Exact Nonreflecting Boundary Conditions for Exterior Problems of the Hyperbolic Equation

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2005, Vol. 22 ›› Issue (2): 95-107.

Exact Nonreflecting Boundary Conditions for Exterior Problems of the Hyperbolic Equation

Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China

Received:2004-08-04 Revised:2004-11-23 Online:2005-03-25 Published:2005-03-25
Supported by:
Supported by the NSFC under Grant No. 10401020 and Grant No. 10471073

Abstract

Abstract: An artificial boundary numerical method for the exterior problems of the hyperbolic equation is considered.Three kinds of equivalent exact nonreflecting boundary conditions are derived on a circular artificial boundary.Numerical examples are presented and effectiveness of these artificial boundary conditions is demonstrated.

Key words: exterior problem, unbounded domain, artificial boundary condition, hyperbolic equation, time-dependent

CLC Number:

O175

HAN Hou-de, ZHENG Chun-xiong. Exact Nonreflecting Boundary Conditions for Exterior Problems of the Hyperbolic Equation[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2005, 22(2): 95-107.

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Exact Nonreflecting Boundary Conditions for Exterior Problems of the Hyperbolic Equation

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