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Stockbridge-type damper effectiveness evaluation. II. The influence of the impedance matrix terms on the energy dissipated

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4 Author(s)
Diana, G. ; Dept. of Mech., Politecnico di Milano, Italy ; Manenti, A. ; Pirotta, C. ; Zuin, A.

For pt.I see ibid., vol.18, no.4, p.1462-9 (2003). This paper deals with a methodology to evaluate the 2×2 mechanical impedance matrix of a nonsymmetric Stockbridge-type damper, based on damper translational tests on a shaker and on a 6 d.o.f model of the damper itself. A series of comparisons with data measured on a laboratory span is reported, in order to investigate the effect of the single matrix terms on the global energy dissipation. The results of a software simulating the aeolian vibration behavior of a cable+damper system, accounting for the most important terms of the damper impedance matrix, are also presented.

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Power Delivery, IEEE Transactions on  (Volume:18 ,  Issue: 4 )