Chasm Consulting PumpSim Premium v2.24 Design, optimise and simulate your pump and liquid reticulation system with Pumpsim™ 3D Pumping Simulation Software. Use Pumpsim™ Software to: Easily construct pump and pipe models in true scale 3D Estimate optimum pipe sizing Model and simulate flow, pressure and pump performance. Import designs and solids from AutoCad (DXF).