f16f3da645
- barycentric coordinates in interpolation (instead of x/y/z) - ease U (velocity) requirement. Needn't be named in the sampled fields. - default tracking direction is 'forward'
96 lines
2.6 KiB
C++
96 lines
2.6 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: v2206 |
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| \\ / A nd | Website: www.openfoam.com |
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| \\/ M anipulation | |
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\*---------------------------------------------------------------------------*/
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// Interpolate U to create near-wall UNear
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near
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{
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type nearWallFields;
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libs (fieldFunctionObjects);
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// Output every
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writeControl writeTime;
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// Calculate every
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executeControl writeTime;
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// Fields to be sampled. Per field original name and mapped field to
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// create.
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// Note: fields only get updated when writing!
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fields
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(
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(U UNear)
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);
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// Patches/groups to sample (regular expressions)
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patches (motorBikeGroup);
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// Distance to sample
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distance 0.001;
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}
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// Use UNear to track along wall
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wallBoundedStreamLines
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{
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type wallBoundedStreamLine;
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libs (fieldFunctionObjects);
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U UNear; // Velocity field for tracking
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fields (p U k UNear); // Fields to sample
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setFormat vtk;
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direction forward;
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lifeTime 100; // Steps particles can travel before being removed
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cloud wallBoundedParticleTracks;
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seedSampleSet
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{
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type patchSeed;
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uniformCoeffs
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{
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axis x; //distance;
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start (0.0035 0.0999 0.0001);
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end (0.0035 0.0999 0.0099);
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nPoints 20;
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}
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cloudCoeffs
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{
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axis x; //distance;
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points ((0.351516548679288 -0.0116085375585099 1.24));
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}
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patchSeedCoeffs
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{
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patches (motorBikeGroup);
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axis x; //distance;
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maxPoints 20000;
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}
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}
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// Optional entries
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// bounds (0.2 -10 -10)(0.22 10 10);
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// trackLength 1e-3;
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// nSubCycle 1;
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interpolationScheme cellPoint;
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// Optional (inherited) entries
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region region0;
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enabled true;
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log true;
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timeStart 0;
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timeEnd 1000;
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executeControl timeStep;
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executeInterval 1;
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writeControl writeTime;
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writeInterval -1;
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}
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// ************************************************************************* //
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