Application of fast methods for acoustic scattering and radiation problems

被引：46

作者：

Schneider, S ^{[1
]}

机构：

[1] Tech Univ Dresden, D-01062 Dresden, Germany

来源：

JOURNAL OF COMPUTATIONAL ACOUSTICS | 2003年 / 11卷 / 03期

关键词：

fast boundary element methods; multilevel fast multipole method; regular grid method;

D O I：

10.1142/S0218396X03002012

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Our work is devoted to the solution of large scale (kl = 10... 100pi) three dimensional radiation and scattering problems covered by the time harmonic Helmholtz equation. We present an application of the Regular Grid Method and Multilevel Fast Multipole Method to acoustic scattering problems. These methods lead to a memory requirement of O(N) that enables us to solve scattering or radiation problems with several ten-thousands of unknowns. In a computational examples we show the efficiency of these methods.

引用

页码：387 / 401

页数：15

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