杨小慧, 李德春, 于鹏飞. 煤层中瑞利型导波的能量分布[J]. 煤田地质与勘探, 2011, 39(4): 64-66. DOI: 10.3969/j.issn.1001-1986.2011.04.016
引用本文: 杨小慧, 李德春, 于鹏飞. 煤层中瑞利型导波的能量分布[J]. 煤田地质与勘探, 2011, 39(4): 64-66. DOI: 10.3969/j.issn.1001-1986.2011.04.016
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YANG Xiaohui, LI Dechun, YU Pengfei. Amplitude-depth distribution of Rayleigh channel wave[J]. COAL GEOLOGY & EXPLORATION, 2011, 39(4): 64-66. DOI: 10.3969/j.issn.1001-1986.2011.04.016
Citation: YANG Xiaohui, LI Dechun, YU Pengfei. Amplitude-depth distribution of Rayleigh channel wave[J]. COAL GEOLOGY & EXPLORATION, 2011, 39(4): 64-66. DOI: 10.3969/j.issn.1001-1986.2011.04.016
shu

煤层中瑞利型导波的能量分布

Amplitude-depth distribution of Rayleigh channel wave

    摘要
  • 摘要: 为了研究瑞利型导波在煤层中的能量分布规律，理论推导了3层对称弹性介质中瑞利波的频散曲线方程以及瑞利型导波的能量分布方程；绘制振幅深度分布曲线。研究表明，煤层中传播的瑞利型导波其能量主要集中在煤层中，且其能量在煤层中分布遵循一定的规律，即：瑞利型导波的x分量的能量关于煤层中心偶对称，且煤层中心能量最强；z分量关于煤层中心奇对称，且煤层中心能量最小。

     

    Abstract: The goal of this paper is to study the distribution of Rayleigh channel wave in coal seam.The paper has inferred the dispersion function of three symmetric modes and the amplitude-depth function.It has also plotted the amplitude-depth curves.It is indicated that the energy of Rayleigh mainly focus in the coal seam and its distribution follows some law.

     

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