Title :
A second-order accurate method to a time domain analysis of wave propagation in an irregular mesh
Author :
Choi, Kyung ; Salon, S.J. ; Conner, K.A. ; Jung, H.K. ; Hahn, S.Y.
Author_Institution :
Dept. of Electron. Eng., Kangwon Nat. Univ., Chunchon, South Korea
fDate :
5/1/1996 12:00:00 AM
Abstract :
An implementation of a 2nd-order accurate technique to the general time-domain finite-element algorithm is presented for the analysis of microwave propagation. The 2nd-order accurate method can be easily obtained by using Taylor series expansion to the time derivative and added to a general mesh leap-frog scheme without additional computing efforts. Test results reveal that this algorithm is effective in reducing the dispersive errors of the irregular meshes. The TE10 mode step pulse, propagating in a rectangular waveguide is analyzed on a regular mesh
Keywords :
finite difference time-domain analysis; microwave devices; microwave propagation; series (mathematics); waveguide theory; 2nd-order accurate technique; TE10 mode step pulse; Taylor series expansion; dispersive errors reduction; irregular mesh; mesh leap-frog scheme; microwave propagation; rectangular waveguide; second-order accurate method; test results; time derivative; time domain analysis; time-domain finite-element algorithm; wave propagation; Algorithm design and analysis; Dispersion; Finite element methods; Microwave propagation; Microwave theory and techniques; Rectangular waveguides; Taylor series; Tellurium; Testing; Time domain analysis;
Journal_Title :
Magnetics, IEEE Transactions on
