# struct.beam.ydir

Syntax

v := struct.beam.ydir(p) := v

Get/set the $$y$$-axis of the beam element local system. Returns a vector, unless an optional component argument i is supplied, in which case it returns the component value. On assignment will adjust the vector v to be normal to the element direction.

Returns: v - local system $$y$$-axis vector or component v - local system $$y$$-axis vector or component. p - a beam pointer