Sound transmission loss of insulating complex structures
Keywords:Acoustic fields, Acoustic impedance, Computer simulation, Convergence of numerical methods, Green's function, Mathematical models, Matrix algebra, Porous materials, Sound insulating materials, Insultating complex structures, Sound transmission loss, Transfer matrix method
AbstractThe Transfer Matrix Method (TMM) is extended to handle the transmission loss of finite stiffened and orthotropic structures lined by porous materials in a multi-layered configuration. The effects of curvature, stiffeners and heterogeneity are considered. The resulting model is easily adaptable to multi-layer configurations.
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