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|
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 4.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object foamyQuadMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
geometry
{
opencfd_text.stl
{
name letters;
type closedTriSurfaceMesh;
}
opencfd_box.stl
{
name box;
type closedTriSurfaceMesh;
regions
{
back
{
name back;
}
front
{
name front;
}
bottom
{
name bottom;
}
top
{
name top;
}
inlet
{
name inlet;
}
outlet
{
name outlet;
}
}
}
}
surfaceConformation
{
// The z-coordinate of the plane is taken from here.
locationInMesh (0 0 0);
pointPairDistanceCoeff 0.1;
minEdgeLenCoeff 0.1;
maxNotchLenCoeff 1.0;
minNearPointDistCoeff 0.1;
maxQuadAngle 120;
// Insert near-boundary point mirror or point-pairs
insertSurfaceNearestPointPairs yes;
// Mirror near-boundary points rather than insert point-pairs
mirrorPoints no;
// Insert point-pairs vor dual-cell vertices very near the surface
insertSurfaceNearPointPairs yes;
// Maximum number of iterations used in boundaryConform.
maxBoundaryConformingIter 5;
geometryToConformTo
{
letters
{
featureMethod extendedFeatureEdgeMesh;
extendedFeatureEdgeMesh "opencfd_text.extendedFeatureEdgeMesh";
}
box
{
featureMethod extendedFeatureEdgeMesh;
extendedFeatureEdgeMesh "opencfd_box.extendedFeatureEdgeMesh";
}
}
additionalFeatures
{}
// Choose if to randomise the initial grid created by insertGrid.
randomiseInitialGrid yes;
// Perturbation fraction, 1 = cell-size.
randomPerturbation 0.1;
}
motionControl
{
// This is a tolerance for determining whether to deal with surface
// protrusions or not.
minCellSize 0.02;
// Assign a priority to all requests for cell sizes, the highest overrules.
defaultPriority 0;
shapeControlFunctions
{
letters
{
type searchableSurfaceControl;
priority 1;
mode inside;
cellSizeFunction uniform;
linearDistanceCoeffs
{
distanceCellSizeCoeff 1;
distanceCoeff 50;
}
uniformCoeffs
{}
surfaceCellSizeFunction uniformValue;
uniformValueCoeffs
{
surfaceCellSizeCoeff 1;
}
}
}
relaxationModel adaptiveLinear;
adaptiveLinearCoeffs
{
relaxationStart 0.5;
relaxationEnd 0.0;
}
objOutput no;
meshedSurfaceOutput yes;
// Near-wall region where cells are aligned with the wall specified as a
// number of cell layers
nearWallAlignedDist 3;
}
shortEdgeFilter
{
// Factor to multiply the average of a face's edge lengths by.
// If an edge of that face is smaller than that value then delete it.
shortEdgeFilterFactor 0.2;
// Weighting for the lengths of edges that are attached to the boundaries.
// Used when calculating the length of an edge. Default 2.0.
edgeAttachedToBoundaryFactor 2.0;
}
extrusion
{
extrude off;
#include "extrude2DMeshDict"
}
// ************************************************************************* //
|
