Aiming to simulate the dynamical response of a non-ferromagnetic conductive structure in a strong magnetic field, a code of finite element method (FEM) was developed based on the reduced vector potential (Ar) method and a step by step time integration algorithm. The electromagneto-mechanical coupling effect was taken into consideration by adding ν × B term in the eddy current governing equation to calculate the additional electric field induced by the movement of the structure. The hexahedral isoparametric element was adopted in this code in order to simplify the correspondence between the simulation of electromagnetic force and the dynamical response, which enables the application of the code developed by authors to more complicated structures. To verify the validity of the new numerical code, the benchmark problem (TEAM-16) as a simplified model of Tokamak vacuum vessel structure was simulated. By numerical results contrasted between the current code and the ANSYS software, the code was proved to be more effective than typical commercial codes for structural analysis of a magneto-mechanical coupling problem. The simulation results proved that the new code can improve simulation accuracy especially in case of a large external magnetic field. In addition, the magnetic damping effect was also discussed in the paper.
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2013 21st International Conference on Nuclear Engineering
July 29–August 2, 2013
Chengdu, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5582-9
PROCEEDINGS PAPER
Development of Numerical Code for Coupling Dynamical Response of Typical Tokomak Structures Using Volumetric Finite Element
Zhensheng Yuan,
Zhensheng Yuan
Xian Jiaotong University, Xian, China
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Weixin Li,
Weixin Li
Xian Jiaotong University, Xian, China
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Jingyi Xu,
Jingyi Xu
Xian Jiaotong University, Xian, China
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Wenjing Wu,
Wenjing Wu
The University of Tokyo, Tokyo, Japan
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Zhenmao Chen
Zhenmao Chen
Xian Jiaotong University, Xian, China
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Zhensheng Yuan
Xian Jiaotong University, Xian, China
Weixin Li
Xian Jiaotong University, Xian, China
Jingyi Xu
Xian Jiaotong University, Xian, China
Wenjing Wu
The University of Tokyo, Tokyo, Japan
Zhenmao Chen
Xian Jiaotong University, Xian, China
Paper No:
ICONE21-16740, V005T14A019; 5 pages
Published Online:
February 7, 2014
Citation
Yuan, Z, Li, W, Xu, J, Wu, W, & Chen, Z. "Development of Numerical Code for Coupling Dynamical Response of Typical Tokomak Structures Using Volumetric Finite Element." Proceedings of the 2013 21st International Conference on Nuclear Engineering. Volume 5: Fuel Cycle, Radioactive Waste Management and Decommissioning; Reactor Physics and Transport Theory; Nuclear Education, Public Acceptance and Related Issues; Instrumentation and Controls; Fusion Engineering. Chengdu, China. July 29–August 2, 2013. V005T14A019. ASME. https://doi.org/10.1115/ICONE21-16740
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