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Measurement of quasi-longitudinal wave power in thin single-layer naturally orthotropic plates
journal contributionposted on 2017-12-06, 00:00 authored by Nirmal MandalNirmal Mandal, R Rahman, M Leong
The measurement of vibration power flow in structures is very useful for studying noise and vibration problems in industry. In this article the structural intensity technique is used to formulate in-plane wave power flow in naturally orthotropic plates. A new analytical vibration power flow model is developed in the frequency domain. This model requires only one cross-spectral density function of the field signal to obtain the magnitude of the intensity vector of power flow in a chosen direction at a particular point on a plate. This new model does not depend on far field approximations.
Number of Pages3
PublisherInternational Institute of Acoustics and Vibration IIAV
External Author AffiliationsDhaka University of Engineering and Technology; Institute of Noise and Vibration;