In the present paper, the observation and characterization of isolated response curves (IRCs) are experimentally reported in the case of a nonlinear system consisting of two masses sliding on an horizontal guide. Transverse springs are attached to one mass to provide the nonlinear restoring force, and a harmonic motion of the complete system is imposed by prescribing the displacement of their supports. The existence of an IRC is related to a 3:1 internal resonance between the two modes of the system. The observed IRC is studied in detached and merged conditions using swept-sine excitations and system perturbations.
CITATION STYLE
Detroux, T., Noël, J. P., Kerschen, G., & Virgin, L. N. (2016). Experimental study of isolated response curves in a two-degree-of-freedom nonlinear system. In Conference Proceedings of the Society for Experimental Mechanics Series (Vol. 1, pp. 229–235). Springer New York LLC. https://doi.org/10.1007/978-3-319-29739-2_21
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