| 快速疲劳分析方法在核电厂疲劳监测系统中的应用 |
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| 引用本文： | 陈 蓉,刘 新,章贵和.快速疲劳分析方法在核电厂疲劳监测系统中的应用[J].核动力工程,2018,39(6):59-63. |
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| 作者姓名： | 陈 蓉 刘 新 章贵和 |
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| 摘 要： | 疲劳监测系统通过对一回路易发生热疲劳关键管道和设备进行运行参数采集，采用快速疲劳分析方法对被监测管道和设备进行实时疲劳计算，从而获得真实疲劳损伤情况。该快速疲劳分析方法以格林函数法为基础，通过编制计算程序实现热应力和疲劳使用系数的快速计算。通过与有限元分析结果进行比较，验证了该快速疲劳分析方法具有高效、快速、准确的特点。
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| 关 键 词： | 疲劳监测系统 疲劳分析 格林函数法 环境影响疲劳 有限元分析 |
Application of Rapid Fatigue Analysis Method in Fatigue Monitoring System of Nuclear Power Plants |
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| Abstract: | The fatigue monitoring system collects?the operation parameters of the primary loop and equipment prone to?heat fatigue, and fast fatigue analysis method was used to conduct?the real-time fatigue calculation of the pipe and equipment which were monitored,?to obtain the real fatigue damage. The fast fatigue analysis method was based on the Green function method,?and the fast calculation of thermal stress and fatigue coefficient is conducted?by compiling the calculation program. By comparison with the result of finite element analysis, the fast fatigue analysis method is proved to be efficient, fast and accurate. |
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