zone.geom.test
Syntax
- b = zone.geom.test(z)
Test the geometric fitness of a zone. Returns true if the zone is good and false if the zone is bad. A zone is considered to have bad geometry if the zone contains negative or zero volume tetrahedra in its overlays. In addition to excessive large-strain deformation, the following are also causes of bad geometry: not following the gridpoint numbering conventions; or importing an externally generated grid from a grid generator that allows severely distorted zones. This function is useful for tagging and plotting these bad zones.
Returns: b - geometric fitness result true if good, false if bad Arguments: z - pointer to a zone
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