Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28151
Title: Adaptive discontinuous galerkin method for transient analysis of eddy current fields in high-speed rotating solid rotors
Authors: Ho, SL 
Zhao, Y
Fu, WN 
Keywords: Adaptive mesh
Discontinuous Galerkin (DG)
eddy-current magnetic field
High-speed rotating
Issue Date: 2014
Source: IEEE Transactions on magnetics, 2014, v. 50, no. 2, 6749014 How to cite?
Journal: IEEE Transactions on Magnetics 
Abstract: For transient finite element analysis of eddy-current fields in solid rotors which have invariant material properties, it is convenient to use the Eulerian formulation where only a fixed mesh is needed when modeling motion effect. However, in the Eulerian formulation, a convection-diffusion equation instead of the pure diffusion equation has to be solved. Furthermore, when the rotor rotates at high speeds, the eddy-current fields usually have sharp transition layers over a period of time, thereby making it difficult to solve these fields accurately and effectively. To obtain a high-resolution numerical solution efficiently, an adaptive discontinuous Galerkin method is proposed and numerical examples are reported to showcase the accuracy and effectiveness of the proposed method.
URI: http://hdl.handle.net/10397/28151
ISSN: 0018-9464
DOI: 10.1109/TMAG.2013.2281061
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