Rene Gassmoeller
Hello everyone!
This is deal.II newsletter #115.
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:
#9726: replace n_array_elements in a few comments (proposed by tjhei)
#9725: annotate deprecation of n_array_elements (proposed by tjhei)
#9724: MPI: silence "avoid a deadlock" error message (proposed by tjhei; merged)
#9723: Feature: assemble matrix from vmult utilizing sparsity pattern. (proposed by jodlbauer)
#9721: Make external file names use our usual naming scheme. (proposed by bangerth; merged)
#9719: Fix MatrixFree graph (proposed by peterrum; merged)
#9718: improve robustness and usability of ParameterHandler (proposed by nfehn)
#9717: Add a graph to matrix-free module (proposed by peterrum; merged)
#9716: Remove update_once/each() functions from FE_NedelecSZ. (proposed by bangerth; merged)
#9715: Minor additions to the documentation about higher order output. (proposed by bangerth; merged)
#9714: Minor edits to step-11 (proposed by bangerth; merged)
#9713: tutorials: add more keywords (proposed by tjhei; merged)
#9712: Fix compilation with Tpetra vector, 2nd attempt (proposed by kronbichler; merged)
#9711: CI: check file encoding (proposed by tjhei; merged)
#9710: SparsityTools::distribute_sparsity_pattern with compute_index_owner (proposed by kronbichler)
#9709: Name alias of VectorizedArray::size() consistently (proposed by peterrum; merged)
#9708: Fix compilation with Tpetra vector (proposed by kronbichler; merged)
#9707: Print a reduced parameter tree for XML and JSON (proposed by peterrum)
#9706: Remove a few VectorizedArray::n_array_elements (proposed by kronbichler; merged)
#9705: Introduce DEAL_II_VECTORIZATION_WIDTH_IN_BITS (proposed by kronbichler)
#9701: Add a wiki link for high-order visualization (proposed by agrayver; merged)
#9700: Respect the 3-empty-lines rule. (proposed by bangerth; merged)
#9699: Move table formatting code next to where the table is filled. (proposed by bangerth; merged)
#9698: Fix a typo. (proposed by bangerth; merged)
#9697: Simplify the code a bit. (proposed by bangerth; merged)
#9696: Link in step-69 on tutorial page (proposed by kronbichler; merged)
#9695: Fix a few typos in step-69 (proposed by kronbichler; merged)
#9694: Update step 11 with high-order mesh images (proposed by agrayver; merged)
#9693: remove bundled muparser gcc 9 warning (proposed by tjhei; merged)
#9692: bundled tbb warnings with gcc9 (proposed by tjhei; merged)
#9691: Modularize step-20 better. (proposed by bangerth; merged)
#9688: Deprecate VectorizedArray::n_array_elements (proposed by peterrum; merged)
#9687: Replace the connections graph with the one from the recent paper. (proposed by bangerth; merged)
#9686: base/tensor.h - small cleanups (proposed by tamiko; merged)
#9685: Disallow use of Tensor<-1> and Tensor<-2>. (proposed by bangerth)
#9683: MF: No special treatment of cells close to proc interface (proposed by kronbichler)
#9681: Change type of template argument width of VectorizedArray to std::size_t (proposed by peterrum; merged)
#9679: Default copy constructor for MatrixBlock (proposed by masterleinad; merged)
#9678: rename _HAVE_CXX14_CONSTEXPR_CAN_CALL_NONCONSTEXPR (proposed by tjhei; merged)
#9677: remove step-19 (proposed by tjhei; merged)
#9676: merge_triangulations(): replace std::initializer_list by std::vector (proposed by nfehn; merged)
#9675: VectorizedArrayIterator enable std::advance() (proposed by peterrum; merged)
#9674: VectorizedArrayIterator enable std::distance and add operator+ (proposed by peterrum; merged)
#9673: clang 4 constexpr detection (proposed by tjhei; merged)
#9670: remove references to step-19 (proposed by tjhei; merged)
#9639: Enable Utilities::MPI::NoncontiguousPartitioner to handle padding (proposed by peterrum; merged)
#9530: Avoid correcting higher derivatives if mapping is Cartesian (proposed by simonsticko; merged)
#9509: Explicitly call p4est's repartition functions instead of p::d::Tria::repartition(). (proposed by marcfehling; merged)
#9100: Multigrid DataOut (proposed by tjhei; merged)
#8004: Compute coupling mass matrices using cutoff functions. (proposed by lwy5515; merged)
And this is a list of recently opened or closed discussions:
#9722 Time values of write_vtu seems to be incorrect? (opened)
#9720 Missing pictures in step-11 (opened and closed)
#9704 Inconsistent abbreviation of `VectorizedArray::size()` (opened and closed)
#9703 ParameterHandler: add new print_parameters() (opened)
#9702 ParameterHandler: add a .json example (opened)
#9690 Move Python bindings up to the main library (opened)
#9689 Group cells for data locality in matrix-free setup (opened)
#9684 [Step-52] Dopri error in the results incorrect? (opened)
#9682 Check Jacobian gradient before correcting higher derivatives (opened)
#9680 Make VectorizedArray compatible with algorithms from std (opened)
#9672 clang-4 compile issues (closed)
#9535 Using 4 elements for Tensor<1,dim> (closed)
#9455 [Step-20] Repetition of code for assignment of problem-specific coefficients is tedious and error-prone for keeping in sync (closed)
#8076 Check encoding in the CI testers (closed)
#7759 Add/augment wiki entry for solver non-convergence (closed)
#7021 Update tutorials about higher order VTK output (closed)
#5567 simplify usage of p::d::Tria::register_data_attach() and notify_ready_to_unpack() ? (closed)
#2198 update_once / update_each is still in documentation (closed)
#2046 Remove step-19 (closed)
#1367 Allow attaching cell weights to parallel::shared::Triangulation (closed)
A list of all major changes since the last release can be found at this website.
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