Hello everyone! This is deal.II newsletter #80. 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: #8272: Fixed doi for step-60 (proposed by GivAlz) https://github.com/dealii/dealii/pull/8272 #8269: Add tests for gmsh-4.3 (proposed by masterleinad) https://github.com/dealii/dealii/pull/8269 #8267: [9.1] Take over #8265 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8267 #8266: Add support for msh 4.1 (proposed by luca-heltai) https://github.com/dealii/dealii/pull/8266 #8265: Allow for gmsh mesh format 4.1 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/8265 #8264: [9.1] Take over #8263 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8264 #8263: sacado: fix test concurrency (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8263 #8262: Interpolation function extended to work with FE_Bernstein elements (proposed by anates) https://github.com/dealii/dealii/pull/8262 #8261: [master] Take over #8260 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8261 #8260: [9.1] Cleanup documentation: find_common_subspace() (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/8260 #8259: [9.1] Take over #8256 (proposed by drwells; merged) https://github.com/dealii/dealii/pull/8259 #8258: [9.1] Take over #8257 (proposed by drwells; merged) https://github.com/dealii/dealii/pull/8258 #8257: Add two brief class descriptions. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/8257 #8256: Update 9.1 changes (proposed by drwells; merged) https://github.com/dealii/dealii/pull/8256 #8254: [9.1] Take over #8247 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8254 #8253: [9.1] Take over #8246 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8253 #8252: [9.1] Take over #8238 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8252 #8251: [9.1] Take over #8236 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8251 #8250: [9.1] Take over #8225 and #8235 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8250 #8249: [9.1] Take over #8234 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8249 #8248: [9.1] Take over step-64 changes (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/8248 #8247: Fix a dependency between tutorial programs. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8247 #8246: Change CUDAWrappers::MatrixFree::point_type to Point (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/8246 #8244: Step-64 also depends on step-40. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8244 #8243: Update the results section of step-64. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8243 #8242: Rework the first part of step-64. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8242 #8239: Update a comment in the doxygen options file. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8239 #8238: Mention step-61 in the introduction of step-51. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8238 #8237: Update the introduction to step-64. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8237 #8236: Fix the dependencies of step-61. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8236 #8235: step-63 documention follow-up (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8235 #8234: clarify a comment (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8234 #8233: [9.1] Take over #8228 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8233 #8232: [9.1] Take over #8204 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8232 #8231: [9.1] Take over #8230 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8231 #8230: Disable two ADOL-C tests in release configuration (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8230 #8229: step-66: a nonlinear, parallel matrix-free example [WIP] (proposed by tjhei) https://github.com/dealii/dealii/pull/8229 #8228: Updates to the step-63 results section. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8228 #8227: [9.1] Take over #8224 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/8227 #8226: Updates to the step-63 program. (proposed by bangerth) https://github.com/dealii/dealii/pull/8226 #8225: Updates to the step-63 introduction. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8225 #8224: gcc-9 variant for general_data_storage_01 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/8224 #8220: [9.1] Take over #8218 (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/8220 #8218: Move changelog entry to proper file (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/8218 #8217: [9.1] Take over #8191 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8217 #8216: [9.1] Take over #8208 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8216 #8215: [9.1] Take over #8202 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8215 #8214: [9.1] Take over #8201 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8214 #8213: [9.1] Take over #8186 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8213 #8212: doxygen: use coloneq in tutorials (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8212 #8211: [9.1] Take over #8200 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8211 #8210: [9.1] Take over #8209 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/8210 #8209: Add vector_adaptor_02 Trilinos-12.14.1 variant (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/8209 #8208: step-63 typo and add some tutorial keywords (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8208 #8207: move changelog entry for step-63 (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8207 #8205: Remove doxygen format from a comment block (proposed by jppelteret; merged) https://github.com/dealii/dealii/pull/8205 #8204: Minor updates to the AD page. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8204 #8202: fix doxygen @name tags (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8202 #8201: clang-format: do not break @name lines (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8201 #8200: CMake: Add a safeguard that disables ADOL-C in case SEACASChaco is enabled (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8200 #8199: [9.1] take over #8195 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8199 #8197: Improve GridGenerator::torus, volume case (dim=3) (proposed by kronbichler) https://github.com/dealii/dealii/pull/8197 #8196: WIP: Integration of Mesquite mesh smoother (+ Verdict quality assessor) (proposed by jppelteret) https://github.com/dealii/dealii/pull/8196 #8195: Fix documentation in ScratchData (proposed by jppelteret; merged) https://github.com/dealii/dealii/pull/8195 #8193: Fix a typo. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/8193 #8191: Make TransfiniteInterpolationManifold more robust (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/8191 #8190: [9.1] Take over #8188 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/8190 #8189: Updated boost::unordered_map/set to std library (proposed by adam4130; merged) https://github.com/dealii/dealii/pull/8189 #8188: undeprecate get_mg_dof_indices (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/8188 #8187: Fix bug in tutorial step-46 (proposed by starki0815) https://github.com/dealii/dealii/pull/8187 ## And this is a list of recently opened or closed discussions: #8274: Linking warning when building the deal.II dmg package (opened) https://github.com/dealii/dealii/issues/8274 #8273: C2 continuity (opened) https://github.com/dealii/dealii/issues/8273 #8271: [Homepage] Update Survey results from 2016 (opened) https://github.com/dealii/dealii/issues/8271 #8270: [Homepage] https://www.dealii.org/ideas.html (opened) https://github.com/dealii/dealii/issues/8270 #8268: Packing and unpacking of `FullMatrix` into `std::vector` (opened) https://github.com/dealii/dealii/issues/8268 #8255: hp::FECollection::find_common_subspace still in docs (opened and closed) https://github.com/dealii/dealii/issues/8255 #8245: GMSH-4.3 msh compatibility (Mesh format 4.1) (opened and closed) https://github.com/dealii/dealii/issues/8245 #8241: step-64: Unclear variable name (opened and closed) https://github.com/dealii/dealii/issues/8241 #8240: CUDAWrappers::MatrixFree::point_type (opened and closed) https://github.com/dealii/dealii/issues/8240 #8223: step-63: Explain the relaxation factor (opened) https://github.com/dealii/dealii/issues/8223 #8222: step-63: Random shuffle is unnecessarily complicated (opened) https://github.com/dealii/dealii/issues/8222 #8221: step-63: create_downstream_cell_ordering() only works on uniformly refined meshes (opened) https://github.com/dealii/dealii/issues/8221 #8219: Redo tutorial images (opened) https://github.com/dealii/dealii/issues/8219 #8206: create GridGenerator images (opened) https://github.com/dealii/dealii/issues/8206 #8203: doxygen: symengine doxygen blurb not visible (opened and closed) https://github.com/dealii/dealii/issues/8203 #8198: GridGenerator::hyper_ball: Do we want alternative variant? (opened) https://github.com/dealii/dealii/issues/8198 #8194: Make ScratchData compatible with ADHelpers (opened) https://github.com/dealii/dealii/issues/8194 #8192: ScratchData: Doxygen section tags leaking into documentation (opened and closed) https://github.com/dealii/dealii/issues/8192 #8170: 9.1 Testsuite status (closed) https://github.com/dealii/dealii/issues/8170 #8162: Use std::unordered_{set,map} (closed) https://github.com/dealii/dealii/issues/8162 #7887: get_mg_dof_indices is deprecated? (closed) https://github.com/dealii/dealii/issues/7887 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 [email protected], or by opening issues or pull requests at https://www.github.com/dealii/dealii. 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