90 lines
3.3 KiB
C++
90 lines
3.3 KiB
C++
/*--------------------------------*- C++ -*----------------------------------*\
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| ========= | |
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| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
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| \\ / O peration | Version: v1806 |
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| \\ / A nd | Web: www.OpenFOAM.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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version 2.0;
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format ascii;
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class dictionary;
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object collapseDict;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// If on, after collapsing check the quality of the mesh. If bad faces are
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// generated then redo the collapsing with stricter filtering.
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controlMeshQuality off;
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collapseEdgesCoeffs
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{
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// Edges shorter than this absolute value will be merged
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minimumEdgeLength 0.0011;
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// The maximum angle between two edges that share a point attached to
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// no other edges
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maximumMergeAngle 30;
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}
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//collapseFacesCoeffs
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//{
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// // The initial face length factor
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// initialFaceLengthFactor 0.5;
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//
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// // If the face can't be collapsed to an edge, and it has a span less than
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// // the target face length multiplied by this coefficient, collapse it
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// // to a point.
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// maxCollapseFaceToPointSideLengthCoeff 0.3;
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//
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// // Allow early collapse of edges to a point
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// allowEarlyCollapseToPoint on;
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//
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// // Fraction to premultiply maxCollapseFaceToPointSideLengthCoeff by if
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// // allowEarlyCollapseToPoint is enabled
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// allowEarlyCollapseCoeff 0.2;
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//
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// // Defining how close to the midpoint (M) of the projected
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// // vertices line a projected vertex (X) can be before making this
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// // an invalid edge collapse
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// //
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// // X---X-g----------------M----X-----------g----X--X
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// //
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// // Only allow a collapse if all projected vertices are outwith
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// // guardFraction (g) of the distance form the face centre to the
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// // furthest vertex in the considered direction
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// guardFraction 0.1;
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//}
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//
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//
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//controlMeshQualityCoeffs
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//{
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// // Name of the dictionary that has the mesh quality coefficients used
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// // by motionSmoother::checkMesh
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// #include "meshQualityDict";
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//
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// // The amount that minimumEdgeLength will be reduced by for each
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// // edge if that edge's collapse generates a poor quality face
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// edgeReductionFactor 0.5;
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//
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// // The amount that initialFaceLengthFactor will be reduced by for each
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// // face if its collapse generates a poor quality face
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// faceReductionFactor $initialFaceLengthFactor;
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//
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// // Maximum number of smoothing iterations for the reductionFactors
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// maximumSmoothingIterations 2;
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//
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// // Maximum number of outer iterations is mesh quality checking is enabled
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// maximumIterations 10;
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//
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// // Maximum number of iterations deletion of a point can cause a bad face
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// // to be constructed before it is forced to not be deleted
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// maxPointErrorCount 5;
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//}
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// ************************************************************************* //
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