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Num. Meth. Prog., 2013, Volume 14, Issue 3, Pages 348–356 (Mi vmp122)  

Вычислительные методы и приложения

A modification of the PIC method with adaptive mass: the interaction of a laser pulse and a plasma

T. V. Snytnikovaa, G. I. Dudnikovab, V. A. Vshivkova

a Institute of Computational Mathematics and Mathematical Geophysics (Computing Center), Siberian Branch of the Russian Academy of Sciences, Novosibirsk
b Institute of Computing Technologies, Siberian Branch of the Russian Academy of Sciences, Novosibirsk

Abstract: A modification of the PIC method with adaptive mass is proposed. This modification allows one to change the particle number dynamically without breaking the conservation laws. The mass and charge of model particles decrease with an increase of their number in low density domains, whereas the mass and charge increase in high density domains. Such a redistribution allows one to reduce the noise in low density domains using a relatively small number of model particles. The work was supported by the Russian Foundation for Basic Research (projects 11-01-00178, 11-01-00249, 12-01-00234, and 12-07-00065).

Keywords: PIC method; Vlasov equation; Maxwell equations; dynamical change of particle number.

Full text: PDF file (252 kB)
UDC: 519.63
Received: 28.05.2013

Citation: T. V. Snytnikova, G. I. Dudnikova, V. A. Vshivkov, “A modification of the PIC method with adaptive mass: the interaction of a laser pulse and a plasma”, Num. Meth. Prog., 14:3 (2013), 348–356

Citation in format AMSBIB
\Bibitem{SnyDudVsh13}
\by T.~V.~Snytnikova, G.~I.~Dudnikova, V.~A.~Vshivkov
\paper A modification of the PIC method with adaptive mass: the interaction of a laser pulse and a plasma
\jour Num. Meth. Prog.
\yr 2013
\vol 14
\issue 3
\pages 348--356
\mathnet{http://mi.mathnet.ru/vmp122}


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