Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Guo-Peng Fan"'
Publikováno v:
Advances in Mechanical Engineering, Vol 13 (2021)
Continuously welded rail (CWR) has been widely applied in modern railway structures, and its performance is directly related to the safety of railway transportation. After the removal of the rail joints, the CWR cannot expand and contract freely. The
Externí odkaz:
https://doaj.org/article/7a2c577377c34bbe90343d08d93ad508
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
This paper presents an ultrasonic Lamb wave imaging method based on time-domain topological energy to address artifacts in the results of traditional ultrasound imaging methods. This method is based on topological theory and the calculation of the di
Externí odkaz:
https://doaj.org/article/71d7ff84c9b24eafa30ab9577ab48fca
Autor:
Wen-Fa Zhu, Xing-Jie Chen, Zai-Wei Li, Xiang-Zhen Meng, Guo-Peng Fan, Wei Shao, Hai-Yan Zhang
Publikováno v:
Sensors, Vol 19, Iss 21, p 4677 (2019)
High-precision ultrasound imaging of void defects is critical for the performance and safety assessment of ballastless track structures. The sound propagation velocity of each layer in the ballastless track structure is quite different. However, the
Externí odkaz:
https://doaj.org/article/3367ebc6040a45cbb206bc8b3af342f7
Autor:
Meng-Ke Zhang1 phdfanry@shu.edu.cn, Guo-Peng Fan1, Wen-Fa Zhu2, Shu-Bin Zheng1, Xiao-Dong Chai1, Wei-Lv1, Hui-Zhang1
Publikováno v:
Insight: Non-Destructive Testing & Condition Monitoring. Nov2021, Vol. 63 Issue 11, p659-666. 8p.
Autor:
Wen-Fa Zhu1,2, Guo-Peng Fan1 phdfanry@shu.edu.cn, Xiang-Zhen Meng1,3, Yao Cheng1, Hai-Yan Zhang1,4, Li-Ming Li1,5, Wei Shao1, Xing-Jie Chen1, Han-Fei Zhang1,6
Publikováno v:
Insight: Non-Destructive Testing & Condition Monitoring. Apr2021, Vol. 63 Issue 4, p199-208. 10p.
Publikováno v:
Insight - Non-Destructive Testing and Condition Monitoring. 63:659-666
The ultrasonic Lamb wave total focusing method (TFM) only uses the amplitude of the defective scattered signal for virtual focused imaging, while ignoring the phase information of the scattered signal and the dispersion characteristics of the Lamb wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01d8341e119a0cb518bc93edd4188c95
https://doi.org/10.1784/insi.2021.63.11.659
https://doi.org/10.1784/insi.2021.63.11.659
Autor:
Li-Ming Li, Xingjie Chen, Wen-Fa Zhu, Han-Fei Zhang, Cheng Yao, Wei Shao, Guo-Peng Fan, Xiang-Zhen Meng, Haiyan Zhang
Publikováno v:
Insight - Non-Destructive Testing and Condition Monitoring. 63:199-208
Accurate detection of void defects in ballastless track structures has become a core problem that needs urgent resolution for the maintenance and repair of high-speed railway (HSR) line structures in China. In this study, the root mean squaresyntheti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5deac445eaa34187656ec5ba7acddee
https://doi.org/10.1784/insi.2021.63.4.199
https://doi.org/10.1784/insi.2021.63.4.199
Publikováno v:
Insight - Non-Destructive Testing and Condition Monitoring. 62:216-221
A method combining Green's function retrieval theory and sign coherence factor (SCF) imaging is presented to detect near-surface defects in rails. The defects are close to the ultrasonic phased array and near-surface acoustic information of defects i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d40e43f2dee22e9304c49e5ec9e73ec
https://doi.org/10.1784/insi.2020.62.4.216
https://doi.org/10.1784/insi.2020.62.4.216
Publikováno v:
Insight - Non-Destructive Testing and Condition Monitoring. 62:208-215
This study presents a fast imaging approach with ultrasonic Lamb waves based on time-domain topological energy to identify multiple defects with defect spacing smaller than the threshold of the Rayleigh criterion in terms of imaging resolution. The d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9494a014a805150ac9ab3cd427679845
https://doi.org/10.1784/insi.2020.62.4.208
https://doi.org/10.1784/insi.2020.62.4.208
Publikováno v:
June 2019. 24:320-326
The study investigates the feasibility of the Lamb wave topological imaging method for detecting multiple blindholes in an isotropic plate. The topological imaging method is performed based on the computations of two wave fields, a forward and an adj
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e98e8085d57602dfbd8afce3d7fdaa67
https://doi.org/10.20855/ijav.2019.24.21479
https://doi.org/10.20855/ijav.2019.24.21479