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A unified treatment of axisymmetric adhesive contact problems using the harmonic potential function method

Abstract : A unified treatment of axisymmetric adhesive contact problems is provided using the harmonic potential function method for axisymmetric elasticity problems advanced by Green, Keer, Barber and others. The harmonic function adopted in the current analysis is the one that was introduced by Jin et al. (2008) to solve an external crack problem. It is demonstrated that the harmonic potential function method offers a simpler and more consistent way to treat non-adhesive and adhesive contact problems. By using this method and the principle of superposition, a general solution is derived for the adhesive contact problem involving an axisymmetric rigid punch of arbitrary shape and an adhesive interaction force distribution of any profile. This solution provides analytical expressions for all non-zero displacement and stress components on the contact surface, unlike existing ones. In addition, the newly derived solution is able to link existing solutions/models for axisymmetric non-adhesive and adhesive contact problems and to reveal the connections and differences among these solutions/models individually obtained using different methods at various times. Specifically, it is shown that Sneddon's solution for the axisymmetric punch problem, Boussinesq's solution for the flat-ended cylindrical punch problem, the Hertz solution for the spherical punch problem, the JKR model, the DMT model, the M-D model, and the M-D-n model can all be explicitly recovered by the current general solution. (C) 2010 Elsevier Ltd. All rights reserved.
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https://hal-upec-upem.archives-ouvertes.fr/hal-00692849
Contributor : Q. C. He <>
Submitted on : Tuesday, May 1, 2012 - 3:26:59 PM
Last modification on : Thursday, March 19, 2020 - 11:52:03 AM

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S.-S. Zhou, X.-L. Gao, Qi-Chang He. A unified treatment of axisymmetric adhesive contact problems using the harmonic potential function method. Journal of the Mechanics and Physics of Solids, Elsevier, 2011, 59 (2), pp.145--159. ⟨10.1016/j.jmps.2010.11.006⟩. ⟨hal-00692849⟩

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