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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국계산역학회 Computers and Concrete, An International Journal Computers and Concrete, An International Journal Vol.25 No.3
- 발행연도
- 2020.3
- 수록면
- 215 - 224 (10page)
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In the present study, according to the important of porosity in low specific weight in comparison of high stiffness of carbon nanotubes reinforced composite, buckling and free vibration analysis of sandwich composite beam in two configurations, of laminates using differential quadrature method (DQM) is studied. Also, the effects of porosity coefficient and three types of porosity distribution on critical buckling load and natural frequency are discussed. It is shown the buckling loads and natural frequencies of laminate 1 are significantly larger than the results of laminate 2. When configuration 2 (the core is made of FRC) and laminate 1 ([0/90/0/45/90]s) are used, the first natural frequency rises noticeably. It is also demonstrated that the influence of the core height in the case of lower carbon volume fractions is negligible. Even though, when volume fraction of fiber increases, the critical buckling load enhances smoothly. It should be noticed the amount of decline has inverse relationship with the beam aspect ratio. Investigating three porosity patterns, beam with the distribution of porosity Type 2 has the maximum critical buckling load and first natural frequency. Among three elastic foundations (constant, linear and parabolic), buckling load and natural frequency in linear variation has the least amount. For all kind of elastic foundations, when the porosity coefficient increases, critical buckling load and natural frequency decline significantly.
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참고문헌 (83)
참고문헌 신청
Farouk Yahia Addou / 2019 / Influences of porosity on dynamic response of FG plates resting on Winkler/Pasternak/Kerr foundation using quasi 3D HSDT / Computers and Concrete, An International Journal 24(4):347~367
Mohammed A. Al-Osta / 2019 / Shear behaviour of RC beams retrofitted using UHPFRC panels epoxied to the sides / Computers and Concrete, An International Journal 24(1):37~49
S. Alimirzaei / 2019 / Nonlinear analysis of viscoelastic micro-composite beam with geometrical imperfection using FEM: MSGT electro-magneto-elastic bending, buckling and vibration solutions / Structural Engineering and Mechanics, An Int＇l Journal 71(5):485~502
B. Anirudh / 2019 / A comprehensive analysis of porous graphene-reinforced curved beams by finite element approach using higher-order structural theory: Bending, vibration and buckling / Composite Structures 222:110899
Mohammadreza Anvari / 2020 / Vibration behavior of a micro cylindrical sandwich panel reinforced by graphene platelet / Journal of Vibration and Control 26(13-14):1311~1343
Mohammed A. Al-Osta / 2019 / Shear behaviour of RC beams retrofitted using UHPFRC panels epoxied to the sides / Computers and Concrete, An International Journal 24(1):37~49
S. Alimirzaei / 2019 / Nonlinear analysis of viscoelastic micro-composite beam with geometrical imperfection using FEM: MSGT electro-magneto-elastic bending, buckling and vibration solutions / Structural Engineering and Mechanics, An Int＇l Journal 71(5):485~502
B. Anirudh / 2019 / A comprehensive analysis of porous graphene-reinforced curved beams by finite element approach using higher-order structural theory: Bending, vibration and buckling / Composite Structures 222:110899
Mohammadreza Anvari / 2020 / Vibration behavior of a micro cylindrical sandwich panel reinforced by graphene platelet / Journal of Vibration and Control 26(13-14):1311~1343
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