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Journal Articles Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences Year : 2024

Elastic response of a cylinder loaded by a Hertzian contact pressure and maintained in equilibrium by its inertia

Abstract

We derive the compliance of an elastic cylinder submitted to a line Hertzian contact. The cylinder is maintained in static equilibrium by bulk forces that are proportional to rigid body motions. Displacements are measured by setting integral gauges that amount to prescribing zero net linear and angular momentum, if the problem were to depend upon time. Various cases are covered, representing either infinitesimal or finite contact displacements, including partial slip. The developments are illustrated by revisiting a classical example in what could be called The heavy cylinder on a vibrating soil . The four contact resonances and forced response of the system are given in closed form in the quasi-static approximation, and compared against a reference numerical solution. The formulae can also be used as building blocks to assemble the compliance matrix of a system comprising several cylinders.
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hal-04532296 , version 1 (04-04-2024)

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Pierric Mora, Fabien Treyssède, Laurent Laguerre. Elastic response of a cylinder loaded by a Hertzian contact pressure and maintained in equilibrium by its inertia. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2024, 480 (2287), ⟨10.1098/rspa.2023.0891⟩. ⟨hal-04532296⟩
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