Abstract
The contour motion of the belt drive, i.e., the motion with the constant trajectory, is addressed. The belt is considered as a closed Cosserat line whose particles have translational and rotational degrees of freedom. The problem is considered in the framework of geometrically nonlinear formulation with no restrictions on the smallness of displacements and rotations. The spatial (Eulerian) coordinate which is the arc coordinate in the actual configuration is introduced. The belt is divided into four segments: two contact segments on the pulleys and two free spans. The friction forces are assumed to obey the Coulomb law. The study is limited to the stationary case with the constant angular velocities of the pulleys and the equations in components are derived for both contact and free spans. In the contact segment two assumptions are employed to eliminate the unknown contact pressure and friction: (1) the full contact, i.e., coincidence between the pulley and the belt and (2) the stick condition, i.e., the belt velocity is related to the pulley angular velocity. A nondimensional coordinate is introduced in the segments to obtain the boundary value problem with fixed boundaries. The boundary coordinates of the contact zones are the integration constants of the derived problem along with the other constants.
The author “Vladimir V. Eliseev” was deceased on October 14, 2017.
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Acknowledgements
This research is carried out in the framework of joint project of the Russian Foundation for Basic Research (Grant No. 14–51–15001) and the Austrian Science Fund (FWF, Grant No. I 2093 International Project).
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Belyaev, A.K., Eliseev, V.V., Irschik, H., Oborin, E.A. (2019). Dynamics of Contour Motion of Belt Drive by Means of Nonlinear Rod Approach. In: Matveenko, V., Krommer, M., Belyaev, A., Irschik, H. (eds) Dynamics and Control of Advanced Structures and Machines. Springer, Cham. https://doi.org/10.1007/978-3-319-90884-7_3
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DOI: https://doi.org/10.1007/978-3-319-90884-7_3
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