Convex models and probabilistic approach of nonlinear fatigue failure

Zhiping Qiu, Qiang Lin and Xiaojun Wang

Chaos, Solitons & Fractals, 2008, vol. 36, issue 1, 129-137

Abstract: This paper is concerned with the nonlinear fatigue failure problem with uncertainties in the structural systems. In the present study, in order to solve the nonlinear problem by convex models, the theory of ellipsoidal algebra with the help of the thought of interval analysis is applied. In terms of the inclusion monotonic property of ellipsoidal functions, the nonlinear fatigue failure problem with uncertainties can be solved. A numerical example of 25-bar truss structures is given to illustrate the efficiency of the presented method in comparison with the probabilistic approach.

Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:36:y:2008:i:1:p:129-137

DOI: 10.1016/j.chaos.2006.06.015

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