Merge remote-tracking branch 'origin/develop' into develop

This commit is contained in:
Mark Olesen
2018-11-27 16:59:08 +01:00
47 changed files with 926746 additions and 128 deletions

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ 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
{
#includeEtc "caseDicts/setConstraintTypes"
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue uniform (0 0 0);
value $internalField;
}
lowerWall
{
type fixedValue;
value $internalField;
}
motorBikeGroup
{
type noSlip;
}
#include "include/frontBackUpperPatches"
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
inlet
{
type fixedValue;
value $internalField;
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
upperWall
{
type slip;
}
frontAndBack
{
type slip;
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
flowVelocity (20 0 0);
pressure 0;
turbulentKE 0.24;
turbulentOmega 1.78;
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ 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
{
#includeEtc "caseDicts/setConstraintTypes"
//- Define inlet conditions
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue $internalField;
value $internalField;
}
lowerWall
{
type kqRWallFunction;
value $internalField;
}
motorBikeGroup
{
type kqRWallFunction;
value $internalField;
}
#include "include/frontBackUpperPatches"
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ 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
{
#includeEtc "caseDicts/setConstraintTypes"
frontAndBack
{
type calculated;
value uniform 0;
}
inlet
{
type calculated;
value uniform 0;
}
outlet
{
type calculated;
value uniform 0;
}
lowerWall
{
type nutkWallFunction;
value uniform 0;
}
upperWall
{
type calculated;
value uniform 0;
}
motorBikeGroup
{
type nutkWallFunction;
value uniform 0;
}
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object omega;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/initialConditions"
dimensions [0 0 -1 0 0 0 0];
internalField uniform $turbulentOmega;
boundaryField
{
#includeEtc "caseDicts/setConstraintTypes"
#include "include/fixedInlet"
outlet
{
type inletOutlet;
inletValue $internalField;
value $internalField;
}
lowerWall
{
type omegaWallFunction;
value $internalField;
}
motorBikeGroup
{
type omegaWallFunction;
value $internalField;
}
#include "include/frontBackUpperPatches"
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ 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
{
#includeEtc "caseDicts/setConstraintTypes"
inlet
{
type zeroGradient;
}
outlet
{
type fixedValue;
value $internalField;
}
lowerWall
{
type zeroGradient;
}
motorBikeGroup
{
type zeroGradient;
}
#include "include/frontBackUpperPatches"
}
// ************************************************************************* //

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#!/bin/sh
cd ${0%/*} || exit 1 # Run from this directory
. $WM_PROJECT_DIR/bin/tools/CleanFunctions # Tutorial clean functions
cleanCase0
# Remove surface and features
rm -f constant/triSurface/*.eMesh > /dev/null 2>&1
rm -rf constant/extendedFeatureEdgeMesh > /dev/null 2>&1
#------------------------------------------------------------------------------

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#!/bin/sh
cd ${0%/*} || exit 1 # Run from this directory
. $WM_PROJECT_DIR/bin/tools/RunFunctions # Tutorial run functions
# Alternative decomposeParDict name:
decompDict="-decomposeParDict system/decomposeParDict.6"
## Standard decomposeParDict name:
# unset decompDict
runApplication surfaceFeatureExtract
runApplication blockMesh
runApplication $decompDict decomposePar
# Using distributedTriSurfaceMesh?
if foamDictionary -entry geometry -value system/snappyHexMeshDict | \
grep -q distributedTriSurfaceMesh
then
runParallel $decompDict surfaceRedistributePar motorBike.obj independent
fi
runParallel $decompDict snappyHexMesh -overwrite
runParallel $decompDict checkMesh -writeFields '(nonOrthoAngle)' -constant
#------------------------------------------------------------------------------

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object transportProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
transportModel Newtonian;
nu 1.5e-05;
// ************************************************************************* //

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Directory to house tri-surfaces
The Allrun script copies the surface from the $FOAM_TUTORIALS/resources/geometry
directory

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# Wavefront OBJ file written 2018-08-03T14:33:08
o bag_open
# points : 42
# faces : 78
# zones : 1
# 0 bag (nFaces: 78)
# <points count="42">
v 0.731382 -0.184759 1.21724
v 0.730354 0.179212 1.2226
v 0.763861 -0.186029 1.30968
v 0.762833 0.177942 1.31504
v 0.767511 -0.186152 1.31877
v 0.768041 -0.186168 1.31992
v 0.766482 0.177819 1.32413
v 0.773217 -0.186297 1.3297
v 0.772189 0.177674 1.33506
v 0.779326 -0.186416 1.33893
v 0.778297 0.177555 1.34429
v 1.11457 -0.181694 1.08265
v 1.11354 0.182278 1.08801
v 0.7863 -0.186523 1.34752
v 0.785272 0.177448 1.35288
v 0.794069 -0.186617 1.35537
v 0.79304 0.177355 1.36073
v 0.802557 -0.186696 1.36242
v 0.801529 0.177275 1.36778
v 0.811685 -0.186762 1.3686
v 0.810657 0.17721 1.37396
v 0.821369 -0.186812 1.37385
v 0.820341 0.17716 1.37921
v 0.831521 -0.186846 1.37812
v 0.830492 0.177126 1.38348
v 0.842048 -0.186864 1.38138
v 0.841019 0.177107 1.38674
v 0.852854 -0.186866 1.38359
v 0.851825 0.177105 1.38895
v 0.863837 -0.186852 1.38474
v 0.862809 0.177119 1.3901
v 0.874894 -0.186822 1.38481
v 0.873866 0.177149 1.39017
v 0.885914 -0.186776 1.3838
v 0.884886 0.177195 1.38916
v 0.898014 -0.186706 1.38141
v 0.895756 0.177257 1.38708
v 0.907386 -0.186638 1.37858
v 0.896986 0.177265 1.38677
v 0.906357 0.177333 1.38394
v 1.18436 -0.184423 1.2813
v 1.18333 0.179549 1.28666
# </points>
# <faces count="78">
g bag
f 2 1 4
f 4 1 3
f 3 5 4
f 4 5 7
f 7 5 6
f 9 6 8
f 10 9 8
f 10 11 9
f 10 14 11
f 11 14 15
f 15 14 16
f 17 16 18
f 19 18 20
f 21 20 22
f 23 22 24
f 25 24 26
f 27 26 28
f 29 28 30
f 31 30 32
f 33 32 34
f 35 34 37
f 35 33 34
f 34 36 37
f 37 36 39
f 39 36 38
f 40 39 38
f 33 31 32
f 31 29 30
f 29 27 28
f 27 25 26
f 25 23 24
f 23 21 22
f 21 19 20
f 19 17 18
f 17 15 16
f 9 7 6
f 13 2 40
f 42 13 40
f 7 9 4
f 4 9 11
f 40 11 33
f 35 40 33
f 35 37 40
f 40 37 39
f 11 15 33
f 33 15 31
f 31 15 17
f 29 17 19
f 27 19 21
f 25 21 23
f 25 27 21
f 27 29 19
f 29 31 17
f 2 4 40
f 40 4 11
f 41 38 12
f 12 38 1
f 1 38 3
f 3 38 10
f 8 3 10
f 8 6 3
f 3 6 5
f 36 34 38
f 38 34 32
f 10 32 14
f 10 38 32
f 32 30 14
f 14 30 16
f 16 30 28
f 18 28 26
f 20 26 24
f 22 20 24
f 20 18 26
f 18 16 28
f 42 40 41
f 41 40 38
f 41 12 42
f 42 12 13
# </faces>

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object turbulenceProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
simulationType RAS;
RAS
{
RASModel kOmegaSST;
turbulence on;
printCoeffs on;
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
scale 1;
vertices
(
(-5 -4 0)
(15 -4 0)
(15 4 0)
(-5 4 0)
(-5 -4 8)
(15 -4 8)
(15 4 8)
(-5 4 8)
);
blocks
(
hex (0 1 2 3 4 5 6 7) (20 8 8) simpleGrading (1 1 1)
);
edges
(
);
boundary
(
frontAndBack
{
type patch;
faces
(
(3 7 6 2)
(1 5 4 0)
);
}
inlet
{
type patch;
faces
(
(0 4 7 3)
);
}
outlet
{
type patch;
faces
(
(2 6 5 1)
);
}
lowerWall
{
type patch; //wall;
faces
(
(0 3 2 1)
);
}
upperWall
{
type patch;
faces
(
(4 5 6 7)
);
}
);
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Where to load it from (if not already in solver)
libs ("libfieldFunctionObjects.so");
DebugSwitches
{
//shortestPath 1;
}
application simpleFoam;
startFrom startTime;
startTime 0;
stopAt endTime;
endTime 500;
deltaT 1;
writeControl timeStep;
writeInterval 100;
purgeWrite 0;
writeFormat binary;
writePrecision 6;
writeCompression off;
timeFormat general;
timePrecision 6;
runTimeModifiable true;
functions
{
processorField
{
// Type of functionObject
type processorField;
// Where to load it from (if not already in solver)
libs ("libfieldFunctionObjects.so");
// Function object enabled flag
enabled true;
// When to output the average fields
//writeControl writeTime;
}
leakFind
{
type sets;
writeControl timeStep;
interpolationScheme cell;
setFormat vtk;
sets
(
leakFind
{
type shortestPath;
insidePoints ((3.0001 3.0001 0.43));
outsidePoints ((1 0 1.3));
axis xyz;
}
);
// Needs at least one field
fields ( processorID );
}
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
cuttingPlane
{
type surfaces;
libs ("libsampling.so");
writeControl writeTime;
surfaceFormat vtk;
fields ( p U );
interpolationScheme cellPoint;
surfaces
(
yNormal
{
type cuttingPlane;
planeType pointAndNormal;
pointAndNormalDict
{
point (0 0 0);
normal (0 1 0);
}
interpolate true;
}
);
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
numberOfSubdomains 6;
method hierarchical;
// method ptscotch;
coeffs
{
n (3 2 1);
//delta 0.001; // default=0.001
//order xyz; // default=xzy
dataFile "cellDecomposition";
}
// ************************************************************************* //

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// -*- C++ -*-
// Minimal example of using the ensight write function object.
// Many more options possible
ensightWrite
{
type ensightWrite;
libs ("libutilityFunctionObjects.so");
log true;
// Fields to output (words or regex)
fields (U p "(k|epsilon|omega)");
writeControl writeTime;
writeInterval 1;
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
forceCoeffs1
{
type forceCoeffs;
libs ("libforces.so");
writeControl timeStep;
timeInterval 1;
log yes;
patches (motorBikeGroup);
rho rhoInf; // Indicates incompressible
rhoInf 1; // Redundant for incompressible
liftDir (0 0 1);
dragDir (1 0 0);
CofR (0.72 0 0); // Axle midpoint on ground
pitchAxis (0 1 0);
magUInf 20;
lRef 1.42; // Wheelbase length
Aref 0.75; // Estimated
/*
binData
{
nBin 20; // output data into 20 bins
direction (1 0 0); // bin direction
cumulative yes;
}
*/
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object fvSchemes;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
ddtSchemes
{
default steadyState;
}
gradSchemes
{
default Gauss linear;
grad(U) cellLimited Gauss linear 1;
}
divSchemes
{
default none;
div(phi,U) bounded Gauss linearUpwindV grad(U);
div(phi,k) bounded Gauss upwind;
div(phi,omega) bounded Gauss upwind;
div((nuEff*dev2(T(grad(U))))) Gauss linear;
}
laplacianSchemes
{
default Gauss linear corrected;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default corrected;
}
wallDist
{
method meshWave;
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
{
p
{
solver GAMG;
smoother GaussSeidel;
tolerance 1e-7;
relTol 0.01;
}
Phi
{
$p;
}
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;
consistent yes;
}
potentialFlow
{
nNonOrthogonalCorrectors 10;
}
relaxationFactors
{
equations
{
U 0.9;
k 0.7;
omega 0.7;
}
}
cache
{
grad(U);
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object meshQualityDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Include defaults parameters from master dictionary
#includeEtc "caseDicts/meshQualityDict"
//- minFaceWeight (0 -> 0.5)
minFaceWeight 0.02;
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ 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
{
//motorBike-wo-visor.obj
motorBike-wo-visor-w-deletedElementsOnBack.obj
{
type triSurfaceMesh;
name motorBike;
}
bag_open.obj
{
type triSurfaceMesh;
name motorBike_bag;
}
refinementBox
{
type searchableBox;
min (-1.0 -0.7 0.0);
max ( 8.0 0.7 2.5);
}
};
// 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 100000;
// 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;
// Allow a certain level of imbalance during refining
// (since balancing is quite expensive)
// Expressed as fraction of perfect balance (= overall number of cells /
// nProcs). 0=balance always.
maxLoadUnbalance 0.10;
// Number of buffer layers between different levels.
// 1 means normal 2:1 refinement restriction, larger means slower
// refinement.
nCellsBetweenLevels 3;
// 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 "motorBike-wo-visor.eMesh";
level 6;
}
);
// 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
{
"motorBike.*"
{
// Surface-wise min and max refinement level
level (5 6);
// Optional specification of patch type (default is wall). No
// constraint types (cyclic, symmetry) etc. are allowed.
patchInfo
{
type wall;
inGroups (motorBikeGroup);
}
}
}
// Resolve sharp angles
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 4));
}
}
// 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 (3.0001 3.0001 0.43);
locationsOutsideMesh ((1 0 1.3));
// 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 2.0;
//- Number of mesh displacement relaxation iterations.
nSolveIter 30;
//- Maximum number of snapping relaxation iterations. Should stop
// before upon reaching a correct mesh.
nRelaxIter 5;
// Feature snapping
//- Number of feature edge snapping iterations.
// Leave out altogether to disable.
nFeatureSnapIter 10;
//- Detect (geometric only) features by sampling the surface
// (default=false).
implicitFeatureSnap false;
//- Use castellatedMeshControls::features (default = true)
explicitFeatureSnap true;
//- Detect points on multiple surfaces (only for explicitFeatureSnap)
multiRegionFeatureSnap false;
}
// 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
{
"(lowerWall|motorBike).*"
{
nSurfaceLayers 1;
}
}
// 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.
// See relativeSizes parameter.
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.
// Note: changed(corrected) w.r.t 1.7.x! (didn't do anything in 1.7.x)
nGrow 0;
// Advanced settings
// When not to extrude surface. 0 is flat surface, 90 is when two faces
// are perpendicular
featureAngle 60;
// At non-patched sides allow mesh to slip if extrusion direction makes
// angle larger than slipFeatureAngle.
slipFeatureAngle 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
// Note: changed(corrected) w.r.t 1.7.x! 90 degrees corresponds to 130
// in 1.7.x.
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
{
#include "meshQualityDict"
// Advanced
//- Number of error distribution iterations
nSmoothScale 4;
//- Amount to scale back displacement at error points
errorReduction 0.75;
}
// Advanced
// Format to use for lines (e.g. leak path)
setFormat nastran;
// Write flags
writeFlags
(
scalarLevels
layerSets
layerFields // write volScalarField for layer coverage
);
// Merge tolerance. Is fraction of overall bounding box of initial mesh.
// Note: the write tolerance needs to be higher than this.
mergeTolerance 1e-6;
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
streamLines
{
// Where to load it from
libs ("libfieldFunctionObjects.so");
type streamLine;
// Output every
writeControl writeTime;
// writeInterval 10;
setFormat vtk; //gnuplot; //xmgr; //raw; //jplot; //csv; //ensight;
// Tracked forwards (+U) or backwards (-U)
trackForward true;
// Names of fields to sample. Should contain above velocity field!
fields (p U k);
// Steps particles can travel before being removed
lifeTime 10000;
//- Specify either absolute length of steps (trackLength) or a number
// of subcycling steps per cell (nSubCycle)
// Size of single track segment [m]
//trackLength 1e-3;
// Number of steps per cell (estimate). Set to 1 to disable subcycling.
nSubCycle 5;
// Cloud name to use
cloud particleTracks;
// Seeding method.
seedSampleSet
{
type uniform;
axis x; //distance;
// Note: tracks slightly offset so as not to be on a face
start (-1.001 -0.05 0.0011);
end (-1.001 -0.05 1.0011);
nPoints 20;
}
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object surfaceFeatureExtractDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
motorBike-wo-visor.obj
{
// How to obtain raw features (extractFromFile || extractFromSurface)
extractionMethod extractFromSurface;
// Mark edges whose adjacent surface normals are at an angle less
// than includedAngle as features
// - 0 : selects no edges
// - 180: selects all edges
includedAngle 150;
subsetFeatures
{
// Keep nonManifold edges (edges with >2 connected faces)
nonManifoldEdges no;
// Keep open edges (edges with 1 connected face)
openEdges yes;
}
// Write options
// Write features to obj format for postprocessing
writeObj yes;
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1806 |
| \\ / A nd | Web: www.OpenFOAM.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
// Interpolate U to create near-wall UNear
near
{
// Where to load it from
libs ("libfieldFunctionObjects.so");
type nearWallFields;
// Output every
writeControl writeTime;
// Calculate every
executeControl writeTime;
// Fields to be sampled. Per field original name and mapped field to
// create.
// Note: fields only get updated when writing!
fields
(
(U UNear)
);
// Patches/groups to sample (regular expressions)
patches (motorBikeGroup);
// Distance to sample
distance 0.001;
}
// Use UNear to track along wall
wallBoundedStreamLines
{
// Where to load it from (if not already in solver)
libs ("libfieldFunctionObjects.so");
type wallBoundedStreamLine;
// Output every
writeControl writeTime;
setFormat vtk; //gnuplot; //xmgr; //raw; //jplot;
// Velocity field to use for tracking.
U UNear;
// Interpolation method. Default is cellPoint.
// interpolationScheme pointMVC;
// Tracked forwards (+U) or backwards (-U)
trackForward true;
interpolationScheme cellPoint;
// Names of fields to sample. Should contain above velocity field!
fields (p U k UNear);
// Steps particles can travel before being removed
lifeTime 100;
// Cloud name to use
cloud wallBoundedParticleTracks;
// Seeding method.
seedSampleSet
{
type patchSeed;
uniformCoeffs
{
axis x; //distance;
start (0.0035 0.0999 0.0001);
end (0.0035 0.0999 0.0099);
nPoints 20;
}
cloudCoeffs
{
axis x; //distance;
points ((0.351516548679288 -0.0116085375585099 1.24));
}
patchSeedCoeffs
{
patches (motorBikeGroup);
axis x; //distance;
maxPoints 20000;
}
}
}
// ************************************************************************* //