Investigation On The Performance Mild Steel Impact Test Vibrational Analysis Using MATLAB

Hassan, Muhammad Shahirman (2017) Investigation On The Performance Mild Steel Impact Test Vibrational Analysis Using MATLAB. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This paper provides an overview of methods to detect, locate, and characterize damage in structural and mechanical systems in mild steel by examining changes in measured vibration response. Research in vibration-based damage identification has been rapidly expanding over the last few years. The basic idea behind this technology is that modal parameters (natural frequencies, mode shapes, and damping ratio) are functions of the physical properties of the structure (mass, damping, and stiffness). Therefore, changes in the physical properties will cause detectable changes in the modal properties. The motivation for the development of this technology is presented. The material properties include the Poisson’s ratio, Young’s modulus and shear modulus. The methods are also described in general terms including difficulties associated with their implementation and their fidelity. The current and future-planned applications of this technology to actual engineering systems are summarized. Vibration signals using the I-kaz 4D statistical analysis method were applied to obtain impact reading and matching for the comparison of the mechanical properties of 'mild steel'.

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