西南交通大学学报 2009, 44(05) 738-742 DOI:     ISSN: 0258-2724 CN: 51-1277/U

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本文关键词相关文章
ITER重力支撑系统
有限元法
热-力耦合分析
本文作者相关文章
梁尚明
闫喜江
王贤宙
PubMed
Article by LIANG Shangming
Article by YAN Xijiang
Article by WANG Xianzhou

热核实验反应堆重力支撑系统的有限元热-力耦合分析

梁尚明, 闫喜江, 王贤宙

四川大学制造科学与工程学院, 四川, 成都, 610065

摘要

根据热核实验反应堆重力支撑系统的结构特点,提出了重力支撑系统的有限元模型建模方法.应用ANSYS软件,采用单元网格划分法,建立了该重力支撑系统整体三维有限元模型,通过热-力耦合分析,得出热核实验反应堆重力支撑系统在静载荷、热负荷、电磁力和地震载荷同时作用下各零件的最大Tresca应力及其所在位置.零件的强度分析表明:支撑系统各零件的最大应力均小于其相应的许用应力,满足ASME压力容器规范.

关键词 ITER重力支撑系统   有限元法   热-力耦合分析  

Coupled Finite Element Thermal-Mechanical Analysis of Gravity Support System of International Thermonuclear Experimental Reactor

LIANG Shangming, YAN Xijiang, WANG Xianzhou

School of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, China

Abstract:

A method for building the finite element model of the gravity support system of the international thermonuclear experimental reactor (ITER) was put forward according to the structure characteristics of the gravity support system.By this method,a 3D finite element model of the gravity support system was built with ANSYS software using a mesh generation method of high precision and with an acceptable calculation scale.Then,a coupled thermal-mechanical analysis of the gravity support system was carried out,and the maximum Tresca stress and its position in every part of the system were obtained under the combined action of dead weight,thermal load,electromagnetic forces and seismic load.The stress analysis results show that the maximum stresses in all parts of the system are smaller than their respective allowable stress limits,and that the parts have enough mechanical strength to meet the requirements of ASME Pressure Vessel Code-III NF.

Keywords: ITER gravity support system   finite element method   coupled thermal-mechanical analysis  
收稿日期 2008-10-10 修回日期  网络版发布日期  
DOI:
基金项目:

核工业西南物理研究院ITER计划资助项目

通讯作者:
作者简介: 梁尚明(1961- ),男,教授,博士,研究方向为机械设计及理论,电话:028-85406403,E-mail:liangsm6123@163.com

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