An efficient importance sampling approach for reliability analysis of time-variant structures subject to time-dependent stochastic load

• Published in: Mechanical systems and signal processing Vol. 159; p. 107699
• Main Authors: Yuan, Xiukai, Liu, Shaolong, Faes, Matthias, Valdebenito, Marcos.A., Beer, Michael
• Format: Journal Article
• Language: English
• Published: Berlin Elsevier Ltd 01.10.2021; Elsevier BV
• Subjects: Composite limit state functions; Cumulative failure probability; Deterioration; Importance sampling; Limit states; Parameters; Random variables; Reliability analysis; Reliability engineering; Simulation-based method; Stochastic load; Stochastic processes; Structural reliability; Time dependence; Time-variant structure; Time-variant structure; Stochastic load; Cumulative failure probability; Composite limit state functions; Importance sampling; Simulation-based method

•The time-variant reliability problem is transformed into a series system.•An efficient two-step importance sampling function is proposed.•The method only entails a single straightforward simulation without optimization or linearization with respect to parameters.•Examples with explicit and implicit...