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Content Provider | IET Digital Library |
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Author | Xie, Peng Xu, Li Yin, Jun hui Yang, Zhong hai Li, Bin |
Abstract | In this Letter, a finite element-based domain decomposition method (DDM) with a novel transmission condition (TC) for the computation of electromagnetic or other kinds of fields by splitting the original large domain into several small non-overlapping sub-domains is proposed. The TC is derived from the definition of thermal contact resistance and is then imposed through an interior penalty formulation. The advantage of the proposed DDM is that no extra unknowns are introduced and the system matrix arising from the finite element method will be symmetric and positive definite. A Krylov subspace iterative method, preconditioned conjugate gradient, is adopted for the solution of the matrix equation. To verify the reliability and accuracy of the proposed DDM, both three-dimensional electrostatic and static magnetic models are calculated. In some deeper sense, the proposed DDM can be widely used in other fields of computational electromagnetics. |
Starting Page | 737 |
Ending Page | 739 |
Page Count | 3 |
ISSN | 00135194 |
Volume Number | 55 |
e-ISSN | 1350911X |
Issue Number | Issue 13, Jun (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/el/55/13 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/el.2019.1010 |
Journal | Electronics Letters |
Publisher Date | 2019-05-17 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Advanced Domain Decomposition Method Algebra Computational Electromagnetics Conjugate Gradient Method Contact Resistance Electromagnetic Field Theory Electromagnetic Kinds Electrostatic Field Problem Finite Element Analysis Finite Element Method Finite Element-based Domain Decomposition Method Graph Theory Interpolation And Function Approximation Iterative Method Krylov SubSpace Iterative Method Matrix Algebra Matrix Equation Maxwell Theory: General Mathematical Aspects Numerical Analysis Numerical Approximation And Analysis Preconditioned Conjugate Gradient Set Theory Static Magnetic Field Problem Static Magnetic Model Thermal Contact Resistance Three-dimensional Electrostatic Model |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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