Altair Acquires Flow Simulator; an Integrated Flow, Heat Transfer, and Combustion Design Software, from GE Aviation, to Expand into New Industries News provided by Share this article Altair and GE Aviation establish strategic engagement to pursue new opportunities TROY, Mich., Feb. 24, 2021 /PRNewswire/ -- Altair, (Nasdaq: ALTR) a global technology company providing software and cloud solutions in the areas of simulation, high-performance computing (HPC), and artificial intelligence (AI), today announced that it has acquired Flow Simulator from GE Aviation. Flow Simulator is an integrated flow, heat transfer, and combustion design software, which enables mixed fidelity simulations to optimize machine and systems design.