Hello everyone! This is deal.II newsletter #245. It automatically reports recently merged features and discussions about the deal.II finite element library.
## Below you find a list of recently proposed or merged features: #14886: improve docu of VectorTools::interpolate_boundary_values() (proposed by nfehn) https://github.com/dealii/dealii/pull/14886 #14885: Explicit Instantiate GridTools::collect_periodic_faces with Meshtype = parallel::shared::triangulation<1,1> (proposed by nils-schween) https://github.com/dealii/dealii/pull/14885 #14884: Allow external initialization of MPI and p4est (proposed by sloede) https://github.com/dealii/dealii/pull/14884 #14883: clean up a test (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/14883 #14882: [C++20] Annotate 'MeshType' template parameters with concepts (proposed by bangerth) https://github.com/dealii/dealii/pull/14882 #14881: Reduce header inclusions (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14881 #14880: Mark more functions used in Assert as DEAL_II_HOST_DEVICE (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14880 #14878: Redo some indexing inside FESystem. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14878 #14877: Partial revert of #14753 (proposed by Rombur) https://github.com/dealii/dealii/pull/14877 #14876: Minor improvement to an error message. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14876 #14875: Minor improvement to an error message about an unsupported case. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14875 #14874: Replace #if DEBUG with #ifdef DEBUG (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14874 #14869: Initialize Kokkos with MultithreadInfo::n_threads() (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14869 #14868: make_flux_sparsity_pattern() revision (proposed by vyushut; merged) https://github.com/dealii/dealii/pull/14868 #14866: Warn users about FE index mismatch instead of silently dropping them. (proposed by marcfehling) https://github.com/dealii/dealii/pull/14866 #14865: Expose eigenvectors of LAPACKFullMatrix (proposed by kronbichler) https://github.com/dealii/dealii/pull/14865 #14863: Fix a missing transpose. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14863 #14862: step-69: Use commonly used name for time step number. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14862 #14861: Use better variable names in step-69. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14861 #14860: Make an input variable in step-69 'const'. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14860 #14857: Simplify an exception definition (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14857 #14856: [C++20] Annotate the VectorTools functions with vector concepts. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14856 #14855: Fix a mistaken 'requires' annotation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14855 #14853: Simplify a ?: expression in step-22. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14853 #14852: Clarify documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14852 #14851: Rename a variable in step-69 to make its purpose clearer. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14851 #14809: NonMatching::MappingInfo: precompute mapping data for an IteratorRange of cells/faces (proposed by bergbauer; merged) https://github.com/dealii/dealii/pull/14809 #14691: Fix vertex numbering from deal to UCD (proposed by nlsmrg; merged) https://github.com/dealii/dealii/pull/14691 #14605: Classical Gram-Schmidt for block vectors (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14605 #14562: ParameterHandler::add_parameter(): do not call action (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14562 #14360: Get vertices in CGAL order on face (proposed by jh66637; merged) https://github.com/dealii/dealii/pull/14360 ## And this is a list of recently opened or closed discussions: #14879: GridTools::collect_periodic_faces with parallel:shared::Triangulation in 1D (opened) https://github.com/dealii/dealii/issues/14879 #14873: Doxygen site: forced dark mode has bright white table of contents in Firefox (opened) https://github.com/dealii/dealii/issues/14873 #14872: Question: batched FE_Values reinit? (opened and closed) https://github.com/dealii/dealii/issues/14872 #14871: Docu of VectorTools::interpolate_boundary_values() unclear (opened) https://github.com/dealii/dealii/issues/14871 #14870: Deallii / Trilinos interaction (opened and closed) https://github.com/dealii/dealii/issues/14870 #14867: External Kokkos with openmp support: annoying warning at startup (opened and closed) https://github.com/dealii/dealii/issues/14867 #14864: Clean up SolverGMRES and SolverFGMRES (opened) https://github.com/dealii/dealii/issues/14864 #14859: Failed assertion with hanging nodes and solution transfer (opened) https://github.com/dealii/dealii/issues/14859 #14858: Need to remove 'using namespace std' from tests (opened) https://github.com/dealii/dealii/issues/14858 #13970: Should `ParameterHandler::add_parameter()` execute the action? (closed) https://github.com/dealii/dealii/issues/13970 A list of all major changes since the last release can be found at https://www.dealii.org/developer/doxygen/deal.II/recent_changes.html. Thanks for being part of the community! Let us know about questions, problems, bugs or just share your experience by writing to dealii@googlegroups.com, or by opening issues or pull requests at https://www.github.com/dealii/dealii. Additional information can be found at https://www.dealii.org/. -- 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. 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