Abstract
Based on the continuum mechanics and the bifurcation theory, a three-dimensional theoretical model for a soft thin viscoelastic film bonded to a rigid substrate is investigated. Considering the effect of interfacial slippage and the competition among van der Waals interaction potential energy, strain energy, and surface energy, a set of three-dimensional governing equations of the spontaneous instability is derived, and the analytical results of time-dependent critical conditions are obtained. Furthermore, the phase diagram of instability due to van der Waals interaction and the variation of the dimensionless characteristic wavenumber and the critical interaction stiffness with the critical time are discussed by considering the effect of interfacial slippage.
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Fu, Y., Huang, Y. & Huang, S. Interfacial slippage effect on the spontaneous instability of soft thin viscoelastic films. Arch Appl Mech 81, 1075–1085 (2011). https://doi.org/10.1007/s00419-010-0471-2
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DOI: https://doi.org/10.1007/s00419-010-0471-2