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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.25 No.6
- 발행연도
- 2020.1
- 수록면
- 693 - 705 (13page)
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초록· 키워드
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In the current investigation, large amplitude free vibration behavior of shallow curved pipes (tubes) made of functionally graded materials is investigated. Properties of the tube are distributed across the radius of the tube and are obtained by means of a power law function. It is also assumed that all thermo-mechanical properties are temperature dependent. The governing equations of the tube are obtained using a higher order shear deformation tube theory, where the traction free boundary conditions are satisfied on the top and bottom surfaces of the tube. The von Kármán type of geometrical non-linearity is included into the formulation to consider the large displacements and small strains. Uniform temperature elevation of the tube is also included into the formulation. For the case of tubes which are simply supported in flexure and axially immovable, the governing equations are solved using the two-step perturbation technique. Closed form expressions are provided to obtain the small and large amplitude fundamental natural frequencies of the FGM shallow curved tubes in thermal environment. Numerical results are given to explore the effects of thermal environment, radius ratio, and length to thickness ratio of the tube on the fundamental linear and non-linear frequencies.
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참고문헌 (50)
참고문헌 신청
M. Arefi / 2015 / The effect of different functionalities of FGM and FGPM layers on free vibration analysis of the FG circular plates integrated with piezoelectric layers / Smart Structures and Systems, An International Journal 15(5):1345~1362
H. Babaei / 2018 / Application of two-steps perturbation technique to geometrically nonlinear analysis of long FGM cylindrical panels on elastic foundation under thermal load / Journal of Thermal Stresses 41(7):847~865
H. Babaei / 2018 / Geometrically nonlinear analysis of shear deformable FGM shallow pinned arches on nonlinear elastic foundation under mechanical and thermal loads / Acta Mechanica 229(7):3123~3141
H. Babaei / 2018 / Geometrically nonlinear analysis of functionally graded shallow curved tubes in thermal environment / Thin-Walled Structures 132:48~57
Hadi Babaei / 2019 / Thermal buckling and post-buckling analysis of geometrically imperfect FGM clamped tubes on nonlinear elastic foundation / Applied Mathematical Modelling 71:12~30
H. Babaei / 2018 / Application of two-steps perturbation technique to geometrically nonlinear analysis of long FGM cylindrical panels on elastic foundation under thermal load / Journal of Thermal Stresses 41(7):847~865
H. Babaei / 2018 / Geometrically nonlinear analysis of shear deformable FGM shallow pinned arches on nonlinear elastic foundation under mechanical and thermal loads / Acta Mechanica 229(7):3123~3141
H. Babaei / 2018 / Geometrically nonlinear analysis of functionally graded shallow curved tubes in thermal environment / Thin-Walled Structures 132:48~57
Hadi Babaei / 2019 / Thermal buckling and post-buckling analysis of geometrically imperfect FGM clamped tubes on nonlinear elastic foundation / Applied Mathematical Modelling 71:12~30
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