Snap-Through Buckling of Reticulated Space Trusses

by Heinrich Rothert, Prof. of Engrg. Mechanics; Dept. of Engrg. Mechanics, Institut fur Mechanik and Thermodynamik, Hochschule der Bundeswehr Hamburg, Holstenhofweg 85, 2 Hamburg 70, West Germany,
Detlef Renner, Grad. Student; Dept. of Engrg. Mechanics, Institut fur Mechanik and Thermodynamik, Hochschule der Bundeswehr Hamburg, Holstenhofweg 85, 2 Hamburg 70, West Germany,
Timm Dickel, Doctoral Research Asst.; Dept. of Engrg. Mechanics, Institut fur Mechanik and Thermodynamik, Hochschule der Bundeswehr Hamburg, Holstenofweg 85, 2 Hamburg 70, West Germany,


Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 1, Pg. 129-143


Document Type: Journal Paper

Discussion: Crisfield M. A. (See full record)

Abstract: A geometrically-nonlinear displacement method is developed for the purpose of studying the snap-through behavior of reticulated space trusses of arbitrary shape and loading. The present formulation is comprehensive and well suited for applying incremental and iterative solution techniques solving the governing system of nonlinear equations. The results of comparative studies of four efficient solution methods are presented with reference to the computational efforts. The dramatic influence of nonuniform loading and unsymmetrical stiffnesses on the snap-through load is shown by parametric studies.

Subject Headings: Load factors | Comparative studies | Space truss | Geometrics | Displacement (mechanics) | Arbitration | Nonlinear response

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