VIBRATION ANALYSIS OF A LAMINATED DEEP CURVED BEAMS SUBJECTED TO A MOVING LOAD BY CONSIDERING THE ROTARY INERTIA AND SHEAR FORCE

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SARPARAST HODA; ESMAEILZADE KHADEM SIAMAK

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:7 Page(s): 141-151

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Title

VIBRATION ANALYSIS OF A LAMINATED DEEP CURVED BEAMS SUBJECTED TO A MOVING LOAD BY CONSIDERING THE ROTARY INERTIA AND SHEAR FORCE

Author(s)

SARPARAST HODA | ESMAEILZADE KHADEM SIAMAK | Issue Writer Certificate

Keywords

DYNAMIC ANALYSISQ2

MOVING LOADQ2

LAMINATEDQ2

COMPOSITEQ1

CURVED TIMOSHENKO BEAMQ2

CRITICAL SPEEDQ2

Abstract

The vibration analysis of curved COMPOSITE structures under the moving vehicles is rarely investigated in litreture. Therefore, this paper studied the dynamic response of a simply supported LAMINATED deep curved beam under a MOVING LOAD based on Timoshenko beam theory. It is assumed that the curvature of the beam and the amplitude and the speed of the MOVING LOAD are constant. The governing equations of motion for the system are extracted by Hamilton principles. Numerical and analytical methods are applied to obtain the dynamic response of the system. Also, the CRITICAL SPEED of the MOVING LOAD and the fundamental frequency of the beam are obtained. The effects of the MOVING LOAD characteristics, geometrical and material parameters such as the MOVING LOAD speed, the radius of curvature and the modulus of elasticity in principal direction on the dynamic responses, fundamental frequency and CRITICAL SPEED of the system are investigated. The results show that the minimum and maximum deflection of the beam occur for lay-up [90/0/90/0] and [45/-45/-45/45] respectively. Furethermore, increasing the speed MOVING LOAD l leads to decrease in the dynami deflection. It is also shown that the increase in the radius…leads to a decrease in the frequency/decrease of the frequency and CRITICAL SPEED MOVING LOAD.

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APA: Copy

SARPARAST, HODA, & ESMAEILZADE KHADEM, SIAMAK. (2017). VIBRATION ANALYSIS OF A LAMINATED DEEP CURVED BEAMS SUBJECTED TO A MOVING LOAD BY CONSIDERING THE ROTARY INERTIA AND SHEAR FORCE. MODARES MECHANICAL ENGINEERING, 17(7 ), 141-151. SID. https://sid.ir/paper/179342/en

Vancouver: Copy

SARPARAST HODA, ESMAEILZADE KHADEM SIAMAK. VIBRATION ANALYSIS OF A LAMINATED DEEP CURVED BEAMS SUBJECTED TO A MOVING LOAD BY CONSIDERING THE ROTARY INERTIA AND SHEAR FORCE. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(7 ):141-151. Available from: https://sid.ir/paper/179342/en

IEEE: Copy

HODA SARPARAST, and SIAMAK ESMAEILZADE KHADEM, “VIBRATION ANALYSIS OF A LAMINATED DEEP CURVED BEAMS SUBJECTED TO A MOVING LOAD BY CONSIDERING THE ROTARY INERTIA AND SHEAR FORCE,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 7 , pp. 141–151, 2017, [Online]. Available: https://sid.ir/paper/179342/en

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