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On evaluating structures’ sensitivities to prescribed displacement uncertainties using fuzzy numbers

A. Cherki (Industrial and Human Automatic Control and Mechanical Engineering Laboratory, University of Valenciennes, Valenciennes Cedex, France)
T. Tison (Industrial and Human Automatic Control and Mechanical Engineering Laboratory, University of Valenciennes, Valenciennes Cedex, France)
T.M. Guerra (Industrial and Human Automatic Control and Mechanical Engineering Laboratory, University of Valenciennes, Valenciennes Cedex, France)
P. Level (Industrial and Human Automatic Control and Mechanical Engineering Laboratory, University of Valenciennes, Valenciennes Cedex, France)

Engineering Computations

ISSN: 0264-4401

Article publication date: 1 August 1997

243

Abstract

Considers the problem of structures’ sensitivities to prescribed displacements uncertainties through the use of fuzzy numbers. Important properties of fuzzy subsets have been studied and used to model uncertainties, and to solve the fuzzy linear system resulting from taking into account the uncertainties on prescribed displacements. Develops a computer program to allow comparisons between several structural designs checking common specifications. Demonstrates the effectiveness of the present method for a cantilever structure modelled in the case of a static finite element analysis.

Keywords

Citation

Cherki, A., Tison, T., Guerra, T.M. and Level, P. (1997), "On evaluating structures’ sensitivities to prescribed displacement uncertainties using fuzzy numbers", Engineering Computations, Vol. 14 No. 5, pp. 529-541. https://doi.org/10.1108/02644409710170357

Publisher

:

MCB UP Ltd

Copyright © 1997, MCB UP Limited

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