Modeling and numerical simulation of a nonlinear system of piano strings coupled to a soundboard.

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For some l a t e expansive siliceous aggregates and for carbonate reactive aggregates such as those from Kingston, Ontario, the concrete prism test is the only satisfactory method

This value, derived from vibratory measurements of the string is compared to direct admittance measurements performed on the beam, and to theoretical predictions, in order to

§ 2.1 for the case of the wave-guide. Although the acousti- cal radiation regime changes in that frequency region, we consider that the modal loss factors are the same as in

The synthetic description derived from Skudrzyk’s and Langley’s work is then introduced and applied to an upright piano: the average driving point mobility and its envelope

The experimental study presented here aims at estimating the modal parameters (modal frequencies, modal dampings and modal shapes) of the upright piano soundboard in the [0-500]

Identification of hyperelastic parameters c 10 (ξ, Θ), c 01 (ξ, Θ) from tensile tests performed on virgin samples at different temperatures and aged samples at different aging time

As the rotor shaft connection is stiffer, if the clamp is closed, the frequency value of the considered forward whirl is higher (figure 15, 42.4 Hz (measurement) and 42.0