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MEASUREMENTS FOR DYNAMIC DEFORMATION BY MISMATCH WHITE SPECKLE METHOD

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【Author】 Chen fang Cao Zheng-yuanFang Ru-hua Chen Ping-ping(Laboratory of Photo-Mechanics, Department of Engineering Mechanics, Tongji University, Shanghai)

【机构】 Laboratory of Photo-Mechanics； Department of Engineering Mechanics； Tongji University； Shanghai； Shanghai；

【摘要】 <正> This paper presents a simple method for measuremts of dynamic deformation bymismatch white speckle method using dynamic photoelastic device.The method is able tomeasure not only large dynamic deformation,but also small dynamic deformation.Combined with dynamic isochromate pattern,the elastic modulus Poisson’s ratioand dynamic material fringe value of the material measured can be obtained by themethod.更多还原

【Abstract】 This paper presents a simple method for measurements, of dynamic deformation by mismatch white speckle method using dynamic photoelastic device. The method is able to measure not only large dynamic deformation[1], but also small dynamic deformation. Combined with dynamic isochromatepattern, the elastic modulus Poisson’s ratio and dynamic material fringe value of the material measured can be obtained by the method.更多还原

【关键词】 speckle； modulus； fringe； Poisson； DYNAMIC； camera； spark； specimen； resolving； complement；

【文献出处】 Applied Mathematics and Mechanics(English Edition) ,应用数学和力学(英文版) , 编辑部邮箱 ,1986年09期

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