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非高斯荷载作用下结构首次失效时间分析的Monte Carlo模拟方法 被引量：6

MONTE CARLO SIMULATION FOR FIRST FAILURE TIME OF STRUCTURES EXCITED BY NON-GAUSSIAN LOAD
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摘要 利用结构反应的头四阶矩,基于Winterstein变换,模拟非高斯荷载作用下结构的反应过程,并由结构反应过程的样本函数,建立了结构首次失效时间分析的模拟方法。二次力函数激励下线性SDOF系统的首次失效时间分析,说明了该方法的使用过程,并揭示了系统阻尼对首次失效的影响。 Based on the first to fourth moments of structural random responses and Winterstein transformation, structural responses under Non-Gaussian load are simulated. Using sample functions of structural responses, a Mont Carlo simulation method for the first failure time of a structure excited by Non-Gaussian load is presented. An example of the first failure time analysis of a linear SDOF system excited by a quadratic forcing function shows the applicability of the method proposed and reveales the influence of the damping ratio of the system on its first failure.
作者 何军
机构地区 上海交通大学船舶海洋与建筑工程学院土木工程系
出处 《振动与冲击》 EI CSCD 北大核心 2007年第3期59-60,71,共3页 Journal of Vibration and Shock
基金 国家自然科学基金资助项目(No50478017)
关键词 非高斯荷载 结构反应矩 首次失效时间 MONTE CARLO模拟 Non-Gaussian load, structural response moments, first failure time, Monte Carlo Simulation
分类号 P315.052 [天文地球—地震学]
  • 相关文献

参考文献8

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二级参考文献7

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共引文献6

同被引文献38

  • 1甘春标.高斯白噪声激励下拟可积哈密顿系统的可靠性[J].振动与冲击,2006,25(2):145-146. 被引量：5
  • 2何军.结构首次穿越失效研究的新进展[J].地震工程与工程振动,2006,26(5):55-59. 被引量：3
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引证文献6

二级引证文献10

振动与冲击
2007年 第3期

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