Abstract
Two-parametric asymptotic analysis of the equilibrium of an elastic half-space coated by a thin soft layer is developed. The initial scaling is motivated by the exact solution of the plane problem for a vertical harmonic load. It is established that the Winkler–Fuss hypothesis is valid only for a sufficiently high contrast in the stiffnesses of the layer and the half-space. As an alternative, a uniformly valid non-local approximation is proposed. Higher-order corrections to the Winkler–Fuss formulation, such as the Pasternak model, are also studied.
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Kaplunov, J., Prikazchikov, D. & Sultanova, L. Justification and refinement of Winkler–Fuss hypothesis. Z. Angew. Math. Phys. 69, 80 (2018). https://doi.org/10.1007/s00033-018-0974-1
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DOI: https://doi.org/10.1007/s00033-018-0974-1