[deal.II] deal.II Newsletter #196

2022-01-10 Thread 'Rene Gassmoeller' via deal.II User Group
Hello everyone!

This is deal.II newsletter #196.
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:

#13211: Fix a check for zero entries in the lumped mass matrix. (proposed by 
drwells) https://github.com/dealii/dealii/pull/13211

#13210: Added changelog for p4est installation script. (proposed by 
marcfehling; merged) https://github.com/dealii/dealii/pull/13210

#13209: [9.3] Fix setup script for p4est>=2.3. (proposed by marcfehling) 
https://github.com/dealii/dealii/pull/13209

#13207: Cleanups in FETools::extrapolate() (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/13207

#13206: Fix a bug: Don't reuse buffers for MPI_Isend. (proposed by bangerth; 
merged) https://github.com/dealii/dealii/pull/13206

#13204: Remove occurances of /// in source/ (proposed by simonsticko; merged) 
https://github.com/dealii/dealii/pull/13204

#13203: Convert manual references into bibtex ones in step-43. (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/13203

#13202: Faster and simpler search for lost particles (proposed by gassmoeller) 
https://github.com/dealii/dealii/pull/13202

#13201: Do not output the partitioner when pretty-printing Vector objects. 
(proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13201

#13200: Updates to step-10 (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/13200

#13199: Minor edits to the documentation of SparsityPattern. (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/13199

#13198: Be more thoughtful about parallel grain sizes in UMFPACK interfaces. 
(proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13198

#13197: Document the meaning of jump_in/average_of_* in FEInterfaceValues. 
(proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13197

#13196: Add to the documentation of SymmetricTensor::operator*. (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/13196

#13195: Add movie to step-67 tutorial program (proposed by kronbichler; merged) 
https://github.com/dealii/dealii/pull/13195

#13192: Fix manifold copying on lines when converting hexes to tets. (proposed 
by drwells; merged) https://github.com/dealii/dealii/pull/13192

#13191: Simplify initialization of block systems in step-21. (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/13191

#13190: Simplify initialization of block systems in step-20 (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/13190

#13189: Fix symbol confusion in step-52. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/13189

#13188: Document a part of step-43 that confused @tjhei. (proposed by bangerth; 
merged) https://github.com/dealii/dealii/pull/13188

#13187: Fix RemotePointEvalution::marked_vertices for vectors with only false 
(proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13187

#13186: Use better variable names in step-43. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/13186

#13185: Provide some overloads and instantiations (proposed by bangerth; 
merged) https://github.com/dealii/dealii/pull/13185

#13184: Fix serialization of empty SparsityPattern objects (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/13184

#13183: Simplify some code. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/13183

#13182: Add some more index range checks. (proposed by drwells; merged) 
https://github.com/dealii/dealii/pull/13182

#13181: Extend MeshWorker::ScratchData to support hp (proposed by jppelteret) 
https://github.com/dealii/dealii/pull/13181

#13180: [9.3] Boost 1.78 (proposed by drwells; merged) 
https://github.com/dealii/dealii/pull/13180

#13179: OneAPI compatibility: enable oneAPI configuration in CMake, changelog 
(proposed by tamiko) https://github.com/dealii/dealii/pull/13179

#13178: RemotePointEvalution: pass marked_vertices (proposed by peterrum; 
merged) https://github.com/dealii/dealii/pull/13178

#13177: FEPointEvaluation: fix types for multiple components (proposed by 
peterrum; merged) https://github.com/dealii/dealii/pull/13177

#13176: OneAPI compatibility: fix most of the API incompatibilities (proposed 
by tamiko; merged) https://github.com/dealii/dealii/pull/13176

#13175: Add a changelog entry. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/13175

#13174: Update step-44 documentation. (proposed by bangerth; merged) 
https://github.com/dealii/dealii/pull/13174

#13173: VectorTools::point_values(): fix types (proposed by peterrum; merged) 
https://github.com/dealii/dealii/pull/13173

#13172: Use std::string::size() instead of std::string::length(). (proposed by 
bangerth; merged) https://github.com/dealii/dealii/pull/13172

#13170: Add some more tests for iterator filters (proposed by 

[deal.II] Re: Use of DoFRenumbering

2022-01-10 Thread Marc Fehling
Hi

I've found application examples for parallel::distributed::Triangulation in 
our tests. See for example 
https://github.com/dealii/dealii/blob/master/tests/mpi/renumber_cuthill_mckee.cc

As you specifically mentioned step-40, I think this is what you were asking 
for?

Best,
Marc

On Monday, January 10, 2022 at 8:19:39 AM UTC+1 r...@iastate.edu wrote:

> Hello,
>
> I am trying to understand the effective usage of DoFRenumbering. From the 
> examples 
> I have looked at and the pages I have read, I seem to understand that 
> renumbering is recommended. But I do not see it being used in few examples, 
> say step-40. Is there a reason for not renumbering in these cases? I would 
> appreciate any pointers regarding this.
>
> Thanks in advance,
>
> Best,
> Raghunandan.
>

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