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首页> 外文期刊>International journal of applied mechanics and engineering >AXIALLY SYMMETRIC VIBRATIONS OF FINITE COMPOSITE POROELASTIC CYLINDERS
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AXIALLY SYMMETRIC VIBRATIONS OF FINITE COMPOSITE POROELASTIC CYLINDERS

机译：有限复合多孔弹性圆柱体的轴对称振动

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Axially symmetric vibrations of a finite composite poroelastic circular cylinder are investigated employing Biot's theory of wave propagation in poroelastic media. The composite poroelastic cylinder consists of two poroelastic cylinders of different materials bonded at the plane ends. Frequency equations for such vibrations are derived both for pervious and impervious surfaces. Let the finite composite poroelastic cylinder be homogeneous and isotropic and the boundaries free from stress. Non-dimensional phase velocity for propagating modes is computed as a function of ratio of length of cylinders in the absence of dissipation. The results are presented graphically for two types of composite poroelastic cylinders and then discussed. In general, the phase velocity of composite cylinder-I is higher than that of composite cylinder-II both for a pervious and an impervious surface.
机译：利用Biot在多孔弹性介质中传播的理论，研究了有限复合多孔弹性圆柱体的轴对称振动。复合多孔弹性圆柱体由两个在平面端粘结的不同材料的多孔弹性圆柱体组成。对于渗透的和不渗透的表面，都推导了这种振动的频率方程。让有限的复合多孔弹性圆柱体是均匀且各向同性的，并且边界没有应力。在没有耗散的情况下，传播模式的无量纲相速度是圆柱长度比的函数。结果以图形方式显示了两种类型的复合多孔橡胶圆柱体，然后进行了讨论。通常，对于可透过和不可透过的表面，复合圆柱体-I的相速度都高于复合圆柱体-II的相速度。

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