Asymptotic Importance Samplingby Marc A. Maes, Queen's Univ, Kingston, Canada,
Karl Breitung, Queen's Univ, Kingston, Canada,
Philippe Geyskens, Queen's Univ, Kingston, Canada,
Abstract: One of the main issues in reliability analysis is the accurate and efficient calculation of the multivariate reliability integral. The Asymptotic Importance Sampling Technique (AIS) selects an importance sampling density, based on theoretical consideration about the structure of the integrand of high reliability systems near its maximum points. The sampling is performed in the original variable space. Due to the asymptotic properties of the sampling density, AIS becomes increasingly efficient for smaller failure probabilities.
Subject Headings: Failure analysis | Integrals | Automatic identification systems | Probability | Structural reliability | System reliability | Integral equations
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