The tool removeMeshElements
removes those elements from a given input mesh that fulfills a user specified criterion. The resulting mesh will be written to the specified output file. The user can choose between 4 different removal criteria:
One possible application is to cut out a smaller mesh out of a bigger one either by specifying a bounding box or by marking the inner/outer region with a unique MaterialID using the tool SetPropertiesInPolygonalRegion.
Another application is to cut out patches of a (top) surface (tool ExtractSurface) for assigning boundary conditions.
removeMeshElements -i <input-mesh> -o <output-mesh>
[-n <property_name>] [--int-property-value <number value>] ...
[--element-type <element type>] ...
[--zero-volume] ...
[--x-min <value>] [--x-max <value>] [--y-min <value>] [--y-max <value>] [--z-min <value>] [--z-max <value>] [--invert]
Each particular line with optional arguments refers to one of the different removal criteria mentioned in the general section.
The corresponding element types differ from VTK cell types and can be found in MeshLib/MeshEnums.cpp
.
removeMeshElements -i TestCube-ResetPropertiesInPolygonalRegion.vtu -o TestCube-removeMeshElements.vtu -n MaterialIDs --int-property-value 1 --int-property-value 2 --int-property-value 3
The tool was used to cut the Unstrut catchment out of the Thuringian syncline model and to remove some geological units not necessary for the modeling within the INFLUINS project, see reference [GO2OGS].
This article was written by Thomas Fischer. If you are missing something or you find an error please let us know.
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Last revision: November 12, 2024
Commit: [BL/MPI] Use MPI_COMM_WORLD in reduceMin 4aae83e
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