强激光与粒子束2018，Vol.30Issue(2)：47-51,5.DOI:10.11884/HPLPB201830.170169
两种电磁场谱间断元方法的比较
Comparison of two discontinuous spectral element methods
摘要
Abstract
This paper is concerned with the comparison of two spectral Discontinuous Galerkin Time-Domain (DGTD) methods for the solution of Maxwell's equations in two-dimensional space.The first scheme is based on the conventional mass-lumping technique,where the same set of points are chosen for both the interpolation base functions and the numerical integration of coefficients.The second scheme is a newly proposed approach,called the Weight-Adjusted discontinuous Galerkin (WADG) method.Several numerical examples are presented to evaluate the performance of the two methods.It is shown that although the two methods need the same storage capacity,the WADG method has higher accuracy.关键词
间断伽辽金算法/Maxwell方程/质量集中/谱方法Key words
discontinuous Galerkin method/Maxwell equations/mass-lumping/spectral method分类
数理科学引用本文复制引用
章阳,王向晖,张杰,王建国,齐红新..两种电磁场谱间断元方法的比较[J].强激光与粒子束,2018,30(2):47-51,5.基金项目
国家自然科学基金项目(31600675,61231003) （31600675,61231003）
