Nonlinear property of slightly compressible media permeated with air-filled bubbles

doi:10.1007/s11467-009-0006-x

Frontiers of Physics

2009, Vol. 4

Issue (1): 137-141 https://doi.org/10.1007/s11467-009-0006-x

本期目录

Nonlinear property of slightly compressible media permeated with air-filled bubbles

Bo QIN (秦波,

)

College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

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Abstract：

Based on the nonlinear oscillation of an airfilled bubble in weakly compressible media at prestressed state, the effective medium method is used to study the nonlinear property of the slightly compressible media permeated with air bubbles. It is this nonlinear oscillation of air bubbles that results in the nonlinear property of the porous media. Numerical results have confirmed that the nonlinearity of the porous media is usually high, though the optimal porosity is very small. Moreover, the nonlinear property is greatly affected by the prestressed state, porosity, and shear modulus of the matrix media.

Key words： slightly compressible media porous media effective medium method nonlinear parameter

收稿日期: 2008-04-16 出版日期: 2009-03-05

Corresponding Author(s): null,Email:qinbo@nuaa.edu.cn

引用本文:

. Nonlinear property of slightly compressible media permeated with air-filled bubbles[J]. Frontiers of Physics, 2009, 4(1): 137-141.
Bo QIN (秦波). Nonlinear property of slightly compressible media permeated with air-filled bubbles. Front. Phys. , 2009, 4(1): 137-141.

链接本文:

https://academic.hep.com.cn/fop/CN/10.1007/s11467-009-0006-x
https://academic.hep.com.cn/fop/CN/Y2009/V4/I1/137

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