īy 1997, Ansys had grown to $50.5 million in annual revenue. Īnsys went public in 1996, raising about $46 million in an initial public offering. Peter Smith was appointed CEO and SASI was renamed after the software, Ansys, the following year. Swanson sold his majority interest in the company to venture capitalist firm TA Associates. In 1992, SASI acquired Compuflo, which marketed and developed fluid dynamics analysis software. According to The Engineering Design Revolution, the company became 'well-respected' among engineering circles, but remained small. History īy 1991 SASI had 153 employees and $29 million in annual revenue, controlling 10 percent of the market for finite element analysis software. Westinghouse also became the first Ansys user. Westinghouse hired Swanson as a consultant, under the condition that any code he developed for Westinghouse could also be included in the Ansys product line. Swanson developed the initial Ansys software on punch-cards and used a mainframe computer that was rented by the hour. (SASI) the next year, working out of his farmhouse in Pittsburgh. He founded Ansys under the name Swanson Analysis Systems Inc. Westinghouse rejected Swanson's idea to automate FEA by developing general purpose engineering software, so Swanson left the company in 1969 to develop the software on his own. At the time, engineers performed finite element analysis (FEA) by hand.

The idea for Ansys was first conceived by John Swanson while working at the Westinghouse Astronuclear Laboratory in the 1960s.

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