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首页> 外文会议>10th Western Pacific Acoustics Conference. >The Effect of Interface Conditions on Scattering by a Poroelastic Sphere within Poroelastic Media
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The Effect of Interface Conditions on Scattering by a Poroelastic Sphere within Poroelastic Media

机译：界面条件对多孔弹性介质内多孔弹性球散射的影响

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摘要

Scattering problem of a spherical inclusion embedded within the surrounding poroelastic medium is analyzed in the context of Biot's theory. Introduced Darcy's Law governing fluid flow across the interface, the formulation of a transition matrix [C. S. Yeh, et al., J. Acoust. Soc. Am. 116, 655-676 (2004)] is developed for the most general boundary conditions applicable at the interface between two porous media. To illustrate the effect of interface conditions, we consider a simple case of the scattering problem of a poroelastic sphere embedded within the surrounding poroelastic medium subjected to an incident plane compressional wave. The numerical amplitude of normal traction shows that there is obvious difference between sealed interface condition and open interface condition. In addition, the effect of parameters of Biot theory on scattering is also examined.
机译：在Biot理论的背景下，分析了球形包裹体在周围多孔弹性介质中的散射问题。引入了达西定律（Darcy's Law），该定律控制了流体通过界面的流动，过渡矩阵的制定[C. S. Yeh等人，J。Acoust。 Soc。上午。 [116，655-676（2004）]开发了适用于两种多孔介质之间界面的最一般边界条件。为了说明界面条件的影响，我们考虑了一个简单的情况，即，一个多孔弹性球体的散射问题嵌在周围的多孔弹性介质中，并受到入射平面压缩波的影响。法向牵引力的数值幅度表明，密封界面条件与开放界面条件之间存在明显差异。此外，还研究了比奥理论参数对散射的影响。

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  • 来源
  • 会议地点 Beijing(CN);Beijing(CN)
  • 作者

    Zhengliang Cao; Shuanping Du; Shihong Zhou; Qianliu Cheng;

  • 作者单位

    Hangzhou Applied Acoustic Researched Institute,Hangzhou 310012,P.R.China;

    Hangzhou Applied Acoustic Researched Institute,Hangzhou 310012,P.R.China;

    Hangzhou Applied Acoustic Researched Institute,Hangzhou 310012,P.R.China;

    Hangzhou Applied Acoustic Researched Institute,Hangzhou 310012,P.R.China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 声学;声学;
  • 关键词

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