deal.II Newsletter #224
Rene Gassmoeller
Hello everyone!
This is deal.II newsletter #224.
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:
#14245: PreconditionRelaxation: add specialization (proposed by peterrum)
#14244: DiagonalMatrix: specialize for LA:d:V (proposed by peterrum)
#14243: [WIP] TensorProductMatrixSymmetricSum for matrices with rows/columns filled with zero (proposed by peterrum)
#14242: PreconditionChebyshev: reduce number of writes by one (proposed by peterrum; merged)
#14241: Fix a warning (proposed by kronbichler; merged)
#14240: FEEvaluation: Create temporary copy of Jacobian matrix in submit_XXX (proposed by kronbichler; merged)
#14239: MatrixFree: Fix assertion in presence of FE_Nothing (proposed by kronbichler; merged)
#14238: Add specializations of PreconditionRelaxation functions (proposed by peterrum; merged)
#14237: Specialize EvaluatorTensorProduct<evaluate_evenodd> for non-templated execution (proposed by peterrum)
#14236: support XDMF writing with ranks without cells (proposed by tjhei)
#14235: fix: step-50 PETSc (proposed by tjhei; merged)
#14234: Normal flux constraints: map DoF indices to vector DoF indices (proposed by zjiaqi2018)
#14232: Enable SolverIDR for block vectors (proposed by peterrum; merged)
#14231: Doc update in GridTools. (proposed by bangerth; merged)
#14230: Remove an outdated comment. Link to step-19. (proposed by bangerth; merged)
#14229: Clarify a comment for one of the particle generators. (proposed by bangerth; merged)
#14228: Precompile TensorProductMatrixSymmetricSum kernels (proposed by peterrum; merged)
#14227: Set another OMP environment variable. (proposed by drwells; merged)
#14226: MatrixFree laplace operator: Restructure computation of diagonal (proposed by kronbichler; merged)
#14225: Adjust interface in 'dofs' folder to new datatype 'types::fe_index'. (proposed by marcfehling)
#14224: Fix bug in matrix-free operators regarding diagonal (proposed by kronbichler; merged)
#14223: Update output (proposed by peterrum; merged)
#14222: Fix test case with clang compiler (proposed by kronbichler; merged)
#14221: Fuse some loops in Triangulation::execute_coarsening (proposed by kronbichler; merged)
#14220: Merge two loops in setup of triangulation (proposed by kronbichler; merged)
#14219: MatrixFree: Fix bug in setup of new cell_index for MG (proposed by kronbichler; merged)
#14218: Avoid warning about unused variable (proposed by kronbichler; merged)
#14216: Add specializations of PreconditionChebyshev functions (proposed by peterrum; merged)
#14215: Fix PETSc version detection. (proposed by drwells; merged)
#14214: Fix docker build (proposed by bergbauer; merged)
#14213: Clarify comments about get_generalized_support_points(). (proposed by bangerth; merged)
#14212: Move invalid_fe_index to numbers. (proposed by marcfehling; merged)
#14211: Update checks for AD-types. (proposed by drwells; merged)
#14210: Move active_fe_index_type to types. (proposed by marcfehling; merged)
#14209: Optimize PreconditionRelaxation (proposed by peterrum; merged)
#14208: Added get/set functions for future FE indices. (proposed by marcfehling; merged)
#14207: Change get_active_fe_indices() to return the result. (proposed by marcfehling; merged)
#14206: CMake: Avoid --date=iso-strict for git versions older than 2.2 (proposed by tamiko; merged)
#14205: Adolc tensor refactor (proposed by drwells)
#14204: Do not use --date=iso-strict in DEAL_II_QUERY_GIT_INFORMATION (proposed by peterrum)
#14203: Fix Kokkos flags (proposed by masterleinad; merged)
#14202: Add some more missing Trilinos headers. (proposed by drwells; merged)
#14201: Add a missing header to vector_relations.h. (proposed by drwells; merged)
#14200: Fix source typos in tests/ (proposed by luzpaz)
#14199: Cleanup mapping q1 inclusions (proposed by drwells; merged)
#14198: Fix more headers in Zoltan tests. (proposed by marcfehling; merged)
#14197: Fix MatrixFree + FE_Q_iso_Q1(2) (proposed by peterrum; merged)
#14196: Fix header in Zoltan tests. (proposed by marcfehling; merged)
#14194: Add missing header to `lac/trilinos_tpetra_vector.templates.h` (proposed by mschreter; merged)
#14193: Assert for released handle on parallel::distributed::*Transfer classes. (proposed by marcfehling; merged)
#14192: Added missing header. (proposed by marcfehling; merged)
#14191: Trilinos utilities (proposed by drwells; merged)
#14190: FEEvaluationData: add virtual destructor (proposed by peterrum; merged)
#14178: Add second version of TensorProductMatrixSymmetricSum::apply_inverse() (proposed by peterrum; merged)
#14167: No normal flux constraints on level meshes (proposed by zjiaqi2018; merged)
#14160: Documentation:manifold normal vector (proposed by zjiaqi2018; merged)
#14159: FEPointEvaluation fix compilation for float (proposed by bergbauer; merged)
#14140: Generalized VT::point_gradients() for multiple components (proposed by peterrum; merged)
#14130: Introduce inverse of MF::get_cell_iterator() (proposed by peterrum; merged)
#14122: Add FEFaceEvaluation::at_boundary() and boundary_id() (proposed by peterrum; merged)
#14121: Add MatrixFreeTools::ElementBirthAndDeathMatrixFree (proposed by peterrum; merged)
#14097: Clean cgal utilities (proposed by fdrmrc; merged)
#13895: Use free consensus algorithms functions instead of the class version. (proposed by bangerth; merged)
#13820: [9.5] Refactor grid fixup functions (proposed by drwells; merged)
#12759: Add FieldTransfer for the transfer of field with FE_Nothing (proposed by Rombur; merged)
And this is a list of recently opened or closed discussions:
#14233 `n_blocks()` and `block()` for non-block vectors (opened)
#14217 Undefined references when linking with ld.lld (opened)
#14195 Wrong generalized support points for FESystem(FE_Ndelec) (opened and closed)
#14189 Internal error in SolutionTransfer (closed)
#14179 cmake fail to set CXX_FLAGS correctly with independent external kokkos (closed)
A list of all major changes since the last release can be found at this website.
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Additional information can be found at our official website.