Hello everyone!
This is deal.II newsletter #149.
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:
#11541: Use the correct mapping for a finite element. (proposed by bangerth)
#11539: Use linear Q1 mapping even in places where we know that that may be wrong (proposed by bangerth)
#11538: Use default constructed linear mapping. (proposed by bangerth)
#11537: Remove some unnecessary #include files. (proposed by bangerth)
#11536: Only consider the tests in tests/simplex/ if we actually have simplex support (proposed by bangerth)
#11534: add step-55 as a simplex test (proposed by tjhei)
#11532: Convert step-8 to a simplex test (proposed by nmuch)
#11531: cell bounding box tests for Simplex grids in 2d and 3d (proposed by nicola-giuliani)
#11530: Implement Simplex::FE_P::compute_2nd_derivative() (proposed by peterrum; merged)
#11528: simplex: vertex_dof_identities for FE_P (proposed by marcfehling)
#11527: simplex: compare_for_domination (proposed by marcfehling)
#11526: Simplify code flow. Add a bit of documentation. (proposed by bangerth)
#11525: Unit test for GridTools::compute_point_locations in simplex meshes (proposed by lwy5515)
#11524: Simplify a few return statements a bit. (proposed by bangerth; merged)
#11523: Fix indentation mishap. (proposed by bangerth; merged)
#11522: Fix missing 'spacedim' template argument. (proposed by bangerth; merged)
#11520: Introduce ReferenceCell::get_default_linear_mapping() with triangulation argument. Use it. (proposed by bangerth; merged)
#11519: Particles fully distributed/shared triangulation (proposed by blaisb; merged)
#11518: Mark a test as requiring UMFPACK. (proposed by drwells; merged)
#11517: Convert step-7 to a simplex test (proposed by sebproell; merged)
#11516: Add a utility function for Simplex::FE_P's support points. (proposed by drwells; merged)
#11515: Generalize p::d::SolutionTransfer for p::f::Triangulation (proposed by elauksap)
#11514: MappingFE::transform_real_to_unit_cell() (proposed by luca-heltai)
#11513: Improve error message when accessing vector elements in parallel. (proposed by bangerth; merged)
#11512: Break the declaration of the static mapping into a file of its own. (proposed by bangerth)
#11510: Fix orientation of triangular faces (proposed by peterrum; merged)
#11509: Add an assert to ReferenceCell::compute_orientation() (proposed by peterrum; merged)
#11507: Bugfix: DoFs constrained to 0 if FE_Nothing is part of FE_System (proposed by marcfehling)
#11506: ParameterAcceptor::enter/leave_subsection() (proposed by luca-heltai; merged)
#11505: Add FE_P_Bubbles (proposed by drwells)
#11504: Move and rename tensor basis transformations and add documentation (proposed by nmuch)
#11503: Convert step-31 to a simplex test (proposed by peterrum)
#11502: Assert type of coarse grid in p:d:T (proposed by mschreter; merged)
#11501: Enabling mixed meshes in GridIn::read_vkt() and read_msh() (proposed by peterrum; merged)
#11500: Add some comments to VectorTools::interpolate_boundary_values(). (proposed by bangerth; merged)
#11499: improve DynamicSparsityPattern usage documentation (proposed by tjhei; merged)
#11498: Fix typo (proposed by peterrum; merged)
#11497: [WIP] Add new BVH class (proposed by Rombur)
#11495: Fix the VTK output in the exodusii test. (proposed by drwells; merged)
#11494: Fix BoundingBox's Container ctor. (proposed by drwells; merged)
#11493: Replace deprecated CellId::to_cell(). (proposed by marcfehling; merged)
#11492: Make one variable 'const'. (proposed by bangerth; merged)
#11491: Clean up some in function_lib.cc. (proposed by bangerth; merged)
#11486: Fix bug in DoFHandler::distribute_dofs (proposed by adamqc; merged)
#11482: Tutorial step-03 with simplex support. (proposed by eliasstudiert; merged)
#11479: Adjusted settings for default FESeries::Legendre object. (proposed by marcfehling; merged)
#11475: Clarify what the picture shows in step-74. (proposed by bangerth; merged)
#11472: Introduce DEAL_II_DEPRECATED_EARLY (proposed by masterleinad; merged)
#11468: Better explain the purpose of the L-singularity function. (proposed by bangerth; merged)
#11341: Rework breakdown condition in BiCGSTAB (proposed by Rombur; merged)
And this is a list of recently opened or closed discussions:
#11540 Fix wrong default mapping for non-quad/hex meshes (opened)
#11535 set_all_manifold_ids does not to work in simplices (opened)
#11533 AffineConstraints: wrong values after calling distribute using parallel::distributed & hp::DoFHandler (opened)
#11529 Ubuntu/Debian: Document better how to use the deal.II package (opened)
#11521 FE_Nothing constraints are weird (opened)
#11511 subdivided_hyper_rectangle create grids with wrong material_id (opened and closed)
#11508 Python wrappers for simplex/mixed meshes (opened)
#11496 VTK hexahedra have negative volumes (opened)
#11480 Incompatibility between petsc and Trilinos Wrappers for Sparsematix and Vector (MPI) (closed)
#11466 Missing picture for step-74 (closed)
#11338 BiCGStab can loop forever (closed)
#9015 Python bindings for pre-/post-processing (closed)
A list of all major changes since the last release can be found at this website.
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