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R. Levy, O. Vilnay and K.B. Archampong

Faculty of Civil Engineering, Technion-Israel Institute of Technology, Technion City, Haifa, Israel

doi:10.4203/ccp.9.7.6

R. Levy, O. Vilnay, K.B. Archampong, "Exact Geometry Considerations in Buckling Analysis of Trusses", in B.H.V. Topping, (Editor), "Proceedings of the Fourth International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 259-267, 1989. doi:10.4203/ccp.9.7.6

Abstract

This paper is concerned with the exact geometrical formulation for truss buckling. Based on the assumptions of large member rotations but small strains, a generalized formulation is presented for the nonlinear analysis of trusses in their deformed state. Conditions for instability are included and the snap-through load is accurately predicted for various examples by using the Newton-Raphson approach.

The formulation is used to study the response of cable networks to external loads. Under uniformly distributed loads the networks behaved linearly with very small nodal displacements. In other loading cases, where the load distribution is unsymmetrical and the total load applied is smaller than the uniform loading, very large displacements occured with significant nonlinearities.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 9/10 PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON CIVIL AND STRUCTURAL ENGINEERING COMPUTING Edited by: B.H.V. Topping Paper VII.6 Exact Geometry Considerations in Buckling Analysis of Trusses R. Levy, O. Vilnay and K.B. Archampong Faculty of Civil Engineering, Technion-Israel Institute of Technology, Technion City, Haifa, Israel doi:10.4203/ccp.9.7.6 purchase the full-text of this paper Full Bibliographic Reference for this paper R. Levy, O. Vilnay, K.B. Archampong, "Exact Geometry Considerations in Buckling Analysis of Trusses", in B.H.V. Topping, (Editor), "Proceedings of the Fourth International Conference on Civil and Structural Engineering Computing", Civil-Comp Press, Edinburgh, UK, pp 259-267, 1989. doi:10.4203/ccp.9.7.6 Abstract This paper is concerned with the exact geometrical formulation for truss buckling. Based on the assumptions of large member rotations but small strains, a generalized formulation is presented for the nonlinear analysis of trusses in their deformed state. Conditions for instability are included and the snap-through load is accurately predicted for various examples by using the Newton-Raphson approach. The formulation is used to study the response of cable networks to external loads. Under uniformly distributed loads the networks behaved linearly with very small nodal displacements. In other loading cases, where the load distribution is unsymmetrical and the total load applied is smaller than the uniform loading, very large displacements occured with significant nonlinearities. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £78 +P&P)
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