Title :
Resonant frequency analysis of reentrant resonant cavity applicator by using FEM and FD-TD method
Author :
Kanai, Yasushi ; Tsukamoto, Toshio ; Miyakawa, Michio ; Kashiwa, Tatsuya
Author_Institution :
Dept. of Biocybernetics, Niigata Univ., Japan
fDate :
7/1/2000 12:00:00 AM
Abstract :
A reentrant resonant cavity applicator is analyzed as a generalized eigenvalue problem by using the finite element method (FEM) with edge elements. The subspace iteration method is used to solve for selected eigenvalues. The resonant frequencies obtained are in good agreement with both the measured values and with the ones obtained using the finite-difference time-domain (FD-TD) method. Computation time and the amount of memory required are also discussed
Keywords :
cavity resonators; eigenvalues and eigenfunctions; finite difference time-domain analysis; finite element analysis; hyperthermia; iterative methods; microwave heating; eigenvalue problem; finite difference time domain method; finite element method; hyperthermic cancer therapy; reentrant resonant cavity applicator; resonant frequency; subspace iteration method; Applicators; Eigenvalues and eigenfunctions; Finite difference methods; Finite element methods; Frequency measurement; Imaging phantoms; Large-scale systems; Resonance; Resonant frequency; Time domain analysis;
Journal_Title :
Magnetics, IEEE Transactions on
