Numerical simulation of ultrasonic guided waves using the Scaled Boundary Finite Element Method

被引：5
|
作者：
Gravenkamp, Hauke [1 ]
Song, Chongmin
Prager, Jens [1 ]
机构：
[1] Fed Inst Mat Res & Testing, D-12200 Berlin, Germany
来源：
2012 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2012年
关键词：
D O I：
10.1109/ULTSYM.2012.0673
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The formulation of the Scaled Boundary Finite Element Method is applied for the computation of dispersion properties of ultrasonic guided waves. The cross-section of the waveguide is discretized in the Finite Element sense, while the direction of propagation is described analytically. A standard eigenvalue problem is derived to compute the wave numbers of propagating modes. This paper focuses on cylindrical waveguides, where only a straight line has to be discretized. Higher-order elements are utilized for the discretization. As examples, dispersion curves are computed for a homogeneous pipe and a layered cylinder.
引用
收藏
页码：2686 / 2689
页数：4
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