Application of the Finite Pointset Method (FPM) to the kinetic BGK model |
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| Authors: | Maria Kobert Joerg Kuhnert Axel Klar |
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| Affiliation: | 1. Fraunhofer Institut fuer Techno- und Wirtschaftsmathematik (ITWM), Fraunhofer Platz 1, 67663 Kaiserslautern, Germany;2. Fachbereich Mathematik, TU Kaiserslautern, Erwin-Schroedinger-Strasse, 67663 Kaiserslautern, Germany |
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| Abstract: | The BGK model of rarefied gas dynamics [1] is solved numerically by using the Finite Pointset Method (FPM) [2], which is a particle method developed at the ITWM Kaiserslautern. For the implementation a semilagrangian scheme [3] is used. Numerical results are shown on the example of a Shock tube problem for different Knudsen numbers. The solutions are compared to the solutions of exact Euler in the case of small Knudsen numbers and to DSMC solutions for higher Knudsen numbers. (© 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim) |
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