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Thermal buckling and stability of laminated plates under non uniform temperature distribution

  • Widad Ibraheem Majeed (Department of Mechanical Engineering, College of Engineering, University of Baghdad) ;
  • Ibtehal Abbas Sadiq (Department of Mechanical Engineering, College of Engineering, University of Baghdad)
  • 투고 : 2020.05.02
  • 심사 : 2023.05.16
  • 발행 : 2023.05.25

초록

Stability of laminated plate under thermal load varied linearly along thickness, is developed using a higher order displacement field which depend on a parameter "m", whose value is optimized to get results closest to three-dimension elasticity results. Hamilton, s principle is used to derive equations of motion for laminated plates. These equations are solved using Navier-type for simply supported boundary conditions to obtain non uniform critical thermal buckling and fundamental frequency under a ratio of this load. Many design parameters of cross ply and angle ply laminates such as, number of layers, aspect ratios and E1/E2 ratios for thick and thin plates are investigated. It is observed that linear and uniform distribution of temperature reduces plate frequency.

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참고문헌

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