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High frequency energy characterization of beam structures based only on driving point mobility or impedance

High frequency energy characterization of beam structures based only on driving point mobility or impedance,10.1016/j.jsv.2005.10.027,Journal of Sound

High frequency energy characterization of beam structures based only on driving point mobility or impedance  
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This article describes a characterization method to specifically determine the asymptotic behavior of kinetic and potential energies at higher frequencies with the driving point measures only. Longitudinal and flexural motions of semi-infinite and finite beam structures are considered when a harmonic force excitation is applied. Our method predicts spectral energies well at high frequencies unlike the existing methods that are limited to low frequencies and/or lightly damped case. The new method is insensitive to the driving point mobility or impedance formulations and yields consistent results.
Journal: Journal of Sound and Vibration - J SOUND VIB , vol. 295, no. 3, pp. 1076-1084, 2006
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