zone.null

Syntax

b := zone.null(z)

zone.null(z<,bkeep>) = b

Get/set the null state of the zone.

See the zone null command documentation for details of what changes are made to a zone when it is nulled. If the bkeep optional argument is set to true on assignment, then the constitutive model and properties are retained.

Returns:

f - the current zone area

Arguments:

z - a zone pointer