This paper presents an analysis of the impact between a sphere and a flat surface covered by an oil film. Pressure distributions are found as functions of time for oils whose viscosities are either constant or pressure-dependent. It is believed that the increase of oil viscosity with pressure is a main cause of the deep conical dents observed experimentally.
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Impact of a Lubricated Surface by a Sphere
H. D. Conway,
H. D. Conway
Dept. of Theoretical and Applied Mechanics, Cornell Univ., Ithaca, N. Y.; IBM Corp., Endlcott, N. Y.
H. C. Lee
IBM Corp., System Development Div., Endlcott, N. Y.
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Conway, H. D., and Lee, H. C. (October 1, 1975). "Impact of a Lubricated Surface by a Sphere." ASME. J. of Lubrication Tech. October 1975; 97(4): 613–615. https://doi.org/10.1115/1.3452689
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