Overall, it looks good. Are you getting unexpected results? Also, if you want more accuracy, you can skip point to cell and write a Python filter that iterates over cells and performs its own integration. This would also allow you to do all components at once.
-berk On Fri, Oct 16, 2009 at 9:10 AM, Renato Elias <[email protected]> wrote: > Folks, > > I'm trying to integrate hydrodynamic forces on an immersed body. Point > velocity and pressure fields come from a FEM solver. Ok, for this purpose, > I'll need: > > a). The body's surface > b). Stress tensor (computed as cell data) > c). Body cell normals > > Here goes the pipeline I'm trying to use: > > 1. Load the volume data > 2. Clean to grid (to remove parallel interfaces among mesh partitions) > 3. Compute Derivatives (output tensor type = strain) > 4. Extract Surface > 5. Generate Surface Normals > 6. Point Data to Cell data (to convert point pressure in cell pressure) > 7. Clip (to get only the body where I'd like to compute the forces) > 8. from 7: Calculator (sigxx = -pressure+2*mu*Strain_0) > > repeate step 8 for other components > > Questions are: > > -- Does it make sense? I'm asking it because I have some doubts about the > output of some of the filters I'm using (mainly steps 3 and 5) > > -- Is there a more straightforward way to do the same thing? > > Thanks for any help > > -- > Renato N. Elias > =================================== > High Performance Computing Center (NACAD) > Federal University of Rio de Janeiro (UFRJ) > Rio de Janeiro, Brazil > > Sent from Rio De Janeiro, RJ, Brazil > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/mailman/listinfo/paraview > > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
