Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Dynamic Snap-Through Buckling of Truss-Type Structures
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.
Dynamic Snap-Through Buckling of Truss-Type Structures
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.
Dynamic Snap-Through Buckling of Truss-Type Structures
Sheidaii, M. R. (Autor:in) / Parke, G. A. R. (Autor:in) / Abedi, K. (Autor:in) / Behravesh, A. (Autor:in)
International Journal of Space Structures ; 16 ; 85-93
01.06.2001
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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