, founded as '''MacNeal-Schwendler Corporation''' by
Richard MacNeal and
Robert Schwendler , is an engineering-software company. The company developed its first program called '''SADSAM''' (Structural Analysis by Digital Simulation of Analog Methods), the forerunner to MSC's flagship program, MSC.
Nastran . The SADSAM program became known as NASTRAN (NASA Structural Analysis Program), one of the first efforts to consolidate structural mechanics into a single computer program.
The company makes other engineering software including the simulation software .
