Title :
A multilevel subgridding scheme for two-dimensional finite-difference time-domain method
Author :
Ching-Cheng Chang ; Shyh-Kang Jeng
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
Finite-difference time-domain method (FDTD) has being very popular in solving electromagnetic problems. However, for those that contain small structures or strongly varying fields, very fine meshes have to be used. Since a finer mesh means longer computing time and larger memory, subgridding would be one of the ways to improve the performance of the FDTD method. To expand the power of subgridding, we develop a multilevel subgridding scheme. This new scheme can provide smoother transitions than the conventional one-level subgridding scheme, and achieve better performance.
Keywords :
electromagnetic field theory; finite difference time-domain analysis; 2D FDTD method; electromagnetic problems; fine meshes; finite-difference time-domain method; multilevel subgridding scheme; Boundary conditions; Finite difference methods; Grid computing; Interpolation; Partial differential equations; Power engineering computing; Space exploration; Testing; Time domain analysis; Tree data structures;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2001. IEEE
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-7070-8
DOI :
10.1109/APS.2001.958787
