Holiday Notice: RISA Headquarters will be closed on Monday, January 20, in observance of Martin Luther King Jr. Day. We will reopen on Tuesday, January 21, at 6:00 am PT.
RISAFloor supports the three fundamental types of diaphragms used in structural analysis: rigid, semi-rigid and flexible. Learn how to consider each of these diaphragm types within the same model and same floor plan.