Determining Aerodynamic Loads Based on Optical Deformation Measurements | Zendy

Tianshu Liu | Zendy; Danny A. Barrows | Zendy; A. W. Burner | Zendy; Ray Rhew | Zendy

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Determining Aerodynamic Loads Based on Optical Deformation Measurements

Author(s) -

Tianshu Liu,

Danny A. Barrows,

A. W. Burner,

Ray Rhew

Publication year - 2002

Publication title -

aiaa journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.828

H-Index - 158

eISSN - 1081-0102

pISSN - 0001-1452

DOI - 10.2514/2.1759

Subject(s) - aerodynamics , deformation (meteorology) , aerospace engineering , mechanics , structural engineering , materials science , physics , engineering , composite material

This paper describes a videogrammetric technique for determining aerodynamic loads based on optical elastic deformation measurements. The data reduction methods are developed to extract the normal force and pitching moment from beam deformation data. The axial force is obtained by measuring the axial translational motion of a movable shaft in a spring/bearing device. Proof-of-concept calibration experiments are conducted to assess the accuracy of this optical technique.

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