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Combined Implementation of Holographic and Speckle Interferometry for Comparative Local Stress Analysis at Different Vibration Modes

机译:全息和散斑干涉测量的组合实施,不同振动模式下的比较局部应力分析

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摘要

New capability of combined application of time-averaged holographic interferometry and defocused speckle photography, allowing us a comparative analysis of local stresses corresponding to different vibration modes, is considered. The main aspects of the technique developed are illustrated by using as an example bending oscillations of thin square plate with a large central circular hole. Experimental results are compared with corresponding numerical data obtained by means of the MSC/NASTRAN software,
机译:考虑了施加时间平均全息干涉测量和散焦散热率的新应用的新能力,允许我们对对应于不同振动模式的局部应力进行比较分析。通过使用具有大中心圆孔的薄方板的示例弯曲振荡来说明所开发的技术的主要方面。将实验结果与通过MSC / Nastran软件获得的相应数值数据进行比较,

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