Hysteretic tuned mass dampers for structural vibration mitigation |
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Authors: | Nicola Carpineto Walter LacarbonaraFabrizio Vestroni |
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Affiliation: | Department of Structural and Geotechnical Engineering, Sapienza University of Rome, via Eudossiana 18, Rome 00184, Italy |
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Abstract: | The hysteresis exhibited by short steel wire ropes is shown to lend itself as an effective restoring force for nonlinear monodirectional tuned mass dampers. Experiment-driven modeling based on the identified hysteretic restoring forces together with continuation tools enables an optimal design of these dampers through construction of families of frequency–response curves over a wide range of excitation amplitudes. Semi-analytical/numerical and experimental studies are carried out considering a base-excited test structure represented by a simply supported beam together with a prototype of the hysteretic damper subject to either harmonic or filtered Gaussian white noise excitations. |
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