A class of hybrid finite element methods for electromagnetics: a review
作者:
J.L. Volakis,
A. Chatterjee,
J. Gong,
期刊:
Journal of Electromagnetic Waves and Applications
(Taylor Available online 1994)
卷期:
Volume 8,
issue 9-10
页码: 1095-1124
ISSN:0920-5071
年代: 1994
DOI:10.1163/156939394X00975
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Integral equation methods have generally been the workhorse for antenna and scattering computations. In the case of antennas, they continue to be the prominent computational approach, but for scattering applications the requirement for large-scale computations has turned researchers' attention to near neighbor methods such as the finite element method, which has lowO(N)storage requirements and is readily adaptable in modeling complex geometrical features and material inhomogeneities. In this paper, we review three hybrid finite element methods for simulating composite scatterers, conformal microstrip antennas and finite periodic arrays. Specifically, we discuss the finite element method and its application to electromagnetic problems when combined with the boundary integral, absorbing boundary conditions and artificial absorbers for terminating the mesh. Particular attention is given to large-scale simulations, methods and solvers for achieving low memory requirements and code performance on parallel computing architectures.
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