期刊
FINITE ELEMENTS IN ANALYSIS AND DESIGN
卷 43, 期 5, 页码 384-396出版社
ELSEVIER
DOI: 10.1016/j.finel.2006.11.009
关键词
adhesive contact; computational contact mechanics; continuum mechanics; interatomic potential; JKR theory; nano-mechanics; scaling
A micro/nano-scale computational contact mechanics model is proposed to study the adhesive contact between deformable bodies. To model adhesive contact, an interatomic interaction potential is incorporated into the framework of nonlinear continuum mechanics. The ensuing contact model is cast into an efficient finite element formulation which is implemented using an updated Lagrangian approach. The scaling of the model with respect to its geometrical size and the strength of adhesion is investigated. The proposed computational contact model is validated by a comparison with the analytical JKR and Maugis-Dugdale models. (c) 2007 Elsevier B.V. All rights reserved.
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