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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.41 No.4
- 발행연도
- 2021.11
- 수록면
- 595 - 608 (14page)
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초록· 키워드
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In this study, the active control and vibration analysis of a micro sandwich beam based on modified couple stress theory (MCST) are investigated. The core of sandwich structure is porous and the face sheets are made from piezoelectric material and reinforced by carbon nanotubes. The generalized rule of mixture is employed to predict the mechanical and electrical properties of a micro sandwich composite beam. Based on Hamilton’s principle, the governing equations of motion for a micro Reddy beam are derived and active control is considered by the state space representation of the system. The results of this research show that the porosity coefficient, porosity distributions, carbon nanotubes (CNTs) volume fraction, CNTs distributions, the material length scale parameter and different face sheet and core thicknesses effect on the natural frequencies, the resonance phenomenon, settling time and deflection response of system. This research can provide a valuable background for further experimental studies as a basic investigation for applications of a micro sandwich beams in the field of micro robots. Also the results are potentially useful for active control, preventing the resonance phenomenon, design and optimization of micro sandwich beams.
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참고문헌 (57)
참고문헌 신청
Şeref Doğuşcan Akbaş / 2018 / Forced vibration analysis of functionally graded porous deep beams / Composite Structures 186:293~302
S.M. AkhavanAlavi / 2019 / Active control of micro Reddy beam integrated with functionally graded nanocomposite sensor and actuator based on linear quadratic regulator method / European Journal of Mechanics - A/Solids 74:449~461
Mohammad Arefi / 2015 / Elastic solution of a curved beam made of functionally graded materials with different cross sections / Steel and Composite Structures, An International Journal 18(3):659~672
M. Arefi / 2016 / Free vibration analysis of functionally graded laminated sandwich cylindrical shells integrated with piezoelectric layer / Applied Mathematics and Mechanics 37(7):821~834
M Arefi / 2018 / Nonlinear free and forced vibration analysis of embedded functionally graded sandwich micro beam with moving mass / Journal of Sandwich Structures & Materials 20(4):462~492
S.M. AkhavanAlavi / 2019 / Active control of micro Reddy beam integrated with functionally graded nanocomposite sensor and actuator based on linear quadratic regulator method / European Journal of Mechanics - A/Solids 74:449~461
Mohammad Arefi / 2015 / Elastic solution of a curved beam made of functionally graded materials with different cross sections / Steel and Composite Structures, An International Journal 18(3):659~672
M. Arefi / 2016 / Free vibration analysis of functionally graded laminated sandwich cylindrical shells integrated with piezoelectric layer / Applied Mathematics and Mechanics 37(7):821~834
M Arefi / 2018 / Nonlinear free and forced vibration analysis of embedded functionally graded sandwich micro beam with moving mass / Journal of Sandwich Structures & Materials 20(4):462~492
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