Generation of the Maxwellian inflow distribution

Authors:
Alejandro L. Garcia;Wolfgang Wagner
Affiliations:
Department of Physics, San Jose State University, San Jose, CA;Weierstrass Institute for Applied Analysis and Stochastics, Berlin, Germany
Venue:
Journal of Computational Physics
Year:
2006

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Abstract

This paper presents several efficient, exact acceptance-rejection methods for generating the Maxwellian inflow distribution, the velocity distribution of gas molecules crossing a plane. The new methods are demonstrated to be computationally faster and more accurate than the schemes commonly used for open boundary conditions in particle simulations.