Search Results - "Wilcox, Paul D"

Deep Learning for Ultrasonic Crack Characterization in NDE by Pyle, Richard J., Bevan, Rhodri L. T., Hughes, Robert R., Rachev, Rosen K., Ali, Amine Ait Si, Wilcox, Paul D.

“…Machine learning for nondestructive evaluation (NDE) has the potential to bring significant improvements in defect characterization accuracy due to its…”
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Ultrasonic arrays for non-destructive evaluation: A review by Drinkwater, Bruce W., Wilcox, Paul D.

“…An ultrasonic array is a single transducer that contains a number of individually connected elements. Recent years have seen a dramatic increase in the use of…”
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Accurate depth measurement of small surface-breaking cracks using an ultrasonic array post-processing technique by Felice, Maria V., Velichko, Alexander, Wilcox, Paul D.

“…In this paper, the half-skip configuration of the Total Focusing Method (TFM) is used to image and size surface-breaking cracks. The TFM is an ultrasonic array…”
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Chirp excitation of ultrasonic guided waves by Michaels, Jennifer E., Lee, Sang Jun, Croxford, Anthony J., Wilcox, Paul D.

“…► Broadband and narrowband chirp excitations are used to excite guided waves in plates. ► Broadband chirps are useful to efficiently acquire multiple tone…”
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A Model for Multiview Ultrasonic Array Inspection of Small Two-Dimensional Defects by Budyn, Nicolas, Bevan, Rhodri L. T., Zhang, Jie, Croxford, Anthony J., Wilcox, Paul D.

“…The multiview total focusing method (TFM) is an imaging algorithm for ultrasonic full matrix array data that exploits internal reflections and mode conversions…”
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Efficient temperature compensation strategies for guided wave structural health monitoring by Croxford, Anthony J., Moll, Jochen, Wilcox, Paul D., Michaels, Jennifer E.

“…The application of temperature compensation strategies is important when using a guided wave structural health monitoring system. It has been shown by…”
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The use of non-collinear mixing for nonlinear ultrasonic detection of plasticity and fatigue by Croxford, Anthony J., Wilcox, Paul D., Drinkwater, Bruce W., Nagy, Peter B.

“…This letter reports on the application of the non-collinear mixing technique to the ultrasonic measurement of material nonlinearity to assess plasticity and…”
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Defect detection using ultrasonic arrays: The multi-mode total focusing method by Zhang, Jie, Drinkwater, Bruce W., Wilcox, Paul D., Hunter, Alan J.

“…Ultrasonic arrays allow a given scatterer to be illuminated from a wide range of angles and hence are capable of extracting significant information about the…”
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Post-processing of the full matrix of ultrasonic transmit–receive array data for non-destructive evaluation by Holmes, Caroline, Drinkwater, Bruce W., Wilcox, Paul D.

“…Processing of ultrasonic array data is traditionally based on having parallel transmission circuits that enable staggered firing of transmitter elements to…”
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Rail Steel Health Analysis Based on a Novel Genetic Density-based Clustering Technique and Manifold Representation of Acoustic Emission Signals by Wang, Kangwei, Zhang, Xin, Song, Shuzhi, Wang, Yan, Shen, Yi, Wilcox, Paul D.

“…In order to improve the effectiveness of the acoustic emission (AE) technique in rail health monitoring, a novel genetic clustering technique is proposed to…”
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Excitation and scattering of guided waves: Relationships between solutions for plates and pipes by Velichko, Alexander, Wilcox, Paul D.

“…The detection of localized defects such as cracks and corrosion in pipes using guided elastic waves is now an established non-destructive testing procedure…”
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Modeling the excitation of guided waves in generally anisotropic multilayered media by VELICHKO, Alexander, WILCOX, Paul D

“…The design of transducers to excite and detect guided waves is a fundamental part of a nondestructive evaluation or structural health monitoring system and…”
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An analytical comparison of ultrasonic array imaging algorithms by Velichko, Alexander, Wilcox, Paul D

“…In the paper different techniques for post-processing data from an ultrasonic transducer array are considered. First, a mathematical model of the…”
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Advanced post-processing for scanned ultrasonic arrays: Application to defect detection and classification in non-destructive evaluation by Holmes, Caroline, Drinkwater, Bruce W., Wilcox, Paul D.

“…This paper describes a number of array post-processing methods developed for scanning applications in non-destructive evaluation. The approach is to capture…”
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Laser induced ultrasonic phased array using full matrix capture data acquisition and total focusing method by Stratoudaki, Theodosia, Clark, Matt, Wilcox, Paul D

“…Laser ultrasonics is a technique where lasers are employed to generate and detect ultrasound. A data collection method (full matrix capture) and a post…”
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The Use of Ultrasonic Arrays to Characterize Crack-Like Defects by Zhang, Jie, Drinkwater, Bruce W., Wilcox, Paul D.

“…The use of ultrasonic arrays to image and size crack-like defects is an important area in non-destructive evaluation. In this paper, two approaches are…”
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Quantification of the Effect of Array Element Pitch on Imaging Performance by Wilcox, Paul D., Jie Zhang

“…This paper investigates how the pitch of elements in periodic ultrasonic arrays is related to their imaging performance, with particular emphasis on imaging…”
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Global crack detection using bispectral analysis by Hillis, Andrew J, Neild, Simon A, Drinkwater, Bruce W, Wilcox, Paul D

“…This paper describes a global non-destructive testing technique for detecting fatigue cracking in engineering components. The technique measures the mixing of…”
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Plane Wave Imaging Techniques for Immersion Testing of Components With Nonplanar Surfaces by Rachev, Rosen K., Wilcox, Paul D., Velichko, Alexander, McAughey, Kevin L.

“…Plane wave imaging (PWI) is an ultrasonic array imaging technique used in nondestructive testing, which has been shown to yield high resolution with few…”
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Suppression of front and back surface reflections in ultrasonic analytic-signal responses from composites by Zilidou, Maria, Smith, Robert A., Wilcox, Paul D.

“…•Tackles the problem of near-surface ultrasonic dead-zone in composite inspection.•Increased ultrasonic detectability of near-surface defects in…”
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