随机有限元分析定向结晶涡轮叶片在随机压力场中的可靠性
RELIABILITY ANALYSIS OF DIRECTIONAL SOLIDIFICATION BLADE
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摘要: 本文采用随机有限元法和二阶矩Hasofer-Lind方法,分析随机压力场对于定向结晶叶片可靠性的影响。利用有解析表达式的、做为随机量采用Monte-Carlo方法计算可靠性指标,与本文编制的随机有限元程序计算的可靠性指标对比,以验证后者的正确性。Abstract: The stochastic Finite Element Method and Hasofer-Lind Method are adopted to analyse the reliablity influence of stochastic pressure field on the directional solidification blade.This method and program are verified by calculation of the Monte-Carlo Method.
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