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WANG Ji-jun, SHEN Zhong-hua, NI Xiao-wu, XU Bai-qiang, GUAN Jian-fei, LU Jiang. Numerical simulation of laser-generated ultrasonic by finite element method in the transparent coating-substrate system[J]. LASER TECHNOLOGY, 2006, 30(2): 177-180.
Citation: WANG Ji-jun, SHEN Zhong-hua, NI Xiao-wu, XU Bai-qiang, GUAN Jian-fei, LU Jiang. Numerical simulation of laser-generated ultrasonic by finite element method in the transparent coating-substrate system[J]. LASER TECHNOLOGY, 2006, 30(2): 177-180.
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Numerical simulation of laser-generated ultrasonic by finite element method in the transparent coating-substrate system

  • 1.

    Department of Applied Physics, Nanjing University of Science and Technology, Nanjing 210094, China;

  • 2.

    Faculty of Science, Jiangsu University, Zhenjiang 212013, China

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  • Received Date: March 08, 2005
  • Revised Date: May 25, 2005
  • Published Date: March 24, 2006
    Graphical Abstract
    • Abstract
  • The finite element model of the thermal conductive equation and the thermo-elastic equation in the system consisting of a transparent coating and a opaque substrate is established based on the analysis of the stability of solution and two important parameters,meshing size and time step.Taking into account the temperature dependence of material properties,the transient temperature is obtained.The near-axis normal waveforms at the epicenter generated by thermo-elastic effect are obtained.The influence of the coating thickness on the waveform is analyzed.
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    • References (13)
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