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Optical measurement on dynamic buckling behavior of stiffened composite panels under in-plane shear
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Indexed by:期刊论文

Date of Publication:2016-12-01

Journal:OPTICS AND LASERS IN ENGINEERING

Included Journals:SCIE、EI、Scopus

Volume:87

Page Number:111-119

ISSN No.:0143-8166

Key Words:Fringe projection profilometry; Buckling; Stiffened composite panel; In-plane shear

Abstract:The budding behavior and failure mode of a composite panel stiffened by I-shaped stringers under in plane shear is studied using digital fringe projection profilometry. The basic principles of the dynamic phase-shifting technique, multi-frequency phase-unwrapping technique and inverse-phase technique for nonlinear error compensation are introduced. Multi-frequency fringe projection profilometry was used to monitor and measure the change in the morphology of a discontinuous surface of the stiffened composite panel during in-plane shearing. Meanwhile, the strain history of multiple points on the skin was obtained using strain rosettes. The buckling mode and deflection of the panel at different moments were analyzed and compared with those obtained using the finite element method. The experimental results validated the FEM analysis. (C) 2016 Elsevier Ltd. All rights reserved.

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Supervisor of Master's Candidates

Gender:Male

Alma Mater:Dalian University of Technology (DUT)

Degree:Doctoral Degree

School/Department:State Key Laboratory of Industrial Equipment for Structral Analysis, Department of Engineering Mechanics

Discipline:Solid Mechanics. Applied and Experimental Mechanics. Engineering Mechanics. Mechanical Manufacture and Automation. Vehicle Engineering. Aerospace Mechanics and Engineering. mechanics of manufacturing process

Business Address:Room 321, Department of Engineering Mechanics

Contact Information:Tel.: 86 0411-84708406 Email: leizk@dlut.edu.cn

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