Ship Steel Plate Condition Monitoring using Continuous Wavelet Technique

Research Area: Volume 6,Issue 5, Sept. 2017 Year: 2017
Type of Publication: Article Keywords: 3-D Finite Element, Condition Monitoring, Risk-Based Inspection, Reliability-Centered Maintenance, Ultrasonic Thickness Measurement, Continues Wavelet Technique, ABAQUS and ANSYS Software
Authors:
  • Dr. Waheed Sami AbuShanab
Journal: IJEIR Volume: 6
Number: 5 Pages: 205-211
Month: September
ISSN: 2277-5668
Abstract:
This is a very important study used to evaluate different methods of detecting cracks in steel plates. In this case ship steel plates were used as the main specimen for the experiment. To achieve this wavelet analysis was conducted along with the ultrasonic techniques to ensure the appropriate method that can be used to identify fractures in steel plates by closely monitoring their growth. It is important to conduct this research because it is important in ensuring that the ship does not get damaged due to growth of cracks at the base. To achieve this 3-D finite element modeling software alongside with a powerful wavelet based signal processing technique was used to demonstrate the strength of different techniques to identify cracks on steel plates. Data was collected using acoustic transceiver which was considered as the only method that could collect empirical ultrasonic data. The data collected through this means were able to validate the development diagnostic methods. Before conclusion, amplitudes and frequency spectra of the ultrasonic signals were used to measure and predict the result. The result determined were matching those which have been predetermined in order to understand the extent of crack within the steel plate. The result of our study showed that WT is the most appropriate method for detecting damages in steel plates as compared to other methods and it is able to detect different structures and cracks available in the steel plates of a ship

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