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Electric Potential CT Method Based on BEM Inverse Analyses for Measurement of Three-Dimensional Cracks

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Book cover Computational Mechanics ’86

Summary

Feasibility of the proposed electric potential CT method was studied for detecting and measuring three-dimensional cracks. This method uses techniques of inverse analysis, by which observed values of electric potential distribution on the surfaces of a cracked body are computer-processed to detect cracks. Two schemes, i.e., “Inverse Boundary-Integral-Equation Method” and “Least Residual Method” were examined. Numerical simulations of crack shape determination were made for a rectangular surface crack, a rectangular internal crack and an L-shaped surface crack. The results demonstrated the versatility of the proposed method.

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References

  1. G. Yagawa and T. Hukuda: Science of Machine, 35–11 (1983), 1237; 35–12 (1983), 1324; 36–1 (1984), 27.

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, Osaka University, Yamadaoka, Suita, Osaka, 565, Japan

    Shiro Kubo, Takahide Sakagami & Kiyotsugu Ohji

Authors
  1. Shiro Kubo
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  2. Takahide Sakagami
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  3. Kiyotsugu Ohji
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Editor information

Editors and Affiliations

  1. Department of Nuclear Engineering, The University of Tokyo, 3-1, Hongo 7-chome, Bunkyo-ku, Tokyo 113, Japan

    Genki Yagawa

  2. Center for the Advancement of Computational Mechanics, School of Civil Engineering, Georgia Institute of Technology, 225, North Avenue, Atlanta, GA, 30332, USA

    Satya N. Atluri

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© 1986 Springer Japan

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Kubo, S., Sakagami, T., Ohji, K. (1986). Electric Potential CT Method Based on BEM Inverse Analyses for Measurement of Three-Dimensional Cracks. In: Yagawa, G., Atluri, S.N. (eds) Computational Mechanics ’86. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68042-0_193

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  • DOI: https://doi.org/10.1007/978-4-431-68042-0_193

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68044-4

  • Online ISBN: 978-4-431-68042-0

  • eBook Packages: Springer Book Archive

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