Simultaneous Stereo Digital Image Correlation and Pressure-Sensitive Paint Measurements of a Compliant Panel in a Mach 2 Wind Tunnel

2018 ◽  
Author(s):  
Daniel R. Ogg ◽  
Brian E. Rice ◽  
Scott J. Peltier ◽  
Jeffrey T. Staines ◽  
Steven L. Claucherty ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Digital Image Correlation ◽  
Digital Image ◽  
Image Correlation ◽  
Pressure Sensitive Paint ◽  
Pressure Sensitive ◽  
Stereo Digital Image Correlation

Experimental Study on Flow-Induced Full-Field Vibration of a Flexible Splitter Plate Behind a Cylinder Using Stereo-Digital Image Correlation

2020 ◽  
Vol 143 (3) ◽  
Author(s):  
Ruili Xie ◽  
Liping Yu ◽  
Weidong Zhu ◽  
Bing Pan
Keyword(s):  
Wind Tunnel ◽  
Digital Image Correlation ◽  
Digital Image ◽  
Plane Deformation ◽  
Splitter Plate ◽  
Image Correlation ◽  
Full Field ◽  
Out Of Plane ◽  
Stereo Digital Image Correlation ◽  
Deformation Measurements

Abstract The flow-induced vibration of a flexible splitter plate behind a circular cylinder is investigated experimentally in this study. Unlike previous studies that mainly devoted to flow dynamics, the full-field three-dimensional (3D) dynamic deformation of a splitter plate behind a cylinder in the wind tunnel is measured with an easy-to-implement, compact but practical single-camera high-speed (SCHS) stereo-digital image correlation (DIC) system. The system parameters of the wind tunnel, the configuration of the SCHS-DIC system, and the measurement principles are introduced first. Then, the effectiveness, accuracy, and stability of the SCHS stereo-DIC system are verified by the deformation measurements of the high-stiffness fixed cylinder. Finally, the full-field dynamic 3D deformation measurements of different splitter plates are carried out under different wind speeds. Results of the polyvinyl chloride (PVC) splitter plate show that the out-of-plane deformation is much larger than in-plane deformation. The maximum deformation occurs at the tip region of the plate, the position of which can move non-periodically along the free-end edge. The full-field deformation of the plate presents the characteristics of complex vortex distribution with high and low fluctuations, and exhibits an asymmetric and non-periodic oscillation in the out-of-plane direction. The comparison results reveal how the wind load and material type of the plate affect the oscillation characteristics.

Impact of motion blur on stereo-digital image correlation with the focus on a drone-carried stereo rig

Strain ◽  
2018 ◽  
Vol 55 (1) ◽  
pp. e12300
Author(s):  
R. Balcaen ◽  
A. Lavatelli ◽  
C. Jiménez-Peña ◽  
H. Pfeiffer ◽  
E. Zappa ◽  
...  
Keyword(s):  
Digital Image Correlation ◽  
Digital Image ◽  
Motion Blur ◽  
Image Correlation ◽  
Stereo Digital Image Correlation

scholarly journals High-Speed X-ray Stereo Digital Image Correlation for Fluid-Structure Interactions in a Shock Tube

2020 ◽  
Author(s):  
Jeremy James ◽  
Elizabeth M. Jones ◽  
Enrico C. Quintana ◽  
Kyle P. Lynch ◽  
Benjamin R. Halls ◽  
...  
Keyword(s):  
Digital Image Correlation ◽  
Shock Tube ◽  
Digital Image ◽  
High Speed ◽  
Image Correlation ◽  
Fluid Structure Interactions ◽  
Fluid Structure ◽  
X Ray ◽  
Stereo Digital Image Correlation

Target-based calibration method for multifields of view measurement using multiple stereo digital image correlation systems

2017 ◽  
Vol 56 (12) ◽  
pp. 1 ◽  
Author(s):  
Shuai Dong ◽  
Shanshan Yu ◽  
Zheng Huang ◽  
Shoutan Song ◽  
Xinxing Shao ◽  
...  
Keyword(s):  
Digital Image Correlation ◽  
Digital Image ◽  
Calibration Method ◽  
Image Correlation ◽  
Stereo Digital Image Correlation

A Study on the Target 2D Tracking Analysis Using Digital Image Correlation at Bridge Deck Wind Tunnel Test

2012 ◽  
Vol 18 (1) ◽  
pp. 2127-2135
Author(s):  
Seung-Taek Oh ◽  
Nak-Hyun Chun ◽  
Seung-Young Yoo ◽  
Ho-Yeop Lee ◽  
Hak-Eun Lee
Keyword(s):  
Wind Tunnel ◽  
Digital Image Correlation ◽  
Digital Image ◽  
Bridge Deck ◽  
Wind Tunnel Test ◽  
Image Correlation
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