A Digital Scattered Light Photoelasticity Measurement Technique Using Unpolarized Light

  • KIHARA Toshiki
    Department of Mechanical Engineering, School of Science and Engineering, Kinki University

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タイトル別名
  • Digital Scattered Light Photoelasticity Measurement Technique Using Unpolarized Light

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抄録

The measurement method of scattered light photoelasticity using unpolarized light, which the secondary principal stress directions Ψj and the relative phase retardation ρj in 3-D stressed model having the rotation of the secondary principal stress directions can measure, is described by the Mueller calculus. One is the method by obtaining characteristic parameters of the optically equivalent model. The other is the proposed method using the Stokes parameters, which the Ψj and ρj can be directly measured from the scattered light. In the application of this method, the Ψj and ρj in a frozen stress sphere model are nondestructively measured by using a computer combined with a CCD camera. The experimental results for the proposed method are qualitatively compared with the mechanical slicing method and the usefulness of the method are presented.

収録刊行物

  • 実験力学

    実験力学 4 (1), 22-28, 2004

    日本実験力学会

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