CFD – Computational Fluid Dynamics (en)

Flow simulations are omnipresent in modern development processes and are used to analyse and optimise flow processes of gases and liquids.

Mesh-based CFD (computational fluid dynamics) methods can be used to numerically calculate internal and external flows. This method represents an advanced approach compared to complex empirical procedures such as classic wind tunnel tests. Flow simulations are essential in the early development phase to shorten the time to market.

What is possible?

The following cases can be simulated with the CFD:

  • Gases and liquids (fluids)
  • Steady and unsteady flows
  • Laminar and turbulent flows
  • Compressible and incompressible fluids
  • Newtonian and non-Newtonian fluids
  • Single and multiphase flows
  • Thermal flows
  • Rotating reference systems
  • Subsonic and supersonic
  • Combustion and chemical reactions

In this application, a pickup truck was simulated at a speed of 72 km/h. The results of the analysis show a drag coefficient cw value of 0.332.