A Numerical Method for Simulating Fast-Swimming Motions
A numerical method for the simulation of thin, elastic immersed boundaries in a two-dimensional fluid is introduced. The method is Lagrangian and combines the use of vortices and impulse elements (vortex dipoles). Consequently, it is best suited for applications where the Reynolds number is high. The example presented here is the motion of an undulating filament, simulating the swimming of an organism in a slightly viscous fluid.
Key wordsParticle methods immersed boundaries
AMS(MOS) subject classifications65C20 76D05
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