桂林电子科技大学学报Issue(4)：330-333,4.
基于有限元离散二维 Helmholtz外问题的快速求解方法
A fast numerical method for two-dimensional exterior Helmholtz problem based on the finite element discrete
摘要
Abstract
In view of two-dimensional exterior Helmholtz problem,a fast algorithm based on the finite element discrete is put forward.By using fast Fourier transform and LU decomposition,the discrete equation corresponding to Helmholtz equation is converted to a smaller interface equation.The solution of the equation is obtained finally by the pretreatment method.关键词
Helmholtz问题/有限元/快速傅里叶变换/预处理Key words
Helmholtz problem/finite element/fast Fourier transform/pretreatment分类
数理科学引用本文复制引用
田苏丽,李郴良,莫金衡..基于有限元离散二维 Helmholtz外问题的快速求解方法[J].桂林电子科技大学学报,2014,(4):330-333,4.基金项目
国家自然科学基金(11161014,11161020) （11161014,11161020）
