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ENH: simple detection for collapsed block descriptions

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- switch from default topology merge to point merge if degenerate
  blocks are detected. This should alleviate the problems noted in
  #1862.

  NB: this detection only works for blocks with duplicate vertex
      indices, not ones with geometrically duplicate points.

ENH: add patch block/face summary in blockMesh generation

- add blockMesh -verbose option to override the static or dictionary
  settings.  The -verbose option can be used multiple times to increase
  the verbosity.

ENH: extend hexCell handling with more cellShape-type methods

- allows better reuse in blockMesh.
  Remove blockMesh-local hex edge definitions that shadowed the
  hexCell values.

ENH: simplify some of the block-edge internals
This commit is contained in:
Mark Olesen
2021-11-04 22:55:27 +01:00
parent 5a121119e6
commit e8aa3aad25
36 changed files with 684 additions and 360 deletions
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31
applications/utilities/mesh/generation/blockMesh/blockMesh.C
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@ -6,7 +6,7 @@
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2011-2017 OpenFOAM Foundation
Copyright (C) 2016-2020 OpenCFD Ltd.
Copyright (C) 2016-2021 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@ -96,23 +96,24 @@ int main(int argc, char *argv[])
argList::addNote
(
"Block mesh generator.\n"
" \n"
" The ordering of vertex and face labels within a block as shown "
"below.\n"
" For the local vertex numbering in the sequence 0 to 7:\n"
" Faces 0, 1 (x-direction) are left, right.\n"
" Faces 2, 3 (y-direction) are front, back.\n"
" Faces 4, 5 (z-direction) are bottom, top.\n"
"\n"
" \n"
" 7 ---- 6\n"
" f5 |\\ |\\ f3\n"
" f5 |\\ :\\ f3\n"
" | | 4 ---- 5 \\\n"
" | 3 |--- 2 | \\\n"
" | 3.|....2 | \\\n"
" | \\| \\| f2\n"
" f4 0 ---- 1\n"
" Y Z\n"
" \\ | f0 ------ f1\n"
" \\|\n"
" O--- X\n"
" o--- X\n"
);
argList::noParallel();
@ -129,7 +130,11 @@ int main(int argc, char *argv[])
argList::addBoolOption
(
"write-vtk",
"Write topology as VTK file and exit"
"Write topology as VTU file and exit"
);
argList::addVerboseOption
(
"Force verbose output. (Can be used multiple times)"
);
argList::addBoolOption
@ -170,12 +175,12 @@ int main(int argc, char *argv[])
const bool writeCellSets = args.found("sets");
// Default merge (topology), unless otherwise specified
blockMesh::mergeStrategy strategy(blockMesh::DEFAULT_MERGE);
if (args.found("merge-points"))
{
strategy = blockMesh::MERGE_POINTS;
}
const blockMesh::mergeStrategy strategy =
(
args.found("merge-points")
? blockMesh::MERGE_POINTS
: blockMesh::DEFAULT_MERGE
);
word regionName(polyMesh::defaultRegion);
word regionPath;
@ -216,7 +221,7 @@ int main(int argc, char *argv[])
// Locate appropriate blockMeshDict
#include "findBlockMeshDict.H"
blockMesh blocks(meshDict, regionName, strategy);
blockMesh blocks(meshDict, regionName, strategy, args.verbose());
if (!blocks.valid())
{