Efficient estimation of extreme non-linear roll motions using the first-order reliability method (FORM)
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چکیده
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Monte Carlo simulation (MCS) is a useful tool for computation of probability of failure in reliability analysis. However, the large number of samples, often required for acceptable accuracy, makes it time-consuming. Importance sampling is a method on the basis of MCS which has been proposed to reduce the computational time of MCS. In this paper, a new adaptive importance sampling-based algorith...
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1. Abstract Reliability Based Design Optimization (RBDO) aims to design systems that are both reliable and a good approximation of the optimal system. The conventional RBDO method involves the evaluation of reliability constraints by using the First-Order Reliability Method (FORM) to obtain a reliability index for each constraint. The Performance Measure Approach (PMA), especially the Advanced ...
متن کاملConvergence analysis of first order reliability method using chaos theory
First order reliability method (FORM) for the computation of reliability index has been used widely because of its advantages of the efficiency and effectiveness as well simplicity for many years. There exists the phenomenon of convergent failure in the FORM in calculating the reliability index iteratively for some limit state functions, for which the essential factor is investigated using chao...
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ژورنال
عنوان ژورنال: Journal of Marine Science and Technology
سال: 2007
ISSN: 0948-4280,1437-8213
DOI: 10.1007/s00773-007-0243-z