Calculation of the dispersion curves of a functionally graded hollow cylinder

被引：3
|
作者：
Zhao, Y. [1 ]
Pan, Y. [1 ]
Rossignol, C.
Audoin, B.
机构：
[1] Tongji Univ, Inst Acoust, Shanghai 200092, Peoples R China
来源：
12TH INTERNATIONAL CONFERENCE ON PHONON SCATTERING IN CONDENSED MATTER (PHONONS 2007) | 2007年 / 92卷
关键词：
D O I：
10.1088/1742-6596/92/1/012106
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The method based on a Peano expansion of the matricant is proposed to calculate the dispersion curves of the radially graded hollow cylinder. The state vector and corresponding system matrix are found for isotropic and radially graded hollow cylinders. The effectiveness of the inhomogeneous model and matricant method is demonstrated on the dispersion spectra for the homogeneous hollow cylinder and rod. High sensitivity of SAW dispersion curves to various power law gradient profiles are obtained on numerical results for both hard and soft inhomogeneous coatings.
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页数：4
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