Strathprints Home | Open Access | Browse | Search | User area | Copyright | Help | Library Home | SUPrimo

Browse by Author or Creator

Up a level
Export as [feed] RSS 2.0 [feed] RSS 1.0 [feed] Atom
Group by: Item type | No Grouping
Number of items: 111.

Article

Harvey, Gerald and Gachagan, Anthony and Mutasa, Tapiwa (2014) Review of high-power ultrasound-industrial applications and measurement methods. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 61 (3). 481 - 495. ISSN 0885-3010

Ramadas, Sivaram Nishal and Jackson, Joseph and Dziewierz, Jerzy and O'Leary, Richard and Gachagan, Anthony (2014) Application of conformal map theory for design of 2-D ultrasonic array structure for ndt imaging application : a feasibility study. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 61 (3). pp. 496-504. ISSN 0885-3010

Dziewierz, Jerzy and Gachagan, Anthony (2013) Computationally efficient solution of Snell's Law of Refraction. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 60 (6). pp. 1256-1259. ISSN 0885-3010

Guarato, Francesco and Windmill, James and Gachagan, Anthony (2013) A beam based method for target localization : inspiration from bats' directivity and binaural reception for ultrasonic sonar. Journal of the Acoustical Society of America, 133 (6). pp. 4077-4086. ISSN 0001-4966

Guarato, Francesco and Windmill, James and Gachagan, Anthony and Harvey, Gerald (2013) An investigation of acoustic beam patterns for the sonar localization problem using a beam based method. Journal of the Acoustical Society of America, 133 (6). pp. 4044-4053. ISSN 0001-4966

Barlow, Euan and Mulholland, Anthony J. and Gachagan, Anthony and Nordon, Alison (2011) A theoretical investigation of chirp insonification of ultrasound contrast agents. Ultrasonics, 51 (6). pp. 725-733. ISSN 0041-624X

Harvey, Gerald and Gachagan, Anthony (2011) Simulation and measurement of nonlinear behaviour in a high-power test cell. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 58 (4). pp. 808-819. ISSN 0885-3010

Bolu, Gabriel and Gachagan, Anthony and Pierce, Stephen and Harvey, Gerald (2010) Reliable thermosonic inspection of aero engine turbine blades. Insight: The Journal of the British Institute of Non-Destructive Testing, 52 (9). pp. 488-493. ISSN 1354-2575

Barlow, Euan and Mulholland, Anthony J. and Nordon, Alison and Gachagan, Anthony (2010) Theoretical analysis of chirp excitation of contrast agents. Physics Procedia, 3 (1). pp. 743-747. ISSN 1875-3884

Lucas, M. and Gachagan, A. and Cardoni, A. (2009) Research applications and opportunities in power ultrasonics. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 223 (12). pp. 2949-2965. ISSN 0954-4062

Carson, G. and Mulholland, A.J. and Nordon, A. and Gachagan, A. and Hayward, G. (2009) Theoretical analysis of ultrasonic vibration spectra from multiple particle-plate impacts. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 56 (5). pp. 1034-1041. ISSN 0885-3010

Barlow, Euan and Mulholland, A.J. and Gachagan, A. and Nordon, A. and MacPherson, Kenneth G. (2009) Analysis of the Rayleigh-Plesset equation with chirp excitation. IMA Journal of Applied Mathematics, 74 (1). pp. 20-34. ISSN 0272-4960

Carson, G. and Mulholland, A.J. and Nordon, A. and Tramontana, M. and Gachagan, A. and Hayward, G. (2009) Estimating particle concentration using passive ultrasonic measurement of impact vibrations. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 56 (2). pp. 345-352. ISSN 0885-3010

Harvey, G. and Gachagan, A. and Mackersie, J.W. and McCunnie, Thomas F. and Banks, R.A. (2009) Flexible ultrasonic transducers incorporating piezoelectric fibres. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 56 (9). pp. 1999-2009. ISSN 0885-3010

Barlow, E. and Mulholland, A. and Gachagan, A. and Nordon, A. (2009) Theoretical analysis of chirp excitation of contrast agents. Physics Procedia, 3 (1). pp. 743-747. ISSN 1875-3892

Carson, G. and Mulholland, A.J. and Nordon, A. and Tramontana, M. and Gachagan, A. and Hayward, G. (2008) Particle sizing using passive ultrasonic measurement of particle-wall impact vibrations. Journal of Sound and Vibration, 317 (1-2). pp. 142-157. ISSN 0022-460X

Mckenna, James P. and Gachagan, A. and McArthur, S.D.J. and McLean, Neil I. (2008) Integrating flaw-response modelling tools used for inspection qualification into a Multi-Agent System software platform. Insight: The Journal of the British Institute of Non-Destructive Testing, 50 (2). pp. 70-73. ISSN 1354-2575

McKenna, J. and Gachagan, A. and McArthur, S.D.J. and McLean, N. (2007) The design of a multi-agent system for flaw-response modelling. Insight: The Journal of the British Institute of Non-Destructive Testing, 49 (2). pp. 74-78. ISSN 1354-2575

Robertson, D.C. and Hayward, G. and Gachagan, A. and Murray, V. (2006) Comparison of the performance of pmn-pt single-crystal and ceramic composite arrays for NDE applications. Insight: The Journal of the British Institute of Non-Destructive Testing, 48 (2). pp. 97-99. ISSN 1354-2575

Robertson, D.C. and Hayward, G. and Gachagan, A. (2006) Comparison of the frequency and physical nature of the lowest order parasitic mode in single crystal and ceramic 2-2 and 1-3 piezoelectric composite transducers. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 53 (8). pp. 1503-1512. ISSN 0885-3010

Nordon, A. and Carella, Y. and Gachagan, A. and Littlejohn, D. and Hayward, G. (2006) Factors affecting broadband acoustic emission measurements of a hetrogeneous reaction. Analyst, 131 (2). pp. 323-330. ISSN 0003-2654

Harvey, G. and Gachagan, A. (2006) Noninvasive field measurement of low-frequency ultrasonic transducers operating in sealed vessels. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 53 (10). pp. 1749-1758. ISSN 0885-3010

Nordon, A. and Waddell, R. and Bellamy, L.J. and Gachagan, A. and Littlejohn, D. and Hayward, G. (2005) Monitoring of a heterogeneous reaction by acoustic emission. Analyst, 129 (5). pp. 463-467. ISSN 0003-2654

Gachagan, A. and Hayward, G. and Banks, R.A. (2005) A flexible piezoelectric transducer design for efficient generation and reception of ultrasonic lamb waves. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 52 (7). pp. 1175-1182. ISSN 0885-3010

Gachagan, A. and McNab, A. and Blindt, R. and Patrick, M. and Marriott, C. (2004) A high power ultrasonic array based test cell. Ultrasonics, 42 (1-9). pp. 57-68. ISSN 0041-624X

Robertson, D.C. and Hayward, G. and Gachagan, A. and Reynolds, P. (2004) Minimisation of mechanical cross talk in periodic piezoelectric composite arrays. Insight: The Journal of the British Institute of Non-Destructive Testing, 46 (11). pp. 658-661. ISSN 1354-2575

Entwhistle, N.J. and Hamilton, A. and Kelly, R.G. and Nisbett, J.B. and Hayward, G. and Gachagan, A. (2004) Teaching and learning analogue electronics in undergraduate courses: preliminary findings from the ETL project. International Journal of Electrical Engineering Education, 42 (1). pp. 21-34. ISSN 0020-7209

Gachagan, A. and Speirs, David and McNab, A. (2003) The design of a high power ultrasonic test cell using finite element modelling techniques. Ultrasonics, 41 (4). pp. 283-288.

Hayward, G. and Hailu, B. and Farlow, R. and Gachagan, A. and McNab, A. (2001) The design of embedded transducers for structural health monitoring applications. Proceedings of SPIE: The International Society for Optical Engineering, 4327 (312). pp. 312-323. ISSN 1996-756X

Gachagan, Anthony and Hayward, Gordon and McNab, Alistair and Reynolds, P. and Pierce, Stephen and Philp, WR and Culshaw, Brian (1999) Generation and reception of ultrasonic guided waves in composite plates using comfortable piezoelectric transmitters and optical-fiber detectors. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 46 (1). pp. 72-81. ISSN 0885-3010

Gachagan, Anthony and Hayward, Gordon (1998) Improving the bandwith of 1-3 connectivity composite receivers using mode coupling. Journal of the Acoustical Society of America, 103 (6). pp. 3344-3352. ISSN 0001-4966

Wright, WMD and Hutchins, D.A. and Gachagan, Anthony and Hayward, Gordon (1996) Polymer composite material characterisation using a laser/air-transducer system. Ultrasonics, 34 (8). pp. 825-833. ISSN 0041-624X

Pierce, Stephen and Philp, WR and Culshaw, B and Gachagan, Anthony and McNab, Alistair and Hayward, Gordon and Lecuyer, F (1996) Surface bonded optical fibre sensors for the inspection of CFRP plates using ultrasonic Lamb waves. Smart Materials and Structures, 5 (6). pp. 776-787. ISSN 0964-1726

Gachagan, Anthony and Hayward, Gordon and SP, Kelly and Galbraith, Walter (1996) Characterisation of air coupled transducers. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 43 (4). pp. 678-689. ISSN 0885-3010

Wright, WMD and Hutchins, D.A. and Hayward, Gordon and Gachagan, Anthony (1996) Ultrasonic imaging using laser generation and piezoelectric air- coupled detection. Ultrasonics, 34 (2-5). pp. 405-409. ISSN 0041-624X

Hayward, Gordon and Gachagan, Anthony (1996) An evaluation of 1-3 connectivity composite transducers for air coupled ultrasonic applications. Journal of the Acoustical Society of America, 99 (4). pp. 2148-2157. ISSN 0001-4966

Pierce, Stephen and Philp, WR and Gachagan, Anthony and McNab, Alistair and Hayward, Gordon and Culshaw, Brian (1996) Surface- bonded and embedded optical fibres as ultrasonic sensors. Applied Optics, 35 (25). pp. 5191-5197. ISSN 1559-128X

Hutchins, D.A. and Wright, WMD and Hayward, Gordon and Gachagan, Anthony (1994) Air coupled piezoelectric detection of laser -generated ultrasound. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 41 (6). pp. 796-805. ISSN 0885-3010

Book Section

McGilp, Ailidh and Dziewierz, Jerzy and Lardner, Timothy and MacKersie, John and Gachagan, Anthony (2014) Inspection design using 2D phased array, TFM and cueMAP software. In: 40th Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, Melville, NY. ISBN 978735412118

Lardner, Timothy and Li, Minghui and Gachagan, Anthony (2014) Using phase information to enhance speckel noise reduction in the ultrasonic NDE of coarse grain materials. In: 40th Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, Melville, NY. ISBN 978735412118

Lardner, Timothy and Li, Minghui and Gongzhang, Rui and Gachagan, Anthony (2013) New speckle noise suppression technique using cross-correlation of array sub-apertures in ultrasonic NDE of coarse grain materials. In: Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, 32A and 3 . AIP Conference Proceedings, Melville, pp. 865-871. ISBN 9780735411296

Gongzhang, Rui and Li, Minghui and Xiao, Bo and Lardner, Timothy and Gachagan, Anthony (2013) Robust frequency diversity based algorithm for clutter noise reduction of ultrasonic signals using multiple sub-spectrum phase coherence. In: Proceedings of the 40th Annual Review of Progress in Quantitative Nondestructive Evaluation: Incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing. AIP Conference Proceedings, 33A . AIP Conference Proceedings, Melville. ISBN 978735412118

Guarato, Francesco and Windmill, James and Gachagan, Anthony (2013) A new sonar localization strategy using receiver beam characteristics. In: 2013 IEEE International Ultrasonics Symposium. IEEE, pp. 445-448. ISBN 9781467356848

Thattaliyath Kadumberi, Arjun Prakash and O'Leary, Richard and Gachagan, Anthony (2012) Ultrasonic imaging of electrofusion welded polythene pipes employed in utilities industry. In: 51st Annual Conference of the British Institute of Non-Destructive Testing 2012 (NDT 2012). British Institute of Non-Destructive Testing, Northampton, pp. 129-139. ISBN 9781622764372

Ho, Kwok Shun and Li, Minghui and O'Leary, Richard and Gachagan, Anthony (2012) Application of frequency compounding to ultrasonic signals for the NDE of concrete. In: Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, 31A & 31B . AIP Conference Proceedings, Melville, pp. 1508-1515. ISBN 9780735410138

Dziewierz, Jerzy and Gachagan, Anthony (2012) Enhancing 2D phased array sensitivity and bandwidth using in probe electronics. In: 2012 IEEE International Ultrasonics Symposium (IUS) Proceedings. IEEE, 9781467345620, pp. 2400-2403.

Mutasa, Tapiwa and Nordon, Alison and Gachagan, Anthony and O'Leary, Richard (2012) Evaluation of ultrasonic reactor for material processing. In: Proceedings of the 8th International Symposium on Cavitation. CAV 2012 Organizers & Research Publishing Services, pp. 317-320. ISBN 9789810728267

Wang, Chuangnan and Gachagan, Anthony and O'Leary, Richard and MacKersie, John (2012) High intensity focused ultrasound array transducers using 2-2 stacked piezoelectric composite appropriate for sonochemisrty application. In: 2012 IEEE International Ultrasonics Symposium (IUS) Proceedings. IEEE, pp. 2497-2500. ISBN 9781467345613

Gongzhang, Rui and Li, Minghui and Lardner, Timothy and Gachagan, Anthony (2012) Robust defect detection in ultrasonic nondestructive evaluation (NDE) of difficult materials. In: 2012 IEEE International Ultrasonics Symposium (IUS) Proceedings. IEEE, pp. 467-470. ISBN 9781467345613

Dziewierz, Jerzy and Gachagan, Anthony and Lord, Natacha and Mulholland, Anthony (2012) An application-specific design approach for 2D ultrasonic arrays. In: 51st Annual Conference of the British Institute of Non-Destructive Testing 2012 (NDT 2012). British Institute of Non-Destructive Testing, Northampton. ISBN 9781622764372

Promasa, Kornpatsitt and Gachagan, Anthony and Pierce, Stephen (2012) A non-invasive optical technique to map acoustic cavitation activity. In: Proceedings of the 8th International Symposium on Cavitation. CAV 2012 Organizers & Research Publishing Services, pp. 88-92. ISBN 9789810728267

Guarato, Francesco and Windmill, James and Gachagan, Anthony (2012) A sonar localization using receiver beam profile features. In: 2012 IEEE International Ultrasonics Symposium (IUS) Proceedings. IEEE. ISBN 9781467345613

Ho, Kwok Shun and Hutchins, D.A. and Billson, DR and Li, Minghui and Gachagan, Anthony (2011) Extraction of texture in metal sheet using non-contact electromagnetic accoustic transducers (EMATS) and wavelet processing. In: Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, Melville, pp. 1373-1380. ISBN 9780735410138

Ramadas, Sivaram Nishal and Jackson, Joseph and Tweedie, Andrew and O'Leary, Richard and Gachagan, Anthony (2011) Conformally mapped 2D ultrasonic array structure for NDT imaging application. In: Proceedings 2010 IEEE international ultrasonics symposium. IEEE, pp. 33-36. ISBN 9781457703829

Mutasa, T. and Gachagan, A. and Nordon, A. and O'Leary, R.L. (2011) Ultrasonic wave propagation in cylindrical vessels and implications for ultrasonic reactor design. In: Proceedings 2010 IEEE International Ultrasonics Symposium. IEEE, New York, pp. 1470-1473. ISBN 9781457703829

Wang, Chuangnan and Gachagan, Anthony and Nordon, Alison and Curtis, Robin A. and Littlejohn, David (2011) The characterization of htt products using a combination linear and non-linear ultrasonic techniques. In: 2010 IEEE Ultrasonics Symposium. IEEE, pp. 1160-1163. ISBN 9781457703829

Mulholland, Anthony and MacKersie, John and O'Leary, Richard and Gachagan, Anthony and Walker, A. and Ramadas, Sivaram Nishal (2011) The use of fractal geometry in the design of piezoelectric ultrasonic transducers. In: 2011 IEEE International Ultrasonics Symposium (IUS). IEEE, Piscataway, NJ, United States, pp. 1559-1562. ISBN 9781457712531

Dziewierz, Jerzy and Ramadas, Sivaram Nishal and Gachagan, Anthony and O'Leary, Richard (2010) Hexagonal array structure for 2D NDE applications. In: Review of progress in quantitative nondestructive evaluation. AIP Conference Proceedings, 29 . American Institute of Physics, Melville, pp. 825-830. ISBN 9780735407480

Ramadas, S.N. and O'Leary, R.L. and Gachagan, A. and Hayward, G. and Banks, R.A. (2010) A wideband annular piezoelectric composite transducer configuration with a graded active layer profile. In: Proceedings of the 2009 IEEE International Ultrasonics Symposium (IUS). IEEE, pp. 2742-2745. ISBN 9781424443895

Barlow, E and Mulholland, Anthony and Nordon, Alison and Gachagan, Anthony (2010) Theoretical analysis of chirp excitation of contrast agents. In: International Congress on Ultrasonics, Proceedings. Physics Procedia . Elsevier Science, Amsterdam, pp. 743-747.

Bolu, Gabriel Nnamdi and Gachagan, Anthony and Pierce, Stephen and Barton, T (2010) A comparison of methods used to predict the vibrational energy required for a reliable thermosonic inspection. In: NDT 2010 Conference & Exhibition CD-ROM. British Institute of Non-Destructive Testing, Northampton. ISBN 9780903132532

MacKersie, John and Harvey, Gerald and Gachagan, Anthony (2009) Development of an efficient conformable array structure. In: Review of Progess in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, 1096 . American Institute of Physics, Melville, pp. 785-791. ISBN 9780735406292

Mckenna, James P. and McLean, Neil I. and Gachagan, A. and McArthur, S.D.J. and Hayward, G. (2008) An advanced flaw-response modelling approach for inspection qualification using a multi-agent system software platform. In: Review of Progress in Quantitative Nondestructive Evaluation: 34th Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings. American Institute of Physics, pp. 1598-1605. ISBN 978-0-7354-0494-6

McLean, Neil I. and Mckenna, James P. and Gachagan, A. and McArthur, S.D.J. and Hayward, G. (2008) A prototype demonstrator for an inspection qualification multi-agent system (IQMAS). In: Review of Progress in Quantitative Nondestructive Evaluation: 34th Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings. American Institute of Physics, pp. 1606-1613. ISBN 978-0-7354-0494-6

McLean, NI and McKenna, James Paul and Gachagan, Anthony and McArthur, S. D. J. and Hayward, Gordon (2007) The design of a multi-agent nde inspection qualification system. In: Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, 26A & 26B . AIP Conference Proceedings, Melville, pp. 1699-1706. ISBN 9780735403994

Harvey, G. and Gachagan, A. and McNab, A. (2005) The application of finite element analysis in the design of high intensity ultrasonic systems. In: Proceedings of the 2005 IEEE Ultrasonics Symposium. IEEE, 430 - 433. ISBN 0-7803-9382-1

Hailu, B. and Hayward, Gordon and Gachagan, Anthony and McNab, Alistair and Farlow, Roger (2000) Comparison of different piezoelectric materials for the design of embedded transducers for structural health monitoring applications. In: 2000 IEEE Ultrasonics Symposium Proceedings. IEEE, New York, pp. 1009-1012. ISBN 0780363655

Gachagan, Anthony and Reynolds, P. and Hayward, Gordon and Monkhouse, R and Cawley, P (1997) Piezoelectric materials for application in low profile interdigital transducer designs. In: 1997 IEEE Ultrasonics Symposium Proceedings. IEEE, New York, pp. 1025-1028. ISBN 0780341538

Pierce, Stephen and Staszewski, Wieslaw J. and Gachagan, Anthony and James, IR and Philp, WR and Worden, K. and Culshaw, B and McNab, A and Tomlinson, GR and Hayward, Gordon (1997) Ultrasonic condition monitoring of composite structures using a low profile acoustic source and an embedded optical fibre sensor. In: Smart Structures and Integrated Systems - Smart Structures and Materials 1997. Proceedings of the Society of Photo-Optical Instrumentation Engineers (SPIE), 3041 . IEEE, Bellingham, pp. 437-448. ISBN 0819424544

Gachagan, Anthony and Reynolds, P. and Hayward, Gordon and McNab, A (1996) Construction and evaluation of a new generation of flexible ultrasonic transducers. In: 1996 IEEE Ultrasonics Symposium Proceedings. IEEE, Piscataway, NJ, United States, pp. 853-856. ISBN 0780336151

Philp, WR and Pierce, Stephen and Gachagan, Anthony and McNab, A and Hayward, Gordon and Culshaw, B (1996) Ultrasonic condition monitoring of CFRP and GRP plates using a surface mounted source and an embedded optical-fiber sensor. In: 3rd International Conference on Intelligent Materials- 3rd European Conference on Smart Structures and Materials. SPIE, pp. 174-179.

Gachagan, Anthony and Pierce, Stephen and Philp, WR and McNab, A and Hayward, Gordon and Culshaw, Brian (1995) Detection of ultrasonic lamb waves in composite plates using optical-fibres. In: 1995 IEEE Ultrasonics Symposium, 1995. Proceedings. IEEE, pp. 803-806. ISBN 0780329406

Wright, WMD and Hutchins, D.A. and Gachagan, Anthony and Hayward, Gordon (1995) Evaluation of fiber-reinforced composites using noncontact laser air- transducer system. In: Review of Progress in Quantitative Nondestructive Evaluation. Springer, pp. 1333-1340. ISBN 9781461358190

Gachagan, Anthony and Galbraith, Walter and Hayward, Gordon (1994) Wideband characterization of air coupled transducers. In: 1994 IEEE Ultrasonics Symposium, 1994. Proceedings. IEEE, pp. 483-486. ISBN 0780320123

Gachagan, Anthony and Bennett, JT and Hayward, Gordon (1994) A finite-element modelling approach into the influence of mechanical matching and damping in 1-3 piezocomposites. In: 1994 IEEE Ultrasonics Symposium, 1994. Proceedings. IEEE, pp. 995-998. ISBN 0780320123

Hayward, Gordon and Gachagan, Anthony and Hamilton, R. and Hutchins, D.A. and Wright, WMD (1992) Ceramic-epoxy composite transducers for noncontacting ultrasonic applications. In: New Developments in Ultrasonic Transducers and Transducer Systems. Proceedings of the Society Photo-Optical Instrumentation Engineers (SPIE), 1733 . SPIE, pp. 49-56. ISBN 0819409065

Conference or Workshop Item

Gachagan, Anthony and Dziewierz, Jerzy (2013) 2D ultrasonic array transducer design to maximise coverage in composite material structures. In: NATO Workshop on Advanced Non-Destructive Evalautaion Techniques for Polymer Based Composites in Military Vehuicles, 2013-10-09 - 2013-10-11, Riga.

Dziewierz, Jerzy and Gachagan, Anthony (2013) A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted - ray TFM. In: 2013 Joint UFC, EFTF and PFM Symposium, 2013-07-21 - 2013-07-25, Prague.

Gachagan, Anthony and Xiao, Bo and Gongzhang, Rui and O'Leary, Richard and Li, Minghui (2013) Image de-nosing via spectral distribution similarity analysis for non-destructive evaluation. In: 40th Annual Review of Progress in Quantitative Nondestructive Evaluation: Incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing, 2013-07-21 - 2013-07-26, Baltimore.

Bolu, Gabriel Nnamdi and Gachagan, Anthony and Pierce, Stephen and Barden, Tim (2012) The application of finite element analysis to investigate the vibrational response of a turbine blade under thermosonic excitation. In: QNDE 2012, 2012-07-15 - 2012-07-20, Denver. (Unpublished)

Guarato, Francesco and Windmill, James and Gachagan, Anthony (2012) Directional properties of bat ears for target localization. In: Tenth International Congress of Neuroethology, 2012-08-05 - 2012-08-10.

Gachagan, Anthony and Mutasa, Tapiwa and Nordon, Alison and O'Leary, Richard (2011) Design and evaluation of multi-frequency reactor vessel. In: 40th Annual Symposium of the Ultrasonic Industry Association, 2011-05-23 - 2011-05-25, Glasgow.

Bolu, G. and Gachagan, A. and Pierce, S.G. and Harvey, G. (2010) Reliable crack detection in turbine blades using thermosonics: an empirical study. In: UNSPECIFIED.

Dziewierz, J. and Ramadas, S.N. and Gachagan, A. and O'Leary, R.L. and Hayward, G. (2010) A 2D ultrasonic array design incorporating hexagonal-shaped elements for NDE applications. In: 2009 IEEE Ultrasonics Symposium, 2009-09-20 - 2009-09-23, Rome.

Ramadas, S.N. and Dziewierz, J. and O'Leary, R.L. and Gachagan, A. and Velichko, A. and Wilcox, P.D. (2010) An annular array with fiber composite microstructure for far field NDT imaging applications. In: Proceedings of 2009 IEEE Ultrasonics Symposium, 1900-01-01.

Dziewierz, Jerzy and Gachagan, Anthony and O'Leary, Richard and Ramadas, Sivaram Nishal (2009) Numerical optimisation of piezocomposite material properties using 3D finite - element modeling. In: 16th International Congress on Sound and Vibration (CSV16), 2009-07-05 - 2009-07-09, Krakow.

Barlow, E. and Mullholland, Anthony J. and Nordon, A. and Gachagan, A. (2009) Theoretical analysis of chirp excitation of contrast agents. In: International Congress on Ultrasonics, 2009-01-11 - 2009-01-17, Santiago, Chile. (Unpublished)

Tramontana, M. and Gachagan, A. and Hayward, G. and Nordon, A. and Littlejohn, D. (2007) 4I-3 ultrasonic monitoring of heterogeneous chemical reactions. In: UNSPECIFIED.

Harvey, G. and Gachagan, A. and Mackersie, J.W. (2007) Enhanced flexibility and performance from piezocomposite 2D array with a dual-polymer phase improved structure. In: IEEE Ultrasonics Symposium 2006, 2006-10-02 - 2006-10-06, Vancouver.

Harvey, G. and Gachagan, A. and Mackersie, J.W. and Banks, R. (2007) Exploring the advantages of a random 1-3 connectivity piezocomposites structure incorporating piezoelectric fibres as the active element. In: IEEE Ultrasonics Symposium 2006, 2006-10-02 - 2006-10-06, Vancouver.

Mckenna, J.P. and McLean, N.I. and Gachagan, A. and McArthur, S.D.J. and Hayward, G. (2007) Integrating flaw-response modelling tools for inspection qualification into a multi-agent system. In: 46th Annual British Conference on Non-Destructive Testing, 2007-09-18 - 2007-09-20, Glasgow.

Gachagan, A. and Harvey, G. and O'Leary, R.L. and Mackersie, J.W. (2007) Investigating the influence of the constituent materials on the performance of periodic piezoelectric composite arrays. In: UNSPECIFIED.

Harvey, G. and Gachagan, A. and O'Leary, R.L. (2007) Simulation of the influence of hydrophones used for the characterization of pressure field distribution in low frequency, high power ultrasonic reactor vessels. In: IEEE International Ultrasonics Symposium, 1999-01-01.

O'Leary, R.L. and Tweedie, A. and Harvey, G. and Gachagan, A. and Holmes, C. and Wilcox, P. and Drinkwater, B. (2007) Total focussing method for volumetric imaging in immersion non destructive evaluation. In: 2007 IEEE International Ultrasonics Symposium, 2007-10-28 - 2007-10-31, New York.

McLean, N.I. and Mckenna, J.P. and Gachagan, A. and McArthur, S.D.J. and Hayward, G. (2007) A prototype inspection qualification multi-agent system (IQMAS). In: 46th Annual British Conference on Non-Destructive Testing, 2007-09-18 - 2007-09-20, Glasgow.

Benny, C.G. and Gachagan, A. and Hayward, G. and Nordon, A. and Littlejohn, D. (2007) A wideband ultrasonic test system for characterisation of particulate systems in the linear and non-linear regimes. In: International Congress on Ultrasonics, 2007-04-09 - 2007-04-13, Vienna.

Mckenna, J.P. and McLean, N.I. and Gachagan, A. and McArthur, S.D.J. and Hayward, G. (2006) The design of a multi-agent system for flaw-response modelling. In: 45th Annual British Conference on Non-Destructive Testing, 2006-09-12 - 2006-09-14, Stratford-upon-Avon.

McLean, N.I. and Mckenna, J.P. and Gachagan, A. and McArthur, S.D.J. and Hayward, G. (2006) A multi agent system for inspection qualification. In: 45th Annual British Conference on Non-Destructive Testing, 2006-09-12 - 2006-09-14, Stratford-upon-Avon.

Gachagan, A. and Reynolds, P. and McNab, A. (2004) An analysis of ultrasonic wave propagation in metallic pipe structures using finite element modelling techniques. In: 16th WCNDT 2004 - World Conference on NDT, 2004-08-30 - 2004-09-03, Montreal.

Robertson, D. and Hayward, G. and Gachagan, A. and Hyslop, J. and Murray, V. (2004) A new low frequency piezoelectric composite transducer. In: 2004 IEEE Ultrasonics Symposium, 2004-08-23 - 2004-08-27, Montreal.

Robertson, D.C. and Hayward, G. and Gachagan, A. and Hyslop, J. and Reynolds, P. (2003) Comparison of mechanical cross talk in single crystal and ceramic periodic piezoelectric composite arrays. In: IEEE International Ultrasonics Symposium 2003, 2003-10-05 - 2003-10-08, Honolulu.

Hayward, G. and Benny, C.G. and Gachagan, A. and Farlow, R. and Hailu, B. and McNab, A. and Girma, Demessie (2003) Embedded ultrasonic transducer design and wireless communication for intelligent monitoring of structures. In: 29th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2002-07-14 - 2002-07-19, Bellingham.

Gachagan, A. and Hailu, B. and McNab, A. and Lang, W. and Hendry, J. and Hayward, G. and Banks, W. (2003) Impact on the mechanical integrity of carbon fibre reinforced composite plates incorporating embedded piezoceramic transducers. In: 30th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2003-07-27 - 2003-08-01, Green Bay.

Robertson, D.C. and Hayward, G. and Gachagan, A. (2002) Lamb wave suppression in periodic 1-3 piezoelectric composite transducers. In: IEEE International Ultrasonic Symposium, 2002-10-08 - 2002-10-11, Munich.

Gachagan, A. and Kelly, S. and Altman, M. and Grauvogl, E. and Hayward, G. and Banks, Robert and Mccunnie, Thomas and Skillen, David (2002) Development of a manual air-coupled ultrasonic inspection instrument for use on aeronautical structures under in-service conditions. In: 29th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2002-07-14 - 2002-07-19, Bellingham.

Hailu, B. and Hayward, G. and McNab, A. and Gachagan, A. and Farlow, R. (2001) The structural integrity of composite plates with embedded piezoelectric transducers for smart structural monitoring. In: NDT2001, 2001-09-01.

Hailu, B. and Hayward, G. and McNab, A. and Gachagan, A. and Farlow, R. (2001) An evaluation of different piezoelectric materials for smart structural monitoring applications : the issue of structural integrity in the host structure and mechanical compatibility of embedded transducers. In: 28th Annual Conference on Quantitative Nondestructive Evaluation, 2001-07-29 - 2001-08-03, Brunswick.

Hayward, G. and McNab, A. and Gachagan, A. and Farlow, R. and Hailu, B. and Atkinson, D.C. and Girma, D. and Smith, D.G. and Whitely, S. (2000) Embedded ultrasonic sensors for monitoring structural integrity. In: 27th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2000-07-16 - 2000-07-20, Ames.

Proceedings Paper

Dobie, Gordon and Galbraith, Walter and MacLeod, Charles Norman and Summan, Rahul and Pierce, Stephen and Gachagan, Anthony (2013) Automatic ultrasonic robotic array. [Proceedings Paper]

Bolu, Gabriel Nnamdi and Pierce, Gareth and Gachagan, Anthony and Barden, Tim and Harvey, Gerry (2012) Investigations into the vibrational response of an aero-engine turbine blade under thermosonic excitation. [Proceedings Paper]

Bolu, G. and Gachagan, A. and Pierce, G. and Harvey, G. and Choong, L. (2010) Monitoring crack propagation in turbine blades caused by thermosonic inspection. [Proceedings Paper]

This list was generated on Sat Aug 30 19:35:47 2014 BST.