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Adhésion, délamination et compaction de plaques minces

Abstract : We studied in this thesis examples of large deflections of thin plates subjected to various constraints (gravity, capillarity, geometrical), ranging in scale from delamination blisters of graphene to stamping, using macroscopic model experiments described with analytical models or scaling laws. The common thread linking these examples is the change of Gaussian curvature and its effects on the mechanics of thin plates. In the first part, we recalled the modelling and characteristics of thin plates. We were interested to delamination blisters that appear when a thin plate adheres partially on a planar substrate. We have shown what informations can be deduced from the shape of these blisters. We have then described the main features of the contact between a thin plate and an adhesive sphere, namely the size of the contact zone and the general morphology of the pattern. Finally, we have studied the compaction of a plate between two spherical caps, which leads to radial folds. We have explained the characteristics of these folds and modelled their mechanical response.
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Submitted on : Sunday, July 1, 2012 - 7:03:17 PM
Last modification on : Thursday, April 7, 2022 - 1:58:09 PM
Long-term archiving on: : Tuesday, October 2, 2012 - 9:33:18 AM


  • HAL Id : pastel-00713495, version 1


Jérémy Hure. Adhésion, délamination et compaction de plaques minces. Mécanique des solides [physics.class-ph]. Université Paris-Diderot - Paris VII, 2012. Français. ⟨pastel-00713495⟩



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