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An Integrated System using Laser Scanning Based Guided and Standing Waves for Damage Detection
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구조물 결함 탐지를 위한 레이저 스캐닝 기반 유도초음파 및 정상파 통합형 시스템

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Type
Proceeding
Author
Hyeonwoo Nam (전남대학교) Jun Young Jeon (전남대학교) Gyuhae Park (전남대학교)
Journal
The Korean Society For Nondestructive Testing The Korean Society for Nondestructive Testing Annual Spring Conference 2021 The Korean Society for Nondestructive Testing Annual Spring Conference 2021
Published
2021.6
Pages
30 - 30 (1page)

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An Integrated System using Laser Scanning Based Guided and Standing Waves for Damage Detection
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Research history (2)

2021

An Integrated System using Laser Scanning Based Guided and Standing Waves for Damage Detection
Hyeonwoo Nam ,  Jun Young Jeon ,  Gyuhae Pa The Korean Society for Nondestructive Testing Annual Spring Conference 2021 2021.06 Proceeding
Structural damage detection using polar coordinate based guided waves utilizing local laser scanning
남현우 기계공학과 2021.01 Thesis
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This study presents an integrated methodology of laser scanning-based guided wave and standing wave systems to improve the damage detection for large plate-like structures. Two laser scanning-based systems generate guided ultrasonic waves and standing waves, respectively, using piezoelectric transducers attached to the structure, and measure the subsequent responses using a mirror tilting device and a laser Doppler vibrometer. First, in order to efficiently inspect a large-scale structure, the presence and the approximate location of defects is identified using a guided ultrasonic system, which propagates long distances. At this time, to improve the inspection speed, the entire structure is inspected using only the ultrasonic response in the local region to reduce the meas ... View All

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