Multi-Objective Control Method in Structural Displacement Interval Reliability Based on Epsilon Algorithm

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Abstract:

In this article, a kind of structural displacement controlled reliability method was presented. The interval extension of multi-objective control algorithm was applied to control the structural displacement reliability. The method has realized the goal of controlling the multiple static interval reliability indexes by the control of the structural interval parameters. In order to accelerate the speed of the structural reanalysis, the Epsilon algorithm was used in the process of the structural reanalysis when a wide range of modification happened in the interval parameters. This method can both get a satisfactory accuracy, and improve the speed of the reanalysis. Numerical examples show that the method is effective and feasible.

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707-711

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February 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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