AN OPEN BOUNDARY CONDITION FOR N.S. EQATIONS

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 1995, Vol. 12 ›› Issue (2): 255-260.

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AN OPEN BOUNDARY CONDITION FOR N.S. EQATIONS

Chen Yaosong, Jiang Tao

Department of Mechanics, Peking University, Beijing 100871

Received:1993-10-16 Online:1995-06-25 Published:1995-06-25

Abstract

Abstract: The design of open boundary condition (OBC) is one of the most challenging problems in the field of nummerical computation for N. S. equation. In this article the perturbation solution of N.S. equation in the region approaching to infinity is taken as the basis for designing the OBC. A testing example proposed by M.philip has been calculated. The results show that the present OBC is superior to all others existing in literature.

Key words: OBC, N.S.equations, eigen-solution

CLC Number:

O357

Chen Yaosong, Jiang Tao. AN OPEN BOUNDARY CONDITION FOR N.S. EQATIONS[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 1995, 12(2): 255-260.

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AN OPEN BOUNDARY CONDITION FOR N.S. EQATIONS

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