Rotating Body || SRF || Ansys || FLuent

In Ansys Fluent, to simulate rotating machinery, you have the Multiple Reference Frame (MRF) and Single Reference Frame (SRF) models, and they're all about how they manage rotating reference frames. The MRF model is your go-to when dealing with multiple rotating zones within a simulation. Each of these zones can spin at its own unique angular velocity. It's a steady-state approximation, perfect for cases where the relative motion between rotating and stationary parts is constant over time. No need to mesh or solve for rotating geometry here. On the flip side, the SRF model is ideal for scenarios with a single rotating zone. The entire fluid domain spins at the same angular velocity, making it a simpler steady-state simulation. Think of it like a turbomachine where the entire domain rotates as one solid body. So, MRF handles multiple rotating zones with varying velocities, adding flexibility for complex assemblies, while SRF sticks to a single, solid-body rotation for the entire fluid domain, keeping things simpler. #CFD #MRF #ansysfluent