deal.II Newsletter #217

[Rene Gassmoeller]

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

And this is a list of recently opened or closed discussions:

#14069 LA::d::Vector<double> for component wise reordered FESystem (opened)
#14065 Configuration: Checking for parallel HDF5 fails (opened)
#14053 Sundials test fail. (opened)
#13910 Fix compile warnings (closed)
#13703 List of currently failing tests (closed)
#12728 Unify code for Raviart-Thomas polynomial space (closed)
#12340 Simplify declaration of MappingFEField (closed)
#12327 Simplify declaration of DataOutStack (closed)
#11222 Remove `hp::DoFHandler` and `DoFHandlerType`. (closed)

A list of all major changes since the last release can be found at this website.

Thanks for being part of the community!

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