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  • Anthony Gachagan
2016

Advanced defect detection algorithm using clustering in ultrasonic NDE

Gongzhang, R. & Gachagan, A., 10 Feb 2016, In : AIP Conference Proceedings. 1706, 9 p., 180009.

Research output: Contribution to journalConference Contribution

Open Access
File
2 Citations (Scopus)
44 Downloads (Pure)

Airborne broad-beam emitter from a capacitive transducer and a cylindrical structure

Guarato, F., Barduchi de Lima, G., Windmill, J. F. C. & Gachagan, A., 3 Nov 2016, 2016 IEEE International Ultrasonics Symposium (IUS). Piscataway: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
100 Downloads (Pure)

Applying hyperspectral imaging to continuous processing of pharmaceuticals

Dziewierz, J., McGinty, J., Macfhionnghaile, P., Svoboda, V., Sefcik, J., Gachagan, A., Nordon, A., Marshall, S. & Cleary, A., 4 Feb 2016. 1 p.

Research output: Contribution to conferencePoster

Open Access
File
22 Downloads (Pure)

Design of a low profile array transducer in d15 mode for high angled shear wave generation

Qiu, Z., O'Leary, R., Gachagan, A. & Dobson, J., 21 Sep 2016, Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
139 Downloads (Pure)

Directional receiver for biomimetic sonar system

Guarato, F., Andrews, H., Windmill, J. F., Jackson, J. & Gachagan, A., 5 Dec 2016, In : Physics Procedia. 87, p. 24-28 5 p.

Research output: Contribution to journalConference Contribution

Open Access
File
1 Citation (Scopus)
62 Downloads (Pure)

Finite element analysis of ultrasonic CFRP laminate inspection

Dobson, J., Gachagan, A., O'Leary, R., Tweedie, A. & Harvey, G., 12 Sep 2016. 12 p.

Research output: Contribution to conferenceProceeding

Open Access
File
1 Citation (Scopus)
83 Downloads (Pure)

Finite element analysis simulations for ultrasonic array NDE inspections

Dobson, J., Tweedie, A., Harvey, G., O'Leary, R., Mulholland, A., Tant, K. & Gachagan, A., 10 Feb 2016, 42nd Annual Review of Progress in Quantitative Nondestructive Evaluation: Incorporating the 6th European-American Workshop on Reliability of NDE. Chimenti, D. E. & Bond, L. J. (eds.). Melville, NY., Vol. 1706. p. 040005-1 - 040005-14 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
5 Citations (Scopus)
207 Downloads (Pure)

Fractal geometry 1-3 piezoelectric composite with improved bandwidth

Fang, H., Mulholland, A., Gachagan, A. & O'Leary, R., 2016.

Research output: Contribution to conferencePoster

Hybrid simulation model of ultrasonic inspection of pressure tubes in nuclear industry

Zhao, H., Dobson, J., Gachagan, A., Lardner, T. & Dobie, G., 12 Sep 2016, Proceedings of 55th Annual British Conference of Non-Destructive Testing - NDT 2016 : Theoretical Modelling . New York, USA, p. 1-10 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
69 Downloads (Pure)

Improving the operational bandwidth of a 1-3 piezoelectric composite transducer using Sierpinski Gasket fractal geometry

Fang, H., Qiu, Z., O'Leary, R., Gachagan, A. & Mulholland, A., 18 Sep 2016, Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
4 Citations (Scopus)
84 Downloads (Pure)

Mapping the material microstructure of safety critical components using ultrasonic phased arrays

Tant, K. M. M., Galetti, E., Mulholland, A. J., Curtis, A. & Gachagan, A., 18 Sep 2016, 2016 IEEE International Ultrasonics Symposium (IUS) . Piscataway, NJ.: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
2 Citations (Scopus)
117 Downloads (Pure)
Open Access
File
69 Downloads (Pure)

Process Control

Lozev, M., Becker, E., Orwig, S., Avila, C., Djordjevic, G., Gachagan, A., Herdsman, C., Mulholland, A., Poole, A. & Vickers, G., 9 Aug 2016, IPC No. G01N29/02, Patent No. 15/043,724, Priority date 3 Apr 2015, Priority No. 62/128,348

Research output: Patent

Open Access
File
13 Citations (Scopus)
121 Downloads (Pure)
2017

An expert-systems approach to automatically determining flaw depth within candu pressure tubes

Lardner, T., West, G. M., Dobie, G. & Gachagan, A., 15 Jun 2017, 10th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies, NPIC and HMIT 2017. A. N. S. (ed.). Red Hook, NY, Vol. 2. p. 904-913 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
2 Citations (Scopus)
8 Downloads (Pure)

An expert-systems approach to automatically determining flaw depth within CANDU pressure tubes

Lardner, T., West, G., Dobie, G. & Gachagan, A., 4 Apr 2017, (Accepted/In press). 10 p.

Research output: Contribution to conferencePaper

Open Access
File
51 Downloads (Pure)

A nonlinear elasticity approach to modelling the collapse of a shelled microbubble

Cowley, J., Mulholland, A. J. & Gachagan, A., 31 Aug 2017, In : IMA Journal of Applied Mathematics. 82, 4, p. 781-801 21 p.

Research output: Contribution to journalArticle

Open Access
File
46 Downloads (Pure)
Open Access
File
5 Citations (Scopus)
50 Downloads (Pure)

A spectral method for sizing cracks using ultrasonic arrays

Cunningham, L. J., Mulholland, A. J., Tant, K. M. M., Gachagan, A., Harvey, G. & Bird, C., 9 Mar 2017, In : Inverse Problems in Science and Engineering. 19 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
45 Downloads (Pure)

Assessment of corrosion under insulation and engineered temporary wraps using pulsed eddy-current techniques

Morozov, M., Dobie, G. & Gachagan, A., 7 Sep 2017, 56th Annual British Conference on Non-Destructive Testing. Northampton, p. 475-484 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Automated sizing and classification of defects in CANDU pressure tubes

Lardner, T., West, G., Dobie, G. & Gachagan, A., 28 Sep 2017, (Accepted/In press) In : Nuclear Engineering and Design. 13 p.

Research output: Contribution to journalArticle

Open Access
File
48 Downloads (Pure)

Data-driven analysis of ultrasonic pressure tube inspection data

Zacharis, P., West, G. M., Dobie, G., Lardner, T. & Gachagan, A., 11 Jun 2017.

Research output: Contribution to conferencePaper

Open Access
File
1 Citation (Scopus)
45 Downloads (Pure)

Design of a 2D sparse array transducer for integration into an ergonomic transcranial ultrasound system

Li, X., Gachagan, A., Dziewierz, J., O'Leary, R. & Murray, P., 2 Nov 2017, 2017 IEEE International Ultrasonics Symposium, IUS 2017. Piscataway, NJ: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
31 Downloads (Pure)

Linear ultrasonic array incorporating a Cantor Set fractal element configuration

Fang, H., Qiu, Z., O'Leary, R. L., Gachagan, A. & Mulholland, A. J., 2 Nov 2017, IEEE International Ultrasonics Symposium (IUS), 2017. Piscataway, N.J.: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
25 Downloads (Pure)
2018

A transdimensional Bayesian approach to ultrasonic travel-time tomography for non-destructive testing

Tant, K. M. M., Galetti, E., Mulholland, A. J., Curtis, A. & Gachagan, A., 29 Jun 2018, In : Inverse Problems. 34, 9, 29 p., 095002.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
24 Downloads (Pure)
Open Access
File
3 Citations (Scopus)
28 Downloads (Pure)

Broadband piezocrystal transducer array for non-destructive evaluation imaging applications

Qiu, Z., Fang, H., O'Leary, R., Gachagan, A. & Moldovan, A., 20 Dec 2018, Proceeding 2018 IEEE International Ultrasonics Symposium. New York: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
9 Downloads (Pure)

Data-driven analysis of ultrasonic inspection data of pressure tubes

Zacharis, P., West, G., Dobie, G., Lardner, T. & Gachagan, A., 30 Jun 2018, In : Nuclear Technology. 202, p. 153-160 8 p.

Research output: Contribution to journalArticle

Open Access
File
34 Downloads (Pure)

Investigation of fundamental ultrasonic propagation characteristics in NDT of electron beam melting additive manufactured samples

Tofeldt, O., Pierce, SG., Smillie, G., Kerr, W., Flockhart, GMH., Macleod, CN., Blue, R., Gachagan, A., Stratoudaki, T., Andersson, J. & McMahon, D., 14 Feb 2018, (Accepted/In press). 4 p.

Research output: Contribution to conferencePaper

Open Access
File
42 Downloads (Pure)

Linear ultrasonic array design using cantor set fractal geometry

Fang, H., Qiu, Z., Mulholland, A. J., O'Leary, R. L. & Gachagan, A., 8 May 2018. 4 p.

Research output: Contribution to conferencePoster

Open Access
File
14 Downloads (Pure)

Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays

Su, R., Mineo, C., MacLeod, C. N., Pierce, S. G. & Gachagan, A., 17 May 2018, (Accepted/In press) 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. Melville, NY.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
6 Downloads (Pure)
Open Access
File
19 Downloads (Pure)

Ultrasonic array imaging through reverberating layers for industrial process analysis

Ingram, M., Gachagan, A., Mulholland, A. J., Nordon, A. & Hegarty, M., 20 Dec 2018, 2018 IEEE International Ultrasonics Symposium. Piscataway, NJ: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
1 Downloads (Pure)
2 Citations (Scopus)
1 Downloads (Pure)

Virtual prototyping of a catheter transducer array for internal hepatic sonoporation

Moldovan, A. C., Dziewierz, J., Gachagan, A., Cochran, S. & Lay, H., 20 Dec 2018, 2018 IEEE International Ultrasonics Symposium (IUS). Piscataway, NJ: IEEE, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
12 Downloads (Pure)

Wavelet analysis of poorly-focused ultrasonic signal of pressure tube inspection in nuclear industry

Zhao, H., Gachagan, A., Dobie, G. & Lardner, T., 20 Apr 2018, 44th Annual Rview of Progress in Quantitative Nondestructive Evaluation. Chimenti, D. E. & Bond, L. J. (eds.). Melville, New York, Vol. 37. 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
20 Downloads (Pure)
2019

A feasability study on guided wave-based robotic mapping

Tabatabaeipour, M., Trushkevych, O., Dobie, G., Edwards, R. S., Dixon, S., MacLeod, C., Gachagan, A. & Pierce, S. G., 6 Oct 2019. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
33 Downloads (Pure)
Open Access
File
3 Downloads (Pure)

Automated pressure tube defect analysis

Zacharis, P., West, G., Wallace, C., Dobie, G. & Gachagan, A., 9 May 2019. 1 p.

Research output: Contribution to conferencePoster

Open Access
File
24 Downloads (Pure)
Open Access
File
4 Downloads (Pure)

Deep learning based vision inspection system for remanufacturing application

Nwankpa, C., Eze, S., Ijomah, W., Gachagan, A. & Marshall, S., 25 Jun 2019, p. 1-12. 12 p.

Research output: Contribution to conferencePaper

Open Access
File

Enhanced phased array imaging through reverberating interfaces

Ingram, M., Gachagan, A., Mulholland, A. J., Nordon, A., Dziewierz, J. & Hegarty, M., 8 May 2019, 45th Annual Review Of Progress In Quantitative Nondestructive Evaluation. Melville, NY, Vol. 38. 8 p. (AIP Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
2 Downloads (Pure)
Open Access
File
12 Downloads (Pure)
Open Access
File
1 Citation (Scopus)
43 Downloads (Pure)
Open Access
File
4 Downloads (Pure)

Intentional weld defect process: from manufacturing by ‎‎robotic welding machine to inspection ‎using TFM phased ‎‎array ‎

Javadi, Y., Vasilev, M., MacLeod, C. N., Pierce, S. G., Su, R., Mineo, C., Dziewierz, J. & Gachagan, A., 8 May 2019, 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. Laflamme, S., Holland, S. & Bond, L. J. (eds.). Melville, NY., 040011

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
3 Citations (Scopus)
32 Downloads (Pure)

Towards guided wave robotic NDT inspection: EMAT size matters

Trushkevych, O., Dixon, S., Tabatabaeipour, M., Dobie, G., Potter, M. D. G., MacLeod, C., Gachagan, A., Pierce, S. G. & Edwards, R. S., 6 Oct 2019. 4 p.

Research output: Contribution to conferencePaper

Open Access
File
11 Downloads (Pure)
Open Access
File
14 Citations (Scopus)
14 Downloads (Pure)
Open Access
File
6 Citations (Scopus)
34 Downloads (Pure)
Open Access
File
19 Downloads (Pure)