2001
DOI: 10.1117/12.435555
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Abstract: In this paper, a study based on the numerical simulation is performed to investigate the possibility of a new NDE system -Tapping Sound Analysis (TSA). Through the investigation of existing coin tap method, coin tap method cannot be used alone for the detection of defects inside general structure. TSA detects the existence of defects inside the laminated composite structures by comparing tapping sound with pre-computed sound data of healthy structures. Tapping on the structures is modeled as impact problem an…

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