Hello everyone! This is deal.II newsletter #101. 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: #9053: Bug in grid_tools compute_mesh_predicate_bounding_box for dim!=spacedim triangulations (proposed by blaisb) https://github.com/dealii/dealii/pull/9053 #9052: Mark HangingNode member functions as 'inline' (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/9052 #9051: Fix compiling with clang-3.7.1 (proposed by masterleinad) https://github.com/dealii/dealii/pull/9051 #9050: Fix two places where we used too large numbers in communication channel (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/9050 #9049: Allow initialization of MappingQCache by lambda (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/9049 #9048: fix compilation with opencascade version 6.8.0 and older (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/9048 #9045: Add airfoil grid generator [WIP] (proposed by eliasstudiert) https://github.com/dealii/dealii/pull/9045 #9044: Fix data of log files (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9044 #9042: Fix timer_07 test (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/9042 #9041: Avoid warning about unused variable (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/9041 #9040: added stl read/write functions with compatibility (proposed by nicola-giuliani; merged) https://github.com/dealii/dealii/pull/9040 #9039: Add more choices to QuadratureSelector (proposed by jodlbauer; merged) https://github.com/dealii/dealii/pull/9039 #9038: Make variable volatile to avoid incorrect optimization (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/9038 #9037: Add more quadratures to QuadratureSelector. (proposed by jodlbauer) https://github.com/dealii/dealii/pull/9037 #9036: Adding a test for hp::DoFHandler and parallel::distributed::Triangulation (proposed by BenBrands) https://github.com/dealii/dealii/pull/9036 #9035: Add missing doxygen comment in ConsensusAlgorithm (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9035 #9034: unify MPI tags for Partitioner/parallel Vector (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9034 #9033: Use ConsensusAlgorithm_NBX in compute_point_to_point_communication_pattern (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9033 #9032: Generalize ComputeIndexOwner::Dictionary (proposed by peterrum) https://github.com/dealii/dealii/pull/9032 #9030: configure trilinos: Ensure that we are linking against MPI for Tpetra configure check (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/9030 #9028: Make indent script work for python bindings (proposed by agrayver) https://github.com/dealii/dealii/pull/9028 #9027: Add missing bracket in docu of DoFHandler (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9027 #9026: Revert "added stl read/write functions" (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/9026 #9025: remove TimerOutput error spam (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9025 #9024: 64bit fixes for IndexSets (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9024 #9023: Extend cell python wrappers and add face wrappers (proposed by agrayver; merged) https://github.com/dealii/dealii/pull/9023 #9022: Do not hardcode the warp size (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/9022 #9021: Add missing header (proposed by Rombur) https://github.com/dealii/dealii/pull/9021 #9020: Add missing header (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/9020 #9019: Fix Open Cascade incompatibility (proposed by dangars) https://github.com/dealii/dealii/pull/9019 #9018: Add a discussion about Schur complements to step-22. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9018 #9017: Minor updates to the documentation of step-20. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9017 #9016: Add missing namespace (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/9016 #9014: small documentation fix in DoFTools (proposed by rezarastak; merged) https://github.com/dealii/dealii/pull/9014 #9013: Fix hp_cell_weights tests (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/9013 #9012: Fix test output for fullydistributed_grids/copy_serial_tria (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/9012 #9011: Fix Boost.Python CMake (proposed by agrayver; merged) https://github.com/dealii/dealii/pull/9011 #9010: use global list of MPI tags for collective communication (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9010 #9008: Add a hint to the indention script (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9008 #9007: Add copy_triangulation to parallel::fullydistributed::Triangulation (proposed by peterrum) https://github.com/dealii/dealii/pull/9007 #9005: Allow change of SIMD type via template argument (proposed by jodlbauer; merged) https://github.com/dealii/dealii/pull/9005 #9002: return MPI_Comm by const ref (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9002 #8994: Slightly simplify MPI::ComputeIndexOwner::Dictionary range detection (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/8994 #8976: added stl read/write functions (proposed by nicola-giuliani; merged) https://github.com/dealii/dealii/pull/8976 #8962: Output all faces and edges to vtk (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/8962 #8797: Allow multigrid transfer to use external vector partitioners (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/8797 #8419: Bloch periodic conditions (a.k.a. phase shift periodic conditions) (proposed by dangars; merged) https://github.com/dealii/dealii/pull/8419 ## And this is a list of recently opened or closed discussions: #9047: Assertion during refinement of parallel distributed GridGenerator::quarter_hyper_ball (opened) https://github.com/dealii/dealii/issues/9047 #9046: Inconsistent ParticleHandler numbering (opened) https://github.com/dealii/dealii/issues/9046 #9043: Support for iterators within HDF5::Files or Groups (opened) https://github.com/dealii/dealii/issues/9043 #9031: broken :ComputeIndexOwner::ConsensusAlgorithm if not all dofs are covered (opened) https://github.com/dealii/dealii/issues/9031 #9029: Import .stl files for meshes? (opened) https://github.com/dealii/dealii/issues/9029 #9015: Python bindings for GridTools (opened) https://github.com/dealii/dealii/issues/9015 #9009: FullMatrix<number>::gauss_jordan() returns incorrect inverse in multithreading. (opened) https://github.com/dealii/dealii/issues/9009 #9006: Improve indent error message (closed) https://github.com/dealii/dealii/issues/9006 A list of all major changes since the last release can be found at https://www.dealii.org/developer/doxygen/deal.II/changes_after_8_5_0.html. Thanks for being part of the community! Let us know about questions, problems, bugs or just share your experience by writing to dealii@googlegroups.com, or by opening issues or pull requests at https://www.github.com/dealii/dealii. 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