Effect of Cracks on the Vibration and Bending Behavior of Steel and Aluminum Bars using Finite Element Analysis

Rajib  Karmaker; Md. Rashedul  Islam; Ujjwal Kumar Deb Deb

doi:10.6180/jase.202405_27(5).0011

Effect of Cracks on the Vibration and Bending Behavior of Steel and Aluminum Bars using Finite Element Analysis

Rajib Karmaker¹This email address is being protected from spambots. You need JavaScript enabled to view it., Md. Rashedul Islam², Ujjwal Kumar Deb³

¹Department of Mathematics, University of Chittagong , Chattogram, Bangladesh

²Department of Computer Science and Engineering, International Islamic University Chittagong, Chattogram, Bangladesh

^1,2,3Department of Mathematics, Chittagong University of Engineering and Technology, Bangladesh

Received: May 14, 2023
Accepted: August 25, 2023
Publication Date: October 5, 2023

Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Download Citation: ||https://doi.org/10.6180/jase.202405_27(5).0011

Complex structures can develop cracks and defects over time, which can compromise their long-term performance and safety. Structural Health Monitoring (SHM) systems are essential for detecting and measuring these defects by monitoring the load and deformation of the solid materials. This paper presents a simulation study of the frequency and strength of solid cylindrical bars made of aluminum and steel under different loads and crack conditions. Finite Element Method (FEM) and COMSOL Multiphysics software are used to perform the simulation, and a resonance model is used to analyze the results. The study investigates how cracks affect the frequency and deformation of the bars, and how different materials respond to load and bending. The results show that frequency varies linearly with load, cracks decrease the stiffness and increase the frequency at the crack location, and aluminum bars deform more than steel bars. The paper concludes that steel bars are more resistant to load and bending than aluminum bars for both cracked and uncracked case. Finally, it is found that steel bars are more resistant to load and bending than aluminum bars for both cracked and uncracked case.

Keywords: Structural Health Monitoring, Load, Crack detection, Deflection, FEM.

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