Kinetic force method and two-particle kinetic equation

V. L. Saveliev; S. A. Filko; Shigeru Yonemura

doi:10.1063/1.4902652

Kinetic force method and two-particle kinetic equation

V. L. Saveliev, S. A. Filko, Shigeru Yonemura

Nanoscale Flow Research Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

In the report, the algorithm of the Kinetic Force Method founded on a kinetic equation for auxiliary two-particle distribution function of quasiparticle pairs is considered. It is known that in the interaction of quasiparticle pairs, energy and momentum are conserved for each individual pair. However, in the course of the numerical simulation of relaxation of the entire ensemble, the energy deficit still appears. In the report, the new algorithm of the Kinetic Force Method is proposed: in this algorithm the energy of a system of molecules is conserved without any additional corrections. Thus, the advantages of modeling on the base of two-particle distribution function of quasiparticle pairs are used more effectively.

Original language	English
Title of host publication	Proceedings of the 29th International Symposium on Rarefied Gas Dynamics, RGD 2014
Editors	Jing Fan
Publisher	American Institute of Physics Inc.
Pages	634-639
Number of pages	6
ISBN (Electronic)	9780735412651
DOIs	https://doi.org/10.1063/1.4902652
Publication status	Published - 2014 Dec 9
Event	29th International Symposium on Rarefied Gas Dynamics, RGD 2014 - Xi'an, China Duration: 2014 Jul 13 → 2014 Jul 18

Publication series

Name	AIP Conference Proceedings
Volume	1628
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	29th International Symposium on Rarefied Gas Dynamics, RGD 2014
Country/Territory	China
City	Xi'an
Period	14/7/13 → 14/7/18

Keywords

Kinetic Force Method
quasiparticle pairs
two-particle distribution function

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.4902652

Cite this

Kinetic force method and two-particle kinetic equation. / Saveliev, V. L.; Filko, S. A.; Yonemura, Shigeru.

Proceedings of the 29th International Symposium on Rarefied Gas Dynamics, RGD 2014. ed. / Jing Fan. American Institute of Physics Inc., 2014. p. 634-639 (AIP Conference Proceedings; Vol. 1628).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Saveliev, VL, Filko, SA & Yonemura, S 2014, Kinetic force method and two-particle kinetic equation. in J Fan (ed.), Proceedings of the 29th International Symposium on Rarefied Gas Dynamics, RGD 2014. AIP Conference Proceedings, vol. 1628, American Institute of Physics Inc., pp. 634-639, 29th International Symposium on Rarefied Gas Dynamics, RGD 2014, Xi'an, China, 14/7/13. https://doi.org/10.1063/1.4902652

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abstract = "In the report, the algorithm of the Kinetic Force Method founded on a kinetic equation for auxiliary two-particle distribution function of quasiparticle pairs is considered. It is known that in the interaction of quasiparticle pairs, energy and momentum are conserved for each individual pair. However, in the course of the numerical simulation of relaxation of the entire ensemble, the energy deficit still appears. In the report, the new algorithm of the Kinetic Force Method is proposed: in this algorithm the energy of a system of molecules is conserved without any additional corrections. Thus, the advantages of modeling on the base of two-particle distribution function of quasiparticle pairs are used more effectively.",

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AU - Filko, S. A.

AU - Yonemura, Shigeru

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N2 - In the report, the algorithm of the Kinetic Force Method founded on a kinetic equation for auxiliary two-particle distribution function of quasiparticle pairs is considered. It is known that in the interaction of quasiparticle pairs, energy and momentum are conserved for each individual pair. However, in the course of the numerical simulation of relaxation of the entire ensemble, the energy deficit still appears. In the report, the new algorithm of the Kinetic Force Method is proposed: in this algorithm the energy of a system of molecules is conserved without any additional corrections. Thus, the advantages of modeling on the base of two-particle distribution function of quasiparticle pairs are used more effectively.

AB - In the report, the algorithm of the Kinetic Force Method founded on a kinetic equation for auxiliary two-particle distribution function of quasiparticle pairs is considered. It is known that in the interaction of quasiparticle pairs, energy and momentum are conserved for each individual pair. However, in the course of the numerical simulation of relaxation of the entire ensemble, the energy deficit still appears. In the report, the new algorithm of the Kinetic Force Method is proposed: in this algorithm the energy of a system of molecules is conserved without any additional corrections. Thus, the advantages of modeling on the base of two-particle distribution function of quasiparticle pairs are used more effectively.

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Kinetic force method and two-particle kinetic equation

Abstract

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Keywords

ASJC Scopus subject areas

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