Membranes in the 3D cellular solid model provide the micro-/macro scaling for the long-wavelength acoustics of real foam samples

【Author】

Camille Perrot;Minh Tan Hoang;Guy Bonnet;Fabien Chevillotte;Arnaud Duval;

【Abstract】

<正>The general objective of our work is the optimization of the longwavelength acoustic properties of real sound proofing foam samples. In this purpose,our general methodology is to use the method of periodic unit cell(PUC) reconstruction of porous media which consists of two main steps.In the first one,the critical local geometry features governing long-wavelengths acoustic wave

【Keywords】

real;UC;macro scaling for the long-wavelength acoustics of real foam samples;Membranes in the 3D cellular solid model provide the micro;

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