Abstract
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.
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This paper is presented in honour of the Professor Salvatore Rionero 80th birthday.
The support from RFBR of RAS, G8a for I.F.P. is acknowledged.
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Bobylev, A., Brantov, A., Bychenkov, V. et al. DSMC Modeling of a Single Hot Spot Evolution Using the Landau-Fokker-Planck Equation. Acta Appl Math 132, 107–116 (2014). https://doi.org/10.1007/s10440-014-9940-x
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DOI: https://doi.org/10.1007/s10440-014-9940-x
Keywords
- Boltzmann kinetic equation
- Coulomb collisions
- Nonlinear Landau-Fokker-Planck equation
- DSMC method
- PiC method
- Nonlocal heat transport