Math, The basis functions are not defined outside of an element, so you cannot extrapolate them outside of the mesh. What are you trying to achieve?
Best, Bruno On Monday, June 5, 2023 at 4:59:28 PM UTC-4 Mathieu wrote: > Hello everyone, > > I was wondering if deal.II has built-in functions to evaluate continuous > finite element functions (FEQ) at points outside the mesh? > E.g.: given a point P in 2d/3d, which is not contained in the 2d/3d mesh > but close to the boundary, how could one evaluate (extrapolate) the FE > function at P? Or is it not a good idea to extrapolate shape functions? > > Thank you > Math > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/99afba6c-3f6a-4990-8bf1-230beb186f4cn%40googlegroups.com.