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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.32 No.5
- 발행연도
- 2019.1
- 수록면
- 633 - 642 (10page)
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초록· 키워드
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In this work, lightweight sandwich plates consisting of a functionally graded porous (FGP) core and two laminated composite face sheets resting on elastic foundation have been proposed. Three different profiles are considered for the distributions of porosities along core thickness. The main aim of this paper is the investigation of the buckling behavior of the proposed porous sandwich plates (PSPs) by reporting their critical mechanical loads and their corresponding mode shapes. A finite element method (FEM) based on first order shear deformation theories (FSDT) is developed to discretize governing equations for the buckling behavior of the proposed sandwich plates. The effects of porosity dispersion and volume, the numbers and angles of laminated layers, sandwich plate geometrical dimensions, elastic foundation coefficients, loading and boundary conditions are studied. The results show that the use of FGP core can offer a PSP with half weight core and only 5% reduction in critical buckling loads. Moreover, stacking sequences with only ±45 orientation fibers offer the highest values of buckling loads.
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참고문헌 (53)
참고문헌 신청
B. Afsharmanesh / 2014 / Buckling and vibration of laminated composite circular plate on Winkler-type foundation / Steel and Composite Structures, An International Journal 17(1):1~19
Aram, E. / 2016 / A review on the micro-and nanoporous polymeric foams : Preparation and properties / Int. J. Polym. Mater. Polym. Biomater 65:358~375
Birmana, V. / 2018 / Review of current trends in research and applications of sandwich structures / Compos. Part B Eng 142:221~240
Cetkovic, M. / 2009 / Bending, free vibrations and buckling of laminated composite and sandwich plates using a layerwise displacement model / Compos. Struct 88:219~227
Dash, P. / 2009 / Nonlinear free vibration of piezoelectric laminated composite plate / Finite Elem. Anal. Des 45:686~694
Aram, E. / 2016 / A review on the micro-and nanoporous polymeric foams : Preparation and properties / Int. J. Polym. Mater. Polym. Biomater 65:358~375
Birmana, V. / 2018 / Review of current trends in research and applications of sandwich structures / Compos. Part B Eng 142:221~240
Cetkovic, M. / 2009 / Bending, free vibrations and buckling of laminated composite and sandwich plates using a layerwise displacement model / Compos. Struct 88:219~227
Dash, P. / 2009 / Nonlinear free vibration of piezoelectric laminated composite plate / Finite Elem. Anal. Des 45:686~694
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