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High speed crash test of automobile front cover plate  Measurement Purpose The displacement field and strain field of the front panel under high-speed impact are measured. Because of the fast collision speed, high-speed camera is used for observation. Inspection scheme overview High-speed camera (1920X1440) was used to observe the deformation during the impact process from one side to the other. (Camera acquisition frequency 2000 frames) 实验现场 Inspection scheme （1）Speckle pattern preparation on automobile panel surface; （2）Set up cameras and light sources on site;
（3）Real-time data acquisition from one side and impact from the other; （4）Extracting pictures from high-speed cameras for analysis; （5）Reconstruction of displacement and strain fields. Data analysis 应变场 位移场 |
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