Deformation and Rigid-body-motion Measurement by Multiple Interferometric Strain/Slope Rosettes - Part II: Fringe Analysis

Tjhung T; Li K

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Deformation and Rigid-body-motion Measurement by Multiple Interferometric Strain/Slope Rosettes - Part II: Fringe Analysis

机译：多重干涉应变/斜面玫瑰花结的变形和刚体运动测量-第二部分：边缘分析

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In Part I, the Multi-ISSR measurement theory was given and validated for a three-indentation ISSR. Part II shows how fringe analysis is carried out by applying the theory to real measurement problems. Two-dimensional image processing techniques are applied to both the ISSR and the Multi-ISSR. The procedures are demonstrated through a bending experiment where a four-indentation Multi-ISSR is used. A practical example is given to demonstrate the numerical procedure involved in extracting the diffraction pattern, and calculating the shift of the zero-order diffraction peak to measure rigid-body-motion. Fringe pattern analysis includes numerical fringe separation and phase shift determination. Three practical approaches of obtaining strains by solving the governing equations relating phase shifts with strains and rigid-body-motion are discussed.

机译：在第一部分中，给出了多ISSR测量理论，并验证了三凹痕ISSR。第二部分展示了如何通过将理论应用于实际测量问题来进行条纹分析。二维图像处理技术同时应用于ISSR和Multi-ISSR。通过使用四凹口Multi-ISSR的弯曲实验证明了该程序。给出了一个实际的例子来说明在提取衍射图样，计算零级衍射峰的位移以测量刚体运动时所涉及的数值过程。条纹图案分析包括数字条纹分离和相移确定。讨论了通过求解与应变和刚体运动有关的相移的控制方程来获得应变的三种实用方法。

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《Experimental Mechanics》 |2009年第3期|共12页
作者
Tjhung T; Li K;
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正文语种 eng
中图分类实验应力分析;
关键词
Rigid-body-motion; Rosettes; ISSR; Deformation; Displacement; Interferometric strain/slope rosette; Interference; Diffraction; Two-dimensional Fast Fourier Transform; Fringe analysis; Image; processing;

机译：刚体运动;Rosettes;ISSR;变形;位移;干涉应变/斜面莲座;干涉;衍射;二维快速傅里叶变换;边缘分析;图像;处理;

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1. Deformation and Rigid-body-motion Measurement by Multiple Interferometric Strain/Slope Rosettes - Part II: Fringe Analysis [J] . Tjhung T, Li K Experimental Mechanics . 2009,第3期

机译：多重干涉应变/斜面玫瑰花结的变形和刚体运动测量-第二部分：边缘分析
2. Deformation and Rigid-Body-Motion Measurement by Multiple Interferometric Strain/Slope Rosettes - Part I: Theory [J] . Tjhung T, Li K Experimental Mechanics . 2009,第3期

机译：多干涉应变/斜面莲座形的变形和刚体运动测量-第一部分：理论
3. Deformation and Rigid-Body-Motion Measurement by Multiple Interferometric Strain/Slope Rosettes Part I: Theory [J] . T. Tjhung, K. Li Experimental Mechanics . 2009,第3期

机译：多干涉应变/斜面莲座形的变形和刚体运动测量第一部分：理论
4. Multi-Interferometric Strain/Slope Rosette for measurement of surface deformation and rigid-body-motion [C] . Tjhung T., Li K. SEM Annual Conference and Exposition on Experimental and Applied Mechanics . 2002

机译：用于测量表面变形和刚体运动的多干干涉菌株/斜率莲座
5. Applications and developments of the interferometric strain/slope rosette [D] . Tjhung, Tana 2007

机译：干涉应变/斜面玫瑰花结的应用与发展
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Deformation and Rigid-body-motion Measurement by Multiple Interferometric Strain/Slope Rosettes - Part II: Fringe Analysis

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