Abstract
This study investigates the effect of contact surface curvatures on the friction response under varying tangential loadings using a finite element (FE) model. The results showed that the geometry of the surface influences the contact force at the interface and reduces the friction effect through an unsteady distribution of the contact force. The relationship between the friction effect, excitation, and contact surface shape was also examined, revealing a linear inverse relationship between the friction and curvature. The findings provide a comprehensive understanding of the frictional interactions between elastic bodies and highlight the role of curvature as a design parameter for regulating the friction effect.
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Acknowledgements
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. NRF-2021R1F1A1052123).
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Sumin BAEK. She received her B.S. degree from Pusan National University, Busan, Republic of Korea. She is currently enrolled in the master’s program in the School of Mechanical Engineering, Pusan National University, Busan, Republic of Korea. Her primary research focus revolves around the analysis of dynamic systems incorporating friction.
Seunghun BAEK. He earned his B.S. degree from Yonsei University, Seoul, Republic of Korea. Subsequently, he pursued his M.S. and Ph.D. degree in Mechanical Engineering from University of Michigan, Michigan, USA. He served as a research engineering at the esteemed Ford Motor Company from 2016 to 2020. Currently, he holds the position of assistant professor in the School of Mechanical Engineering at Pusan National University, Pusan, Republic of Korea, a role he has held since 2020. His primary research interests encompass dynamic substructuring, vibration analysis, and hardware-in-the-loop simulation.
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Baek, S., Baek, S. Influence of contact curvature on frictional energy dissipation under varying tangential loads. Friction 12, 363–374 (2024). https://doi.org/10.1007/s40544-023-0788-9
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DOI: https://doi.org/10.1007/s40544-023-0788-9