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Acoustic Transmission Loss through Periodic Elastic Structures

Application ID: 1974

In this model, two fluids are separated by a solid elastic structure. An acoustic pressure wave impacts the structure resulting in a reflected wave and a wave transmitted with a loss through the structure. This model investigates the transmission loss through the structure. The effects of incident angle, frequency, and dampings are studied.

Important features used: Acoustic-structure interaction with arbitrary incident angle, scattered field formulation, the perfectly matched layer (PML), and periodic Floquet boundary conditions.

Ref: S. Dey and J. J. Sirron, Proceedings of IMECE 2006, ASME 2006 International Mechanical Engineering Congress & Exposition, Chicago, USA

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