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Keywords: asperity interaction
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Journal Articles

A Stiffness Model for Bolted Joints Considering Asperity Interactions of Rough Surface Contact

Hua Zhou, Xinhua Long, Guang Meng, Xianbo Liu
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2022, 144(1): 011501.
Paper No: TRIB-20-1463
https://doi.org/10.1115/1.4050601
Published Online: April 9, 2021
...Hua Zhou; Xinhua Long; Guang Meng; Xianbo Liu A revised fractal contact model considering asperity interactions is proposed. The displacement of the mean of asperity heights is used to represent the effects of the asperity interactions. Then, the critical contact area will be dependent...
View Article titled, A Stiffness Model for Bolted Joints Considering <span class="search-highlight">Asperity</span> <span class="search-highlight">Interactions</span> of Rough Surface Contact
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Topics: Bolted joints, Stiffness, Surface roughness, Fractals, Deformation, Stress
Journal Articles

Discrete Greenwood–Williamson Modeling of Rough Surface Contact Accounting for Three-Dimensional Sinusoidal Asperities and Asperity Interaction

S. Zhang, H. Song, S. Sandfeld, X. Liu, Y. G. Wei
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. December 2019, 141(12): 121401.
Paper No: TRIB-19-1081
https://doi.org/10.1115/1.4044635
Published Online: September 11, 2019
... a Hertz-like analytical solution for purely elastic deformation and a semi-analytical solution based on finite element method (FEM) for elastic–plastic deformation. The asperity interaction is accounted for by discretely utilizing a modified Boussinesq solution without consideration of asperity merger...
View Article titled, Discrete Greenwood–Williamson Modeling of Rough Surface Contact Accounting for Three-Dimensional Sinusoidal Asperities and <span class="search-highlight">Asperity</span> <span class="search-highlight">Interaction</span>
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Topics: Deformation, Finite element methods, Plasticity, Surface roughness, Modeling, Shapes
Journal Articles

Comparative Contact Analysis Study of Finite Element Method Based Deterministic, Simplified Multi-Asperity and Modified Statistical Contact Models

A. Megalingam, M. M. Mayuram
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. January 2012, 134(1): 014503.
https://doi.org/10.1115/1.4005649
Published Online: February 24, 2012
... parameters like contact load, contact area, and contact pressure are compared. The asperity interaction noticed in the deterministic contact model analysis leads to wide disparity in the results. Observing the elastic-plastic transition of the summits and the sharing of contact load and contact area among...
View Article titled, Comparative Contact Analysis Study of Finite Element Method Based Deterministic, Simplified Multi-Asperity and Modified Statistical Contact Models
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Topics: Finite element methods, Pressure, Stress, Surface roughness, Deformation