Can you attach a sample data file/state file? That'll make it easier to identify the problem and suggest a solution.
Thanks Utkarsh On Sat, Oct 4, 2014 at 4:14 AM, <[email protected]> wrote: > Hello everyone, > > I have three displacement field vector components u, v, w in my .vtk file > and wish to display the associated stress tensor. > I made the following steps: > > - Apply the filter Gradient Of Unstructued DataSet > -> Now have 9 scalars Gradient_0, ... , Gradient 8 > > - compute components of stress tensor via sigma_ij = div(Gradient) + u_i,j > -> Now have additional 9 scalars sigma_ij > > - from this form traction vectors: > T_i = sigma_ij e_j ,where e_j are the unit vectors iHat > > -> Now have three traction vectors from which the tensor field computation > doesnt work: > > - I do Result = T_1*iHat + T_2*jHat + T_3*kHat for the tensor calculation > and get the following error message: > > ERROR: In > /home/abuild/rpmbuild/BUILD/ParaView-v4.0.1-source/VTK/Common/Misc/vtkFunctionParser.cxx, > line 201 > vtkFunctionParser (0x205ddac0): Parse: Error deciding between ambiguous > operators > > > ERROR: In > /home/abuild/rpmbuild/BUILD/ParaView-v4.0.1-source/VTK/Common/Misc/vtkFunctionParser.cxx, > line 300 > vtkFunctionParser (0x205ddac0): expecting either 2 scalars or a scalar and a > vector > > > ERROR: In > /home/abuild/rpmbuild/BUILD/ParaView-v4.0.1-source/VTK/Common/Misc/vtkFunctionParser.cxx, > line 201 > vtkFunctionParser (0x205ddac0): Parse: Error deciding between ambiguous > operators > > > - Can you help me or tell me gow to visualize the stress tensor from the > displacement field? > - Alternatively you it would also be good to know how to multiply the result > of filter Gradient of Unstructured DataSet by a scalar value. > > > Many thanks for helping! > Gianna > > _______________________________________________ > 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://public.kitware.com/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://public.kitware.com/mailman/listinfo/paraview
