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Fatigue Analysis Method of RCC-M Class 1 Pressure-Retaining Component
Author(s): 
Pages: 54-59
Year: Issue:  z2
Journal: Nuclear Power Engineering

Keyword:  RCC-M class 1 pressure-retaining componentFatigue analysisMiner linear cumulative damage theoryRain-flow counting methodGroup combination method;
Abstract: 基于Miner线性累积损伤理论和雨流计数法,得到单载荷历程作用下疲劳分析的方法,并根据核一级承压设备的特点和核承压设备分析规范的要求,给出了一种适用于核一级承压设备疲劳分析的方法;结合设备实际运行情况,提出了瞬态分组组合的优化疲劳分析的方法,并给出一个案例.结果表明,瞬态分组组合使疲劳分析与设备实际运行情况更加接近,计算结果更加精确.
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