Numerical Analysis of Electromagneto-Mechanical Coupling Dynamic Response of a Typical Tokomak Structure

LIU Tianyan (刘天彦); YUAN Zhensheng (袁振圣); LI Yong (李勇); CHEN Zhenmao (陈振茂); WU Wenjing (武文晶); PEI Cuixiang (裴翠祥)

doi:10.1088/1009-0630/15/3/12

Plasma Science and Technology > 2013 > 15(3): 252-256. > DOI: 10.1088/1009-0630/15/3/12

LIU Tianyan (刘天彦), YUAN Zhensheng (袁振圣), LI Yong (李勇), CHEN Zhenmao (陈振茂), WU Wenjing (武文晶), PEI Cuixiang (裴翠祥). Numerical Analysis of Electromagneto-Mechanical Coupling Dynamic Response of a Typical Tokomak Structure[J]. Plasma Science and Technology, 2013, 15(3): 252-256. DOI: 10.1088/1009-0630/15/3/12

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Numerical Analysis of Electromagneto-Mechanical Coupling Dynamic Response of a Typical Tokomak Structure

1 State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace, Xi’an Jiaotong University, Xi’an 710049, China 2 Graduate School of Engineering, The University of Tokyo, Tokyo 113-0032, Japan

Funds: supported by National Magnetic Confinement Fusion Science Program of China (No. 2009GB104002), National Natural Science Foundation of China (Nos. 50977070, 11021202 and 51007069) and the National Basic Research Program of China (No. 2011CB610303)

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Received Date: December 19, 2011

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Abstract

Abstract

In an effort to simulate the dynamic behavior of a non-ferromagnetic conducting structure with consideration of the magnetic damping effect, a finite element code is developed, which is based on the reduced vector potential (Ar) method, the step-by-step integration algorithm and a time-partitioned strategy. An additional term is introduced to the conventional governing equations of eddy current problems to take into account the velocity-induced electric field corresponding to the magnetic damping effect. The TEAM-16 benchmark problem is simulated using the proposed method in conjunction with the commercial code ANSYS. The simulation results indicate that the proposed method has better simulation accuracy, especially in the presence of a high-intensity external magnetic field.
- plasma disruption,
- electromagneto-mechanical coupling,
- magnetic damping,
- tokomak structure,
- numerical analysis

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