Title :
The dispersive behavior of triangular edge elements in the finite-element method
Author :
Warren, G.S. ; Scott, W.R., Jr.
Author_Institution :
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
The numerical dispersion of a time-harmonic plane wave propagating through a number of infinite, two-dimensional, finite-element meshes composed of triangular edge elements is investigated. The numerical dispersion is characterized by a cumulative phase error. The phase error is quantified as a function of the electrical size of the elements, the direction of propagation of the plane wave, and the orientation of the elements.
Keywords :
electromagnetic wave propagation; error analysis; finite element analysis; polynomials; 2D finite-element meshes; cumulative phase error; dispersive behavior; electrical size; elements orientation; finite-element method; numerical dispersion; plane wave propagation; propagation direction; time-harmonic plane wave propagation; triangular edge elements; Dispersion; Finite element methods;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1995. AP-S. Digest
Conference_Location :
Newport Beach, CA, USA
Print_ISBN :
0-7803-2719-5
DOI :
10.1109/APS.1995.529962
