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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 2/3
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON CIVIL AND STRUCTURAL ENGINEERING COMPUTING
Edited by: B.H.V. Topping
Paper XXI.2

Optimum Structural Design under Uncertainty

A.B. Templeman*, Q. Ling-Xi+ and L. Xing-si+

*Department of Civil Engineering, University of Liverpool
+Research Institute of Engineering Mechanics, Dalian Institute of Technology, China

Full Bibliographic Reference for this paper
A.B. Templeman, Q. Ling-Xi, L. Xing-si, "Optimum Structural Design under Uncertainty", in B.H.V. Topping, (Editor), "Proceedings of the Second International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 179-183, 1985. doi:10.4203/ccp.2.21.2
Abstract
This paper is concerned with the incorporation of different forms of imprecision and uncertainty into the formulation and solution of optimum structural design problems. Constraint boundaries are treated as "soft" boundary regions and the statistical uncertainties inherent in material properties and structural loadings are modelled by a first-order second-moment reliability approach. Non-statistical uncertainties arising from approximate analysis methods, model idealizations, and quality aspects of design and construction are handled by fuzzy set operations.

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