On Thu, Nov 18, 2010 at 1:36 AM, Mubashir Ali <[email protected]> wrote:
> > Hello All, > > I have a 3D lid driven cavity data in ensight format. I did laminar > unsteady state simulation with a Finite volume code named Code Saturne. > > I wish to calculate divergence of velocity vector i.e. DEL U = 0 > > Does anyone have an idea how to do it. Your suggestions would be surely of > great help for me. > > Kind Regards > > Mubashir Ali > In VTK there is a vtkImageDivergence filter: http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/ImageDivergence <http://www.vtk.org/Wiki/VTK/Examples/Cxx/Images/ImageDivergence>It doesn't look like there is an interface to this in Paraview. You can write one - it is actually quite easy: http://www.paraview.org/Wiki/Plugin_HowTo#Adding_a_new_VTK_filter David
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