openfoam/tutorials/mesh/snappyHexMesh/motorBike_leakDetection/system/wallBoundedStreamLines
2019-06-25 11:51:19 +01:00

101 lines
2.6 KiB
C++

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1906 |
| \\ / 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;
}
}
}
// ************************************************************************* //