[deal.II] WorkStream::run error for hp iterator

Hi, I'm trying to implement multithreading for a fluid-solid interaction problem (and thus I used hp mode). I used workstream for CPU acceleration and the code is below: *WorkStream::run(dof_handler.begin_active(), dof_handler.end(),*this, &ElasticWaveEquation::local_as

[deal.II] Trying to interpolate deal.ii solution to a Cartesian grid

Hello, I have a solution on an unstructured grid obtained by deal.ii in VTU format, and now I want to interpolate it to a cartesian grid for further processing in other softwares. It seems like Paraview can do the job, but I'm wondering if this can be done in deal.ii directly? Thank you! Best,