Exa Corporation develops, sells and supports simulation software and services that manufacturers use in design and engineering processes. The Company focuses primarily on the ground transportation market, including manufacturers in the passenger vehicle, highway truck, off-highway vehicle and train markets, as well as their suppliers. Its core product, PowerFLOW, is a software solution for simulating fluid flow problems, including aerodynamics, thermal management and aeroacoustics, or wind noise. PowerFLOW uses its Digital Physics technology that enables it to predict fluid flows. PowerFLOW directly simulates unpredictable turbulent scales. The PowerFLOW software suite includes the simulation engine and grid generation engine, along with pre- and post-processing software products. Its products include PowerDELTA with PowerCLAY, PowerCASE, PowerTHERM, PowerCOOL, PowerINSIGHT, PowerVIZ, PowerACOUSTICS and ExaCLOUD Simulation Platform.