Tech FileSubmarine Maneuvering Submarine Maneuvering SimulationSimulationMesh resolution on propeller and control surfaces.By Dejan Matic, Bill Clark, Ganesh Venkatesan, CD-adapcohe numerical simulation of sub- The physics-based simulation of a full- to the full length of the submarine. The marine maneuvering is a chal- scale submarine performing maneuvers time scales range from a fraction of the Tlenging problem that has only is an expensive proposition relative to propeller blade passing period to the recently been addressed by technologi- many CFD applications. This is princi- total duration of a maneuver - more if cal advances in commercial Computa- pally due to the wide range of length and several maneuvers are combined in a tional Fluid Dynamics (CFD) software. timescales that must be resolved in order single simulation. These disparities in In this article, we demonstrate how to predict accurately the