zone.overlays
Syntax
- i := zone.overlays(z)
Note
- In the description below, the following correspondence is assumed between 3D and 2D analysis:
3D volumes <-> 2D areas
Get the number of overlays available in the zone. This number is typically 1 for triangles and tetrahedrons and 2 for all other elements.
A value of 1 can occur for non-triangular/tetrahedral zones if the zone is deformed sufficiently to cause one overlay to contain a sub-zone with zero or negative volume, or if the zone was deliberately created with one overlay during the
zone cmodel assign
command.A value of 0 means the zone has never had a constitutive model assigned, and therefore internal subzones have never been created.
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