Smith–Watson–Topper Parameter in Partial Slip Bimodal Oscillations of Axisymmetric Elastic Contacts of Similar Materials: Influence of Load Protocol and Profile Geometry
Abstract
:1. Introduction
2. Problem Statement
- the validity of a local Amontons–Coulomb friction law between normal and frictional surface tractions, with a globally constant coefficient of friction ;
- neglect of the lateral (i.e., orthogonal to the loading plane) elastic surface displacements—which would slightly violate the isotropy of the friction law.
3. Methods
3.1. Contact Solution
3.2. Subsurface Stress Fields and SWT Parameter
4. Results
4.1. Scaling Laws
4.2. Influence of Load Parameters in Parabolic Contact
4.3. Influence of Profile Geometry
4.3.1. Rounded Flat Punch and Truncated Paraboloid
4.3.2. Paraboloid with Small Waviness
5. Summary and Discussion
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
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Parameter | ||||||
Value | 0.3 | 0.3 | 3/4 | 1 | 5/6 | 0 |
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Willert, E. Smith–Watson–Topper Parameter in Partial Slip Bimodal Oscillations of Axisymmetric Elastic Contacts of Similar Materials: Influence of Load Protocol and Profile Geometry. Eng 2024, 5, 333-346. https://doi.org/10.3390/eng5010018
Willert E. Smith–Watson–Topper Parameter in Partial Slip Bimodal Oscillations of Axisymmetric Elastic Contacts of Similar Materials: Influence of Load Protocol and Profile Geometry. Eng. 2024; 5(1):333-346. https://doi.org/10.3390/eng5010018
Chicago/Turabian StyleWillert, Emanuel. 2024. "Smith–Watson–Topper Parameter in Partial Slip Bimodal Oscillations of Axisymmetric Elastic Contacts of Similar Materials: Influence of Load Protocol and Profile Geometry" Eng 5, no. 1: 333-346. https://doi.org/10.3390/eng5010018