Title :
On the accuracy of the finite-difference method using mesh grading
Author :
Mezzanotte, P. ; Roselli, Luca ; Huber, Claire ; Zscheile, H. ; Heinrich, Wolfgang
Author_Institution :
Perugia Univ., Italy
Abstract :
The coarseness error of the finite-difference method is studied using a typical planar waveguide as a reference. Because of the field singularities involved a graded mesh proves to be superior compared to the equidistant case. A grading strategy with optimum efficiency is presented.<>
Keywords :
electromagnetic field theory; finite difference methods; mesh generation; waveguide theory; coarseness error; field singularities; finite-difference method; grading strategy; mesh grading; optimum efficiency; planar waveguide; Electromagnetic waveguides; Finite difference methods; Finite element methods; Geometry; Impedance; Maxwell equations; Microwave circuits; Microwave theory and techniques; Planar waveguides; Time domain analysis;
Conference_Titel :
Microwave Symposium Digest, 1995., IEEE MTT-S International
Conference_Location :
Orlando, FL, USA
Print_ISBN :
0-7803-2581-8
DOI :
10.1109/MWSYM.1995.405991
