Eulerian Vlasov codes |
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Authors: | E Pohn G Kamelander |
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Affiliation: | a Forschungszentrum Seibersdorf, Austria b Institut de Recherche d'Hydro-Québec (IREQ), Varennes, Qué., Canada J3X1S1 |
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Abstract: | Four different Eulerian grid-based Vlasov solvers are discussed, namely a second order method and a fourth order method (symplectic integrator) using cubic splines for interpolation, the CIP (cubic interpolated propagation) method, and an Euler-Lagrange method applying two-dimensional cubic interpolants. The four methods will be presented by outlining their algorithm. The performance of the numerical methods will be compared by numerically solving the Vlasov-Poisson system for the distribution function on a fixed Eulerian grid, for the problem of a two-stream instability in a two-dimensional phase-space. |
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