SOLIDWORKS Flow Simulation SOLIDWORKS® Flow Simulation is a separately purchased product that you can use with SOLIDWORKS Standard, SOLIDWORKS Professional, and SOLIDWORKS Premium. Contents Altitude You can use Altitude to set the atmospheric pressure and temperature. Fan Derating Logical Expressions in Formula Dependency Boundary conditions depend on coordinates, time, and monitor parameters, such as goals. You can define sophisticated dependencies using conditional and Boolean expressions such as IF, AND, OR, XOR, NOT, >, <, and =.