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| The '''Bhatnagar–Gross–Krook operator''' (abbreviated '''BGK operator''') term refers to a collision [[operator (mathematics)|operator]] used in the [[Boltzmann Equation]] and in the [[Lattice Boltzmann methods|Lattice Boltzmann method]], a [[Computational fluid dynamics]] technique. It is given by the following formula: | | The title of the writer is Numbers but it's not the most masucline name out there. To gather coins is what her family members and her enjoy. Puerto Rico is exactly where he and his wife reside. I am a meter reader.<br><br>Look into my homepage :: [http://faculty.jonahmancini.com/groups/solid-advice-for-dealing-with-a-candida-albicans/members/ home std test kit] |
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| :<math>\Omega_i=-\tau^{-1}(n_i-n_i^{EQ})</math>
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| where <math>n_i^{EQ}</math> is a local equilibrium value for the population of particles in the direction of link <math>\mathbf{e}_i</math> The term <math>\tau</math> is a relaxation time, and related to the viscosity. | |
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| The operator is named after [[Prabhu Lal Bhatnagar|Prabhu L. Bhatnagar]], [[Eugene P. Gross]], and [[Max Krook]], the three scientists who introduced it in a paper in [[Physical Review]] in 1954.<ref>
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| {{cite journal
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| |author=P.L. Bhatnagar, E.P. Gross, M. Krook
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| |year=1954
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| |title=A Model for Collision Processes in Gases. I. Small Amplitude Processes in Charged and Neutral One-Component Systems
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| |journal=[[Physical Review]]
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| |volume=94 |pages=511–525
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| |doi=10.1103/PhysRev.94.511
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| |bibcode=1954PhRv...94..511B
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| |issue=3
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| }}</ref>
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| ==References==
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| {{reflist}}
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| *{{cite book
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| |author=S. Succi
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| |year=2001
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| |title=The Lattice Boltzmann Equation for Fluid Dynamics and Beyond
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| |publisher=[[Oxford University Press]]
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| |isbn=978-0-19-850398-9
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| }}
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| {{DEFAULTSORT:Bhatnagar-Gross-Krook operator}}
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| [[Category:Statistical mechanics]]
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| [[Category:Computational fluid dynamics]]
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| {{fluiddynamics-stub}}
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Latest revision as of 16:19, 11 March 2014
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