Verification of 2D × 2D and two-species Vlasov-Poisson solvers

Abstract : In [18], 1D × 1D two-species Vlasov-Poisson simulations are performed by the semi-Lagrangian method. Thanks to a classical first order dispersion analysis, we are able to check the validity of their simulations; the extension to second order is performed and shown to be relevant for explaining further details. In order to validate multi-dimensional effects, we propose a 2D × 2D single species test problem that has true 2D effects coming from the sole second order dispersion analysis. Finally, we perform, in the same code, full 2D × 2D non linear two-species simulations with mass ratio √ 0.01, and consider the mixing of semi-Lagrangian and Particle-in-Cell methods.
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Contributeur : Michel Mehrenberger <>
Soumis le : mercredi 20 décembre 2017 - 11:47:35
Dernière modification le : mardi 19 juin 2018 - 11:12:07

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  • HAL Id : hal-01668744, version 1

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Yann Barsamian, Joackim Bernier, Sever Hirstoaga, Michel Mehrenberger. Verification of 2D × 2D and two-species Vlasov-Poisson solvers. 2017. 〈hal-01668744〉

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