Acoustic Transmission Loss Through Multilayer Periodic Elastic Structures

Application ID: 26841


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

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

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