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| Research on relationships between Lamb wave velocity and static stress in metal plate | |
| 引用本文： | WANG Jun WANG Yinguan. Research on relationships between Lamb wave velocity and static stress in metal plate[J]. 声学学报：英文版, 2006, 25(4): 310-318 |
| 作者姓名： | WANG Jun WANG Yinguan |
| 作者单位： | [1]Institute of Acoustics, Tongji University Shanghai 200092 [2]Department of physics, Chongqing education college Chongqing 400067 |
| 基金项目： | This work was supported by Chongqing municipal commission of education (No. KJ061502). |
| 摘 要： | On the fact that an isotropic metal solid produces anisotropic property in the state of static stress, based on the theory of the nonlinear acoustoelasticity, the equivalent second order elastic constants are calculated for metal plate with static stress. For the case of thin metal plate with stress, the two kinds of dispersion equation for Lamb waves propagating parallel and vertical to the direction of static stress are derived. Using the equations, the relationships between Lamb wave velocity and static stress in a metal plate are discussed. |
| 关 键 词： | Lamb波速 静态应力 金属板 声学工程 |
| 收稿时间： | 2005-11-10 |
| 修稿时间： | 2005-11-102006-02-10 |
Research on relationships between Lamb wave velocity and static stress in metal plate |
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| WANG Jun,WANG Yinguan. Research on relationships between Lamb wave velocity and static stress in metal plate[J]. Chinese Journal of Acoustics, 2006, 25(4): 310-318 | |
| Authors: | WANG Jun WANG Yinguan |
| Abstract: | On the fact that an isotropic metal solid produces anisotropic property in the state of static stress, based on the theory of the nonlinear acoustoelasticity, the equivalent second- order elastic constants are calculated for metal plate with static stress. For the case of thin metal plate with stress, the two kinds of dispersion equation for Lamb waves propagating parallel and vertical to the direction of static stress are derived. Using the equations, the relationships between Lamb wave velocity and static stress in a metal plate are discussed. |
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