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Experimental and numerical study on compression-after-impact behavior of composite panels with foam-filled hat-stiffener
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Indexed by:Journal Papers

Date of Publication:2020-02-15

Journal:OCEAN ENGINEERING

Included Journals:EI、SCIE

Volume:198

ISSN No.:0029-8018

Key Words:Low-speed impact; Compression-after-impact; Composite stiffened panel; Foam-filled hat-stiffener

Abstract:Compression-after-impact tests were used to investigate the impact resistance of composite panel with hat-stiffener filled with foam via good energy absorption. The low-speed impact tests were conducted on three different locations, and then fringe projection profilometry was used to measure the full-field deflection of composite panels during compression. The experimental results show that local buckling occurs during compression of the free-impacted panels, and material compression damage of the impacted panels is caused by impact damage. The residual compressive strength of the stiffened panels is different because of damage of the stiffened panels at different impact locations. Finally, finite element simulation was performed to analyze the damage propagation in the compression-after-impact and the effect on the ultimate failure. The strain history, full-field deflection and numerical simulation results are of reference significance for the impact resistance design of hat-stiffened composite panels.

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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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