Abstract
A method of calculating nonlinear vibrational oscillations in mechanical contact systems with amplitude-dependent forces of hysteresis type is considered. The method is based on the representation of solutions of forced oscillation equation as nonlinear shapes corresponding to a model conservative system. Two-and three-dimensional dynamic characteristics of the principal and subharmonic modes of symmetrical tangential oscillations are obtained. Conditions under which friction contact oversteps the limits of the pre-sliding at force and kinematic vibrational loadings are specified. The results are compared to the Coulomb model of the friction force and this model is shown to be unsuitable for calculating contact oscillations with small amplitudes.
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Original Russian Text © Yu.P. Zaspa, 2007, published in Trenie i Iznos, 2007, Vol. 28, No. 1, pp. 85–100.
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Zaspa, Y.P. Nonlinear shapes of steady-state vibrational oscillations of mechanical contact. Symmetrical tangential oscillations. J. Frict. Wear 28, 87–104 (2007). https://doi.org/10.3103/S1068366607010102
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DOI: https://doi.org/10.3103/S1068366607010102