A class of hybrid finite element methods for electromagnetics: a review

Volakis, John L.; Chatterjee, Arindam; Gong, Jian Ping

doi:10.1163/156939394x00975

Cited by 17 publications

(1 citation statement)

References 49 publications

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“…Another problem of the local methods is that the solution domain has to be bounded which is usually reached by the implementation of approximate local absorbing boundary conditions (ABC) (Givoli 1991;Berenger 1994). Another way t o truncate the solution domain of the local technique is its combination with a surface integral equation formulation resulting in socalled hybrid techniques, where we only want to concentrate on approaches involving the FEM (Volakis et al 1994;Yuan et al 1990;Jin and Volakis 1991;Boyse and Seidl 1994;Eibert and Hansen 1996;Antilla and Alexopou10s 1994;Wu and Michalski 1995;Eibert and Hansen 1995, AP-S). Until now most of such approaches are restricted to free-space problems.…”

Section: T F Elbert and V Hansenmentioning

confidence: 99%

3D FEM/BEM-Hybrid Approach for Planar Layered Media

Eibert

Hansen

1996

Electromagnetics

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A finite element method (FEM)/boundary element method (BEM)-hybrid approach is presented which allows electromagnetic field calculations in planar layered media including three-dimensional inhomogeneous regions. The fields within the inhomogeneities are modeled by the FEM in terms of the electric field strength I ? with edge elements on tetrahedral meshes. Based on Huygens' principle the BEM is formulated with equivalent electric and magnetic surface currents on a surface completely enclosing the inhomogeneous regions. Additionally, ideal conducting objects can be included into the BEM-model. The electric field integral equation (EFIE) for the BEM is formulated as a mixed potential integral equation (MPIE). Applications of the method to field calculations in a microstrip resonator with finite metallization thickness and to the coupling of a cylindrical dielectric resonator to a microstrip line are presented.

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