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REN Yun-yan, HAN Feng, SHI Shou-xia. Dynamic Stress Intensity Factor and Scattering of SH Wave by Circle Canyon and Crack[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2000, 9(3): 255-261.
Citation: REN Yun-yan, HAN Feng, SHI Shou-xia. Dynamic Stress Intensity Factor and Scattering of SH Wave by Circle Canyon and Crack[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2000, 9(3): 255-261.
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Dynamic Stress Intensity Factor and Scattering of SH Wave by Circle Canyon and Crack

  • 1.

    School of Mechano Electronics Engineering, Beijing Institute of Technology, Beijing 100081

  • 2.

    Solid Mechanics Research Center, Beijing University of Aeronautics and Astronautics, Beijing 100083

  • Received Date:1999-10-08
    Abstract
  • The dynamic stress intensity factor (DSIF) and the scattering of SH wave by circle canyon and crack are studied with Green's function. In order to solve the problem, a suitable Green's function is constructed first, which is the solution of displacement fields for elastic half space with circle canyon under output plane harmonic line loading at horizontal surface. Then the integral equation for determining the unknown forces in the problem can be changed into the algebraic one and solved numerically so that crack DSIF can be determined. Last when the medium parameters are altered, the influence on the crack DSIF is discussed partially with the displacement between circle canyon and crack.
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    • References (6)
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