Finite element analysis of ITER magnet support structure
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摘要: 磁体支撑结构是国际热核聚变实验反应堆（ITER）的重要部件，对其进行力学特性分析研究是确保整个反应堆正常运行的关键。通过对磁体支撑结构各工况下的强度、刚度的数值分析，给出了磁体支撑结构对应工况下各零部件的应力分布及变形量；分析结果表明磁体支撑结构各零部件的最大应力值均小于许用应力，满足强度要求，各零部件变形合理，不会出现脱开失稳现象。通过数值分析，为国际热核反应堆磁体支撑结构提供了理论设计数据，提升了磁体支撑结构的安全性和可靠性。Abstract: The magnet support structure is an important component of the International Thermonuclear Experimental Reactor (ITER). It is the key to carrying out mechanical characteristic analysis of the magnet support structure to ensure the normal operation for the whole reactor. Through the digital analyzing of strength and stiffness for the magnet support structure under all kinds of conditions, this paper gives the stress distribution and deformation of all parts for such structure under its conditions. The analysis results show all parts' maximum stress value for the magnet support structure is below allowable stress and satisfy strength requirement. The deformation for all parts is reasonable, and displacement and instability phenomena do not happen. By digital analysis, it can provide the theory design data and enhance the safety and reliability of the magnet support structure for the International Thermonuclear Experimental Reactor.
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