Dynamic snap-through buckling of truss-type structures

Sheidaii, MR, Parke, GAR, Abedi, K and Behravesh, A (2001) Dynamic snap-through buckling of truss-type structures International Journal of Space Structures, 16 (2). pp. 85-93.

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Abstract

Space trusses under certain conditions may be prone to snap-through buckling. The sudden reduction of the load carrying capacity of a single critical compression member, or a group of compression members, may lead to the snap-through buckling of the compression chord of the structure. This temporary loss of equilibrium due to snap-through normally results in a dynamic force being applied to each node associated with the snap-through. In this paper a methodology based on energy methods is presented to determine the dynamic snap-through response of truss structures. Member failure is taken into consideration by carefully following the buckling load-displacement response of the member. It is assumed that the structure is subjected only to static gravitational loading. A one degree of freedom, simple three bar truss, is used to describe the approach. Finally, this method has been used to perform the snap-through buckling analysis of two double layer grid structure providing a load-displacement behaviour from each structure variation to that obtained from a conventional static analysis.

Item Type:	Article
Divisions :	Surrey research (other units)
Authors :	Name Email ORCID Sheidaii, MR Parke, GAR g.parke@surrey.ac.uk Abedi, K Behravesh, A
Date :	1 December 2001
Depositing User :	Symplectic Elements
Date Deposited :	17 May 2017 11:45
Last Modified :	24 Jan 2020 21:12
URI:	http://epubs.surrey.ac.uk/id/eprint/832566

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