Title :
The application of PML-FDTD and boundary consistency conditions of total-scattered fields in three dimension cylindrical coordinates
Author :
Hong-xin, ZHANG ; Lu Ying-Hua ; Lu Jian-gang
Author_Institution :
Beijing Univ. of Posts & Telecommun., China
fDate :
Oct. 28 2003-Nov. 1 2003
Abstract :
In this paper, the finite-difference time-domain formation of Maxwell´s equation in perfectly matched layer (PML-FDTD) is deduced in three dimensional (3-D) cylindrical complex stretched coordinates. In order to investigate the scattering characteristics of cylindrical objects by using cylindrical FDTD method, the boundary consistency conditions of total-scattered fields are proposed in 3-D cylindrical complex stretched coordinates, Further, planar wave excitation sources are set on the boundaries by using one dimension (1-D) FDTD and linear interpolation method so as to simulate the propagation of plane (TEM) wave in free space. The far-field scattering patterns of a hollow cylinder are computed when it exited by a TEM wave.
Keywords :
Maxwell equations; electromagnetic wave propagation; electromagnetic wave scattering; finite difference time-domain analysis; interpolation; FDTD method; Maxwell equation; boundary consistency conditions; cylindrical complex stretched coordinates; far-field scattering patterns; finite-difference time-domain formation; hollow cylinder; linear interpolation method; perfectly matched layer; plane wave propagation; scattering characteristics; three dimension cylindrical coordinates; total-scattered fields; Antennas and propagation; Biomedical computing; Circuits; Computational modeling; Electromagnetic modeling; Electromagnetic scattering; Finite difference methods; Interpolation; Maxwell equations; Time domain analysis;
Conference_Titel :
Antennas, Propagation and EM Theory, 2003. Proceedings. 2003 6th International SYmposium on
Conference_Location :
Beijing, China
Print_ISBN :
0-7803-7831-8
DOI :
10.1109/ISAPE.2003.1276783
