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2篇 您的检索式:作者名="XU Zhouchen"
    题名 作者 年代 出处 被引量
1Propagation characteristics of guided waves in a liquid filled pipe embedded in a porous medium显示文摘A model of a liquid-filled pipe embedded in a porous medium is built to research its wave propagation characteristics,and to analyze the effect of the parameters of porous media on the dispersion.The dispersion equations are established on the basis of the elastic-dynamic theory of the liquid-saturated porous solid.The characteristic of dispersion and the time domain waveform in pipes of different thicknesses and with different porous-medium parameters are discussed theoretically and numerically.Results reveal that the porosity has little impact on dispersion,and the attenuation of guided wave increases with porosity,whilst the porosity influences the displacement amplitude of the time domain waveform.It is hard to detect the permeability variation of the media by the dispersion.The drawn conclusion can provide some theoretical instruction and guidance for the nondestructive testing of buried pipe.JIANG Jian HAN Qingbang XU Zhouchen JIA Jing LIANG Dong ZHONG Xiaomin 2020Chinese Journal of Acoustics2020,39,1:2
2Interface wave propagation characteristics of liquid-immersed porous cylinder显示文摘HAN Qingbang XU Zhouchen TONG Ziwei QI Lihua WANG Peng SHAN Minglei ZHU Changping 2018Chinese Journal of Acoustics2018,37,2:0
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