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A schematic of a gecko-inspired surface with fibril and its peeling region. (a) Modelling of gecko-inspired surface. (b) A three-dimensional schematic of the numerical model considering the interfacial adhesion and the micro-fibrillar structures. (c) A schematic of the peel region and the deformation of the fibrils. Full details of numerical method can be found in appendix A. (Online version in colour.)
