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Damage Evaluation Based on a Wave Energy Flow Map Using Multiple PZT Sensors
AbstractA new wave energy flow (WEF) map concept was proposed in this work. Based on it, an improved technique incorporating the laser scanning method and Betti’s reciprocal theorem was developed to evaluate the shape and size of damage as well as to realize visualization of wave propagation. In this technique, a simple signal processing algorithm was proposed to construct the WEF map when waves propagate through an inspection region, and multiple lead zirconate titanate (PZT) sensors were employed to improve inspection reliability. Various damages in aluminum and carbon fiber reinforced plastic laminated plates were experimentally and numerically evaluated to validate this technique. The results show that it can effectively evaluate the shape and size of damage from wave field variations around the damage in the WEF map.
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Liu, Y.; Hu, N.; Xu, H.; Yuan, W.; Yan, C.; Li, Y.; Goda, R.; Alamusi; Qiu, J.; Ning, H.; Wu, L. Damage Evaluation Based on a Wave Energy Flow Map Using Multiple PZT Sensors. Sensors 2014, 14, 1902-1917.View more citation formats
Liu Y, Hu N, Xu H, Yuan W, Yan C, Li Y, Goda R, Alamusi, Qiu J, Ning H, Wu L. Damage Evaluation Based on a Wave Energy Flow Map Using Multiple PZT Sensors. Sensors. 2014; 14(2):1902-1917.Chicago/Turabian Style
Liu, Yaolu; Hu, Ning; Xu, Hong; Yuan, Weifeng; Yan, Cheng; Li, Yuan; Goda, Riu; Alamusi; Qiu, Jinhao; Ning, Huiming; Wu, Liangke. 2014. "Damage Evaluation Based on a Wave Energy Flow Map Using Multiple PZT Sensors." Sensors 14, no. 2: 1902-1917.
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