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RISS 인기검색어
- 검색키워드
- 주제어 : Membrane Prebuckling (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
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원종진,이종선,홍석주 한국공작기계학회 1997 한국생산제조학회지 Vol.6 No.2
The objective of this study is to investigate effects of prebuckling on the buckling of laminated compostie cylindrical shells. Both axial compression and lateral pressure are considered for laminated composite cylindrical shells with length to radius ratios. The shell walls are made of a laminate with several symmetric ply orientations. The study was made using finite difference energy method, utilizing the nonlinear bifurcation branch with nonlinear prebuckling displacements. The results are compared to the buckling loads determined when membrane prebuckling displacements are considered.
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이종선(Jong-Sun Lee) 한국생산제조학회 2006 한국생산제조학회지 Vol.15 No.1
Minimum weight design of laminated composite panel under combined loading was studied using linear and nonlinear deformation theories and by closed-form analysis and finite difference energy methods. Various buckling load factors are obatined for laminated composite panels with rectangular type longitudinal stiffeners and various longitudinal length to radius ratios, which are made from Carbon/Epoxy USN125 prepreg and are simply-supported on four edges under combined loading, and then for them, minimum weight design analyses are carried out by the nonlinear search optimizer, ADS. This minimum weight design analyses are constructed with various process such as the simple design process, test simulation process and sensitivity analysis. Subseguently, the buckling mode shapes are obtained by buckling and minimum weight analyses.
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