Lattice Boltzmann collision operators enforcing isotropy and Galilean invariance

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United States of America Patent

PATENT NO 9576087
SERIAL NO

14829933

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Abstract

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A method comprising: simulating, in a lattice velocity set, movement of particles in a volume of fluid, with the movement causing collision among the particles; based on the simulated movement, determining relative particle velocity of a particle at a particular location within the volume, with the relative particle velocity being a difference between (i) an absolute velocity of the particle at the particular location within the volume and measured under zero flow of the volume, and (ii) a mean velocity of one or more of the particles at the particular location within the volume; and determining, based on the relative particle velocity, a non-equilibrium post-collide distribution function of a specified order that is representative of the collision.

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DASSAULT SYSTEMES AMERICAS CORP175 WYMAN STREET WALTHAM MA 02451

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Hudong Newton, US 40 374
Gopalakrishnan, Pradeep Woburn, US 14 41
Zhang, Raoyang Burlington, US 35 218

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