Title :
A local mesh refinement algorithm for the FDFD method using a polygonal grid
Author :
Klingbell, H. ; Beilenhoff, K. ; Hartnagel, H.L.
Author_Institution :
Inst. fur Hochfrequenztech., Tech. Hochschule Darmstadt, Germany
fDate :
1/1/1996 12:00:00 AM
Abstract :
A local mesh refinement algorithm for the finite-difference method in the frequency domain (FDFD) is presented that is based on polygonal grids. It is applied to a simple test structure for which the propagation parameters were computed with a mode-matching method as a reference. It is shown that the local mesh refinement realized with this polygonal grid significantly improves the accuracy of the propagation constant compared to the conventional FD method based on rectangular meshes
Keywords :
finite difference methods; frequency-domain analysis; mesh generation; waveguide theory; FDFD method; finite-difference method; frequency domain; local mesh refinement algorithm; mode-matching method; polygonal grid; propagation constant; Finite difference methods; Frequency domain analysis; Geometry; Integral equations; Magnetic domains; Magnetic fields; Maxwell equations; Mode matching methods; Propagation constant; Testing;
Journal_Title :
Microwave and Guided Wave Letters, IEEE
