Hello everyone! This is deal.II newsletter #113. 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: #9642: Add missing include file for step-69 (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/9642 #9641: Step-69: fix warnings (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9641 #9640: Step-69: add missing include cmath (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9640 #9639: Enable Utilities::MPI::NoncontiguousPartitioner to handle padding [WIP] (proposed by peterrum) https://github.com/dealii/dealii/pull/9639 #9638: step-69: improve spelling. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/9638 #9637: step-69: fix some timer variable names. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/9637 #9636: Step-69: Introduce asynchronous IO mechanism (proposed by tamiko) https://github.com/dealii/dealii/pull/9636 #9635: Clarify some discussion on Manifolds in step-49. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/9635 #9634: Remove auto from test mpi_noncontiguous_partitioner_02.cc (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9634 #9633: Add default constructor to NoncontiguousPartitioner (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9633 #9631: new free function LinearAlgebra::set_zero_mean_value() (proposed by nfehn) https://github.com/dealii/dealii/pull/9631 #9630: Instantiate all ConsensusAlgorithm components (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9630 #9629: Fix a typo. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9629 #9628: Reference step-69 in a couple of places. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9628 #9625: Add a missing boost header. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/9625 #9624: Introduce and use new ExcNeedsMPI (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9624 #9623: Introduce ConsensusAlgorithms namespace (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9623 #9622: Introduce GeometryInfo::vertex_indices() (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9622 #9619: Avoid a bunch of warnings in release mode. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9619 #9616: More active_cell_iterators(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9616 #9615: shell script: fix some shellcheck warnings (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9615 #9614: cleanup and document check_indentation.sh (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9614 #9612: CI: fix check_indentation.sh script (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9612 #9611: Fix indentation in step-8 (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9611 #9610: Add chang-log entry for ConsensusAlgorithm (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9610 #9608: doc: TableHandler uint_64 type (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9608 #9607: Convert a lot of places to range-based loops over all active cells. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9607 #9606: fix some doxygen warnings (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9606 #9605: Simplify a piece of code. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9605 #9604: Fix type of ConsensusAlgorithmProcessTargets (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9604 #9603: Convert explicit loops over faces to range-based loops. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9603 #9602: Fix bug in FEEvaluation for constraints in face integrals (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/9602 #9601: Augment the introduction of step-8. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9601 #9600: Move ConsensusAlgorithm related functions to mpi_consensus_algorithm.h (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9600 #9599: Add overload for logstream's << for uint64_t (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/9599 #9595: Use a template for Utilities::reverse_permutation and Utilities::invert_permutation (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/9595 #9593: remove redundancy from MGTransfer (proposed by nfehn; merged) https://github.com/dealii/dealii/pull/9593 #9592: CI: github action: test 64bit indices (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9592 #9586: Introduce types::global_cell_index. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/9586 #9585: use global_cell_index in many places (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9585 #9584: CI: Jenkins: set -x and set -e (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9584 #9580: Add rank 2 tensor orthogonalization function (proposed by MFraters; merged) https://github.com/dealii/dealii/pull/9580 #9575: documentation: improve level_ghost_owners (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/9575 #9560: Handle special case for PolarManifold::normal_vector (proposed by gassmoeller; merged) https://github.com/dealii/dealii/pull/9560 #9557: Fix elastic equation of step-8 (proposed by dangars; merged) https://github.com/dealii/dealii/pull/9557 #9556: Add new vectorized_load_and_transpose and vectorized_transpose_and_store (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9556 #9387: Utilities::MPI::NoncontiguousPartitioner (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/9387 #8445: step-69: A first order hydrodynamics code for compressible Euler (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8445 ## And this is a list of recently opened or closed discussions: #9632: Clarify theory in introduction of step-44 (opened) https://github.com/dealii/dealii/issues/9632 #9627: Linker error with ConsensusAlgorithm (opened and closed) https://github.com/dealii/dealii/issues/9627 #9626: Expensive structures being regenerated at each sort_particles_into_subdomains_and_cells for particle_handler (opened) https://github.com/dealii/dealii/issues/9626 #9621: building deal.ii with ninja (opened) https://github.com/dealii/dealii/issues/9621 #9620: More GeometryInfo::..._indices() functions? (opened) https://github.com/dealii/dealii/issues/9620 #9618: Partitioner: add function to transform multiple indices at once (opened) https://github.com/dealii/dealii/issues/9618 #9617: SparseMatrix: Add an operator()(SparsityPattern::iterator) variant (opened) https://github.com/dealii/dealii/issues/9617 #9613: CI: add a check that compiles in release mode (opened) https://github.com/dealii/dealii/issues/9613 #9609: face-based loop warnings (opened and closed) https://github.com/dealii/dealii/issues/9609 #9598: Memory consumption in large scale hp-adaptive applications. (opened) https://github.com/dealii/dealii/issues/9598 #9588: Compilation failes for DEAL_II_WITH_64BIT_INDICES="ON" (closed) https://github.com/dealii/dealii/issues/9588 #9573: Improve documentation/asserts of MGTransferMatrixFree build() usage (closed) https://github.com/dealii/dealii/issues/9573 #9550: discuss 64bit typedef in places outside of DoFs (closed) https://github.com/dealii/dealii/issues/9550 #9520: Outdated section of step-49 (closed) https://github.com/dealii/dealii/issues/9520 #9222: bibtex references broken on homepage (closed) https://github.com/dealii/dealii/issues/9222 #5653: Set up a tester with 64bit indices (closed) https://github.com/dealii/dealii/issues/5653 A list of all major changes since the last release can be found at https://www.dealii.org/developer/doxygen/deal.II/recent_changes.html. Thanks for being part of the community! 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