Why Bifurcation: A Study of a Reticulated Dome

by Timothy J. Healey, Cornell Univ, United States,

Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing

Abstract: Numerical results for a hexagonal lattice dome subjected to uniform gravity loading are presented. We demonstrate that a perfect nonlinear bifurcation analysis plays a crucial role in the identification of the critical imperfection. In the process we also advertise the capabilities of some recently developed techniques for computational bifurcation problems with symmetry.

Subject Headings: Domes (structure) | Finite element method | Bifurcations | Lattices | Gravity loads | Nonlinear analysis | Shell structures

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