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The effect of interaction of loadings and geometry imperfection on the buckling state of frames
This item is provided by the institution :
National Technical University of Athens
Repository :
Digital Library of National Technical University of Athens | Dspace@NTUA
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ΕΚΤ item type
Journal part
(EN)
Scientific article
(EN)
EKT year
1989
(EN)
EKT historical period
Title
The effect of interaction of loadings and geometry imperfection on the buckling state of frames (EN)
Creator
Yiagos, AN (EN)
Ioannidis, G (EN)
Kounadis, AN (EN)
Description
In this paper the effect of the interaction of two loadings, and of the deviation from right angle on the buckling mechanism of a rectangular two-bar frame is discussed. Using a nonlinear stability analysis it is found that there is a critical value of the ratio of the two loadings, as well as of the deviation from right angle, for which the physical equilibrium path and the physically unacceptable complementary path meet each other at an asymmetric bifurcation point. At this point, the response of the frame changes from an elastic limit point instability to a stable equilibrium path associated with inelastic buckling. The analysis is supplemented by a variety of numerical results obtained by an efficient and reliable simplified nonlinear stability analysis applied for the first time to a non-rectangular frame. © 1989 Springer-Verlag. (EN)
Type
journalArticle (EN)
Subject
Critical Value (EN)
Nonlinear Stability (EN)
Provider
National Technical University of Athens
Repository / collection
Digital Library of National Technical University of Athens | Dspace@NTUA
Subcollections
Κεντρική Βιβλιοθήκη Ε.Μ.Π.
Ιδρυματικό Αποθετήριο
Δημοσιεύσεις μελών Δ.Ε.Π. σε περιοδικά
Journal
Computational Mechanics (EN)
Issued
1989 (EN)
Identifier
http://hdl.handle.net/123456789/10114
103 (EN)
10.1007/BF01046478 (EN)
5 (EN)
2-3 (EN)
01787675 (EN)
95 (EN)
Publisher
Springer-Verlag (EN)
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