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A Flat Asymptotic Frictionless Contact Subject to Normal Load and Bending Moment

Published online by Cambridge University Press:  21 October 2014

G.-Q. Shao ,
J. Hong ,
X.-J. Jiang ,
L.-B. Zhu ,
X. Chen  and
Y.-S. Zhu
G.-Q. Shao
Affiliation:
State Key Laboratory for Manufacturing System, Xi'an Jiaotong University, Xi'an, China
J. Hong*
Affiliation:
State Key Laboratory for Manufacturing System, Xi'an Jiaotong University, Xi'an, China
X.-J. Jiang
Affiliation:
State Key Laboratory for Manufacturing System, Xi'an Jiaotong University, Xi'an, China The 16th Institute of the Ninth Academy, China Aerospace Science and Technology Corporation, Xi'an, China
L.-B. Zhu
Affiliation:
State Key Laboratory for Manufacturing System, Xi'an Jiaotong University, Xi'an, China
X. Chen
Affiliation:
Department of Earth and Environmental Engineering, Columbia University, New York, USA
Y.-S. Zhu
Affiliation:
Key Laboratory of Education Ministry for Modern Design and Rotor-bearing System, Xi'an Jiaotong University, Xi'an, China
*
* Corresponding author (j.97011311@stu.xjtu.edu.cn
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Abstract

A calculation model is put forward to analyze the interfacial response of an elastic frictionless punch, pressed normally into a half-plane, and subject to bending moment throughout this paper to observe the important effect that different normal loads and bending moments on the contact pressure distribution and contact deformation. Results for the detailed considerations have been given to the specific different cases of ηc. A characteristic response of the punch to a surplus bending moment has been found. The small differences can be observed between both methods show characteristic features of the FEM model and the theoretical model. The presented numerical results illustrate the influences of the normal load and bending moment on the contact stresses. The results obtained can be used to analyze the crack nucleation in fretting when the punch is acted upon by the normal force and the bending moment.

Keywords

Asymptotic solutionComplete contactReceding contactTilted flat
Type
Research Article
Information
Journal of Mechanics , Volume 31 , Issue 2 , April 2015 , pp. 131 - 138
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2014 

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