✦ LIBER ✦

Optimum structural design with stability constraints

✍ Scribed by N. S. Khot; V. B. Venkayya; L. Berke

Publisher: John Wiley and Sons
Year: 1976
Tongue: English
Weight: 864 KB
Volume: 10
Category: Article
ISSN: 0029-5981
DOI: 10.1002/nme.1620100510

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

This paper presents an optimization method based on optimality criterion for minimum weight of structures with stability requirements. A recurrence relation is derived and the method is explained in the context of the displacement method of finite element analysis. The incipient buckling of the structure is determined by a linear eigenvalue solution. The method is programmed for trusses and frames. Illustrative problems are given to show the applicability of the method of design of structures with a large number of design variables.

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## I NTRODUCTl ON Optimization techniques have now been applied to structural design for nearly thirty years. However, the great majority of this work has been limited to research activities directed at developing the methods, improving algorithms, and understanding their capabilities and limitati