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有液层负载时各向异性薄板中Lamb波的传播

严萍, 朱哲民, 杜功焕

严萍, 朱哲民, 杜功焕. 有液层负载时各向异性薄板中Lamb波的传播[J]. 声学学报, 2001, 26(5): 429-434. DOI: 10.15949/j.cnki.0371-0025.2001.05.009
引用本文: 严萍, 朱哲民, 杜功焕. 有液层负载时各向异性薄板中Lamb波的传播[J]. 声学学报, 2001, 26(5): 429-434. DOI: 10.15949/j.cnki.0371-0025.2001.05.009
YAN Ping, ZHU Zhemin, DU Gonghuan. The propagation of Lamb waves in an anisotropic plate bordered with liquid layers[J]. ACTA ACUSTICA, 2001, 26(5): 429-434. DOI: 10.15949/j.cnki.0371-0025.2001.05.009
Citation: YAN Ping, ZHU Zhemin, DU Gonghuan. The propagation of Lamb waves in an anisotropic plate bordered with liquid layers[J]. ACTA ACUSTICA, 2001, 26(5): 429-434. DOI: 10.15949/j.cnki.0371-0025.2001.05.009

有液层负载时各向异性薄板中Lamb波的传播

基金项目: 

国家自然科学基金资助项目

详细信息
  • PACS: 

The propagation of Lamb waves in an anisotropic plate bordered with liquid layers

  • 摘要: 研究各向异性板有液层负载时板中Lamb波的传播.以微传感领域常用的ZnO等为例,从弹性波传播理论出发,结合边界条件,导得了各向异性薄板有液层负载时板中Lamb波传播的色散方程,这也同样适用于正交晶体系,正方晶体系和立方晶体系的晶体.数值计算结果表明,各向异性板中Lamb波相速度随液层厚度增加呈周期变化.当单面有液层负载的薄板厚度2d很小时,A0模式的类Lamb波的微质量传感特性也作了讨论.
    Abstract: Based on elastic wave propagation theory, a dispersion equation for thin anisotropic plate (such as commonly used ZnO) bordered with liquid layers is derived. Higher symmetry crystals, such as orthorhombic, tetragonal, cubic, isotropic, are contained implicitly in this analysis. For the case of one liquid layer loading, numerical calculations show that the phase velocity changes periodically with the thickness of liquid layer. When the thickness of the anisotropic plate 2d is very small, mass sensing application of A0 mode Lamb wave is also discussed.
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出版历程
  • 收稿日期:  2000-03-26
  • 修回日期:  2000-06-18
  • 网络出版日期:  2022-07-31

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