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Wave motion in anisotropic media by dynamic photomechanics

Ultrahigh-speed photographic techniques are developed for photomechanically recording wave propagation in composites and rock

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Abstract

Photomechanical techniques are developed for studying wave propagation in anisotropic media such as fiber-reinforced composites and rocks. Moiré fringes in transparent and opaque materials, and isochromatic fringes in transparent composites, are photographed at rates up to over one-million frames/second. A Beckman and Whitley 189 framing camera is utilized with illumination provided by argon flashbombs or a special electronic flash.

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Authors and Affiliations

  1. Stress Analysis, IIT Research Institute, 60616, Chicago, IL

    R. E. Rowlands (Senior Research Engineer) & I. M. Daniel (Manager)

  2. M. E. Department, Indian Institute of Technology, Kanpur, India

    R. Prabhakaran (Assistant Professor)

Authors
  1. R. E. Rowlands
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  2. I. M. Daniel
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  3. R. Prabhakaran
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Rowlands, R.E., Daniel, I.M. & Prabhakaran, R. Wave motion in anisotropic media by dynamic photomechanics. Experimental Mechanics 14, 433–439 (1974). https://doi.org/10.1007/BF02324023

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