deal.II Newsletter #262
Rene Gassmoeller
Hello everyone!
This is deal.II newsletter #262.
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:
#15807: MGTwoLevelTransfer: specialize setup for FCP and p-mg (proposed by peterrum)
#15806: Add NodeVisitor in rtree.h (proposed by fdrmrc)
#15805: Added gradient() evaluation to VectorFunctionFromTensorFunction (proposed by AbbBallout)
#15803: NonMatching: Add support for FE_Q_iso_Q1 to MeshClassifier and Discrete(Face)QuadratureGenerator (proposed by bergbauer)
#15802: Adjust expectations in a GridTools::get_coarse_mesh_description(). (proposed by bangerth)
#15801: Make GridGenerator::hyper_cube_with_cylindrical_hole<2>() more robust. (proposed by bangerth)
#15800: AffineConstraints: fix warnings (proposed by peterrum; merged)
#15799: trilinos_sparse_matrix_mmult needs EpetraExt (proposed by masterleinad; merged)
#15798: Fix block_vector_vector_assign (proposed by masterleinad; merged)
#15797: DataOut::add_mg_data_vector(): copy vector and update ghost values (proposed by peterrum; merged)
#15796: Simplify code using structured bindings. (proposed by bangerth; merged)
#15795: Minor addition to the documentation of a GridTools function. (proposed by bangerth; merged)
#15794: Use MGTransferGlobalCoarsening also for local smoothing (proposed by peterrum)
#15793: `MGTransferMF::interpolate_to_mg()`: zero out ghost values (proposed by peterrum; merged)
#15792: Add MGLevelObject::clear() (proposed by peterrum; merged)
#15791: Fix timing_step_37.cc (proposed by masterleinad; merged)
#15789: Pre-compute what's needed for AffineConstraints::distribute(). (proposed by bangerth)
#15788: [9.5] Allow compilation with PETSc but without MPI. (proposed by bangerth; merged)
#15787: Require PETSc to be configured with MPI support (proposed by masterleinad)
#15785: PETScWrappers::TimeStepper support resizing while solving (proposed by stefanozampini)
#15784: Replace MGTransferMG usages in tests/matrix_free (proposed by peterrum; merged)
#15783: More work to replace std::*::type by std::*_t. (proposed by bangerth; merged)
#15782: MGLevelGlobalTransfer: remove unused variables (proposed by peterrum; merged)
#15781: Allow compilation with PETSc but without MPI. (proposed by bangerth; merged)
#15779: Small modifications to performance/timing_matrix_free_kokkos (proposed by peterrum; merged)
#15777: CudaWrappers::MatrixFree: Only create required host mirrors (proposed by masterleinad; merged)
#15776: Use MPILogInitAll in particles/generators_* tests (proposed by masterleinad; merged)
#15775: CMake: only use REPEAT for >=3.15 (proposed by peterrum; merged)
#15773: Draft of FECouplingValues. (proposed by luca-heltai)
#15772: Allow configuring with CMAKE_CXX_STANDARD=23 (proposed by masterleinad; merged)
#15771: Add performance test for `CUDAWrapper::MatrixFree` (proposed by peterrum; merged)
#15770: Config.h.in: use PETSc/SLEPc macros to determine PETSc/SLEPc version (proposed by stefanozampini; merged)
#15769: Update PETScWrappers::NonlinearSolver (proposed by stefanozampini; merged)
#15768: PETScWrappers: Support with-strict-petscerrorcode configurations (proposed by stefanozampini; merged)
#15767: tweak PETSc tests (proposed by stefanozampini; merged)
#15766: [C++17] Prefer std::is_*_v over std::is_*::value. (proposed by bangerth; merged)
#15765: [C++17] Prefer std::decay_t over std::decay::type. (proposed by bangerth; merged)
#15764: Improve an error message. (proposed by bangerth; merged)
#15757: Check for ArborX C++20 bug (proposed by masterleinad; merged)
#15756: github: run all github actions on draft PRs as well (proposed by tamiko; merged)
#15755: Redo the quadrilateral measure function. (proposed by drwells; merged)
#15754: Remove duplicate indices if ArborX is available (proposed by fdrmrc; merged)
#15753: AffineConstraints::merge(): allow mixed numbers (proposed by peterrum; merged)
#15752: MGTransferGlobalCoarsening: initialize with MGConstrainedDoFs (proposed by peterrum; merged)
#15751: Remove unused exception (proposed by peterrum; merged)
#15750: MGTransferMatrixFree: remove unused template argument (proposed by peterrum; merged)
#15748: Manually fix up some std::is_same<...> places. (proposed by bangerth; merged)
#15747: When outputting numbers of tests, align the text. (proposed by bangerth; merged)
#15746: [C++17] Prefer std::is_base_of_v over std::is_base_of::value. (proposed by bangerth; merged)
#15745: Small markup fixes. (proposed by bangerth; merged)
#15744: Add missing changelog entry about the improvement to step-68 (proposed by blaisb; merged)
#15731: Use "empty()" instead of "size() == 0" (proposed by masterleinad; merged)
#15730: Keep track of constraints we have already determined are finalized. (proposed by bangerth; merged)
And this is a list of recently opened or closed discussions:
#15790 Regression tester regressed f803f6 (opened and closed)
#15786 Failed test with p4est (opened)
#15780 Initial performance analysis of matrix_free_kokkos benchmark (opened)
#15778 Regression tester regressed 6bb864 (opened and closed)
#15774 Regression tester regressed 5a4ffd (opened and closed)
#15763 issue in building deal.ll (opened)
#15762 Update step-64 (opened)
#15761 CudaWrapper::MatrixFree crashes if quadrature points are not queried (opened and closed)
#15760 Unify interface of p::d::SolutionTransfer and SolutionTransfer (opened)
#15759 CMake error when configuring with `P4EST` (opened and closed)
#15758 Test slepc/step-36_parallel_02: very rare test failures (opened)
#15749 Regression tester regressed dd65f9 (opened and closed)
#15742 Performance regression: various grid and particle operations with p4est-2.8 versus p4est-2.3 (closed)
#15741 Performance regression: timing-navier_stokes/setup_matrix_free (closed)
#14608 Wrong numbering of ucd_to_deal in GeometryInfo<3> (closed)
#8852 Performance tests (closed)
#5454 Refactor the PETSc matrix/vector classes (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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Additional information can be found at our official website.