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학술저널
저자정보
Jalili, Sina (Mechanical Engineering Faculty, Khaje Nasir University of Technology) Zamani, Jamal (Mechanical Engineering Faculty, Khaje Nasir University of Technology) Shariyat, M. (Mechanical Engineering Faculty, Khaje Nasir University of Technology) Jalili, N. (Mechanical Engineering Faculty, Amirkabir University of Technology) Ajdari, M.A.B. (Mechanical Engineering Faculty, Khaje Nasir University of Technology) Jafari, M. (Mechanical Engineering Faculty, Khaje Nasir University of Technology)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제49권 제5호
발행연도
2014.1
수록면
555 - 568 (14page)

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In this article, stability of composite conical shells subjected to dynamic external pressure is investigated by numerical and experimental methods. In experimental tests, cross-ply glass woven fabrics were selected for manufacturing of specimens. Hand-layup method was employed for fabricating the glass-epoxy composite shells. A test-setup that includes pressure vessel and data acquisition system was designed. Also, numerical analyses are performed. In these analyses, effect of actual geometrical imperfections of experimental specimens on the numerical results is investigated. For introducing the imperfections to the numerical models, linear eigen-value buckling analyses were employed. The buckling modes are multiplied by very small numbers that are derived from measurement of actual specimens. Finally, results are compared together while a good agreement between results of imperfect numerical analyses and experimental tests is observed.

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