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Inelastic stability of rectangular frames by transfer matrices

Inelastic stability of rectangular frames by transfer matrices
Inelastic stability of rectangular frames by transfer matrices
A formulation of the stability problem for tall unbraced frames, deformed beyond their elastic limit, has been developed using transfer matrices. A linear incremental solution procedure allows the monitoring of plastic hinge formation and the resulting reduction of the member stiffness until the critical load is located. The most important second order effects arising from large deformation has been accounted for. Simple modeling of inelastic behaviour has been adopted although further refinement of the formulation at no significant computational cost is indicated. Extensive application of the developed computer algorithm and comparison of its predictions with other analytical results confirms the validity of the proposed method of solution.
Stability, Plastic properties, Frames, Steel, Transfer matrices, Computer applications
81-91
Civil-Comp Press
Kameshki, E.S.
6473a07c-7c1e-4e0b-b128-bcd2834b16f7
Syngellakis, S.
1607c57d-5ed1-401c-bbec-92dc330462ea
Topping, B.H.V.
Kameshki, E.S.
6473a07c-7c1e-4e0b-b128-bcd2834b16f7
Syngellakis, S.
1607c57d-5ed1-401c-bbec-92dc330462ea
Topping, B.H.V.

Kameshki, E.S. and Syngellakis, S. (1996) Inelastic stability of rectangular frames by transfer matrices. Topping, B.H.V. (ed.) In Advances in Optimization for Structural Engineering. Civil-Comp Press. pp. 81-91 .

Record type: Conference or Workshop Item (Paper)

Abstract

A formulation of the stability problem for tall unbraced frames, deformed beyond their elastic limit, has been developed using transfer matrices. A linear incremental solution procedure allows the monitoring of plastic hinge formation and the resulting reduction of the member stiffness until the critical load is located. The most important second order effects arising from large deformation has been accounted for. Simple modeling of inelastic behaviour has been adopted although further refinement of the formulation at no significant computational cost is indicated. Extensive application of the developed computer algorithm and comparison of its predictions with other analytical results confirms the validity of the proposed method of solution.

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More information

Published date: 1996
Venue - Dates: Computational Structures Technology, Budapest, Hungary, 1996-01-01 - 1996-01-01
Keywords: Stability, Plastic properties, Frames, Steel, Transfer matrices, Computer applications

Identifiers

Local EPrints ID: 21117
URI: http://eprints.soton.ac.uk/id/eprint/21117
PURE UUID: 3a5b394c-59fc-484e-8153-1e9585e0ee7c

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Date deposited: 03 Nov 2006
Last modified: 15 Mar 2024 06:28

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Contributors

Author: E.S. Kameshki
Author: S. Syngellakis
Editor: B.H.V. Topping

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