxIter 3;
|
||||
|
||||
// Number of smoothing iterations of surface normals
|
||||
nSmoothSurfaceNormals 1;
|
||||
|
||||
// Number of smoothing iterations of interior mesh movement direction
|
||||
nSmoothNormals 3;
|
||||
|
||||
// Smooth layer thickness over surface patches
|
||||
nSmoothThickness 10;
|
||||
|
||||
// Stop layer growth on highly warped cells
|
||||
maxFaceThicknessRatio 0.5;
|
||||
|
||||
// Reduce layer growth where ratio thickness to medial
|
||||
// distance is large
|
||||
maxThicknessToMedialRatio 0.3;
|
||||
|
||||
// Angle used to pick up medial axis points
|
||||
minMedianAxisAngle 130;
|
||||
|
||||
// Create buffer region for new layer terminations
|
||||
nBufferCellsNoExtrude 0;
|
||||
|
||||
// Overall max number of layer addition iterations. The mesher will exit
|
||||
// if it reaches this number of iterations; possibly with an illegal
|
||||
// mesh.
|
||||
nLayerIter 50;
|
||||
|
||||
// Max number of iterations after which relaxed meshQuality controls
|
||||
// get used. Up to nRelaxIter it uses the settings in meshQualityControls,
|
||||
// after nRelaxIter it uses the values in meshQualityControls::relaxed.
|
||||
nRelaxedIter 20;
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Generic mesh quality settings. At any undoable phase these determine
|
||||
// where to undo.
|
||||
meshQualityControls
|
||||
{
|
||||
//- Maximum non-orthogonality allowed. Set to 180 to disable.
|
||||
maxNonOrtho 65;
|
||||
|
||||
//- Max skewness allowed. Set to <0 to disable.
|
||||
maxBoundarySkewness 20;
|
||||
maxInternalSkewness 4;
|
||||
|
||||
//- Max concaveness allowed. Is angle (in degrees) below which concavity
|
||||
// is allowed. 0 is straight face, <0 would be convex face.
|
||||
// Set to 180 to disable.
|
||||
maxConcave 80;
|
||||
|
||||
//- Minimum projected area v.s. actual area. Set to -1 to disable.
|
||||
minFlatness 0.5;
|
||||
|
||||
//- Minimum pyramid volume. Is absolute volume of cell pyramid.
|
||||
// Set to very negative number (e.g. -1E30) to disable.
|
||||
minVol 1e-20;
|
||||
|
||||
//- Minimum face area. Set to <0 to disable.
|
||||
minArea -1;
|
||||
|
||||
//- Minimum face twist. Set to <-1 to disable. dot product of face normal
|
||||
//- and face centre triangles normal
|
||||
minTwist 0.02;
|
||||
|
||||
//- minimum normalised cell determinant
|
||||
//- 1 = hex, <= 0 = folded or flattened illegal cell
|
||||
minDeterminant 0.001;
|
||||
|
||||
//- minFaceWeight (0 -> 0.5)
|
||||
minFaceWeight 0.02;
|
||||
|
||||
//- minVolRatio (0 -> 1)
|
||||
minVolRatio 0.01;
|
||||
|
||||
//must be >0 for Fluent compatibility
|
||||
minTriangleTwist -1;
|
||||
|
||||
|
||||
// Advanced
|
||||
|
||||
//- Number of error distribution iterations
|
||||
nSmoothScale 4;
|
||||
//- amount to scale back displacement at error points
|
||||
errorReduction 0.75;
|
||||
}
|
||||
|
||||
|
||||
// Advanced
|
||||
|
||||
// Flags for optional output
|
||||
// 0 : only write final meshes
|
||||
// 1 : write intermediate meshes
|
||||
// 2 : write volScalarField with cellLevel for postprocessing
|
||||
// 4 : write current intersections as .obj files
|
||||
debug 0;
|
||||
|
||||
|
||||
// Merge tolerance. Is fraction of overall bounding box of initial mesh.
|
||||
// Note: the write tolerance needs to be higher than this.
|
||||
mergeTolerance 1E-6;
|
||||
|
||||
|
||||
// ************************************************************************* //
|
||||
Reference in New Issue
Block a user