Results 11 to 20 of about 5,841,396 (302)
Open Guided Waves: online platform for ultrasonic guided wave measurements [PDF]
Structural Health Monitoring, 2018 Ultrasonic guided waves have been used successfully in structural health monitoring systems to detect damage in isotropic and composite materials with simple and complex geometry.
J. Moll +8 more
semanticscholar +5 more sources
Research on jamming technology of frequency-stepping millimeter-wave guided seeker
Dianzi Jishu Yingyong, 2021 Aiming at the problem of how to implement effective countermeasures against frequency-stepping millimeter-wave precision guided weapons, this paper analyzes the working principle of two-dimensional imaging of frequency-stepping millimeter-wave guided ...
Xiang Zhengshan
doaj +1 more source
Quantification of Bedding Rock Slope Deformation Rate Using Guided Wave Monitoring
Frontiers in Earth Science, 2022 The guided wave technique is applied to slope stability monitoring to overcome the high attenuation characteristics of acoustic emission propagation in rock and soil materials. The shear tests of “guided wave meter” (GWM) with different deformation rates
Changsong Zheng +6 more
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Ultrasonic guided wave detection of U-shaped pipeline [PDF]
MATEC Web of Conferences, 2020 The guided waves in the elbow was analyzed using semi- analytical finite element method, which was used to calculate the dispersion curves, along with the vibration deformation and energy flow density distribution of the elbow cross-section.
Zhu Longxiang +3 more
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Shock and Vibration, 2022 In mining engineering, the in situ stress changes with the stress induced by the surrounding mining activities. It positively or negatively affects the propagation of ultrasonic guided waves in rockbolts.
Shuisheng Yu, Leilei Niu, Jin Chen
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XAI for signal analysis of guided wave testing at pipe elbows
e-Journal of Nondestructive Testing, 2023 Guided wave testing can provide an efficient screening method for local wall thinning of piping owing to its long inspection range and its ability to inspect pipes with limited access.
Toshihiro Yamamoto +2 more
doaj +1 more source
Molding free-space light with guided wave–driven metasurfaces [PDF]
Science Advances, 2020 A guided wave–driven metasurface directly extracts and molds light from a waveguide into arbitrarily complex free-space modes. Metasurfaces with unparalleled controllability of light have shown great potential to revolutionize conventional optics ...
Xuexue Guo +4 more
semanticscholar +1 more source
High-resolution thickness maps of corrosion using SH1 guided wave tomography
Proceedings of the Royal Society A, 2021 Quantifying corrosion damage is vital for the petrochemical industry, and guided wave tomography can provide thickness maps of such regions by transmitting guided waves through these areas and capturing the scattering information using arrays.
Andreas A. E. Zimmermann +2 more
semanticscholar +1 more source
Hangkong gongcheng jinzhan, 2022 As composite materials are playing more important role in advanced aircraft structures,the change of mechanical properties of composites during service is of significant importance for the overall safety of the aircraft.In order to achieve the goal of ...
YAO Weixing +5 more
doaj +1 more source
Sensors, 2021 Guided Wave (GW)-based crack monitoring method as a promising method has been widely studied, as this method is sensitive to small cracks and can cover a wide monitoring range.
Qiuhui Xu +2 more
doaj +1 more source