THREE-DIMENSIONAL VIBRATION ANALYSIS AND CRITICAL SPEED OF ROTATING ORTHOGONALLY STIFFENED LAMINATED CYLINDRICAL SHELLS UNDER AXIAL LOAD AND PRESSURE

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DANESHJOU K.; MADOLIAT R.; TALEBITOOTI M.

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Journal: Modares Mechanical Engineering Year:2013 | Volume:12 | Issue:6 Page(s): 80-94

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Title

THREE-DIMENSIONAL VIBRATION ANALYSIS AND CRITICAL SPEED OF ROTATING ORTHOGONALLY STIFFENED LAMINATED CYLINDRICAL SHELLS UNDER AXIAL LOAD AND PRESSURE

Author(s)

DANESHJOU K. | MADOLIAT R. | TALEBITOOTI M. | Issue Writer Certificate

Keywords

ROTATING CYLINDRICAL SHELLQ2

RING AND STRINGER STIFFENERSQ2

THREE-DIMENSIONAL ELASTICITY THEORYQ2

CRITICAL SPEEDQ2

LAYER- WISE THEORYQ2

Abstract

In this paper, an approximate solution using layer-wise theory for the vibration analysis of rotating laminated cylindrical shells with RING AND STRINGER STIFFENERS under axial load and pressure is presented. The cylindrical shells are stiffened with uniform interval and it is assumed that the stiffeners have the same material and geometric properties and cylindrical shell reinforced by outer stiffeners while stiffeners are treated as discrete elements. The equations of motion are derived by the Hamilton’s principle. In deriving the governing equations THREE-DIMENSIONAL ELASTICITY THEORY are used and the study includes the effects of the Coriolis and centrifugal accelerations and the initial hoop tension. The layer-wise theory is used to discretize the equations of motion and the related boundary conditions through the thickness of the shells. The edges of the shell are restrained by simply supported boundary conditions. The presented results are compared with those available in the literature and also with the FE results and excellent agreement is observed. Finally, the results obtained include the relationship between frequency characteristics of stiffened cylindrical shell and different geometry of stiffeners, stiffener type, rotating velocities, amplitude of pressure and amplitude of axial load.

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APA: Copy

DANESHJOU, K., MADOLIAT, R., & TALEBITOOTI, M.. (2013). THREE-DIMENSIONAL VIBRATION ANALYSIS AND CRITICAL SPEED OF ROTATING ORTHOGONALLY STIFFENED LAMINATED CYLINDRICAL SHELLS UNDER AXIAL LOAD AND PRESSURE. MODARES MECHANICAL ENGINEERING, 12(6), 80-94. SID. https://sid.ir/paper/178584/en

Vancouver: Copy

DANESHJOU K., MADOLIAT R., TALEBITOOTI M.. THREE-DIMENSIONAL VIBRATION ANALYSIS AND CRITICAL SPEED OF ROTATING ORTHOGONALLY STIFFENED LAMINATED CYLINDRICAL SHELLS UNDER AXIAL LOAD AND PRESSURE. MODARES MECHANICAL ENGINEERING[Internet]. 2013;12(6):80-94. Available from: https://sid.ir/paper/178584/en

IEEE: Copy

K. DANESHJOU, R. MADOLIAT, and M. TALEBITOOTI, “THREE-DIMENSIONAL VIBRATION ANALYSIS AND CRITICAL SPEED OF ROTATING ORTHOGONALLY STIFFENED LAMINATED CYLINDRICAL SHELLS UNDER AXIAL LOAD AND PRESSURE,” MODARES MECHANICAL ENGINEERING, vol. 12, no. 6, pp. 80–94, 2013, [Online]. Available: https://sid.ir/paper/178584/en

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