Title :
A compact 2-D FDFD method for modeling microstrip structures with nonuniform grids and perfectly matched layer
Author :
Hwang, Jiunn-Nan
Author_Institution :
Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu
Abstract :
Full-wave analysis of the microstrip structures is performed by using the compact two-dimensional (2-D) finite-difference frequency-domain (FDFD) method with nonuniform grids and perfectly matched layer (PML). The use of nonuniform grids can significantly reduce the computational matrix size. Less memory and CPU time are required as comparing with the original compact 2-D FDFD method. For the analysis of the microstrip structures with an absorbing boundary condition, the compact 2-D FDFD method with PML is presented. The performances of different PML thickness are studied. Numerical examples are presented to demonstrate the accuracy and efficiency of this method
Keywords :
finite difference methods; frequency-domain analysis; microstrip components; microstrip lines; transmission line theory; PML; boundary condition; computational matrix; full wave analysis; microstrip structure; nonuniform grids; perfectly matched layer; two-dimensional finite difference frequency domain method; Boundary conditions; Data mining; Equations; Finite difference methods; Grid computing; Microstrip; Perfectly matched layers; Propagation constant; Transmission line matrix methods; Two dimensional displays; Compact two-dimensional (2-D) finite difference frequency domain (FDFD); nonuniform grids; perfectly matched layer (PML);
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.2004.840569
