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Issue:
Fatigue Analysis Method of RCC-M Class 1 Pressure-Retaining Component
Author(s):
ZHANG Guihe
Pages:
54
-
59
Year:
2009
Issue:
z2
Journal:
Nuclear Power Engineering
Keyword:
RCC-M class 1 pressure-retaining component
;
Fatigue analysis
;
Miner linear cumulative damage theory
;
Rain-flow counting method
;
Group 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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