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DSMC Methods for Mu...
DSMC Methods for Multicomponent Plasmas
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- Bobylev, Alexander, 1947- (författare)
- Karlstads universitet,Avdelningen för matematik,Kinetisk teori
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- Potapenko,, Irina F. (författare)
- Keldysh Institute for Applied Mathematics
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- Karpov, Stanislav A. (författare)
- Keldysh Institute for Applied Mathematics
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(creator_code:org_t)
- 1
- New York : American Institute of Physics (AIP), 2012
- 2012
- Engelska.
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Ingår i: DSMC and Related Simulations. - New York : American Institute of Physics (AIP). - 9780735411159 ; , s. 541-548
- Relaterad länk:
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http://proceedings.a...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A general approach to Monte Carlo methods for Coulomb collisions is proposed. Its key idea is an approximation of the Landau-Fokker-Planck equations by the Boltzmann equations of a quasi-Maxwellian kind. This means that the total collision frequency for the corresponding Boltzmann equation does not depend on velocities. This allows one to make the simulation process very simple since the collision pairs can be chosen arbitrarily, without restriction. It is shown that this approach includes (as particular cases) the well-known methods of Takizuka & Abe(1977) and Nanbu(1997) and generalizes the approach of Bobylev & Nanbu(2000). The numerical scheme of this paper is simpler than the schemes by Takizuka & Abe and by Nanbu. We derive it for the general case of multicomponent plasmas
Ämnesord
- NATURVETENSKAP -- Matematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics (hsv//eng)
Nyckelord
- Boltzmann equations
- Coulomb collisions
- Landau-Fokker-Planck equations
- Monte Carlo methods
- Matematik
- Mathematics
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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