Abstract
Sphere-plane contact is ubiquitous in the fields of equipment manufacturing and intelligent machine design. Research on sphere-plane contact processes not only helps to reveal the causes of instability in terms of contact object motions, functional failures, and vibration noises, but also allows for an accurate prediction of dynamic behavior for the precise control of real-time intelligent machinery. The contact part of the process parameters related to impact are difficult to measure, and current sphere-plane contact impact theory models do not accurately reflect them. Contact process calculations are generally inaccurate, and finite element simulation analysis for the sphere-plane contact impact process is computationally burdensome. In this study, the finite element simulation method was used to obtain contact force, relative penetration, and velocity as input parameter estimations. Contact stiffness, hysteresis damping factors, and elastic impact index were estimated using theoretical model calculations to improve computing velocity and accuracy.
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