Vlasov simulations on an adaptive phase-space grid

M. Gutnic; M. Haefele; I. Paun; E. Sonnendrücker

doi:10.1016/j.cpc.2004.06.073

Vlasov simulations on an adaptive phase-space grid

M. Gutnic, M. Haefele, I. Paun, E. Sonnendrücker

Publikation: Beitrag in Fachzeitschrift › Konferenzartikel › Begutachtung

42 Zitate (Scopus)

Abstract

We introduce here a new method for the numerical resolution of the Vlasov equation on a phase space grid using an adaptive semi-Lagrangian method. The adaptivity is obtained through a multiresolution analysis which enables to keep or remove grid points from the simulation depending on the size of their associated coefficients in a multiresolution expansion. The adaptive algorithm consists in three steps: prediction of the active grid points at the next time step, the usual semi-Lagrangian algorithm, and a compression allowing to eliminate unnecessary grid points.

Originalsprache	Englisch
Seiten (von - bis)	214-219
Seitenumfang	6
Fachzeitschrift	Computer Physics Communications
Jahrgang	164
Ausgabenummer	1-3
DOIs	https://doi.org/10.1016/j.cpc.2004.06.073
Publikationsstatus	Veröffentlicht - 1 Dez. 2004
Extern publiziert	Ja
Veranstaltung	Proceedings of the 18th International Conference - Falmouth, USA/Vereinigte Staaten Dauer: 7 Sept. 2003 → 10 Sept. 2003

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10.1016/j.cpc.2004.06.073

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title = "Vlasov simulations on an adaptive phase-space grid",

abstract = "We introduce here a new method for the numerical resolution of the Vlasov equation on a phase space grid using an adaptive semi-Lagrangian method. The adaptivity is obtained through a multiresolution analysis which enables to keep or remove grid points from the simulation depending on the size of their associated coefficients in a multiresolution expansion. The adaptive algorithm consists in three steps: prediction of the active grid points at the next time step, the usual semi-Lagrangian algorithm, and a compression allowing to eliminate unnecessary grid points.",

keywords = "Adaptive, Beam physics, Multiresolution, Phase-space grid, Plasma physics, Vlasov",

author = "M. Gutnic and M. Haefele and I. Paun and E. Sonnendr{\"u}cker",

note = "Funding Information: This work has been partially supported by Commissariat {\`a} l'{\'E}nergie Atomique, Bruy{\`e}res-Le-Ch{\^a}tel, France. The authors acknowledge helpful discussions with J.-L. Lemaire. ; Proceedings of the 18th International Conference ; Conference date: 07-09-2003 Through 10-09-2003",

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AU - Gutnic, M.

AU - Haefele, M.

AU - Paun, I.

AU - Sonnendrücker, E.

N1 - Funding Information: This work has been partially supported by Commissariat à l'Énergie Atomique, Bruyères-Le-Châtel, France. The authors acknowledge helpful discussions with J.-L. Lemaire.

PY - 2004/12/1

Y1 - 2004/12/1

N2 - We introduce here a new method for the numerical resolution of the Vlasov equation on a phase space grid using an adaptive semi-Lagrangian method. The adaptivity is obtained through a multiresolution analysis which enables to keep or remove grid points from the simulation depending on the size of their associated coefficients in a multiresolution expansion. The adaptive algorithm consists in three steps: prediction of the active grid points at the next time step, the usual semi-Lagrangian algorithm, and a compression allowing to eliminate unnecessary grid points.

AB - We introduce here a new method for the numerical resolution of the Vlasov equation on a phase space grid using an adaptive semi-Lagrangian method. The adaptivity is obtained through a multiresolution analysis which enables to keep or remove grid points from the simulation depending on the size of their associated coefficients in a multiresolution expansion. The adaptive algorithm consists in three steps: prediction of the active grid points at the next time step, the usual semi-Lagrangian algorithm, and a compression allowing to eliminate unnecessary grid points.

KW - Adaptive

KW - Beam physics

KW - Multiresolution

KW - Phase-space grid

KW - Plasma physics

KW - Vlasov

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AN - SCOPUS:10444269517

SN - 0010-4655

VL - 164

SP - 214

EP - 219

JO - Computer Physics Communications

JF - Computer Physics Communications

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T2 - Proceedings of the 18th International Conference

Y2 - 7 September 2003 through 10 September 2003

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Vlasov simulations on an adaptive phase-space grid

Abstract

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