Evaluation of the ductility features in steel structures with softening moment‐rotation behaviour based on a nonconvex optimization formulation

Evaluation of the ductility features in steel structures with softening moment‐rotation... In order to determine the ductility features of steel structures, several approaches have been introduced in the bibliography. In this paper a certain method is proposed which considers the actual form of the moment‐rotation curve, including the possible softening branches. Moreover, stability phenomena are also taken into account as they significantly influence the overall response of the structure. For the effective application of the considered method, a solution algorithm was developed, mainly based on the nonconvex optimization theory. The numerical applications that follow demonstrate the applicability of the adopted approach. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations Emerald Publishing

Evaluation of the ductility features in steel structures with softening moment‐rotation behaviour based on a nonconvex optimization formulation

Engineering Computations, Volume 17 (5): 20 – Aug 1, 2000

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Publisher
Emerald Publishing
Copyright
Copyright © 2000 MCB UP Ltd. All rights reserved.
ISSN
0264-4401
DOI
10.1108/02644400010339789
Publisher site
See Article on Publisher Site

Abstract

In order to determine the ductility features of steel structures, several approaches have been introduced in the bibliography. In this paper a certain method is proposed which considers the actual form of the moment‐rotation curve, including the possible softening branches. Moreover, stability phenomena are also taken into account as they significantly influence the overall response of the structure. For the effective application of the considered method, a solution algorithm was developed, mainly based on the nonconvex optimization theory. The numerical applications that follow demonstrate the applicability of the adopted approach.

Journal

Engineering ComputationsEmerald Publishing

Published: Aug 1, 2000

Keywords: Steel; Optimization; Energy dissipation

References

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