Hello everyone! This is deal.II newsletter #217. 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: #14078: Remove remaining deprecations (proposed by masterleinad) https://github.com/dealii/dealii/pull/14078 #14077: Fix warning about possibly uninitialized variables (proposed by kronbichler) https://github.com/dealii/dealii/pull/14077 #14076: Use faster data structure to compute matrix-free renumbering (proposed by kronbichler) https://github.com/dealii/dealii/pull/14076 #14075: MGTransferBlockMatrixFree: allow to copy form/to other type of block vector (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14075 #14074: Add MGTransferGlobalCoarsening::min_level() and max_level() (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14074 #14073: Communicate refinement flags in p:s:T (proposed by peterrum) https://github.com/dealii/dealii/pull/14073 #14072: p:d:GridRefinement: accept other types of triangulations (proposed by peterrum) https://github.com/dealii/dealii/pull/14072 #14071: [WIP] Implement helpers for constitutive laws parameterised by (coupled) invariants (proposed by jppelteret) https://github.com/dealii/dealii/pull/14071 #14070: Remove CellId::to_cell (proposed by masterleinad) https://github.com/dealii/dealii/pull/14070 #14068: Remove the cell dof indices cache (proposed by kronbichler) https://github.com/dealii/dealii/pull/14068 #14067: Speed up ReferenceCell::standard_vs_true_line_orientation (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14067 #14066: Speed up DoFAccessorImplementation::get_dof_indices (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14066 #14064: Remove deprecated XDMFEntry::get_xdmf_content (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14064 #14063: DoFAccessor: Streamline access to dof indices (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14063 #14062: Simplify assertion by AssertIndexRange (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14062 #14061: Fix some VectorizedArrayTypes for non-default vectorization (proposed by sebproell; merged) https://github.com/dealii/dealii/pull/14061 #14060: Remove deprecated header file lac/parallel_block_vector.h (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14060 #14059: find_active_cell_around_point should only find cells with marked vertices (proposed by jh66637) https://github.com/dealii/dealii/pull/14059 #14058: Fix a few MatrixFree tests (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14058 #14057: Fix bug in MatrixFree::reinit for MG levels with empty process (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14057 #14056: HDF XDMF entry: store reference cell (proposed by tjhei) https://github.com/dealii/dealii/pull/14056 #14055: Add cross-references for global indices (proposed by peterrum) https://github.com/dealii/dealii/pull/14055 #14054: Remove trailing const (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14054 #14052: Small improvement for IndexSet::add_ranges_internal (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14052 #14051: DoFHandlerPolicy: Speed up function renumber_face_mg_dofs (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14051 #14050: User projects: Make sure that CMAKE_CUDA_HOST_COMPILER is set. (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14050 #14049: fix a warning when compiling with cuda support (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14049 #14048: Remove unqualified ContantFunction and ZeroFunction (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14048 #14047: Remove DoFHandler's initialize and set_fe (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14047 #14046: Mark two tests that depend on p4est as such. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14046 #14045: Include index_set.h in two more tests. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14045 #14044: step-81: Mention example step in the tutorial lists (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14044 #14043: Remove deprecated QProjector member functions (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14043 #14042: Slightly reword DataOutResample's documentation. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14042 #14041: `QSimplex<dim>::compute_affine_transformation()` in co-dimension one (proposed by fdrmrc) https://github.com/dealii/dealii/pull/14041 #14040: Remove deprecated DoFTools functions (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14040 #14039: Implement isend/irecv functions with std::future. (proposed by bangerth) https://github.com/dealii/dealii/pull/14039 #14038: DoFTools fix doc typo (proposed by gfcas; merged) https://github.com/dealii/dealii/pull/14038 #14037: Remove deprecated MatrixFree functionalities (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14037 #14036: [9.4] Take over #14035: Get rid of some warnings from defining Threads::new_thread(). (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14036 #14035: Get rid of some warnings from defining Threads::new_thread(). (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14035 #14033: [9.4] Takeover #14032: Disable HYPRE in the Tvmult test. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14033 #14032: Disable HYPRE in the Tvmult test. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14032 #14024: Do not add locally owned dofs to ghost set during construction (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14024 #14022: Reduce header inclusions of index_set.h in evaluation_kernels (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14022 #14021: Restructure inline functions of IndexSet (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14021 #14020: Avoid unnecessary locally_relevant_dofs in mg_transfer_internal (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14020 #14014: Add test (MF+DG+hp) (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14014 #13991: Auto-detect update_jacobian_grads (proposed by NiklasWik; merged) https://github.com/dealii/dealii/pull/13991 #13951: MatrixFree: Simplify some code in initialization of DoF indices (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13951 #13947: DoFAccessor: Run process_dof_indices only on FE entities with DoFs (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13947 #13931: Use pre-compiled structdim for access to TriaObjects in Accessor (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13931 #13930: Speed up computation of cell vertex indices cache (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13930 #13922: Speed up evaluation of some ReferenceCell operations (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13922 #13921: Use shortcut when determining isotropic refinement cases (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13921 #13866: Clean up PolynomialsRaviartThomas (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13866 #13853: Avoid some uses of Triangulation::user_flags (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13853 #13842: FESystem::build_interface_constraints() for wedges/pyramids (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13842 #13808: Removed hp::DoFHandler. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/13808 ## And this is a list of recently opened or closed discussions: #14069: LA::d::Vector<double> for component wise reordered FESystem (opened) https://github.com/dealii/dealii/issues/14069 #14065: Configuration: Checking for parallel HDF5 fails (opened) https://github.com/dealii/dealii/issues/14065 #14053: Sundials test fail. (opened) https://github.com/dealii/dealii/issues/14053 #13910: Fix compile warnings (closed) https://github.com/dealii/dealii/issues/13910 #13703: List of currently failing tests (closed) https://github.com/dealii/dealii/issues/13703 #12728: Unify code for Raviart-Thomas polynomial space (closed) https://github.com/dealii/dealii/issues/12728 #12340: Simplify declaration of MappingFEField (closed) https://github.com/dealii/dealii/issues/12340 #12327: Simplify declaration of DataOutStack (closed) https://github.com/dealii/dealii/issues/12327 #11222: Remove `hp::DoFHandler` and `DoFHandlerType`. (closed) https://github.com/dealii/dealii/issues/11222 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! 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