지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
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The initial buckling of thin walled structures does not result in immediate failure. This post buckling capability is used to achieve light weight design, and final failure of thin walled structure is called crippling. To predict the failure load, empirical methods are often used for thin walled structures in design stage. But empirical method accuracy depend on geometry. In this study, experimental, empirical and numerical study of the crippling behavior of I-section beam made of carbon-epoxy are performed. The progressive failure analysis model to simulate the crippling failure is evaluated using the test results. In this study, commercial software LS-DYNA is utilized to compute the collapse load of composite specimen. Six kinds of specimens were tested in axial compression where correlation between analytical and experimental results has performed. From the results, we have partially conclude that the flange width-to-thickness ratio is found to influence the accuracy of empirical and numerical method.
목차
등록된 정보가 없습니다.
참고문헌 (7)
참고문헌 신청
ZP. Bazant / 2010 / Stability of structures / Oxford University Press
D. L. Bonanni / 1991 / Local crippling of thin-walled graphite-epoxy stiffeners / AIAA Journal 29(29):1951~1959
T. Von Karman / 1932 / The strength of thin plates in compression / ASTM Appl Mech Trans 54:53~57
Composite Materials Handbook / MIL-HDBK-17H
A-basis and B-basis design allowables for epoxy - based prepreg / AGATE-WP3.3-033051-135
D. L. Bonanni / 1991 / Local crippling of thin-walled graphite-epoxy stiffeners / AIAA Journal 29(29):1951~1959
T. Von Karman / 1932 / The strength of thin plates in compression / ASTM Appl Mech Trans 54:53~57
Composite Materials Handbook / MIL-HDBK-17H
A-basis and B-basis design allowables for epoxy - based prepreg / AGATE-WP3.3-033051-135
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