Dear all, following tutorial 18, I try to evaluate the stress at an arbitrary point. I guess that is not such an unusual case so some of you might stumbled upon it already. I found FETools::compute_projection_from_quadrature_points, but that only gets the stresses to the vertex points, but how do interpolate back to the arbitrary point? Is there a direct way to interpolate the gp-data to an arbitrary point in the same cell?
Thanks, Steffen
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