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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.2
- 발행연도
- 2019.1
- 수록면
- 239 - 252 (14page)
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초록· 키워드
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Since conical sandwich shells are important structures in the modern industries, in this paper, for the first time, vibration behavior of the truncated conical sandwich shells which include temperature dependent porous FG face sheets and temperature dependent homogeneous core in various thermal conditions are investigated. A high order theory of sandwich shells which modified by considering the flexibility of the core and nonlinear von Karman strains are utilized. Power law rule which modified by considering the two types of porosity volume fractions are applied to model the functionally graded materials. By utilizing the Hamilton’s energy principle, and considering the in-plane and thermal stresses in the face-sheets and the core, the governing equations are obtained. A Galerkin procedure is used to solve the equations in a simply supported boundary condition. Uniform, linear and nonlinear temperature distributions are used to model the effect of the temperature changing in the sandwich shell. To verify the results of this study, they are compared with FEM results obtained by Abaqus software and for special cases with the results in literatures. Eigen frequencies variations are surveyed versus the temperature changing, geometrical effects, porosity, and some others in the numerical examples.
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참고문헌 (52)
참고문헌 신청
Şeref D. Akbaş / 2017 / Post-buckling responses of functionally graded beams with porosities / Steel and Composite Structures, An International Journal 24(5):579~589
Othman Arioui / 2018 / Thermal buckling of FGM beams having parabolic thickness variation and temperature dependent materials / Steel and Composite Structures, An International Journal 27(6):777~788
Hassen Ait Atmane / 2015 / A computational shear displacement model for vibrational analysis of functionally graded beams with porosities / Steel and Composite Structures, An International Journal 19(2):369~384
Bardell, N. S. / 1999 / An h–p finite element vibration analysis of open conical sandwich panels and conical sandwich frusta / J. Sound Vib 226(2):345~377
Abdelouahed Tounsi / 2016 / Thermal post-buckling behavior of imperfect temperature-dependent sandwich FGM plates resting on Pasternak elastic foundation / Steel and Composite Structures, An International Journal 22(1):91~112
Othman Arioui / 2018 / Thermal buckling of FGM beams having parabolic thickness variation and temperature dependent materials / Steel and Composite Structures, An International Journal 27(6):777~788
Hassen Ait Atmane / 2015 / A computational shear displacement model for vibrational analysis of functionally graded beams with porosities / Steel and Composite Structures, An International Journal 19(2):369~384
Bardell, N. S. / 1999 / An h–p finite element vibration analysis of open conical sandwich panels and conical sandwich frusta / J. Sound Vib 226(2):345~377
Abdelouahed Tounsi / 2016 / Thermal post-buckling behavior of imperfect temperature-dependent sandwich FGM plates resting on Pasternak elastic foundation / Steel and Composite Structures, An International Journal 22(1):91~112
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