Rene Gassmoeller
Hello everyone!
This is deal.II newsletter #107.
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:
#9411: Augment introduction to step-7. (proposed by bangerth)
#9410: Use std::to_string() instead of boost lexical_cast. (proposed by bangerth)
#9409: Update the documentation of int_to_string() and to_string(). (proposed by bangerth)
#9408: Clarify a channel limit. (proposed by drwells; merged)
#9407: make_flux_sparsity_pattern with flux couplings on a subset of the faces (proposed by simonsticko)
#9404: CI: disable cxx14 for the serial linux build (proposed by tjhei; merged)
#9403: add github actions OSX to readme (proposed by tjhei; merged)
#9402: Rename step-71 to step-47. (proposed by drwells)
#9401: Make channel limits consistent. (proposed by drwells; merged)
#9400: Utilities::to_string -> std::to_string (proposed by drwells; merged)
#9399: Fix compiling for C++11 (proposed by masterleinad; merged)
#9398: Fix 1D-bug in one version of make_flux_sparsity_pattern (proposed by simonsticko; merged)
#9397: Test indentation script on Mac OSX (proposed by masterleinad; merged)
#9394: fixes a tautology/word repetition in step-7 that was distracting (proposed by krishnakumarg1984; merged)
#9393: In step-7, removes the explicit listing of various norms since the list is anyway outdated (proposed by krishnakumarg1984)
#9391: Refactor settings of p:f:t [WIP] (proposed by peterrum)
#9389: Add assert to prevent floating point exception (proposed by peterrum; merged)
#9388: Implement GridGenerator::replicate_triangulation(). (proposed by drwells)
#9387: Noncontiguous distributed vector [WIP] (proposed by peterrum)
#9385: Fix tests using DataOut::active_cell_iterator (proposed by masterleinad; merged)
#9384: Fixes yet another redundancy in tutorial DAGs. (proposed by krishnakumarg1984)
#9382: Don't print lines connecting different parts of the legend. (proposed by bangerth; merged)
#9381: Fix the fill color for the tutorial graph legend. (proposed by bangerth; merged)
#9380: Replace !has_children() by is_active(). (proposed by bangerth; merged)
#9379: Simplifies the example code for glossary entries of boundary_id and manifold_id (proposed by krishnakumarg1984)
#9376: Read and write vtu files (proposed by luca-heltai)
#9375: Remove some redundant edges from tutorial DAG (proposed by krishnakumarg1984; merged)
#9373: remove unnecessary tutorial DAG edges (proposed by tjhei; merged)
#9372: Fix removing trailing whitespaces (proposed by masterleinad; merged)
#9371: New compress/decompress using gzip. (proposed by luca-heltai; merged)
#9370: More work on the tutorial graph (proposed by bangerth; merged)
#9367: fix documentation on add_table. Fixes 9355 (proposed by krishnakumarg1984)
#9366: In step-10, fixes explanation surrounding new header inclusion. fixes... (proposed by krishnakumarg1984; merged)
#9365: step-10 builds on step-7. see #9358 (proposed by krishnakumarg1984; merged)
#9364: Rename methods in ConsensusAlgorithmProcess (proposed by peterrum; merged)
#9362: New p:f:t tests (proposed by peterrum)
#9360: Host of documentation improvements to step-10 (proposed by krishnakumarg1984)
#9359: Work around a doxygen bug that triggers in step-10. (proposed by bangerth; merged)
#9352: Introduce CellAccessor::is_active(). (proposed by bangerth; merged)
#9351: Remove trailing whitespace (proposed by masterleinad; merged)
#9348: Fix typo in step-49 doc about gmsh (proposed by kronbichler; merged)
#9346: Fix input argument type of ExcFileNotOpen() (proposed by peterrum; merged)
#9345: Clarify comments about distort_random() in step-49. (proposed by bangerth; merged)
#9344: Talk about mesh quality in step-6. (proposed by bangerth; merged)
#9343: Compute diagonal with MatrixFree (proposed by peterrum)
#9342: Use the same color edges as for nodes in the tutorial graph. (proposed by bangerth; merged)
#9340: Lots of documentation fixes to Step-49 tutorial (proposed by krishnakumarg1984; merged)
#9339: Simplify the example code for setting manifold id in glossary using range-based for loop (proposed by krishnakumarg1984)
#9337: Fix some coverity complains (proposed by masterleinad; merged)
#9335: Simplify description in step-49. (proposed by bangerth; merged)
#9333: Use @pre instead of @note in a number of places. (proposed by bangerth; merged)
#9332: Add a changelog for step-71. (proposed by bangerth; merged)
#9331: Fix url to the gmsh website (proposed by krishnakumarg1984; merged)
#9330: In glossary for coarse_mesh, use monospace font for refine_global call since doxygen wasn't already hyperlinking it anyway (proposed by krishnakumarg1984; merged)
#9329: Better document an issue with curved boundaries. (proposed by bangerth; merged)
#9328: Fix the instantiations of GridOut::write_svg(). (proposed by bangerth; merged)
#9327: Better document gmsh's features. (proposed by bangerth; merged)
#9326: add alternative output for tests/base/utilities_pack_unpack_07 (proposed by tjhei; merged)
#9320: Simplifies the example codes for glossary entries of boundary_id and manifold_id (proposed by krishnakumarg1984)
#9318: converts l_2 to LaTeX code (proposed by krishnakumarg1984; merged)
#9300: In step 6 results doc, move the header file inclusion sentence to reflect that we need it for Sparse_ILU and not Jacobi preconditioner (proposed by krishnakumarg1984; merged)
#9297: Make GridTools::delete_duplicate_vertices() faster. (proposed by drwells; merged)
#9288: Update constraints documentation module to reflect recent updates to step-6 (proposed by krishnakumarg1984; merged)
#9287: Replace the Dataout::first_cell/next_cell() mechanism (proposed by bangerth; merged)
#9272: Make DoFTools::count_dofs_per_{component,block} return its data. (proposed by bangerth; merged)
#9259: Implement jump_hessian and jump_3rd_derivative on FEInterfaceValues. (proposed by simonsticko; merged)
#9249: Replace Threads::mutex by std::mutex (proposed by masterleinad; merged)
#9231: Simpler CellwiseInverseMassMatrix::apply() function (proposed by kronbichler; merged)
#9178: Add a set of new python wrappers (proposed by agrayver; merged)
#9111: step-71: the biharmonic equation. (proposed by bangerth; merged)
#9096: cleanup typedefs in DataOut (proposed by tamiko; merged)
#9075: Get set particle positions (proposed by luca-heltai; merged)
#9007: Add copy_triangulation to parallel::fullydistributed::Triangulation (proposed by peterrum; merged)
And this is a list of recently opened or closed discussions:
#9406 [Step-20] Reorganise prior tutorial contents since the input dependency for step-20 is incorrect/incomplete (opened)
#9405 Post-function in matrix-free cell_loop() is not executed correctly when not using AdditionalData::none (opened)
#9396 [Step-7] Violation of the philosophy of multiplying the test function from the left (opened and closed)
#9395 [Step-7] Improve/Clarify the introduction to the Helmholtz equation (opened and closed)
#9392 Documentation issues in VectorTools::NormType (opened and closed)
#9390 Refactor TriangulationDescription::Description (opened)
#9386 Improve "Possibilities for extension" of Step-7: discuss the method of manufactured solutions, use automatic differentiation for obtaining the source term, consistent initial and boundary conditions (opened)
#9383 Redundancy persists in tutorial DAG code-gallery edges (opened and closed)
#9378 In tutorials, mismatch between legend colour/shading and DAG nodes for code-gallery (opened and closed)
#9377 Remove connection between categories in legend for the tutorials DAG (opened and closed)
#9374 Steps 47, 58, 66-70 are missing? (opened and closed)
#9369 Native smoothing of grids respecting Manifolds (opened)
#9368 /contrib/utilties/indent script is broken for latest update of GNU sed (opened and closed)
#9363 Improve the documentation of ConsensusAlgorithm (opened)
#9361 Step-10 tutorial suddenly introduces Utilities::to_string without explanation (or comparison with std::string) (opened and closed)
#9358 [Step-10] Incomplete/incorrect input dependency in the tutorial dot diagram/DAG graph (opened and closed)
#9357 Weird doxygen behaviour for Step-10 documentation direct link to Plain Program in the browser (opened and closed)
#9356 [Step-10] Potentially need a documentation line explaining why the header file fe_nothing was introduced (opened and closed)
#9355 Potentially incomplete documentation for ConvergenceTable add_value() example (opened)
#9354 Use a consistent way to cite/reference papers in documentation (either inline full-text or bibtex cite keys) (opened and closed)
#9353 Possibility to account for material_id during p::fd::t creation (opened)
#9350 [Possible bug?] Conflict in the documentation of the different mapping classes (opened and closed)
#9349 [Step-49] Unclear documentation "using an object of class having an operator()" for GridTools::Transform (opened and closed)
#9347 Generalize Matrixfree::get_cell_iterator() (opened)
#9341 [Step-10] Remove long double from example step and improve discussion of round-off errors (opened)
#9338 Facilities to compute "goodness" of a mesh (i.e. a mesh-quality indicator) (opened and closed)
#9336 [Step-49 tutorial] Conflicting advice about unstructured mesh (random perturbations) (opened and closed)
#9334 [Step-49] Unclear wording on the Transform Operation used (opened and closed)
#9325 [Step-49] Consider including Gmsh's C++ API features (in addition to or replacing .geo file)? (opened and closed)
#9324 [Step-49] Documentation review: Gmsh capabilities need update? (opened and closed)
#9322 Incorrect pattern with one version of make_flux_sparsity_pattern (opened and closed)
#9319 Improve the example codes in the documentation module/glossary entry for boundary indicator id and manifold_id (opened)
#9299 Issue a sane error message when crashing for three-dimensional svg write attempts (closed)
#9296 [possible bug?] GridGenerator::hyper_ball does not produce circular edges at the boundary (closed)
#9279 URL links on the news page of dealii.org website do not work (closed)
A list of all major changes since the last release can be found at this website.
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