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inverse simplified energy method

Journal of Mechanics (1)

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1 results

Structural Source Identification from Acoustic Measurements Using an Energetic Approach
A. Samet, M. A. Ben Souf, O. Bareille, M. N. Ichchou, T. Fakhfakh, M. Haddar
Journal:

Journal of Mechanics / Volume 34 / Issue 4 / August 2018

Published online by Cambridge University Press:

15 May 2017, pp. 431-441

Print publication:

August 2018
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An inverse energy method for the identification of the structural force in high frequency ranges from radiated noise measurements is presented in this paper. The radiation of acoustic energy of the structure coupled to an acoustic cavity is treated using an energetic method called the simplified energy method. The main novelty of this paper consists in using the same energy method to solve inverse structural problem. It consists of localization and quantification of the vibration source through the knowledge of acoustic energy density. Numerical test cases with different measurement points are used for validation purpose. The numerical results show that the proposed method has an excellent performance in detecting the structural force with a few acoustical measurements.