[Paraview] stress tensors

[Berk Geveci]

I am not sure what the right thing to do is. So far, I am planning on
not distributing numpy with the binaries but include python.

-berk

On Mon, Apr 14, 2008 at 1:14 PM, Robert Maynard
<robertjmaynard at gmail.com> wrote:
> Sorry to derail the conversation, but is the numpy going to be bundled with
> paraview ( does this mean python will come with paraview too) or is it just
> going to be that if you have numpy currently installed, it will be imported?
>
>
>
>
> > I don't think any of the tensor specific VTK algorithms are enabled by
> > default in ParaView. Maybe there are some that wrote plugins out
> > there. vtkTensorGlyph is probably a good starting point. Also, you can
> > use the array calculator and the python programmable filter to
> > calculate derived quantities. In the next version of ParaView, there
> > will be support for calling numpy from the programmable filter. That
> > would make it pretty easy to calculate some of the derived variables
> > you are interested in.
> >
> > -berk
> >
> >
> > On Mon, Apr 14, 2008 at 12:47 PM, Gertjan van Zwieten
> > <gertjanvanzwieten at gmail.com> wrote:
> >
> >
> > > Hi all. I am new to paraview, and playing around a bit to see if it
> > >  fits my needs. It looks good but I can use some help.
> > >
> > >  I have created a simple structured_grid vtk datafile, with deformation
> > >  vectors as point_data and 3x3 stress tensors as cell_data. The
> > >  deformation I can visualize by either coloring or a warp filter. But
> > >  how to visualize the stress tensor? I can not find any tensor related
> > >  options / filters - for instance, a way to compute maximum principle
> > >  stresses (largest eigenvalue) or surface traction (stress times
> > >  normal). What would be perfect is to make a clip or slice and
> > >  visualize the traction at that plane as glyphs. Is something like that
> > >  possible?
> > >
> > >  In the list archives I found a similar question [1] that was answered
> > >  as "Everything you want to do (and more) to display finite element
> > >  structural analysis results is available in ParaView." - without
> > >  further explanation. Could someone please point me in the direction?
> > >
> > >  Gertjan
> > >
> > >  [1] http://www.paraview.org/pipermail/paraview/2005-March/001261.html
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