Title :
A pure scattered-field based FDTD method for scattering problems
Author :
Homsup, N. ; Khongdeach, T.
Author_Institution :
Dept. of Electr. Eng., Kasetsart Univ., Bangkok, Thailand
Abstract :
In this paper, a FDTD method based on a pure scattered-field formulation is introduced to analyze the electromagnetic interaction of a handheld transceiver unit and a human head model in personal communication systems. An orthogonal rectangular grid is used and the computational space domain is terminated using the transparent absorbing boundary. The specific absorption rates in various tissues in a head model are calculated and plotted. The computer program for the FDTD scheme summarized in the paper has been made adequately flexible to accommodate modeling of a wide variety of antenna types and tissue topologies
Keywords :
antennas; biological effects of radiation; biological tissues; electromagnetic wave scattering; finite difference time-domain analysis; mobile radio; transceivers; FDTD method; antenna types; electromagnetic interaction; finite difference time-domain method; handheld transceiver unit; human head model; orthogonal rectangular grid; personal communication systems; pure scattered-field formulation; scattering problems; specific absorption rates; tissue topologies; transparent absorbing boundary; Boundary conditions; Dielectric losses; Electromagnetic scattering; Finite difference methods; Grid computing; Humans; Magnetic fields; Magnetic heads; Maxwell equations; Time domain analysis;
Conference_Titel :
System Theory, 2001. Proceedings of the 33rd Southeastern Symposium on
Conference_Location :
Athens, OH
Print_ISBN :
0-7803-6661-1
DOI :
10.1109/SSST.2001.918514
