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논문 기본 정보

자료유형
학술저널
저자정보
Tohidi, H. (Department of Mechanical and Aerospace Engineering, Science and Research Branch, Islamic Azad University) Hosseini-Hashemi, S.H. (School of mechanical Engineering Iran university of Science and Technology) Maghsoudpour, A. (Department of Mechanical and Aerospace Engineering, Science and Research Branch, Islamic Azad University)
저널정보
테크노프레스 Smart structures and systems Smart structures and systems 제22권 제5호
발행연도
2018.1
수록면
527 - 546 (20page)

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This article presents an analysis into the nonlinear forced vibration of a micro cylindrical shell reinforced by carbon nanotubes (CNTs) with considering agglomeration effects. The structure is subjected to magnetic field and transverse harmonic mechanical load. Mindlin theory is employed to model the structure and the strain gradient theory (SGT) is also used to capture the size effect. Mori-Tanaka approach is used to estimate the equivalent material properties of the nanocomposite cylindrical shell and consider the CNTs agglomeration effect. The motion equations are derived using Hamilton's principle and the differential quadrature method (DQM) is employed to solve them for obtaining nonlinear frequency response of the cylindrical shells. The effect of different parameters including magnetic field, CNTs volume percent and agglomeration effect, boundary conditions, size effect and length to thickness ratio on the nonlinear forced vibrational characteristic of the of the system is studied. Numerical results indicate that by enhancing the CNTs volume percent, the amplitude of system decreases while considering the CNTs agglomeration effect has an inverse effect.

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