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ENH: snappyHexMesh: add automatic gap-level detection and refinement

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This commit is contained in:
mattijs
2015-10-28 13:28:32 +00:00
parent df010ec6c0
commit 9dd6a5b003
17 changed files with 2926 additions and 136 deletions
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23
applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C
View File

@ -1075,6 +1075,26 @@ int main(int argc, char *argv[])
<< mesh.time().cpuTimeIncrement() << " s" << nl << endl;
// Optionally read limit shells
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
const dictionary limitDict(refineDict.subOrEmptyDict("limitRegions"));
if (!limitDict.empty())
{
Info<< "Reading limit shells." << endl;
}
shellSurfaces limitShells(allGeometry, limitDict);
if (!limitDict.empty())
{
Info<< "Read refinement shells in = "
<< mesh.time().cpuTimeIncrement() << " s" << nl << endl;
}
// Read feature meshes
// ~~~~~~~~~~~~~~~~~~~
@ -1105,7 +1125,8 @@ int main(int argc, char *argv[])
overwrite, // overwrite mesh files?
surfaces, // for surface intersection refinement
features, // for feature edges/point based refinement
shells // for volume (inside/outside) refinement
shells, // for volume (inside/outside) refinement
limitShells // limit of volume refinement
);
Info<< "Calculated surface intersections in = "
<< mesh.time().cpuTimeIncrement() << " s" << nl << endl;

15
applications/utilities/mesh/generation/snappyHexMesh/snappyHexMeshDict
View File

@ -95,10 +95,10 @@ castellatedMeshControls
// actually be a lot less.
maxGlobalCells 2000000;
// The surface refinement loop might spend lots of iterations refining just a
// few cells. This setting will cause refinement to stop if <= minimumRefine
// are selected for refinement. Note: it will at least do one iteration
// (unless the number of cells to refine is 0)
// The surface refinement loop might spend lots of iterations refining just
// a few cells. This setting will cause refinement to stop if
// <= minimumRefine cells are selected for refinement. Note: it will
// at least do one iteration (unless the number of cells to refine is 0)
minRefinementCells 0;
// Allow a certain level of imbalance during refining
@ -249,6 +249,13 @@ castellatedMeshControls
//}
}
// Limit refinement in geometric region
limitRegions
{
}
// Mesh selection
// ~~~~~~~~~~~~~~