Hierarchical mixed-order tangential vector finite elements for tetrahedra

Author

Karacolak, Tutku ; Topsakal, Erdem

Author_Institution

Dept. of Electr. & Comput. Eng., Mississippi State Univ., MS, USA

Volume

4A

fYear

2005

fDate

3-8 July 2005

Firstpage

300

Abstract

The finite element method-boundary integral method (FE-BI) is known to be very accurate when analyzing antennas with fine geometrical details. A set of hierarchical mixed-order tangential vector finite elements (TVFE) up to and including order 2.5 is implemented for the tetrahedral elements using an exact FE-BI formulation. A simple patch antenna problem was considered to test the accuracy of the mixed order elements. S₁₁ at the input port is calculated and compared with reference data. The effects of using lower and higher order hierarchical mixed-order TVFE selectively were also investigated.

Keywords

antenna theory; boundary integral equations; finite element analysis; microstrip antennas; finite element method-boundary integral method; hierarchical mixed-order TVFE; patch antenna; tangential vector finite elements; tetrahedral elements; Computational modeling; Current density; Dielectrics; Electronic switching systems; Finite element methods; Integral equations; Magnetic domains; Patch antennas; Surface treatment; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2005 IEEE

Print_ISBN

0-7803-8883-6

Type

conf

DOI

10.1109/APS.2005.1552648

Filename

1552648