| 离焦散斑技术研究Kirchhoff板在动载作用期的弯曲 |
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| 引用本文： | 韩雷,伍小平,胡时胜.离焦散斑技术研究Kirchhoff板在动载作用期的弯曲[J].光子学报,1991,20(4):409-413. |
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| 作者姓名： | 韩雷 伍小平 胡时胜 |
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| 作者单位： | 中国科学技术大学，中国科学技术大学，中国科学技术大学 合肥 230026，合肥 230026，合肥 230026 |
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| 摘 要： | 本文使用动态离焦散斑技术,测试板的动态弯曲获得成功。并推导了Kirchhoff板动态变形的有关分析,提出了由最大斜率确定材料常数的思想。显然,这是同离焦散斑方法所测数据直接相关的处理手法。
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| 关 键 词： | 离焦散斑摄影 脉冲激光 动态变形 |
DYNAMIC DEFOCUS SPECKLE PHOTOGRAPHY FOR BENDING OF KIRCHHOFF PLATE WITH AN ARBITRARY TIME DEPENDENCE |
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| Han Lei,Wu Xiaoping and Hu Shisheng University of Science & Technology of China,Hefei.DYNAMIC DEFOCUS SPECKLE PHOTOGRAPHY FOR BENDING OF KIRCHHOFF PLATE WITH AN ARBITRARY TIME DEPENDENCE[J].Acta Photonica Sinica,1991,20(4):409-413. |
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| Authors: | Han Lei Wu Xiaoping and Hu Shisheng University of Science & Technology of China Hefei |
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| Institution: | Han Lei,Wu Xiaoping and Hu Shisheng University of Science & Technology of China,Hefei 230026 |
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| Abstract: | Transient defocus speckle photography, with a double pulsed ruby laser as the light source, is utilized to record the dynamic deformation of plates made of aluminum. A simplified formal solution is derived from the Kirchhoff plate equation with a point impact of finite duration. A method for determining material parameters from the experimental data is hence developed. |
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| Keywords: | Defocus speckle photography Pulsed laser Dynamic deformation |
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