On the Finite Element Tearing and Interconnecting Method for Scattering by Large 3D Inhomogeneous Targets | Zendy

MingLin Yang | Zendy; XinQing Sheng | Zendy

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On the Finite Element Tearing and Interconnecting Method for Scattering by Large 3D Inhomogeneous Targets

Author(s) -

MingLin Yang,

XinQing Sheng

Publication year - 2011

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2012/898247

Subject(s) - feti , tearing , domain decomposition methods , finite element method , scattering , convergence (economics) , decomposition , computer science , domain (mathematical analysis) , element (criminal law) , computational science , physics , mathematical analysis , mathematics , mechanical engineering , optics , engineering , political science , law , economics , thermodynamics , economic growth , ecology , biology

The finite element tearing and interconnecting method (FETI) is applied to compute scattering by large 3D inhomogeneous targets. Two algorithms of FETI have been implemented for 3D scattering. The performance of these two FETI algorithms has been investigated in detail, particularly for large inhomogeneous targets. Numerical experiments show that the performance of FETI relies on the style of domain decomposition and inhomogeneity, which has not been carefully studied before. A trick for improving convergence of FETI is presented for inhomogeneous targets

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