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A Selective MC Simulation Technique for Nonlinear Structural Reliability Assessment

by H. J. Pradlwarter, Univ of Innsbruck, Innsbruck, Austria,



Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability

Abstract:

A selective Monte Carlo simulation (MCS) procedure for the evaluation of the reliability of nonlinear structures subjected to dynamic random loading is presented. The proposed 'double and clump' procedure allows the generation of important low probability samples in nonlinear dynamics. This procedure, similar to Importance Sampling, is quite efficient in comparison to straightforward MCS and allows the evaluation of the nonlinear stochastic response in the very low probability domain, which makes the estimation of probabilities of failure pf < 10^-6 by MCS feasible.

Subject Headings: Structural reliability | Dynamic loads | Probability | Structural analysis | Monte Carlo method | Structural dynamics | Nonlinear response

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