Title :
Nonlinear Simulations of the 10-Moment, Two-Fluid Plasma Model
Author :
Lilly, R. ; Shumlak, U. ; Hakim, A.
Author_Institution :
Washington Univ., Seattle
Abstract :
Summary form only given.The 10-moment, two-fluid plasma model is derived by taking the first three moments of the Vlasov equation. This yields the scalar continuity equation, the momentum equation vector, and the anisotropic pressure tensor for each of the ion and electron fluids. The model is closed by assuming a zero heat flux condition. Two-fluid effects are captured by the momentum equations while the non-isotropic pressure tensor captures finite Larmor radius effects. The 10-moment, two-fluid plasma model is numerically implemented via an approximate Riemann solver employing the finite volume method. Investigations of a self-consistent, non-linear simulation starting from an equilibrium are then conducted. Instability growth rates and behavior are characterized.
Keywords :
Vlasov equation; finite volume methods; heat transfer; plasma instability; plasma simulation; Vlasov equation; anisotropic pressure tensor; approximate Riemann solver; electron fluids; finite Larmor radius effects; finite volume method; instability growth rates; ion fluids; momentum equation vector; nonlinear simulations; scalar continuity equation; two-fluid effects; two-fluid plasma model; zero heat flux; Aerospace simulation; Anisotropic magnetoresistance; Electrons; Finite volume methods; Nonlinear equations; Numerical models; Plasma simulation; Tensile stress; USA Councils;
Conference_Titel :
Plasma Science, 2007. ICOPS 2007. IEEE 34th International Conference on
Conference_Location :
Albuquerque, NM
Print_ISBN :
978-1-4244-0915-0
DOI :
10.1109/PPPS.2007.4346042