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Electromagneto-thermo-mechanical behaviors of conductive circular plate subject to time-dependent magnetic fields

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Abstract

This paper presents an analysis on electromagneto-thermo-mechanical behaviors of conductive plates, an analytical solution is given for a conductive circular plate in a time-dependent magnetic field by using a T-method of the eddy current which is widely used in the eddy current analysis of conductive and superconductive structures. The solution is expressed in an analytical series form and it is suitable for a circular plate under any arbitrary axisymmetric magnetic fields changing in time. Some interesting results including the eddy current, the increment of temperature, and the electromagneto-thermal stresses are investigated, respectively, in this paper. Some characteristics such as the distribution of temperatures, the in-plane electromagnetic stresses and the dynamic response of the conductive plate are first studied and displayed. This study not only reveals some characteristics on the eddy current, the temperature of the plate, the in-plane electromagnetic thermal stresses and the dynamic responses of the conductive plate which is in a time-dependent magnetic field, but presents a new possible way to simplify the analysis of the electromagnetic coupling problem for conductive structures.

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Authors and Affiliations

  1. Key Laboratory of Mechanics on Western Disaster and Environment, Lanzhou University, 730000, Lanzhou, People’s Republic of China

    Yuanwen Gao & Bang Xu

  2. School of Mechanical, Aerospace and System Engineering, KAIST, Science Town, Daejeon, 307-701, Korea

    Yuanwen Gao & Hoon Huh

Authors
  1. Yuanwen Gao
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  2. Bang Xu
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  3. Hoon Huh
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Correspondence to Yuanwen Gao.

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Gao, Y., Xu, B. & Huh, H. Electromagneto-thermo-mechanical behaviors of conductive circular plate subject to time-dependent magnetic fields. Acta Mech 210, 99–116 (2010). https://doi.org/10.1007/s00707-009-0196-x

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  • DOI: https://doi.org/10.1007/s00707-009-0196-x

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