4.6 Article

Stochastic analysis and dynamic reliability of the heavy-haul train-bridge system based on direct probability integral method

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Article Engineering, Mechanical

A unified analysis framework of static and dynamic structural reliabilities based on direct probability integral method

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Summary: This study establishes a unified framework for reliability analysis of both static and dynamic structures based on the direct probability integral method (DPIM). By decoupling the physical mapping of structures and probability density integral equations (PDIE), the DPIM is able to obtain the probability density function (PDF) of performance functions. Two approaches are proposed to overcome the difficulty of evaluating first passage dynamic reliability. The established framework shows desired efficiency and accuracy for unified reliability analysis.

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