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Weighted Particles in the Finite Pointset method

  • Using particle methods to solve the Boltzmann equation for rarefied gases numerically, in realistic streaming problems, huge differences in the total number of particles per cell arise. In order to overcome the resulting numerical difficulties the application of a weighted particle concept is well-suited. The underlying idea is to use different particle masses in different cells depending on the macroscopic density of the gas. Discrepance estimates and numerical results are given.

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Author:Michael Schreiner
URN (permanent link):urn:nbn:de:hbz:386-kluedo-6670
Serie (Series number):Berichte der Arbeitsgruppe Technomathematik (AGTM Report) (62)
Document Type:Preprint
Language of publication:English
Year of Completion:1991
Year of Publication:1991
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2000/07/09
Faculties / Organisational entities:Fachbereich Mathematik
DDC-Cassification:5 Naturwissenschaften und Mathematik / 510 Mathematik
Licence (German):Standard gemäß KLUEDO-Leitlinien vor dem 27.05.2011