Indian Journal of Science and Technology
Year: 2015, Volume: 8, Issue: Supplementary 7, Pages: 1-7
Hossein Farahani 1* , Farzan Barati 2 and Hamid Batmani 3
1 Department of Mechanical Engineering, Hamedan Branch, Islamic Azad University, Hamedan, Iran; [email protected]
2 Department of Mechanical Engineering , Hamedan Branch, , Islamic Azad University Hamedan, Iran
3 Department of Mechanics, College of Engineering, Hamedan Science and Research Branch, Islamic Azad University, Hamedan, Iran
This paper focuses on the vibration analysis of composite cylindrical tank. The purpose of this study is comparison of natural frequencies with different layering and different fiber angle along the x-axis of the tank. The boundary conditions of the tank are located at the beginning and the end of tank. The tank fixed along the coordinate system (y, z) and is free in x-axis. Stability equations derived using the first-order shear deformation theory. The effect of layering and fiber angle has evaluated by using the finite element package ANSYS. The angle considered between –90 to 90 degrees also 0 to 90 degrees for position of fibers along the thickness, which distributed in the form of symmetrical and asymmetric. Finally, the natural frequencies of the tank under the effect of layering of composite in radial direction compared. The results shown that the number of layers and fiber orientation affected on the natural frequencies.
Keywords: Cylindrical Tank, Composite, Finite Element, Natural Frequencies
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