Effects of End Conditions of Cross-Ply Laminated Composite Beams on Their Dimensionless Natural Frequencies

被引：0

作者：

A. F. A. Algarray

H. Jun

I.-E. M. Mahdi

机构：

[1] College of Mechanical and Electrical Engineering,Department of Mechanical Design and Theory

[2] NEFU,Department of Mechanical Engineering, Faculty of Engineering and Technology

[3] Nile Valley University,undefined

来源：

Journal of Applied Mechanics and Technical Physics | 2017年 / 58卷

关键词：

laminated beam; free vibration; finite element method; beam end conditions;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The effects of the end conditions of cross-ply laminated composite beams on their dimensionless natural frequencies of free vibration is investigated. The problem is analyzed and solved by using the energy approach, which is formulated by a finite element model. Various end conditions of beams are used. Each beam has either movable ends or immovable ends. Numerical results are verified by comparisons with other relevant works. It is found that more constrained beams have higher values of natural frequencies of transverse vibration. The values of the natural frequencies of longitudinal modes are found to be the same for all beams with movable ends because they are generated by longitudinal movements only.

引用

页码：1108 / 1114

页数：6

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