struct.shell.stress.valid

Syntax

b = struct.shell.stress.valid(p)

Get the stress validity flag for the element. true indicates that the stresses last calculated at the current depth factor are valid. false indicates that stresses have not been calculated, or that there has been a change that invalidates the last stresses calculated. See the struct.shell.stress function.

Returns:b - the stress validity flag
Arguments:p - a pointer to a shell element