Peer-Reviewed Journal Details
Mandatory Fields
Destrade, M,Ogden, RW,Sgura, I,Vergori, L
2014
April
Journal Of The Mechanics And Physics Of Solids
Straightening wrinkles
Published
()
Optional Fields
Soft solids Straightening Instability Asymptotic analysis Impedance Matrix method ANNULAR CYLINDRICAL SECTORS SURFACE-WAVES ELASTODYNAMICS BIFURCATIONS FORMALISM SUBJECT
65
1
11
We consider the elastic deformation of a circular cylindrical sector composed of an incompressible isotropic soft solid when it is straightened into a rectangular block. In this process, the circumferential line elements on the original inner face of the sector are stretched while those on the original outer face are contracted. We investigate the geometrical and physical conditions under which the latter line elements can be contracted to the point where a localized incremental instability develops. We provide a robust algorithm to solve the corresponding two-point boundary value problem, which is stiff numerically. We illustrate the results with full incremental displacement fields in the case of Mooney-Rivlin materials and also perform an asymptotic analysis for thin sectors. (C) 2014 Elsevier Ltd. All rights reserved.
10.1016/j.jmps.2014.01.001
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