EXACT NONREFLECTING BOUNDARY CONDITIONS FOR AN ACOUSTIC PROBLEM IN THREE DIMENSIONS

查看全文 作　　者：Houde Han Chunxiong Zheng (Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China)

出　　处：《Journal of Computational Mathematics》索引2003年第21卷第1期,共10页

基　　金：This work is supported partly by the Special Funds for Major State Basic Research Projects of China and the National Science Foundation of China. 摘　　要：In this paper,nonreflecting artificial boundary,conditions are considered for an acoustic problem in three dimensions.With the technique of Fourier dexompostition under the orthogonal basis of spherical harmonics,three kinds of equivalemt exact artificial boundary conditions are obtained on a spherical artificail boundary.A numerical test is presented to show the performance of the method. 关键词：声学问题正合无反射边界条件外部问题 Fourier分解数值模拟偏微分方程

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EXACT NONREFLECTING BOUNDARY CONDITIONS FOR AN ACOUSTIC PROBLEM IN THREE DIMENSIONS

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