Title :
A perfectly matched layer for the 3-D wave equation in the time domain
Author :
Rickard, Yotka ; Georgieva, Natalia ; Huang, Wei-Ping
Author_Institution :
Dept. of Electr. & Comput. Eng., McMaster Univ., Hamilton, Ont., Canada
fDate :
5/1/2002 12:00:00 AM
Abstract :
In this paper, a three-dimensional (3-D) PML for the 3-D scalar wave equation is proposed for applications in practical finite difference time-domain schemes such as the time-domain wave-potential (TDWP) technique and the time-domain scalar wave equation approaches to the analysis of optical waveguides. The theoretical formulation is based on the stretched coordinates approach. It is shown that this PML is suitable for the termination of open problems as well as for port terminations in high-frequency circuit problems. New PML conductivity profile is proposed, which offers lower reflections in a wider frequency band in comparison with the commonly used profiles.
Keywords :
electromagnetic wave absorption; finite difference time-domain analysis; wave equations; waveguide theory; 3D PML; 3D scalar wave equation; FDTD methods; PML ABC; PML conductivity profile; absorbing boundary conditions; finite difference time-domain schemes; high-frequency circuit problems; open problem termination; port terminations; stretched coordinates approach; three-dimensional PML; time-domain scalar wave equation approaches; time-domain wave-potential technique; waveguide problems; Circuits; Conductivity; Finite difference methods; Frequency; Optical reflection; Optical waveguide theory; Optical waveguides; Partial differential equations; Perfectly matched layers; Time domain analysis;
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/7260.1000196
