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Paper
Title

Modal Characteristics of Composite Beams with Single Delamination- A Simple Analytical Technique

Year: 1393
COI: JR_MACS-1-2_004
Language: EnglishView: 136
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Authors

Keyvan Torabi - Department of Mechanical Engineering, University of Kashan, Kashan, ۸۷۳۱۷-۵۱۱۶۷, Iran
Mostafa Shariati-Nia - Department of Mechanical Engineering, University of Kashan, Kashan, ۸۷۳۱۷-۵۱۱۶۷, Iran
Mohammad Heidari-Rarani - Department of Mechanical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, ۸۱۷۴۶-۷۳۴۴۱, Iran

Abstract:

In the present research, the effects of delamination size and location on vibration characteristics of laminated composite beams are investigated both analytically and numerically. In the analytical method, the delaminated beam is modeled as four interconnected Euler–Bernoulli beams and the constrained and free mode models are both simulated. The differential stretching and the bending-extension coupling are considered in the formulation. Analytical expressions for displacement functions are presented in a simple form based on the basic standard trigonometric and hyperbolic functions. This new technique considerably simplifies the calculations regardless of the number of delaminations. In finite element method, delaminated composite beams are modeled in commercial finite element software, ABAQUS, and natural frequencies and mode shapes are extracted from the modal analysis. Analytical results are compared with finite element ones and available experiments in the literature. Finally, the generated database for different sizes and locations of delamination can be used to detect the existence of delamination in laminated composite beams and thento specify the size and location of delamination.

Keywords:

Paper COI Code

This Paper COI Code is JR_MACS-1-2_004. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1026175/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Torabi, Keyvan and Shariati-Nia, Mostafa and Heidari-Rarani, Mohammad,1393,Modal Characteristics of Composite Beams with Single Delamination- A Simple Analytical Technique,https://civilica.com/doc/1026175

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  • Ramkumar RL, Kulkarni SV, Pipes RB. Free vi-bration frequencies of ...
  • Wang JTS, Liu YY, Gibby JA. Vibration of split beams. ...
  • Mujumdar PM, Suryanarayan S. Flexural vibra-tions of beams with delaminations. ...
  • Shen MHH, Grady JE. Free vibrations of delami-nated beams . ...
  • Hu JS, Hwu C. Free vibration of delaminated composite sandwich ...
  • Lee J. Free vibration analysis of delaminated composite beams. Comput ...
  • Zou Y, Tong L, Steven GP. Vibration-based model-dependent damage (delamination) ...
  • Luo H, Hanagud S. Dynamics of delaminated beams.  Int J ...
  • Karmakar A, Roy H, Kishimoto K. Free vibration analysis of ...
  • Della CN, Shu D. Vibration of delaminated com-posite laminates: a ...
  • Della CN, Shu D. Free vibration analysis of mul-tiple delaminated ...
  • Ramtekkar GS. Free vibration analysis of delam-inated beams using mixed ...
  • Shu D, Della CN. Vibrations of multiple delami-nated beams. Compos ...
  • Shu D, Della CN. Free vibration analysis of com-posite beams ...
  • Della CN, Shu D. Free vibration analysis of com-posite beams ...
  • Shariati Nia M, Torabi K, Heidari-Rarani M. Free vibration analysis ...
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