Titlebook: Rotating Machinery, Vibro-Acoustics & Laser Vibrometry, Volume 7; Proceedings of the 3 Dario Di Maio Conference proceedings 2019 The Societ

UTTER

HAIRY

On the Implementation of Metastructures in Rotordynamics,e rotating devices. Their performances are analyzed with and without a balanced mistuning added to the metastructure. A number of distributed absorbers is set in order to act on each mode to be damped. Their vibration amplitude is firstly compared by keeping the total mass constant with respect to t

无辜

Analysis of the Dynamic Response of Coupled Coaxial Rotors,es which have a frequency which linearly increases with speed. A parameter study was performed in order to obtain a better understanding of the sensitivity of the modal properties. It was found that increasing the inter-shaft bearing stiffness can raise the natural frequencies of the modes at low sp

avenge

Characterization of Torsional Vibrations: Torsional-Order Based Modal Analysis,velopment of the so-called Torsional-Order Based Modal Analysis (T-OBMA) technique. As its name suggests, this technique is base upon the Order-Based Modal Analysis (OBMA) technique that showed to be very powerful for identifying the modal parameters in operational conditions in case of rotating mac

Arable

Long-Term Automatic Tracking of the Modal Parameters of an Offshore Wind Turbine Drivetrain System standing in the dynamics of the OWT. The used automatic tracking procedure is based on the well-known parametric operational modal analysis algorithm, pLSCF estimator. The experimental data used in this paper has been obtained during a long-term measurement campaign lasting 6 months on an offshore w

现晕光

Pushing 3D Scanning Laser Doppler Vibrometry to Capture Time Varying Dynamic Characteristics, software setup, as well as data acquisition and processing methods it was possible to utilize a scanning LDV system to collect sufficient information to provide a measure of the time varying dynamic characteristics of the test article. This work will demonstrate the techniques used, the acquired re

骚动

Using High-Resolution Measurements to Update Finite Element Substructure Models, data at every node on one surface of the blade. This data was used to update the finite element model so that it exactly matched test data. A simple substructuring example of fixing the base of the blade was performed and compared to previously measured fixed-base data.

chassis

土坯

Remote Damage Detection of Rotating Machinery,tor as well as a spatially separated location, a transfer function between the two measurements can be developed in a similar fashion to a frequency response function. Using the developed transfer function and spectral analysis, remote measurements can then be used to reconstruct the vibration signa

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