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DSMC Modeling of a Single Hot Spot Evolution Using the Landau-Fokker-Planck Equation

Bobylev, Alexander, 1947- (author)
Karlstads universitet,Institutionen för matematik och datavetenskap (from 2013)
Brantov, Andrei (author)
RAS, Lebedev Phys Inst, Moscow 117901, Russia.;Dukhov All Russia Res Inst Automat, Moscow, Russia.
Bychenkov, Valerii (author)
RAS, Lebedev Phys Inst, Moscow 117901, Russia.;Dukhov All Russia Res Inst Automat, Moscow, Russia.
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Karpov, Stanislav (author)
Dukhov All Russia Res Inst Automat, Moscow, Russia.
Potapenko, Irina (author)
Dukhov All Russia Res Inst Automat, Moscow, Russia.;RAS, Keldysh Inst Appl Math, Moscow 117901, Russia.
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 (creator_code:org_t)
2014-05-17
2014
English.
In: Acta Applicandae Mathematicae - An International Survey Journal on Applying Mathematics and Mathematical Applications. - : Springer Science and Business Media LLC. - 0167-8019 .- 1572-9036. ; 132:1, s. 107-116
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Numerical solution of a fully nonlinear one dimensional in space and three dimensional in velocity space electron kinetic equation is presented. Direct Simulation Monte Carlo (DSMC) method used for the nonlinear Landau-Fokker-Planck (LFP) collision operator is combined with Particle-in-Cell (PiC) simulations. An assumption of a self-consistent ambipolar electric field is used. The illustrative simulation results for the relaxation of the initial temperature perturbation are compared with the antecedent analytical and numerical results.

Subject headings

NATURVETENSKAP  -- Matematik (hsv//swe)
NATURAL SCIENCES  -- Mathematics (hsv//eng)

Keyword

Boltzmann kinetic equation
Coulomb collisions
Nonlinear Landau-Fokker-Planck equation
DSMC method
PiC method
Nonlocal heat transport
Matematik
Mathematics

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