期刊
JOURNAL OF COMPUTATIONAL PHYSICS
卷 189, 期 2, 页码 607-625出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S0021-9991(03)00248-1
关键词
FENE dumbbell model; Fokker-Planck equation; spectral methods
In this paper, we introduce a new method for solving efficiently the Fokker-Planck equation arising in the simulation of dilute polymeric solutions. For a two-dimensional FENE (Finitely Extensible Nonlinear Elastic) model, the structure of the Fokker-Planck equation is used to design a fast solver. The resulting equations are discretized with a spectral/spectral element method. Application of the method to flow of a FENE fluid past a confined cylinder demonstrates readily the advantages of the proposed scheme over traditional stochastic simulations. (C) 2003 Elsevier Science B.V. All rights reserved.
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