Abstract
This paper provides the finite element modeling for describing the nonlinear stick-slip response of squealing modes in a disc brake system. The analytical nonlinear contact kinematics is applied to each contact node of the finite element disc and pads. Numerical results show that a portion of the contact area can undergo the stick-slip oscillation. Depending on the size of the stick-slip zone, the corresponding squeal vibration can be either the pure harmonic or periodic oscillation. Particularly, the squeal mode arising from the pad rigid mode generates the periodic stick-slip limit cycle in its steady-squealing response, as opposed that the disc squeal modes become the pure harmonic response.
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Recommended by Associate Editor Eung-Soo Shin
Jaeyoung Kang is an associate professor in the Department of Mechanical and Automotive Engineering, Kongju National University. He received his Ph.D. in Mechanical Engineering from Purdue University in 2008. His research interests include friction noise, structural vibration and nonlinear dynamics.
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Kang, J. Finite element modeling for stick-slip pattern of squeal modes in disc brake. J MECH SCI TECHNOL 28, 4021–4026 (2014). https://doi.org/10.1007/s12206-014-0915-7
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DOI: https://doi.org/10.1007/s12206-014-0915-7