Large Displacement Analysis for Structural Stability Problems

by Russell Q. Bridge, Univ of Sydney, Sydney, Australia,
Murray J. Clarke, Univ of Sydney, Sydney, Australia,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


In this paper, two widely different methods of large displacement analyses are considered. The first is a discrete element analysis which is particularly effective for line structures which form a single closed loop from one boundary to another (Harrison, 1976). The second is a more general analysis (Clarke and Hancock, 1990b) based on the finite element method using an isoparametric curved beam element suited to the in-plane analysis of arches, beam-columns and plane frame structures.

Subject Headings: Displacement (mechanics) | Structural stability | Finite element method | Curved beams | Structural analysis | Beam columns | Domain boundary | Arches

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