openfoam/tutorials/incompressible/simpleFoam/motorBike/system/streamLines
Mark Olesen f16f3da645 ENH: streamline improvements
- 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'
2022-07-08 11:13:00 +02:00

56 lines
1.6 KiB
C++

/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v2206 |
| \\ / A nd | Website: www.openfoam.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
streamLines
{
type streamLine;
libs (fieldFunctionObjects);
// Output every
writeControl writeTime;
// writeInterval 10;
setFormat vtk;
// Tracking direction (forward | backward | bidirectional)
direction forward;
// Fields to sample
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;
}
}
// ************************************************************************* //