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Machines 2016, 4(1), 4;

Dynamic Contact between a Wire Rope and a Pulley Using Absolute Nodal Coordinate Formulation

Department of Engineering and Applied Sciences, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
Department of Mechanical Engineering, Tokyo Metropolitan University, 1-1 Minami-Ohsawa, Hachioji-shi, Tokyo 192-0397, Japan
Author to whom correspondence should be addressed.
Academic Editor: David Mba
Received: 27 June 2015 / Revised: 12 January 2016 / Accepted: 14 January 2016 / Published: 21 January 2016
(This article belongs to the Special Issue Advance in Multibody System Dynamics)
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Wire rope and pulley devices are used in various machines. To use these machines more safely, it is necessary to analyze the behavior of the contact between them. In this study, we represent a wire rope by a numerical model of a flexible body. This flexible body is expressed in the absolute nodal coordinate formulation (ANCF), and the model includes the normal contact force and the frictional force between the wire rope and the pulley. The normal contact force is expressed by spring-damper elements, and the frictional force is expressed by the Quinn method. The advantage of the Quinn method is that it reduces the numerical problems associated with the discontinuities in Coulomb friction at zero velocity. By using the numerical model, simulations are performed, and the validity of this model is shown by comparing its results with those of an experiment. Through numerical simulations, we confirm the proposed model for the contact between the wire rope and the pulley. We confirmed that the behavior of the wire rope changes when both the bending elastic modulus of the wire rope and the mass added to each end of the wire rope are changed. View Full-Text
Keywords: contact analysis; wire rope; pulley; ANCF contact analysis; wire rope; pulley; ANCF

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Takehara, S.; Kawarada, M.; Hase, K. Dynamic Contact between a Wire Rope and a Pulley Using Absolute Nodal Coordinate Formulation. Machines 2016, 4, 4.

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