Numerical optimization approach to modelling delamination and buckling of geometrically constrained structures
Mullineux, G., Hicks, B. J. and Berry, C., 2012. Numerical optimization approach to modelling delamination and buckling of geometrically constrained structures. Philosophical Transactions of the Royal Society A - Mathematical Physical and Engineering Sciences, 370 (1965), pp. 1925-1941.
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Understanding what happens in terms of delamination during buckling of laminate materials is of importance across a range of engineering sectors. Normally concern is that the strength of the material is not significantly impaired. Carton-board is a material with a laminate structure and, in the initial creation of carton nets, the board is creased in order to weaken the structure. This means that when the carton is eventually folded into its three-dimensional form, correct folding occurs along the weakened crease lines. Understanding what happens during creasing and folding is made difficult by the nonlinear nature of the material properties. This paper considers a simplified approach which extends the idea of minimizing internal energy so that the effects of delamination can be handled. This allows a simulation which reproduces the form of buckling–delamination observed in practice and the form of the torque–rotation relation.
|Creators||Mullineux, G., Hicks, B. J. and Berry, C.|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
|Research Centres||Innovative Design & Manufacturing Research Centre (IdMRC)|
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