用无网格方法求解声波散射问题  

Meshless method for acoustic wave scattering problem

作　　者：王俊杰[1] 戴红兵[1] 

机构地区：[1]思茅师范高等专科学校数学系,云南普洱665000

出　　处：《计算机应用》2009年第B12期399-400,共2页journal of Computer Applications

摘　　要：在均匀介质中,对软表面障碍、时间调和声波散射问题归结为Helmholtz方程的Dirichlet外问题。应用无网格方法求解Helmholtz方程的Dirichlet外问题,并给出了一个数值例子,与Nystrm方法进行了对比,表明该方法是较精确的。The scattering of time-harmonic acoustic waves by sound-soft obstacles leads to the exterior Dirichlet problem in homogeneous medium. The meshless method was used to solve the exterior Dirichlet problem in this paper. The paper presented a numerical result in two-dimension, which shows that the meshless method has good accuracy compared with Nystrom method.

关 键 词：无网格方法 声波散射问题 HELMHOLTZ方程 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]