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ENH: New pimpleDyMFoam tutorial of fluttering wing, demonstrating the

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sixDoFRigidBodyDisplacement BC restraints and constraints.
This commit is contained in:
graham
2010-05-14 17:54:58 +01:00
parent 4b00c01d0c
commit 7fc4368586
44 changed files with 3253 additions and 0 deletions
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16
tutorials/incompressible/pimpleDyMFoam/wingFlutter/Allclean Executable file
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#!/bin/sh
cd ${0%/*} || exit 1 # run from this directory
# Source tutorial run functions
. $WM_PROJECT_DIR/bin/tools/CleanFunctions
cd wingFlutter_snappyHexMesh
cleanCase
cd ../wingFlutter2D_simpleFoam
cleanCase
cd ../wingFlutter2D_pimpleDyMFoam
cleanCase
rm -rf 0

29
tutorials/incompressible/pimpleDyMFoam/wingFlutter/Allrun Executable file
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#!/bin/sh
cd ${0%/*} || exit 1 # run from this directory
# Source tutorial run functions
. $WM_PROJECT_DIR/bin/tools/RunFunctions
# Make 3D mesh in slab of cells.
cd wingFlutter_snappyHexMesh
runApplication blockMesh
runApplication snappyHexMesh -overwrite
# Make a 2D mesh by extruding a patch and solve to steady state.
cd ../wingFlutter2D_simpleFoam
runApplication extrudeMesh
runApplication createPatch -overwrite
runApplication simpleFoam
# Copy the mesh from the steady state case and map the results to a
# mesh motion case, then solve transient.
cd ../wingFlutter2D_pimpleDyMFoam
cp -r ../wingFlutter2D_simpleFoam/constant/polyMesh/* constant/polyMesh/
cp -r 0.org 0
runApplication mapFields ../wingFlutter2D_simpleFoam -sourceTime latestTime -consistent
mv 0/pointDisplacement.unmapped 0/pointDisplacement
runApplication decomposePar
runParallel pimpleDyMFoam 3
runApplication reconstructPar
# ----------------------------------------------------------------- end-of-file

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/U Normal file
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/*--------------------------------*- 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 volVectorField;
location "0";
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 1 -1 0 0 0 0];
internalField uniform $flowVelocity;
boundaryField
{
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue uniform (0 0 0);
value $internalField;
}
wing
{
type movingWallVelocity;
value uniform (0 0 0);
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/include/fixedInlet Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.6 |
| \\ / A nd | Web: http://www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
inlet
{
type fixedValue;
value $internalField;
}
// ************************************************************************* //

24
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/include/frontBackTopBottomPatches Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.6 |
| \\ / A nd | Web: http://www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
topAndBottom
{
type slip;
}
front
{
type empty
}
back
{
type empty;
}
// ************************************************************************* //

15
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/include/initialConditions Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.6 |
| \\ / A nd | Web: http://www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
flowVelocity (100 0 0);
pressure 0;
turbulentKE 37;
turbulentOmega 32;
#inputMode merge
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/k Normal file
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/*--------------------------------*- 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 volScalarField;
object k;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 2 -2 0 0 0 0];
internalField uniform $turbulentKE;
boundaryField
{
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue $internalField;
value $internalField;
}
wing
{
type kqRWallFunction;
value $internalField;
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/nut Normal file
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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 volScalarField;
location "0";
object nut;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 2 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
wing
{
type nutkWallFunction;
value uniform 0;
}
"(front|back|topAndBottom|inlet|outlet)"
{
type calculated;
value uniform 0;
}
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/omega Normal file
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/*--------------------------------*- 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 volScalarField;
object epsilon;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 0 -1 0 0 0 0];
internalField uniform $turbulentOmega;
boundaryField
{
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue $internalField;
value $internalField;
}
wing
{
type omegaWallFunction;
value $internalField;
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/p Normal file
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/*--------------------------------*- 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 volScalarField;
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 2 -2 0 0 0 0];
internalField uniform $pressure;
boundaryField
{
inlet
{
type zeroGradient;
}
outlet
{
type fixedValue;
value $internalField;
}
wing
{
type zeroGradient;
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/0.org/pointDisplacement Normal file
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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 pointVectorField;
location "0.01";
object pointDisplacement;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 1 0 0 0 0 0];
internalField uniform (0 0 0);
boundaryField
{
wing
{
type sixDoFRigidBodyDisplacement;
mass 22.9;
centreOfMass (0.4974612746 -0.01671895744 0.125);
momentOfInertia (1.958864357 3.920839234 2.057121362);
orientation
(
0.9953705935 0.09611129781 0
-0.09611129781 0.9953705935 0
0 0 1
);
velocity (0 0 0);
acceleration (0 0 0);
angularMomentum (0 0 -0.5);
torque (0 0 0);
rhoName rhoInf;
rhoInf 1;
g (0 -9.81 0);
report on;
constraints
{
maxIterations 500;
fixedLine1
{
sixDoFRigidBodyMotionConstraint fixedLine;
tolerance 1e-9;
relaxationFactor 0.7;
fixedLineCoeffs
{
refPoint (0.25 0.007 0.125);
direction (0 1 0);
}
}
fixedAxis1
{
sixDoFRigidBodyMotionConstraint fixedAxis;
tolerance 1e-06;
relaxationFactor 0.7;
fixedAxisCoeffs
{
axis ( 0 0 1 );
}
}
}
restraints
{
verticalSpring
{
sixDoFRigidBodyMotionRestraint linearSpring;
linearSpringCoeffs
{
anchor (0.25 0.007 0.125);
refAttachmentPt (0.25 0.007 0.125);
stiffness 4000;
damping 2;
restLength 0;
}
}
axialSpring
{
sixDoFRigidBodyMotionRestraint linearAxialAngularSpring;
linearAxialAngularSpringCoeffs
{
axis (0 0 1);
stiffness 700;
damping 0.5;
referenceOrientation $orientation;
}
}
}
value uniform (0 0 0);
}
front
{
type empty;
}
back
{
type empty;
}
".*"
{
type fixedValue;
value uniform (0 0 0);
}
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/constant/RASProperties Normal file
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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 dictionary;
location "constant";
object RASProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
RASModel kOmegaSST;
turbulence on;
printCoeffs on;
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/constant/dynamicMeshDict Normal file
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/*--------------------------------*- 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 motionProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dynamicFvMesh dynamicMotionSolverFvMesh;
motionSolverLibs ("libfvMotionSolvers.so");
solver displacementLaplacian;
diffusivity inverseDistance (wing);
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/constant/polyMesh/boundary Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class polyBoundaryMesh;
location "constant/polyMesh";
object boundary;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
6
(
topAndBottom
{
type patch;
nFaces 150;
startFace 76473;
}
inlet
{
type patch;
nFaces 48;
startFace 76623;
}
outlet
{
type patch;
nFaces 48;
startFace 76671;
}
front
{
type empty;
nFaces 38129;
startFace 76719;
}
back
{
type empty;
nFaces 38129;
startFace 114848;
}
wing
{
type wall;
nFaces 778;
startFace 152977;
}
)
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/constant/transportProperties Normal file
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/*--------------------------------*- 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 transportProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
transportModel Newtonian;
nu nu [0 2 -1 0 0 0 0] 1e-05;
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/constant/turbulenceProperties Normal file
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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 dictionary;
location "constant";
object turbulenceProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
simulationType RASModel;
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/system/controlDict Normal file
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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 dictionary;
location "system";
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
application pimpleDyMFoam;
startFrom latestTime;
startTime 0;
stopAt endTime;
endTime 1;
deltaT 1e-5;
writeControl adjustableRunTime;
writeInterval 5e-3;
purgeWrite 0;
writeFormat ascii;
writePrecision 10;
writeCompression off;
timeFormat general;
timePrecision 6;
runTimeModifiable true;
adjustTimeStep yes;
maxCo 0.9;
libs ("libforces.so");
functions
{
forces
{
type forces;
functionObjectLibs ( "libforces.so" );
outputControl timeStep;
outputInterval 10;
patches (wing);
pName p;
UName U;
rhoName rhoInf;
log true;
rhoInf 1;
CofR (0.25 0.007 0.125);
}
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/system/decomposeParDict Normal file
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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 dictionary;
location "system";
object decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
numberOfSubdomains 3;
method simple;
simpleCoeffs
{
n ( 1 3 1 );
delta 0.001;
}
hierarchicalCoeffs
{
n ( 3 2 1 );
delta 0.001;
order xyz;
}
manualCoeffs
{
dataFile "cellDecomposition";
}
metisCoeffs
{
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/system/fvSchemes Normal file
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/*--------------------------------*- 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;
}
gradSchemes
{
default Gauss linear;
grad(p) Gauss linear;
grad(U) Gauss linear;
}
divSchemes
{
default none;
div(phi,U) Gauss linearUpwind grad(U);
div(phi,k) Gauss limitedLinear 1;
div(phi,omega) Gauss limitedLinear 1;
div((nuEff*dev(grad(U).T()))) Gauss linear;
}
laplacianSchemes
{
default Gauss linear limited 0.5;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default corrected;
}
fluxRequired
{
default no;
p;
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_pimpleDyMFoam/system/fvSolution Normal file
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/*--------------------------------*- 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
{
p
{
solver GAMG;
tolerance 1e-7;
relTol 0.01;
smoother GaussSeidel;
nPreSweeps 0;
nPostSweeps 2;
cacheAgglomeration on;
agglomerator faceAreaPair;
nCellsInCoarsestLevel 10;
mergeLevels 1;
}
pFinal
{
solver GAMG;
tolerance 1e-7;
relTol 0;
smoother GaussSeidel;
nPreSweeps 0;
nPostSweeps 2;
cacheAgglomeration on;
agglomerator faceAreaPair;
nCellsInCoarsestLevel 10;
mergeLevels 1;
}
"(U|k|omega)"
{
solver PBiCG;
preconditioner DILU;
tolerance 1e-06;
relTol 0;
}
cellDisplacement
{
solver GAMG;
tolerance 1e-5;
relTol 0;
smoother GaussSeidel;
cacheAgglomeration true;
nCellsInCoarsestLevel 10;
agglomerator faceAreaPair;
mergeLevels 1;
}
}
PIMPLE
{
nOuterCorrectors 2;
nCorrectors 1;
nNonOrthogonalCorrectors 0;
}
relaxationFactors
{
p 0.3;
U 0.7;
k 0.7;
omega 0.7;
}
cache
{
grad(U);
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/U Normal file
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/*--------------------------------*- 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 volVectorField;
location "0";
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 1 -1 0 0 0 0];
internalField uniform $flowVelocity;
boundaryField
{
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue uniform (0 0 0);
value $internalField;
}
wing
{
type fixedValue;
value uniform (0 0 0);
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/include/fixedInlet Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.6 |
| \\ / A nd | Web: http://www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
inlet
{
type fixedValue;
value $internalField;
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/include/frontBackTopBottomPatches Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.6 |
| \\ / A nd | Web: http://www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
topAndBottom
{
type slip;
}
front
{
type empty
}
back
{
type empty;
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/include/initialConditions Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 1.6 |
| \\ / A nd | Web: http://www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
flowVelocity (100 0 0);
pressure 0;
turbulentKE 37;
turbulentOmega 32;
#inputMode merge
// ************************************************************************* //

44
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/k Normal file
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/*--------------------------------*- 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 volScalarField;
object k;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 2 -2 0 0 0 0];
internalField uniform $turbulentKE;
boundaryField
{
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue $internalField;
value $internalField;
}
wing
{
type kqRWallFunction;
value $internalField;
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

38
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/nut Normal file
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@ -0,0 +1,38 @@
/*--------------------------------*- 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 nut;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 2 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
wing
{
type nutkWallFunction;
value uniform 0;
}
"(front|back|topAndBottom|inlet|outlet)"
{
type calculated;
value uniform 0;
}
}
// ************************************************************************* //

44
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/omega Normal file
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@ -0,0 +1,44 @@
/*--------------------------------*- 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 volScalarField;
object epsilon;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 0 -1 0 0 0 0];
internalField uniform $turbulentOmega;
boundaryField
{
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue $internalField;
value $internalField;
}
wing
{
type omegaWallFunction;
value $internalField;
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

44
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/0/p Normal file
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/*--------------------------------*- 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 volScalarField;
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 2 -2 0 0 0 0];
internalField uniform $pressure;
boundaryField
{
inlet
{
type zeroGradient;
}
outlet
{
type fixedValue;
value $internalField;
}
wing
{
type zeroGradient;
}
#include "include/frontBackTopBottomPatches"
}
// ************************************************************************* //

25
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/constant/RASProperties Normal file
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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 dictionary;
location "constant";
object RASProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
RASModel kOmegaSST;
turbulence on;
printCoeffs on;
// ************************************************************************* //

47
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/constant/extrudeProperties Normal file
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/*--------------------------------*- 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 extrudeProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// What to extrude:
// patch : from patch of another case ('sourceCase')
constructFrom patch;
sourceCase "../wingFlutter_snappyHexMesh";
sourcePatches (front);
// If construct from patch: patch to use for back (can be same as sourcePatch)
exposedPatchName back;
// Flip surface normals before usage.
flipNormals false;
//- Linear extrusion in point-normal direction
extrudeModel linearNormal;
nLayers 1;
expansionRatio 1.0;
linearNormalCoeffs
{
thickness 0.05;
}
// Do front and back need to be merged? Usually only makes sense for 360
// degree wedges.
mergeFaces false;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

58
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/constant/polyMesh/boundary Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class polyBoundaryMesh;
location "constant/polyMesh";
object boundary;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
6
(
topAndBottom
{
type patch;
nFaces 150;
startFace 76473;
}
inlet
{
type patch;
nFaces 48;
startFace 76623;
}
outlet
{
type patch;
nFaces 48;
startFace 76671;
}
front
{
type empty;
nFaces 38129;
startFace 76719;
}
back
{
type empty;
nFaces 38129;
startFace 114848;
}
wing
{
type wall;
nFaces 778;
startFace 152977;
}
)
// ************************************************************************* //

22
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/constant/transportProperties Normal file
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@ -0,0 +1,22 @@
/*--------------------------------*- 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 transportProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
transportModel Newtonian;
nu nu [0 2 -1 0 0 0 0] 1e-05;
// ************************************************************************* //

67
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/system/controlDict Normal file
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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 dictionary;
location "system";
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
application simpleFoam;
startFrom latestTime;
startTime 0;
stopAt endTime;
endTime 3000;
deltaT 1;
writeControl runTime;
writeInterval 100;
purgeWrite 0;
writeFormat ascii;
writePrecision 6;
writeCompression off;
timeFormat general;
timePrecision 6;
runTimeModifiable true;
functions
{
forces
{
type forces;
functionObjectLibs ( "libforces.so" );
outputControl timeStep;
outputInterval 10;
patches (wing);
pName p;
UName U;
rhoName rhoInf;
log true;
rhoInf 1;
CofR (0.4974612746 -0.01671895744 0.125);
}
}
// ************************************************************************* //

49
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/system/createPatchDict Normal file
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@ -0,0 +1,49 @@
/*--------------------------------*- 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 createPatchDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Tolerance used in matching faces. Absolute tolerance is span of
// face times this factor. To load incorrectly matches meshes set this
// to a higher value.
matchTolerance 1E-3;
// Do a synchronisation of coupled points after creation of any patches.
// Note: this does not work with points that are on multiple coupled patches
// with transformations.
pointSync true;
// Patches to create.
patches
(
{
// Name of new patch
name wing;
// Type of new patch
patchInfo
{
type wall;
}
// How to construct: either from 'patches' or 'set'
constructFrom patches;
// If constructFrom = patches : names of patches. Wildcards allowed.
patches ( wing_5degrees.obj_WALL10 );
}
);
// ************************************************************************* //

59
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/system/fvSchemes Normal file
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/*--------------------------------*- 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 steadyState;
}
gradSchemes
{
default Gauss linear;
grad(p) Gauss linear;
grad(U) Gauss linear;
}
divSchemes
{
default none;
div(phi,U) Gauss linearUpwind grad(U);
div(phi,k) Gauss upwind;
div(phi,omega) Gauss upwind;
div((nuEff*dev(grad(U).T()))) Gauss linear;
}
laplacianSchemes
{
default Gauss linear corrected;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default corrected;
}
fluxRequired
{
default no;
p;
}
// ************************************************************************* //

79
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter2D_simpleFoam/system/fvSolution Normal file
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/*--------------------------------*- 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
{
p
{
solver GAMG;
tolerance 1e-7;
relTol 0.1;
smoother GaussSeidel;
nPreSweeps 0;
nPostSweeps 2;
cacheAgglomeration on;
agglomerator faceAreaPair;
nCellsInCoarsestLevel 10;
mergeLevels 1;
}
U
{
solver smoothSolver;
smoother GaussSeidel;
tolerance 1e-8;
relTol 0.1;
nSweeps 1;
}
k
{
solver smoothSolver;
smoother GaussSeidel;
tolerance 1e-8;
relTol 0.1;
nSweeps 1;
}
omega
{
solver smoothSolver;
smoother GaussSeidel;
tolerance 1e-8;
relTol 0.1;
nSweeps 1;
}
}
SIMPLE
{
nNonOrthogonalCorrectors 0;
}
relaxationFactors
{
p 0.3;
U 0.7;
k 0.7;
omega 0.7;
}
cache
{
grad(U);
}
// ************************************************************************* //

74
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/constant/polyMesh/blockMeshDict Normal file
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/*--------------------------------*- 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 blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
convertToMeters 1;
vertices
(
(-2.5 -4.8 -0.1)
( 10 -4.8 -0.1)
( 10 4.8 -0.1)
(-2.5 4.8 -0.1)
(-2.5 -4.8 0.1)
( 10 -4.8 0.1)
( 10 4.8 0.1)
(-2.5 4.8 0.1)
);
blocks
(
hex (0 1 2 3 4 5 6 7) (75 48 1) simpleGrading (1 1 1)
);
edges
(
);
patches
(
patch topAndBottom
(
(3 7 6 2)
(1 5 4 0)
)
patch inlet
(
(0 4 7 3)
)
patch outlet
(
(2 6 5 1)
)
empty front
(
(4 5 6 7)
)
empty back
(
(0 3 2 1)
)
);
mergePatchPairs
(
);
// ************************************************************************* //

58
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/constant/polyMesh/boundary Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class polyBoundaryMesh;
location "constant/polyMesh";
object boundary;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
6
(
topAndBottom
{
type patch;
nFaces 150;
startFace 2098769;
}
inlet
{
type patch;
nFaces 48;
startFace 2098919;
}
outlet
{
type patch;
nFaces 48;
startFace 2098967;
}
front
{
type empty;
nFaces 38129;
startFace 2099015;
}
back
{
type empty;
nFaces 38120;
startFace 2137144;
}
wing_5degrees.obj_WALL10
{
type wall;
nFaces 49792;
startFace 2175264;
}
)
// ************************************************************************* //

1054
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/constant/triSurface/wing_5degrees.obj Normal file
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50
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/system/controlDict Normal file
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@ -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 controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
application snappyHexMesh;
startFrom latestTime;
startTime 0;
stopAt endTime;
endTime 100;
deltaT 1;
writeControl runTime;
writeInterval 1;
purgeWrite 0;
writeFormat ascii;
writePrecision 6;
writeCompression off;
timeFormat general;
timePrecision 6;
runTimeModifiable true;
}
// ************************************************************************* //

45
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/system/decomposeParDict Normal file
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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 dictionary;
location "system";
object decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
numberOfSubdomains 3;
method simple;
simpleCoeffs
{
n ( 1 3 1 );
delta 0.001;
}
hierarchicalCoeffs
{
n ( 3 2 1 );
delta 0.001;
order xyz;
}
manualCoeffs
{
dataFile "cellDecomposition";
}
metisCoeffs
{
}
// ************************************************************************* //

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tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/system/fvSchemes Normal file
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@ -0,0 +1,70 @@
/*--------------------------------*- 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 fvSchemes;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
ddtSchemes
{
default Euler;
}
gradSchemes
{
default Gauss linear;
}
divSchemes
{
default none;
div(phi,U) Gauss limitedLinearV 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(phiU,p) Gauss limitedLinear 1;
div(phi,e) Gauss limitedLinear 1;
div((muEff*dev2(grad(U).T()))) 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((rho*(1|A(U))),p) Gauss linear limited 0.5;
laplacian(alphaEff,e) Gauss linear limited 0.5;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default corrected;
}
fluxRequired
{
default no;
p;
}
// ************************************************************************* //

51
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/system/fvSolution Normal file
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@ -0,0 +1,51 @@
/*--------------------------------*- 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 fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
{
p
{
solver PBiCG;
preconditioner DILU;
tolerance 1e-12;
relTol 0;
}
rho
{
solver PCG;
preconditioner DIC;
tolerance 1e-08;
relTol 0;
}
"(U|e|k|epsilon|R)"
{
$p;
tolerance 1e-08;
relTol 0;
}
}
PISO
{
nCorrectors 2;
nNonOrthogonalCorrectors 2;
}
// ************************************************************************* //

326
tutorials/incompressible/pimpleDyMFoam/wingFlutter/wingFlutter_snappyHexMesh/system/snappyHexMeshDict Normal file
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@ -0,0 +1,326 @@
/*--------------------------------*- 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
{
wing_5degrees.obj
{
type triSurfaceMesh;
}
refinementBox
{
type searchableBox;
min (-1 -1 -1);
max ( 5 1 1);
}
};
// Settings for the castellatedMesh generation.
castellatedMeshControls
{
// Refinement parameters
// ~~~~~~~~~~~~~~~~~~~~~
// If local number of cells is >= maxLocalCells on any processor
// switches from from refinement followed by balancing
// (current method) to (weighted) balancing before refinement.
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 100;
// Number of buffer layers between different levels.
// 1 means normal 2:1 refinement restriction, larger means slower
// refinement.
nCellsBetweenLevels 6;
// 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 ();
// 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
{
wing_5degrees.obj
{
// Surface-wise min and max refinement level
level (6 6);
}
}
// Resolve sharp angles on fridges
resolveFeatureAngle 30;
// 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
{
refinementBox
{
mode inside;
levels ((1e15 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 (-0.5 0 0);
// Whether any faceZones (as specified in the refinementSurfaces)
// are only on the boundary of corresponding cellZones or also allow
// free-standing zone faces. Not used if there are no faceZones.
allowFreeStandingZoneFaces true;
}
// 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
{
"wing.*"
{
nSurfaceLayers 3;
}
}
// Expansion factor for layer mesh
expansionRatio 1.3;
//- 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.
// is the thickness of the layer furthest away from the wall.
// See relativeSizes parameter.
finalLayerThickness 0.7;
//- 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.
// See relativeSizes parameter.
minThickness 0.25;
//- 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 0;
// Advanced settings
//- When not to extrude surface. 0 is flat surface, 90 is when two faces
// make straight angle.
featureAngle 60;
//- Maximum number of snapping relaxation iterations. Should stop
// before upon reaching a correct mesh.
nRelaxIter 5;
// 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
// Note: changed(corrected) w.r.t 16x! 90 degrees corresponds to 130 in 16x.
minMedianAxisAngle 90;
// 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;
}
// 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 pyramid volume. Is absolute volume of cell pyramid.
// Set to a sensible fraction of the smallest cell volume expected.
// Set to very negative number (e.g. -1E30) to disable.
minVol 1e-13;
//- Minimum tet volume. Is absolute volume of the tet formed by the
// face-centre decomposition triangle and the cell centre.
// Set to a sensible fraction of the smallest cell volume expected.
// Set to very negative number (e.g. -1E30) to disable.
minTetVol 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 0.05;
//- minimum normalised cell determinant
//- 1 = hex, <= 0 = folded or flattened illegal cell
minDeterminant 0.001;
//- minFaceWeight (0 -> 0.5)
minFaceWeight 0.05;
//- 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;
// ************************************************************************* //