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Stokesian Dynamics of Close ParticlesPhysics of Fluids, Vol. 20 (2008), 063102.
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Notes for this article** see chapter III numerical integration for some words/references about numerical problems with lubrication forces and springs, overlapping, hard sphere reflection
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AbstractStokesian dynamics simulations of close particles are reported, taking into account lubrication forces and many-body hydrodynamic interactions between spheres. A periodic trajectory of three particles maintaining a permanent proximity to each other has been found and analyzed. This solution is used as a benchmark to study the accuracy and stability of various numerical integration schemes. In particular, different methods of preventing unphysical overlaps of the particles are considered and potential artifacts discussed. © 2008 American Institute of Physics.
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