On 2/18/21 6:39 AM, 'David' via deal.II User Group wrote:

the problem here is independent of any data set. So, you can also see it in paraView in the 'solid color' block. It seems to be an artificial curvature within the element.
To my best knowledge it is not required to update any geometry related data.

I have to admit that I don't know how to address this because I don't know nor use Paraview. As mentioned before, it would be useful to obtain the smallest possible testcase that reproduces the problem -- minimal number of processors, minimal number of cells.

Best
 Wolfgang

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Wolfgang Bangerth          email:                 [email protected]
                           www: http://www.math.colostate.edu/~bangerth/

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