A High-Order Accurate FDTD Scheme for Maxwell's Equations on Overset Grids

被引：0
|
作者：
Angel, Jordan B. [1 ]
Banks, Jeffrey W. [1 ]
Henshaw, William D. [1 ]
机构：
[1] Rensselaer Polytech Inst, Dept Math Sci, Troy, NY 12180 USA
来源：
2018 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM (ACES) | 2018年
关键词：
CHIMERA; FDTD; Maxwell's equations; overset grids; upwind schemes; OVERLAPPING GRIDS; 2ND-ORDER FORM; UPWIND SCHEMES; WAVE-EQUATION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An efficient and high-order accurate finite-difference time-domain (FDTD) scheme for solving Maxwell's equations on overset grids is described. Structured curvilinear boundary-fitted grids are used to accurately represent curved surfaces. These overlap with background Cartesian grids. Maxwell's equations for the electric field in second-order form are solved. Use of novel upwind schemes for the second-order form lead to stable discretization on non-orthogonal and overset grids. Use of structured and Cartesian grids together with high-order accurate approximations leads to a very efficient approach.
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