A Moving Coordinate Numerical Method for Analyses of Electromagneto-Mechanical Coupled Behavior of Structures in a Strong Magnetic Field Aiming at Application to Tokamak Structure

LI Weixin (李炜昕); YUAN Zhensheng (袁振圣); CHEN Zhenmao (陈振茂)

doi:10.1088/1009-0630/16/12/14

Plasma Science and Technology > 2014 > 16(12): 1163-1170. > DOI: 10.1088/1009-0630/16/12/14

LI Weixin (李炜昕), YUAN Zhensheng (袁振圣), CHEN Zhenmao (陈振茂). A Moving Coordinate Numerical Method for Analyses of Electromagneto-Mechanical Coupled Behavior of Structures in a Strong Magnetic Field Aiming at Application to Tokamak Structure[J]. Plasma Science and Technology, 2014, 16(12): 1163-1170. DOI: 10.1088/1009-0630/16/12/14

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A Moving Coordinate Numerical Method for Analyses of Electromagneto-Mechanical Coupled Behavior of Structures in a Strong Magnetic Field Aiming at Application to Tokamak Structure

Funds: supported by National Magnetic Confinement Fusion Program of China (No. 2013GB113005), the National Natural Science Foun- dation of China (Nos. 51277139, 11321062) and the National 973 Program of China (No. 2011CB610303)

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Received Date: December 19, 2013

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Abstract

Abstract

Analysis of the electromagneto-mechanical coupling effect contributes greatly to the high accuracy estimation of the EM load of many EM devices, such as a tokamak structure during plasma disruption. This paper presents a method for the numerical analysis of the electromagneto- mechanical coupling effect on the basis of Maxwell’s equations in the Lagrangian description and staggered load transfer scheme, which can treat the coupled behaviors of magnetic damping and magnetic stiffness effects at the same time. Codes were developed based on the ANSYS development platform and were applied to solve two typical numerical examples: the TEAM Problem 16 and dynamic behavior analysis of a shallow arch under electromagnetic force. The good consistency of numerical results and experimental data demonstrates the validity and accuracy of the proposed method and the related numerical codes.
- plasma disruption,
- induced eddy current,
- electromagnetic loads,
- electro magneto-mechanical coupl,
- lagrangian method

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References (22)

References

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