VCG - Vortex Criteria

Description

The VortexCriteria filter computes vortex criteria from point (node) velocity data. This filter operates on unstructured grid data and produces unstructured grid data.

Details

Analyzes the vorticity

Input

vtkUnstructuredGrid

Output

None

Parameters

Name
Description
 Values/Default
Quantity The vortex criterion quantity to compute.
  • abs helicity
  • velo-norm helicity
  • vorticity mag
  • z vorticity
  • lambda2
  • Q
  • delta
  • div accel
  • divergence
SmoothingRange Neighborhood range for gradient computation, larger values cause more smoothing. 1

Installation Instructions

Authors

Filip Sadlo

Acknowledgements