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  • Title: Vibroacoustic response sensitivity due to relative alignment of two anisotropic poro-elastic layers.
    Author: Lind Nordgren E, Göransson P, Deü JF, Dazel O.
    Journal: J Acoust Soc Am; 2013 May; 133(5):EL426-30. PubMed ID: 23656104.
    Abstract:
    The effects of relative alignment of two different types of anisotropic open cell porous materials are investigated in terms of the acoustic response of a multi-layered configuration. Numerical experiments, where gradient based optimization techniques were used, are conducted to find possible extremal values. It is shown that, depending on the degree of anisotropy of the porous material properties, their angular orientations have a significant and frequency dependent influence on the measured response. The results highlight the importance of further advancing the knowledge of anisotropic porous material behavior.
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