Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2008-12-07
Proceedings of the Royal Society of London Series A Containing Papers of a Mathematical and Physical Character 464, 2099 (2008
Nonlinear Sciences
Exactly Solvable and Integrable Systems
Scientific paper
10.1098/rspa.2008.0184
The buckling of hyperelastic incompressible cylindrical tubes of arbitrary length and thickness under compressive axial load is considered within the framework of nonlinear elasticity. Analytical and numerical methods for bifurcation are developed using the exact solution of Wilkes for the linearized problem within the Stroh formalism. Using these methods, the range of validity of the Euler buckling formula and its first nonlinear corrections are obtained for third-order elasticity. The values of the geometric parameters (tube thickness and slenderness) where a transition between buckling and barrelling is observed are also identified.
Destrade Michel
Goriely Alain
Vandiver Rebecca
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