deal.II Newsletter #249
Rene Gassmoeller
Hello everyone!
This is deal.II newsletter #249.
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:
#15087: Allow template argument deduction in ndarray (proposed by masterleinad)
#15086: All get_mpi_communicator methods now return MPI_Comm by value (proposed by stefanozampini)
#15084: Map boundary to bulk dof iterators. (proposed by luca-heltai)
#15083: Fix some minor typos (proposed by olegrog)
#15082: Minor updates to the NOX solver interfaces. (proposed by bangerth; merged)
#15081: Avoid using include with quotation marks (proposed by masterleinad; merged)
#15079: More gracefully deal with Windoze line endings. (proposed by bangerth)
#15078: Fix some minor typos (proposed by olegrog)
#15075: Avoid use of MPI_COMM_WORLD (proposed by kronbichler; merged)
#15074: Build both focal and jammy images. (proposed by luca-heltai)
#15072: Minor updates to the ndarray documentation. (proposed by bangerth; merged)
#15071: Do not infringe on the compiler's use of names. (proposed by bangerth; merged)
#15068: Fix reference (proposed by peterrum; merged)
#15067: Stefanozampini/tutorials (proposed by stefanozampini)
#15066: PETScWrappers: Add support for ODE solver (proposed by stefanozampini)
#15065: PETScWrappers: Add support for nonlinear solver (proposed by stefanozampini)
#15064: some more info about SLEPc-PETSc misaligned versions (proposed by stefanozampini; merged)
#15063: Improve support for MATNEST (proposed by stefanozampini; merged)
#15062: Remove write_tecplot_binary and related code (proposed by masterleinad; merged)
#15060: Remove docker image with root user. (proposed by marcfehling; merged)
#15059: Optimize FlatManifold::get_new_points (proposed by kronbichler; merged)
#15058: Improve code in QProjector in terms of performance and simplicity (proposed by kronbichler; merged)
#15057: Initialize Quadrature with move argument (proposed by kronbichler; merged)
#15056: PETSc nonlinear solver and ODE integrator (proposed by stefanozampini)
#15055: Add assert (proposed by peterrum; merged)
#15054: Fix a missing bracket in step-34 intro (proposed by simonsticko; merged)
#15053: Fix a typo. (proposed by bangerth; merged)
#15052: Fix malformed @return statements. (proposed by bangerth; merged)
#15051: Return objects by value, rather than via a reference. (proposed by bangerth)
#15050: Optimize insertion of elements into a matrix. (proposed by bangerth; merged)
#15049: Add an assertion. (proposed by bangerth; merged)
#15047: Clarifications in commentary in various places. (proposed by bangerth; merged)
#15046: Add entries to an IndexSet in already-sorted order. (proposed by bangerth; merged)
#15043: Rename a few variables to make their intent clearer. (proposed by bangerth; merged)
#15042: Update documentation in IndexSet for a couple of functions. (proposed by bangerth; merged)
#15041: Don't overallocate memory. (proposed by bangerth; merged)
#15040: Simplify code slightly. (proposed by bangerth; merged)
#15039: More tests (proposed by bangerth; merged)
#15038: Fix FEDomination in FEInterfaceValues and ScratchData. (proposed by marcfehling)
#15037: Replace make_2_cells() with TestGrids::hyper_line(). (proposed by marcfehling; merged)
#15035: Optimize mapping computation in MappingQ (proposed by bergbauer)
#15034: Document minor change that has been introduced in pull request #14983. (proposed by c-p-schmidt; merged)
#15033: Add signed distance function for Zalesak's disk (proposed by mschreter)
#15032: Remove QuickMatrix (proposed by masterleinad; merged)
#15031: Fix FEInterfaceValues::reinit when no dominating FE has been found. (proposed by marcfehling)
#15030: Use American English spelling for 'initialize'. (proposed by bangerth; merged)
#15029: Make fepointevaluation copyable/moveable (proposed by gassmoeller; merged)
#15028: Update the documentation of GridGenerator::extrude_triangulation(). (proposed by bangerth; merged)
#15027: Make step-29 marginally easier to understand. (proposed by bangerth; merged)
#15009: Check whether construct_multigrid_hierarchy is set ealier. (proposed by adamqc; merged)
#15008: Add Functions::SignedDistance::Rectangle (proposed by mschreter; merged)
#15004: Minor doc updates in GridTools. (proposed by bangerth; merged)
#15003: Use Kokkos for data structures in CUDA matrix-free framework (proposed by Rombur; merged)
#14983: Change default `compression_level` of vtu output (proposed by c-p-schmidt; merged)
#14818: step-2: Make program more useful. (proposed by bangerth; merged)
#14791: Improvements to the NOXSolver class documentation (proposed by singima; merged)
#14717: Fix ghost indices handling for PETSc vectors (proposed by stefanozampini; merged)
#14367: Fix documentation misprint, modulus should be norm. (proposed by simonsticko; merged)
And this is a list of recently opened or closed discussions:
#15085 AffineConstraints distribute with Trilinos Vector does not set Dirichlet conditions correctly (opened)
#15080 Fix the spelling of Nicolson (opened)
#15077 vanilla Ubuntu 20.04 linker errors with OpenMPI (opened)
#15076 Cannot install p4est (M1 mac): fortran77 compiler error (opened and closed)
#15073 Check that the code gallery programs compile and run. (opened)
#15070 Avoid the use of MPI_COMM_WORLD in GMRES and MGTransfer (opened)
#15069 Better describe the solver type to SUNDIALS (opened)
#15061 An error occurred reading the comsol mphtxt grid file (opened and closed)
#15048 Optimize insertion into global sparse matrix during assembly (opened)
#15045 tests/petsc/petsc_partitioner_06.mpirun=4.debug fails (opened)
#15044 Sort vertices by the order in which we traverse them (opened)
#15036 Where to put pictures of the documentation? (opened)
#14994 Possible bug when using Multigrid with p::s::Triangulation (closed)
A list of all major changes since the last release can be found at this website.
Thanks for being part of the community!
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Additional information can be found at our official website.