Conference Proceeding

Progress on radiation boundary conditions for electromagnetic finite element analysis

Univ. Stellenbosch, Matieland
10/2007; DOI:10.1109/ICEAA.2007.4387463 pp.952 - 955 In proceeding of: Electromagnetics in Advanced Applications, 2007. ICEAA 2007. International Conference on
Source: IEEE Xplore

ABSTRACT Recent progress on three types of radiation boundary conditions (RBCs) for the finite element method (FEM) is presented. The following RBCs are discussed: a rigorous implementation of the 2nd order Bayliss-Turkel type for vector FEM; an implementation of a spherical perfectly matched layer (PML); and infinite elements. The performance of the 2nd order absorbing boundary condition (ABC) and the spherical PML are compared, both with each other and with the standard 1st order ABC. Implementation issues are addressed. Current work on infinite elements for terminating tetrahedral meshes is outlined.

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Keywords

2nd order absorbing boundary condition
 
2nd order Bayliss-Turkel type
 
ABC
 
following RBCs
 
Implementation issues
 
infinite elements
 
radiation boundary conditions
 
Recent progress
 
rigorous implementation
 
standard 1st order ABC
 
terminating tetrahedral meshes