On 10/25/19 5:03 AM, 'Andreas Hegendörfer' via deal.II User Group wrote:
>
> I am only able to output only one value at a support point, what makes
> my solution looks continous (especially in the middle). The objective is
> to make my output of the strain to look like the ouput of
> DataPostprocessorTensor.
>
> The FAQs say :"The solution to the problem is then to simply output each
> vertex multiple times -- with different vertex numbers but at exactly
> the same location, once for each cell it is adjacent to."
>
>
> But I dont know how to do that. How to output more than one value at the
> location of a vertex of the mesh?
You'll have to describe how exactly you compute your strain :-) If you
output it with DataOut, then I suspect that you compute the strain
somehow and put it into a finite element field? If you want to put a
discontinuous quantity into a finite element field, then you probably
also want that finite element field to use a discontinuous element
(e.g., FE_DGQ).
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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