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http://dx.doi.org/10.5139/JKSAS.2009.37.2.147

Buckling of Filament Wound Thick Composite Cylinders under External Hydrostatic Pressure  

Moon, Chul-Jin (경상대학교 대학원 항공우주공학과)
Hur, Seong-Hwa (경상대학교 대학원 항공우주공학과)
Ahn, Jung-Hee (경상대학교 대학원 항공우주공학과)
Kweon, Jin-Hwe (경상대학교 항공기부품기술연구소)
Choi, Jin-Ho (경상대학교 항공기부품기술연구소)
Cho, Jong-Rae (한국해양대학교 기계정보공학부)
Cho, Sang-Rae (울산대학교 조선해양공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.37, no.2, 2009 , pp. 147-155 More about this Journal
Abstract
The buckling and failure of filament wound thick composite cylinders under external hydrostatic pressure were investigated by the finite element analysis and test. ACOS, MSC.NASTRAN, and MSC.MARC were used for finite element analysis. T700 carbon-epoxy filament wound composite cylinders were fabricated to have winding angles of $[\pm30/90]_{FW}$, $[\pm45/90]_{FW}$, $[\pm60]_{FW}$, $[\pm60/90]_{FW}$, and tested to verify the finite element analysis. Among the softwares, ACOS predicted buckling load the best with about 1.7~14.3% deviation from test. Analysis and test shows cylinders do not recover the initial buckling pressure after buckling and directly lead to final failure.
Keywords
Buckling; Postbuckling; Filament wound; Hydrostatic pressure;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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