Finding Better Solutions to Reduce Computational Effort of Large-Scale Engineering Eddy Current Fields
International Journal of Energy and Power Engineering
Volume 5, Issue 1-1, February 2016, Pages: 12-20
Received: Sep. 10, 2015;
Accepted: Sep. 11, 2015;
Published: Sep. 28, 2015
Views 4050 Downloads 115
Dexin Xie, School of Electrical Engineering, Shenyang University of Technology, Shenyang, China
Zhanxin Zhu, TBEA Shenyang Transformer Co., Ltd., Shenyang, China
Dongyang Wu, School of Electrical Engineering, Shenyang University of Technology, Shenyang, China
Jian Wang, TBEA Shenyang Transformer Co., Ltd., Shenyang, China
In the finite element analysis of the engineering eddy current fields in electrical machines and transformers there are the problems such as the huge scale of computation, too long computing time and poor precision which could not meet the demand of engineering accuracy. The current research situation and difficulties of these problems are analyzed in this paper mainly from the aspect of computation methodology. The methods to deal with these problems, e.g., homogenization models of the laminated iron core, the sub-domain perturbation finite element method, domain decomposition method, and EBE (Element by Element) parallel finite element method are described. Their advantages and limitations are discussed, and the authors’ suggestions for the further research strategies are also included.
Finding Better Solutions to Reduce Computational Effort of Large-Scale Engineering Eddy Current Fields, International Journal of Energy and Power Engineering. Special Issue: Numerical Analysis, Material Modeling and Validation for Magnetic Losses in Electromagnetic Devices.
Vol. 5, No. 1-1,
2016, pp. 12-20.
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