An “inverse” formulation is described for general problems of unsteady elastohydrodynamic lubrication (EHL). Spatial discretization gives an explicit initial-value ordinary differential equation (ODE) problem with (interior) nodal film thicknesses as state variables. Numerical results are compared with published experimental results for normal approach of a spherical surface to an elastic foundation.
Nodal Unsteady Inverse Elastohydrodynamic Lubrication: Axisymmetric Normal Approach
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received May 21, 2017; final manuscript received November 6, 2017; published online February 6, 2018. Assoc. Editor: Mihai Arghir.
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Booker, J. F., and Boedo, S. (February 6, 2018). "Nodal Unsteady Inverse Elastohydrodynamic Lubrication: Axisymmetric Normal Approach." ASME. J. Tribol. July 2018; 140(4): 041501. https://doi.org/10.1115/1.4038985
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