deal.II Newsletter #289

[Rene Gassmoeller]

Hello everyone!

This is deal.II newsletter #289.
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:

#17178: Fix compile warning (proposed by kronbichler; merged)
#17177: Implement new multigrid transfer with MatrixFree infrastructure (proposed by kronbichler)
#17175: Let AffineConstraints::make_consistent_in_parallel() iterate until converged. (proposed by marcfehling)
#17173: Add multi platform docker images. (proposed by luca-heltai; merged)
#17172: Enable matrix-free loops with ArrayView arguments (proposed by kronbichler; merged)
#17171: Bump docker/build-push-action from 5 to 6 (proposed by dependabot[bot]; merged)
#17168: Make some connections between classes. (proposed by bangerth; merged)
#17166: Edit step-89.cc. (proposed by bangerth)
#17165: testing of step-40 to step-49 (proposed by vyushut)
#17164: Fix a typo in documentation (proposed by kronbichler; merged)
#17163: fix tests/examples/step-18 (proposed by tjhei; merged)
#17162: FEFaceEvaluation: Arrange simplices face gradients contiguously (proposed by dominiktassilostill; merged)
#17161: Mark code spans in documentation of is_consistent_in_parallel(). (proposed by marcfehling; merged)
#17159: Fix quad numbers in MatrixFreeTools::compute_matrix() (proposed by nmuch; merged)
#17158: Really minor edit to step-89.cc. (proposed by bangerth; merged)
#17157: Some edits to the documentation of step-89. (proposed by bangerth)
#17153: Capitalize proper names in references. (proposed by bangerth; merged)
#17152: Update the copyright header of step-90. (proposed by bangerth; merged)
#17151: Avoid the use of 'auto' in step-74. (proposed by bangerth; merged)
#17150: Minor cleanup in AffineConstraints::make_consistent_in_parallel(). (proposed by marcfehling; merged)
#17149: MatrixFreeTools::compute_matrix(): specialize assembly of diagonal blocks (proposed by peterrum; merged)
#17147: Make access to GridTools::Cache thread safe. (proposed by bangerth; merged)
#17132: Matrix-free MappingInfo: Update documentation of internal functions (proposed by kronbichler; merged)

And this is a list of recently opened or closed discussions:

#17176 Regression tester regressed 05fa2e (opened)
#17174 Regression tester regressed 5ca243 (opened)
#17170 Regression tester regressed 13379f (opened and closed)
#17169 Regression tester regressed 80c1d0 (opened and closed)
#17167 Regression tester regressed 8be8fa (opened and closed)
#17160 Regression tester regressed 40dcf9 (opened and closed)
#17156 Regression tester regressed e8ec7c (opened and closed)
#17155 Difficult-to-read part in the introduction of step-89. (opened)
#17154 Mistake in formula in step-89? (opened)
#17139 Regression tester regressed 5a8d94 (closed)
#17131 sigabrt in matrixcreator workstream inside VectorTools::project (closed)
#8516 FEFieldFunction is not thread-safe (because GridTools is not threadsafe) (closed)

A list of all major changes since the last release can be found at this website.

Thanks for being part of the community!

Let us know about questions, problems, bugs or just share your experience by writing to this mailing list, or by opening issues or pull requests on Github.
Additional information can be found at our official website.