RANS (Reynolds-Averaged Navier-Stokes)

RANS, or Reynolds-Averaged Navier-Stokes equations, are mathematical equations used in fluid dynamics to describe how fluids like air and water behave. They account for the average effects of turbulence, which is the chaotic and unpredictable movement of fluid particles. Instead of modeling every tiny detail, RANS simplifies the analysis by averaging the fluid's properties over time. This approach helps engineers and scientists predict how fluids flow in a variety of contexts, from designing airplanes to understanding weather patterns, making it a crucial tool in both industry and research.