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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.27 No.3
- 발행연도
- 2018.1
- 수록면
- 273 - 283 (11page)
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초록· 키워드
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Nonlinear low velocity impact response of sandwich beam with laminated composite face sheets and soft core is studied based on Extended High Order Sandwich Panel Theory (EHSAPT). The face sheets follow the Third order shear deformation beam theory (TSDT) that has hitherto not reported in conventional EHSAPT. Besides, the two dimensional elasticity is used for the core. The nonlinear Von Karman type relations for strains of face sheets and the core are adopted. Contact force between the impactor and the beam is obtained using the modified Hertz law. The field equations are derived via the Ritz based applied to the total energy of the system. The solution is obtained in the time domain by implementing the well-known Runge-Kutta method. The effects of boundary conditions, core-to-face sheet thickness ratio, initial velocity of the impactor, the impactor mass and position of the impactor are studied in detail. It is found that each of these parameters have significant effect on the impact characteristics which should be considered. Finally, some low velocity impact tests have been carried out by Drop Hammer Testing Machine. The contact force histories predicted by EHSAPT are in good agreement with that obtained by experimental results.
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참고문헌 (31)
참고문헌 신청
Abrate, S. / 2005 / Impact on Composite Structures / Cambridge University Press
Abrate, S. / 2017 / Equivalent single layer theories for composite and sandwich structures: A review / Compos. Struct. 179:482~494
Abdeldjalil Benbakhti / 2016 / A new five unknown quasi-3D type HSDT for thermomechanical bending analysis of FGM sandwich plates / Steel and Composite Structures, An International Journal 22(5):975~999
Riadh Bennai / 2015 / A new higher-order shear and normal deformation theory for functionally graded sandwich beams / Steel and Composite Structures, An International Journal 19(3):521~546
Caliri, M. / 2016 / A review on plate and shell theories for laminated and sandwich structures highlighting the Finite Element Method / Compos. Struct. 156:63~77
Abrate, S. / 2017 / Equivalent single layer theories for composite and sandwich structures: A review / Compos. Struct. 179:482~494
Abdeldjalil Benbakhti / 2016 / A new five unknown quasi-3D type HSDT for thermomechanical bending analysis of FGM sandwich plates / Steel and Composite Structures, An International Journal 22(5):975~999
Riadh Bennai / 2015 / A new higher-order shear and normal deformation theory for functionally graded sandwich beams / Steel and Composite Structures, An International Journal 19(3):521~546
Caliri, M. / 2016 / A review on plate and shell theories for laminated and sandwich structures highlighting the Finite Element Method / Compos. Struct. 156:63~77
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