Optimal Topology Design of Magnetic Devices Using Level-Set Method
- Authors
- Park, Sang-in; Min, Seungjae
- Issue Date
- Mar-2009
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Finite-element method (FEM); level-set method; magnetic devices; sensitivity analysis; topology optimization
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.45, no.3, pp.1610 - 1613
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 45
- Number
- 3
- Start Page
- 1610
- End Page
- 1613
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/177170
- DOI
- 10.1109/TMAG.2009.2012755
- ISSN
- 0018-9464
- Abstract
- To improve the performance of magnetic devices, it is required to obtain the optimal topology of a structure in magnetic fields. This paper addresses the development of a topology optimization method for design of magnetic devices using a level-set method. The distribution of ferromagnetic material is represented by introducing a level-set function into the definition of the magnetic reluctivity. The optimization problem is defined to obtain optimal configurations that maximize the magnetic energy of magnetic devices under a minimum bound of total volume. Based on the optimization formulation and the level-set method, a new structural optimization algorithm in magnetic fields is constructed that employs the finite-element method when solving the equilibrium equations and updating the level-set function. The advantages of the proposed structural optimization method are illustrated with several 2-D examples for design of magnetic devices.
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