Generating equally weighted test particles from the one-way flux of a drifting Maxwellian

The problem of generating equally weighted test particles from the one way flux of drifting Maxwellian is tackled. This paper extends previous work on the subject by presenting a simple and efficient rejection sampling algorithm together with C++ source files. The properties of the underlying probab...

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Bibliographic Details
Published in:Physica scripta 2015-01, Vol.90 (1), p.15204-7
Main Authors: Makkonen, T, Airila, M I, Kurki-Suonio, T
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Drift
drifting
Fluid flow
Fluids
Flux
injection
Maxwellian
Monte Carlo
Rejection
Sampling
Trace impurities
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Summary:The problem of generating equally weighted test particles from the one way flux of drifting Maxwellian is tackled. This paper extends previous work on the subject by presenting a simple and efficient rejection sampling algorithm together with C++ source files. The properties of the underlying probability distribution function, having the form of a normal distribution times x with positive support, are also disseminated. The method presented in this paper has been successfully used to combine fluid and kinetic models for trace impurity problems in plasma physics.
ISSN:0031-8949
1402-4896
DOI:10.1088/0031-8949/90/1/015204