Hi Jihuan:
this is pretty amazing!
I’ve developed HierBEM, a 3D Galerkin boundary element method (BEM)
library written in C++. Built on deal.II, HierBEM uses hierarchical
matrices for near log-linear complexity. The numerical quadrature is
accelerated by CUDA. I hope HierBEM can be a nice supplement to deal.II
with its capability of handling open domains and directly solving
physical fields on surfaces with a higher accuracy than FEM.
First, would you like us to visit HierBEM here?
https://dealii.org/gallery_applications/applications/
Second, are there parts of HierBEM that you think might be of broader
interest and that you would like to contribute to deal.II itself?
Looking at your list of features, I wonder whether for example these
things might be of sufficient interest to others:
* your complex-valued CG/GMRES
* various H-matrix algebra pieces you list under your "Features"
* (some of) the things you currently have in LAPACKFullMatrixExt
* the TableBase::data() function
* many of your tool functions
* classes such as ClusterTree
If some of this became part of deal.II you would also not have to
support that code yourself any more.
In general, looking through your code, it is really nice to see how well
you document everything!
Best
Wolfgang
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