The contact pressure adjacent to the apex of a tilted punch is studied and used to form a refined, two-term asymptote for the contact pressure at a point of discontinuous gradient interior to a half-plane contact problem. The asymptote is compared with the full solution for an example problem, the wheel with a flat.
HallR. W.Pressure spikes in elastohydrodynamics - some elastic considerations. Wear, 1989, 131, 151–161.
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HallR. W.SavageM. D.Two-dimensional elasto-hydrodynamic lubrication. Part I. The associated dry contact problem. Proc. Instn Mech. Engrs. Part C: J. Mechanical Engineering Science, 1988, 202, 347–360.