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[会议论文]

NUMERICAL STUDY ON TWO CIRCLE VOID FLAWS IN CYLINDERS

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作者:

Zheng, Gang-feng (Zheng, Gang-feng.) | Wu, Bin (Wu, Bin.) | He, Cun-fu (He, Cun-fu.) (学者:何存富)

收录:

CPCI-S

摘要:

In this article, three-dimensional Kirchhoff inverse scattering method is modified to convenient form for a cylindrical specimen that includes three-dimensional defects including two-circle voids. Ultrasonic measurements are carried out. The measurement area in the modified methods is restricted in the plane perpendicular to the axis of cylindrical specimen. That's to say that the method is modified to convenient form to use measured waveforms in the x(1)-x(2) plane. The measured wave data are fed into the inversion method and cross-sectional images are obtained. We get the numerical results from all directions by finite element method. It is verified that the Kirchhoff inversion works well for shape reconstruction of defects.

关键词:

Finite element Shape reconstruction Scattering Kirchhoff approximation

作者机构:

  • [ 1 ] [Zheng, Gang-feng]Anhui Univ Sci & Technol, Coll Mat Sci & Engn, 168 Shungeng Rd, Huainan 232001, Anhui, Peoples R China
  • [ 2 ] [Wu, Bin]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100022, Peoples R China
  • [ 3 ] [He, Cun-fu]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing 100022, Peoples R China

通讯作者信息:

  • [Zheng, Gang-feng]Anhui Univ Sci & Technol, Coll Mat Sci & Engn, 168 Shungeng Rd, Huainan 232001, Anhui, Peoples R China

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来源 :

2011 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS (SPAWDA)

年份: 2011

页码: 154-156

语种: 英文

被引次数:

WoS核心集被引频次: 10

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