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中文核心期刊
Huang Xinping, Jiang Chao, Han Xu. A TIME-VARIANT RELIABILITY ANALYSIS METHOD FOR NON-LINEAR LIMIT-STATE FUNCTIONS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2014, 46(2): 264-272. DOI: 10.6052/0459-1879-13-190
Citation: Huang Xinping, Jiang Chao, Han Xu. A TIME-VARIANT RELIABILITY ANALYSIS METHOD FOR NON-LINEAR LIMIT-STATE FUNCTIONS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2014, 46(2): 264-272. DOI: 10.6052/0459-1879-13-190

A TIME-VARIANT RELIABILITY ANALYSIS METHOD FOR NON-LINEAR LIMIT-STATE FUNCTIONS

  • Time-variant reliability problems appear in the engineering practice when loads stochastically change or the material properties of the structure deteriorate in time. In this paper, a time-variant structural reliability analysis method for non-linear limit-state function is presented. In this method, the stochastic process in the limit-state function is first discretized. Each discretized limit-state function is linearized at the most probable point (MPP), and it is further simplified into a time-invariant reliability analysis problem which is then solved by using the traditional first order reliability method (FORM). Three numerical examples are analyzed to demonstrate the effectiveness of the present method.
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