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Tabatabaeipour, Morteza and Jackson, William and Gilmour, Adam and Zhang, Dayi and Poole, Alastair and Tzaferis, Konstantinos and Dobie, Gordon and Gachagan, Anthony (2024) Mitigating RGB-D camera errors for robust ultrasonic inspections using a force-torque sensor. Nondestructive Testing and Evaluation. ISSN 1058-9759
Mills, Brandon and Javadi, Yashar and Abad, Farhad and Lotfian, Saeid and MacLeod, Charles and Mehmanparast, Ali and Pierce, Gareth and Gachagan, Anthony (2024) Inspection of wind turbine bolted connections using the Ultrasonic Phased Array system. Heliyon, 10 (14). e34579. ISSN 2405-8440
Lukacs, Peter and Stratoudaki, Theodosia and Davis, Geo and Gachagan, Anthony (2024) Online evolution of a phased array for ultrasonic imaging by a novel adaptive data acquisition method. Scientific Reports, 14 (1). 8541. ISSN 2045-2322
Zhang, Dayi and Jackson, William and Dobie, Gordon and MacLeod, Charles and Gachagan, Anthony (2024) Innovative non-invasive ultrasound method for whisky cask liquid level measurement. Measurement, 228. 114345. ISSN 1873-412X
Javadi, Yashar and Mills, Brandon and MacLeod, Charles and Lines, David and Abad, Farhad and Lotfian, Saeid and Mehmanparast, Ali and Pierce, Gareth and Brennan, Feargal and Gachagan, Anthony and Mineo, Carmelo (2024) Phased array ultrasonic method for robotic preload measurement in offshore wind turbine bolted connections. Sensors, 24 (5). 1421. ISSN 1424-8220
Foster, Euan A. and Sweeney, Nina E. and Nicolson, Ewan and Singh, Jonathan and Rizwan, Muhammad K. and Lines, David and Pierce, Gareth and Mohseni, Ehsan and Gachagan, Anthony and Tant, Katherine M.M. and MacLeod, Charles N. (2023) Thermal compensation of ultrasonic transmit and receive data for steel welded plates at the point of manufacture. NDT and E International, 137. 102812. ISSN 0963-8695
Hampson, Rory and Zhang, Dayi and Gachagan, Anthony and Dobie, Gordon (2022) Modelling and characterisation ultrasonic phased array transducers for pipe inspections. International Journal of Pressure Vessels and Piping, 200. 104808. ISSN 0308-0161
Loukas, Charalampos and Warner, Veronica and Jones, Richard and MacLeod, Charles N. and Vasilev, Momchil and Mohseni, Ehsan and Dobie, Gordon and Sibson, Jim and Pierce, Stephen G. and Gachagan, Anthony (2022) A sensor enabled robotic strategy for automated defect-free multi-pass high-integrity welding. Materials and Design, 224. 111424. ISSN 0261-3069
Foster, Euan A. and Bernard, Robert and Bolton, Gary and Jackson-Camargo, Joseph C. and Gachagan, Anthony and Mohseni, Ehsan and MacLeod, Charles N. (2022) Inspection of nuclear assets with limited access using feature guided waves. NDT and E International, 131. 102695. ISSN 0963-8695
Tabatabaeipour, Morteza and Tzaferis, Konstantinos and McMillan, Ross and Jackson, William and Dobie, Gordon and Edwards, Rachel S. and Trushkevych, Oksana and Gachagan, Anthony (2022) Ultrasonic guided wave estimation of minimum remaining wall thickness using Gaussian process regression. Materials & Design, 221. 110990. ISSN 0261-3069
Vithanage, Randika K.W. and Mohseni, Ehsan and Lines, David and Loukas, Charalampos and Foster, Euan and MacLeod, Charles N. and Pierce, S. Gareth and Gachagan, Anthony and Ding, Jialuo and Williams, Stewart (2022) Development of a phased array ultrasound roller probe for inspection of wire + arc additive manufactured components. Journal of Manufacturing Processes, 80. pp. 765-774. ISSN 1526-6125
Foster, Euan Alexander and Bolton, Gary and Bernard, Robert and McInnes, Martin and McKnight, Shaun and Nicolson, Ewan and Loukas, Charalampos and Vasilev, Momchil and Lines, Dave and Mohseni, Ehsan and Gachagan, Anthony and Pierce, Gareth and MacLeod, Charles N. (2022) Automated real time eddy current array inspection of nuclear assets. Sensors, 22 (16). p. 6036. 6036. ISSN 1424-8220
Poole, Alastair and Sutcliffe, Mark and Pierce, Gareth and Gachagan, Anthony (2022) Autonomous, digital-twin free path planning and deployment for robotic NDT : introducing LPAS : Locate, Plan, Approach, Scan Using Low Cost Vision Sensors. Applied Sciences, 12 (10). 5288. ISSN 2076-3417
Tabatabaeipour, Morteza and Trushkevych, Oksana and Dobie, Gordon and Edwards, Rachel S. and McMillan, Ross and MacLeod, Charles and O'Leary, Richard and Dixon, Steven and Gachagan, Anthony and Pierce, Stephen G. (2022) Application of ultrasonic guided waves to robotic occupancy grid mapping. Mechanical Systems and Signal Processing, 163. 108151. ISSN 0888-3270
Zimermann, Rastislav and Mohseni, Ehsan and Lines, David and Vithanage, Randika K.W. and MacLeod, Charles N. and Pierce, Stephen G. and Gachagan, Anthony and Javadi, Yashar and Williams, Stewart and Ding, Jialuo (2021) Multi-layer ultrasonic imaging of as-built Wire + Arc additive manufactured components. Additive Manufacturing, 48 (Part A). 102398. ISSN 2214-8604
Vithanage, Randika K. W. and Mohseni, Ehsan and Qiu, Zhen and MacLeod, Charles and Javadi, Yashar and Sweeney, Nina and Pierce, Gareth and Gachagan, Anthony (2021) A phased array ultrasound roller probe for automated in-process/interpass inspection of multipass welds. IEEE Transactions on Industrial Electronics, 68 (12). pp. 12781-12790. ISSN 0278-0046
Poole, Alastair and Sutcliffe, Mark and Pierce, Gareth and Gachagan, Anthony (2021) A novel complete-surface-finding-algorithm for online surface scanning with limited view sensors. Sensors, 21 (22). 7692. ISSN 1424-8220
Loukas, Charalampos and Williams, Veronica and Jones, Richard and Vasilev, Momchil and MacLeod, Charles Norman and Dobie, Gordon and Sibson, Jim and Pierce, Gareth and Gachagan, Anthony (2021) A cost-function driven adaptive welding framework for multi-pass robotic welding. Journal of Manufacturing Processes, 67. pp. 545-561. ISSN 1526-6125
Vasilev, Momchil and MacLeod, Charles N. and Loukas, Charalampos and Javadi, Yashar and Vithanage, Randika K. W. and Lines, David and Mohseni, Ehsan and Pierce, Stephen Gareth and Gachagan, Anthony (2021) Sensor-enabled multi-robot system for automated welding and in-process ultrasonic NDE. Sensors, 21 (15). 5077. ISSN 1424-8220
Nwankpa, Chigozie Enyinna and Ijomah, Winifred and Gachagan, Anthony (2021) Design for automated inspection in remanufacturing : a discrete event simulation for process improvement. Cleaner Engineering and Technology, 4. 100199. ISSN 2666-7908
Vasilev, Momchil and MacLeod, Charles and Javadi, Yashar and Pierce, Gareth and Gachagan, Anthony (2021) Feed forward control of welding process parameters through on-line ultrasonic thickness measurement. Journal of Manufacturing Processes, 64. pp. 576-584. ISSN 1526-6125
Vasilev, Momchil and MacLeod, Charles and Galbraith, Walter and Javadi, Yashar and Foster, Euan and Dobie, Gordon and Pierce, Gareth and Gachagan, Anthony (2021) Non-contact in-process ultrasonic screening of thin fusion welded joints. Journal of Manufacturing Processes, 64. pp. 445-454. ISSN 1526-6125
Javadi, Yashar and Mohseni, Ehsan and MacLeod, Charles N. and Lines, David and Vasilev, Momchil and Mineo, Carmelo and Pierce, Stephen G. and Gachagan, Anthony (2021) High-temperature in-process inspection followed by 96-h robotic inspection of intentionally manufactured hydrogen crack in multi-pass robotic welding. International Journal of Pressure Vessels and Piping, 189. 104288. ISSN 0308-0161
Mohseni, Ehsan and Javadi, Yashar and Sweeney, Nina E. and Lines, David and MacLeod, Charles N. and Vithanage, Randika K.W. and Qiu, Zhen and Vasilev, Momchil and Mineo, Carmelo and Lukacs, Peter and Foster, Euan and Pierce, S. Gareth and Gachagan, Anthony (2021) Model-assisted ultrasonic calibration using intentionally embedded defects for in-process weld inspection. Materials and Design, 198. 109330. ISSN 0261-3069
Tant, K. M. M. and Galetti, E. and Mulholland, A. J. and Curtis, A. and Gachagan, A. (2020) Effective grain orientation mapping of complex and locally anisotropic media for improved imaging in ultrasonic non-destructive testing. Inverse Problems in Science and Engineering, 28 (12). pp. 1694-1718. ISSN 1741-5977
Javadi, Yashar and Sweeney, Nina E. and Mohseni, Ehsan and MacLeod, Charles N. and Lines, David and Vasilev, Momchil and Qiu, Zhen and Vithanage, Randika K.W. and Mineo, Carmelo and Stratoudaki, Theodosia and Pierce, Stephen G. and Gachagan, Anthony (2020) In-process calibration of a non-destructive testing system used for in-process inspection of multi-pass welding. Materials and Design, 195. 108981. ISSN 0261-3069
Nwankpa, Chigozie and Eze, Solomon and Ijomah, Winifred and Gachagan, Anthony and Marshall, Stephen (2020) Achieving remanufacturing inspection using deep learning. Journal of Remanufacturing, 11 (2). pp. 89-105. ISSN 2210-4690
Li, Xiaotong and Gachagan, Anthony and Murray, Paul (2020) Design of 2D sparse array transducers for anomaly detection in medical phantoms. Sensors, 20 (18). 5370. ISSN 1424-8220
Lines, David and Javadi, Yashar and Mohseni, Ehsan and Vasilev, Momchil and MacLeod, Charles Norman and Mineo, Carmelo and Wathavana Vithanage, Randika Kosala and Qiu, Zhen and Zimermann, Rastislav and Loukas, Charalampos and Foster, Euan and Pierce, Gareth and Gachagan, Anthony (2020) A flexible robotic cell for in-process inspection of multi-pass welds. Insight: The Journal of the British Institute of Non-Destructive Testing, 62 (9). pp. 526-532. ISSN 1354-2575
Mohseni, Ehsan and MacLeod, Charles and Javadi, Yashar and Vithanage, Randika K. W. and Qiu, Zhen and Lines, David and Foster, Euan and Lukacs, Peter and Vasilev, Momchil and Zimermann, Rastislav and Pierce, S. Gareth and Gachagan, Anthony (2020) A model-based study of transmit-receive longitudinal arrays for inspection of subsurface defects. Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems, 3 (3). 031102. ISSN 2572-3901
Ingram, M. and Gachagan, A. and Nordon, A. and Mullholland, A. J. and Hegarty, M. (2020) Calibration of ultrasonic hardware for enhanced total focusing method imaging. Insight: The Journal of the British Institute of Non-Destructive Testing, 62 (7). pp. 408-415. ISSN 1354-2575
Ingram, Marcus and Mineo, Carmelo and Gachagan, Anthony and Mulholland, Anthony J. and Nordon, Alison and Hegarty, Martin (2020) Determination of bubble size distribution using ultrasound array imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 67 (7). pp. 1424-1437. ISSN 0885-3010
Javadi, Yashar and Mohseni, Ehsan and MacLeod, Charles N. and Lines, David and Vasilev, Momchil and Mineo, Carmelo and Foster, Euan and Pierce, Stephen G. and Gachagan, Anthony (2020) Continuous monitoring of an intentionally-manufactured crack using an automated welding and in-process inspection system. Materials and Design, 191. 108655. ISSN 0261-3069
McGregor, Alexander and Dobie, Gordon and Pearson, Neil R. and MacLeod, Charles N. and Gachagan, Anthony (2020) Determining position and orientation of a 3-wheel robot on a pipe using an accelerometer. IEEE Sensors Journal, 20 (9). pp. 5061-5071. 8951135. ISSN 1530-437X
Javadi, Yashar and Sweeney, Nina E. and Mohseni, Ehsan and MacLeod, Charles N. and Lines, David and Vasilev, Momchil and Qiu, Zhen and Mineo, Carmelo and Pierce, Stephen G. and Gachagan, Anthony (2020) Investigating the effect of residual stress on hydrogen cracking in multi-pass robotic welding through process compatible non-destructive testing. Journal of Manufacturing Processes. ISSN 1526-6125
Davì, S and Mineo, C and MacLeod, C and Pierce, S G and Gachagan, A and Paton, S and Munro, G and O'Brien-O'Reilly, J and McCubbin, C (2020) Correction of B-scan distortion for optimum ultrasonic imaging of back walls with complex geometries. Insight: The Journal of the British Institute of Non-Destructive Testing, 62 (4). pp. 184-191. ISSN 1354-2575
Javadi, Yashar and MacLeod, Charles N. and Pierce, Stephen G. and Gachagan, Anthony and Lines, David and Mineo, Carmelo and Ding, Jialuo and Williams, Stewart and Vasilev, Momchil and Mohseni, Ehsan and Su, Riliang (2019) Ultrasonic phased array inspection of a Wire + Arc Additive Manufactured (WAAM) sample with intentionally embedded defects. Additive Manufacturing, 29. 100806. ISSN 2214-8604
Lukacs, Peter and Stratoudaki, Theodosia and Wilcox, Paul and Clark, Matt and Gachagan, Anthony (2019) Optimisation of data acquisition and processing for laser induced ultrasonic phased arrays. Proceedings of Meetings on Acoustics, 38 (1). 030015. ISSN 1939-800X
Javadi, Y. and MacLeod, C. N. and Pierce, S. G. and Gachagan, A. and Kerr, W. and Ding, Jialuo and Williams, Stewart and Vasilev, M. and Su, R. and Mineo, C. and Dziewierz, J. (2019) Ultrasonic phased array inspection of wire + arc additive manufacture samples using conventional and total focusing method imaging approaches. Insight: Non-Destructive Testing and Condition Monitoring, 61 (3). pp. 144-148. ISSN 1354-2575
Fang, Haoyu and Qiu, Zhen and Mulholland, Anthony J. and O'Leary, Richard L. and Gachagan, Anthony (2018) Broadband 1-3 piezoelectric composite transducer design using Sierpinski Gasket fractal geometry. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 65 (12). pp. 2429-2439. ISSN 0885-3010
Zacharis, Panagiotis and West, Graeme and Dobie, Gordon and Lardner, Timothy and Gachagan, Anthony (2018) Data-driven analysis of ultrasonic inspection data of pressure tubes. Nuclear Technology, 202. pp. 153-160. ISSN 1943-7471
Tant, K M M and Galetti, E and Mulholland, A J and Curtis, A and Gachagan, A (2018) A transdimensional Bayesian approach to ultrasonic travel-time tomography for non-destructive testing. Inverse Problems, 34 (9). 095002. ISSN 0266-5611
Tant, Katherine M. M. and Mulholland, Anthony J. and Gachagan, Anthony (2017) Application of the factorisation method to limited aperture ultrasonic phased array data. Acta Acustica United with Acustica, 103 (6). pp. 954-966. ISSN 1861-9959
Lardner, Timothy and West, Graeme and Dobie, Gordon and Gachagan, Anthony (2017) Automated sizing and classification of defects in CANDU pressure tubes. Nuclear Engineering and Design, 325. pp. 25-32. ISSN 0029-5493
Cowley, James and Mulholland, Anthony J. and Gachagan, Anthony (2017) A nonlinear elasticity approach to modelling the collapse of a shelled microbubble. IMA Journal of Applied Mathematics, 82 (4). pp. 781-801. ISSN 1464-3634
Cunningham, L. J. and Mulholland, A. J. and Tant, K. M. M. and Gachagan, A. and Harvey, G. and Bird, C. (2017) A spectral method for sizing cracks using ultrasonic arrays. Inverse Problems in Science and Engineering. ISSN 1741-5977
Guarato, Francesco and Andrews, Heather and Windmill, James F. and Jackson, Joseph and Gachagan, Anthony (2016) Directional receiver for biomimetic sonar system. Physics Procedia, 87. pp. 24-28. ISSN 1875-3892
Cunningham, Laura J. and Mulholland, Anthony J. and Tant, Katherine M. M. and Gachagan, Anthony and Harvey, Gerry and Bird, Colin (2016) The detection of flaws in austenitic welds using the decomposition of the time reversal operator. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 472 (2188). 20150500. ISSN 1471-2962
Gongzhang, Rui and Gachagan, Anthony (2016) Advanced defect detection algorithm using clustering in ultrasonic NDE. AIP Conference Proceedings, 1706. 180009. ISSN 1551-7616
Guarato, Francesco and Mulholland, Anthony J. and Windmill, James F. and Gachagan, Anthony (2015) Radiation properties of truncated cones to enhance the beam patterns of air-coupled transducers. Physics Procedia, 70. pp. 163-166. ISSN 1875-3892
Guarato, Francesco and Andrews, Heather and Windmill, James F C and Jackson, Joseph and Pierce, Gareth and Gachagan, Anthony (2015) Features in geometric receiver shapes modelling bat-like directivity patterns. Bioinspiration & Biomimetics, 10 (5). 056007. ISSN 1748-3182
Ghouri, A.A. and Rafferty, Steven and Pickwell, Andy and Galbraith, Walter and Pierce, S. Gareth and Gachagan, Anthony (2015) Integration of acoustic emission systems within Integri-Tech™ analysis system for structural health monitoring of pressurised engineering plant. Journal of Physics: Conference Series, 628 (1). 012023. ISSN 1742-6588
Tramontana, Manuel and Gachagan, Anthony and Nordon, Alison and Littlejohn, David and O'Leary, Richard and Mulholland, Anthony J. (2015) System modeling and device development for passive acoustic monitoring of a particulate-liquid process. Sensors and Actuators A: Physical, 228. pp. 159-169. ISSN 0924-4247
Tant, Katherine M. M. and Mulholland, Anthony J. and Gachagan, Anthony (2015) A model-based approach to crack sizing with ultrasonic arrays. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 62 (5). pp. 915-926. ISSN 0885-3010
Tant, Katherine M.M. and Mulholland, Anthony J. and Langer, Matthias and Gachagan, Anthony (2015) A fractional Fourier transform analysis of the scattering of ultrasonic waves. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 471 (2175). 471. ISSN 1471-2962
Pappas, Charalampos G. and Mutasa, Tapiwa and Frederix, Pim W. J. M. and Fleming, Scott and Bia, Shuo and Debnath, Sisir and Kelly, Sharon M. and Gachagan, Anthony and Ulijn, Rein V. (2015) Transient supramolecular reconfiguration of peptide nanostructures using ultrasound. Materials Horizons, 2 (2). pp. 198-202. ISSN 2051-6355
Pappas, Charalampos G. and Frederix, Pim W. J. M. and Mutasa, Tapiwa and Fleming, Scott and Abul-Haija, Yousef M. and Kelly, Sharon M. and Gachagan, Anthony and Kalafatovic, Daniela and Trevino, Jacob and Ulijn, Rein V. and Bai, Shuo (2015) Alignment of nanostructured tripeptide gels by directional ultrasonication. Chemical Communications, 51 (40). pp. 8465-8468. ISSN 1359-7345
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 1520-8524
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 1520-8524
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. Key Engineering Materials, 518. pp. 184-192. ISSN 1013-9826
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 1464-3634
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 Chapman, R. 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 1520-8524
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 1520-8524
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
Tzaferis, Konstantinos and Tabatabaeipour, Morteza and Dobie, Gordon and Pierce, Gareth and Papaelias, Mayorkinos and MacLeod, Charles and Gachagan, Anthony; Farhangdoust, Saman and Guemes, Alfredo and Chang, Fu-Kuo, eds. (2023) The effect of complex corrosion profiles on remaining wall thickness quantification using shear horizontal guided waves. In: Structural Health Monitoring 2023. Destech Publications, USA. ISBN 9781605956930
Chibli, Abdul Hadi and Lucas, Margaret and Gachagan, Anthony and Cochran, Sandy; (2023) Comparing generation III relaxor-PT single crystal with modified PZT-4 for power ultrasonics devices. In: 2023 IEEE International Symposium on Applications of Ferroelectrics (ISAF). IEEE International Symposium on Applications of Ferroelectrics (ISAF) . IEEE, USA. ISBN 9781665463232
Gilmour, Adam and Tabatabaeipour, Morteza and McMillan, Ross and Tzaferis, Konstantinos and Hampson, Rory and Jackson, William and Zhang, Dayi and Lawley, Alistair and Mohamed, Aasim and MacLeod, Charles and Gachagan, Anthony and Pierce, Stephen G and Dobie, Gordon; Farhangdoust, Saman and Guemes, Alfredo and Chang, Fu-Kuo, eds. (2023) Robotic ultrasonic inspection of large and complex structural assets. In: Structural Health Monitoring 2023. Destech Publications, USA, pp. 2143-2150. ISBN 9781605956930
Javadi, Yashar and Hutchison, Alistair and Zimermann, Rastislav and Lines, David and Sweeney, Nina E. and Vasilev, Momchil and Mohseni, Ehsan and Vithanage, Randika K. W. and MacLeod, Charles N. and Pierce, Gareth and Mehnen, Jorn and Gachagan, Anthony; (2022) Development of a phased array ultrasonic system for residual stress measurement in welding and additive manufacturing. In: ASME 2022 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP, 4B . American Society of Mechanical Engineers (ASME), USA. ISBN 9780791886182
Lukacs, Peter and Davis, Geo and Stratoudaki, Theodosia and Javadi, Yashar and Pierce, Gareth and Gachagan, Anthony; (2022) Remote, volumetric ultrasonic imaging of defects using two-dimensional laser induced phased arrays. In: Proceedings of 2021 48th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2021. Proceedings of 2021 48th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2021 . American Society of Mechanical Engineers (ASME), Virtual, Online. ISBN 9780791885529
Tzaferis, Konstantinos and Tabatabaeipour, Seyed Morteza and Dobie, Gordon and Pierce, Gareth and Lines, David and MacLeod, Charles Norman and Gachagan, Anthony; Rizzo, Piervincenzo and Milazzo, Alberto, eds. (2022) Dual mode inspection using guided waves and phased array ultrasonics from a single transducer. In: European Workshop on Structural Health Monitoring, EWSHM 2022. Lecture Notes in Civil Engineering, 270 . Springer, ITA, pp. 79-88. ISBN 9783031073229
Chibli, Abdul Hadi and Li, Xuan and Fenu, Nicola Giuseppe and Cochran, Sandy and Gachagan, Anthony; (2021) Incorporating planar folded front masses in bolted Langevin-style transducers for minimally invasive surgery. In: 2021 IEEE International Ultrasonics Symposium (IUS). IEEE International Ultrasonics Symposium (IUS) . IEEE, CHN. ISBN 9781665403559
Lukacs, Peter and Davis, Geo and Stratoudaki, Theodosia and Williams, Stewart and MacLeod, Charles N. and Gachagan, Anthony; (2021) Remote ultrasonic imaging of a wire arc additive manufactured Ti-6AI-4V component using laser induced phased array. In: 2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, GBR, pp. 1-6.
Moldovan, Alexandru C. and Qiu, Zhen and Lines, David and Gachagan, Anthony and Cochran, Sandy; (2020) Enhanced modelling of a 1-D phased ultrasonic array for intracorporeal sonoporation. In: 2020 IEEE International Ultrasonics Symposium (IUS). IEEE International Ultrasonics Symposium . IEEE, Piscataway, NJ.. ISBN 9781728154497
Ingram, Marcus and Gachagan, Anthony and Mulholland, Anthony J. and Nordon, Alison and Dziewierz, Jerzy and Hegarty, Martin; (2019) Enhanced phased array imaging through reverberating interfaces. In: 45th Annual Review Of Progress In Quantitative Nondestructive Evaluation. AIP Conference Proceedings, 38 . AIP, USA. ISBN 9780735418325
Javadi, Yashar and Vasilev, Momchil and MacLeod, Charles N. and Pierce, Stephen G. and Su, Riliang and Mineo, Carmelo and Dziewierz, Jerzy and Gachagan, Anthony; Laflamme, Simon and Holland, Stephen and Bond, Leonard J., eds. (2019) Intentional weld defect process : from manufacturing by robotic welding machine to inspection using TFM phased array . In: 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, USA. ISBN 9780735418325
Su, Riliang and Mineo, Carmelo and MacLeod, Charles N. and Pierce, Stephen G. and Gachagan, Anthony; (2019) Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays. In: 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, USA.
Qiu, Zhen and Fang, Haoyu and O'Leary, Richard and Gachagan, Anthony and Moldovan, Alexandru; (2018) Broadband piezocrystal transducer array for non-destructive evaluation imaging applications. In: Proceeding 2018 IEEE International Ultrasonics Symposium. IEEE, JPN. ISBN 978-1-5386-3425-7
Ingram, Marcus and Gachagan, Anthony and Mulholland, Anthony J. and Nordon, Alison and Hegarty, Martin; (2018) Ultrasonic array imaging through reverberating layers for industrial process analysis. In: 2018 IEEE International Ultrasonics Symposium. IEEE, JPN. ISBN 9781538634257
Moldovan, Alexandru Corneliu and Dziewierz, Jerzy and Gachagan, Anthony and Cochran, Sandy and Lay, Holly; (2018) Virtual prototyping of a catheter transducer array for internal hepatic sonoporation. In: 2018 IEEE International Ultrasonics Symposium (IUS). IEEE, JPN. ISBN 9781538634257
Zhao, Huan and Gachagan, Anthony and Dobie, Gordon and Lardner, Timothy; Chimenti, Dale E. and Bond, Leonard J., eds. (2018) Wavelet analysis of poorly-focused ultrasonic signal of pressure tube inspection in nuclear industry. In: 44th Annual Rview of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, USA. ISBN 978-0-7354-1644-4
Li, Xiaotong and Gachagan, Anthony and Dziewierz, Jerzy and O'Leary, Richard and Murray, Paul; (2017) Design of a 2D sparse array transducer for integration into an ergonomic transcranial ultrasound system. In: 2017 IEEE International Ultrasonics Symposium, IUS 2017. IEEE, USA. ISBN 9781538633830
Fang, H. and Qiu, Z. and O'Leary, R. L. and Gachagan, A. and Mulholland, A. J.; (2017) Linear ultrasonic array incorporating a Cantor Set fractal element configuration. In: IEEE International Ultrasonics Symposium (IUS), 2017. IEEE, Piscataway, N.J.. ISBN 9781538633847
Morozov, M. and Dobie, G. and Gachagan, A.; (2017) Assessment of corrosion under insulation and engineered temporary wraps using pulsed eddy-current techniques. In: 56th Annual British Conference on Non-Destructive Testing. British Institute of Non-Destructive Testing, GBR, pp. 475-484. ISBN 9781510847262
Lardner, T. and West, G. M. and Dobie, G. and Gachagan, A.; American Nuclear Society, ed. (2017) An expert-systems approach to automatically determining flaw depth within candu pressure tubes. In: 10th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies, NPIC and HMIT 2017. Curran Associates, Inc., USA, pp. 904-913. ISBN 9781510851160
Guarato, F. and Barduchi de Lima, G. and Windmill, J.F.C. and Gachagan, A.; (2016) Airborne broad-beam emitter from a capacitive transducer and a cylindrical structure. In: 2016 IEEE International Ultrasonics Symposium (IUS). IEEE, FRA. ISBN 9781467398985
Qiu, Zhen and O'Leary, Richard and Gachagan, Anthony and Dobson, Jeff; (2016) Design of a low profile array transducer in d15 mode for high angled shear wave generation. In: Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, FRA.
Fang, Haoyu and Qiu, Zhen and O'Leary, Richard and Gachagan, Anthony and Mulholland, Anthony; (2016) Improving the operational bandwidth of a 1-3 piezoelectric composite transducer using Sierpinski Gasket fractal geometry. In: Ultrasonics Symposium (IUS), 2016 IEEE International. IEEE, FRA.
Tant, Katherine M. M. and Galetti, Erica and Mulholland, Anthony J. and Curtis, Andrew and Gachagan, Anthony; (2016) Mapping the material microstructure of safety critical components using ultrasonic phased arrays. In: 2016 IEEE International Ultrasonics Symposium (IUS). IEEE, FRA. ISBN 9781467398978
Zhao, Huan and Dobson, Jeff and Gachagan, Anthony and Lardner, Timothy and Dobie, Gordon; (2016) Hybrid simulation model of ultrasonic inspection of pressure tubes in nuclear industry. In: Proceedings of 55th Annual British Conference of Non-Destructive Testing - NDT 2016. British Institute of Non-Destructive Testing, GBR, pp. 1-10. ISBN 9781510830943
Dobson, Jeff and Tweedie, Andrew and Harvey, Gerald and O'Leary, Richard and Mulholland, Anthony and Tant, Katherine and Gachagan, Anthony; Chimenti, Dale E. and Bond, Leonard J., eds. (2016) Finite element analysis simulations for ultrasonic array NDE inspections. In: 42nd Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, USA, 040005-1 - 040005-14. ISBN 9780735413535
Tant, Katherine M M and Mulholland, Anthony J. and Gachagan, Anthony; (2015) An analytical approach to objectively sizing cracks using ultrasonic phased array data. In: 54th Annual British Conference of Non-Destructive Testing, NDT 2015. British Institute of Non-Destructive Testing, GBR, pp. 282-291. ISBN 9781510813236
Gongzhang, Rui and Gachagan, Anthony and Xiao, Bo; Chimenti, Dale E. and Bond, Leonard J., eds. (2015) Clutter noise reduction for phased array imaging using frequency-spatial polarity coherence. In: 41st Annual Review of Progress in Quantative Nondestructive Evaluation. AIP Conference Series, 34 . AIP Publishing, USA, pp. 1648-1656. ISBN 9780735412927
McGilp, Ailidh and Dziewierz, Jerzy and Lardner, Timothy and Gachagan, Anthony and MacKersie, John and Bird, Colin; (2015) Inspection of complex components using 2D arrays and TFM. In: 53rd Annual Conference of the British Institute of Non-Destructive Testing (NDT 2014). British Institute of Non-Destructive Testing. ISBN 9781634395038
McGilp, Ailidh and Dziewierz, Jerzy and Lardner, Timothy and MacKersie, John and Gachagan, Anthony; Chimenti, Dale E. and Bond, Leonard J. and Thompson, Donald O., eds. (2014) Inspection design using 2D phased array, TFM and cueMAP software. In: 40th Annual Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, USA. ISBN 978735412118
Lardner, Timothy and Li, Minghui and Gachagan, Anthony; Chimenti, Dale E. and Bond, Leonard J. and Thompson, Donald O., eds. (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, USA. ISBN 978735412118
Dobie, Gordon and Galbraith, Walter and MacLeod, Charles Norman and Summan, Rahul and Pierce, Stephen and Gachagan, Anthony; (2014) Automatic ultrasonic robotic array. In: 2013 IEEE International Ultrasonics Symposium (IUS). IEEE, CZE. ISBN 978-1-4673-5685-5
Dziewierz, Jerzy and Gachagan, Anthony; (2013) A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted - ray TFM. In: 2013 IEEE International Ultrasonics Symposium (IUS). Proceedings - IEEE Ultrasonics Symposium . IEEE, CZE, pp. 136-138. ISBN 9781467356862
Lardner, Timothy and Li, Minghui and Gongzhang, Rui and Gachagan, Anthony; Thompson, D.O. and Chimenti, D.E., eds. (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, USA, pp. 865-871. ISBN 9780735411296
Gongzhang, Rui and Li, Minghui and Xiao, Bo and Lardner, Timothy and Gachagan, Anthony; Chimenti, Dale E. and Bond, Leonard J. and Thompson, Donald O., eds. (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, USA. 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, CZE, 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, GBR, pp. 129-139. ISBN 9781622764372
TK, Arjun Prakash and O'Leary, Richard and Gachagan, Anthony and Ross, Kevin and Clutton, Edward; (2012) Ultrasonic imaging of electrofusion welded polyethylene pipes employed in utilities industry. In: Proceedings of BINDT 2012. British Institute of Non-Destructive Testing, GBR. ISBN 9781622764372
Ho, Kwok Shun and Li, Minghui and O'Leary, Richard and Gachagan, Anthony; Thompson, D.O. and Chimenti, D.E., eds. (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 . AIP Conference Proceedings, USA, 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, DEU, pp. 2400-2403.
Mutasa, Tapiwa and Nordon, Alison and Gachagan, Anthony and O'Leary, Richard; Ohl, Claus-Dieter and Klaseboer, Evert and Ohl, Siew Wan and Gong, Shi Wei and Khoo, B.C., eds. (2012) Evaluation of ultrasonic reactor for material processing. In: Proceedings of the 8th International Symposium on Cavitation. CAV 2012 Organizers & Research Publishing Services, SGP, 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 sonochemistry application. In: 2012 IEEE International Ultrasonics Symposium (IUS) Proceedings. IEEE, DEU, 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, DEU, 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, GBR. ISBN 9781622764372
Promasa, Kornpatsitt and Gachagan, Anthony and Pierce, Stephen; Ohl, Claus-Dieter and Klaseboer, Evert and Ohl, Siew Wan and Gong, Shi Wei and Khoo, B.C., eds. (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, SGP, 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, DEU. ISBN 9781467345613
Ho, Kwok Shun and Hutchins, D.A. and Billson, DR and Li, Minghui and Gachagan, Anthony; Thompson, Donald O. and Chimenti, Dale E., eds. (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, USA, 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, USA, 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, USA, pp. 1470-1473. ISBN 9781457703829
Wang, C. and Gachagan, A. and O'Leary, R.L.; (2011) High intensity focused ultrasound array transducers for sonochemistry applications. In: 2011 IEEE International Ultrasonics Symposium. IEEE, USA, pp. 2329-2333. ISBN 9781457712531
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, USA, 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, USA, pp. 1559-1562. ISBN 9781457712531
Dziewierz, Jerzy and Ramadas, Sivaram Nishal and Gachagan, Anthony and O'Leary, Richard; Thompson, D.O. and Chimenti, D.E., eds. (2010) Hexagonal array structure for 2D NDE applications. In: Review of progress in quantitative nondestructive evaluation. AIP Conference Proceedings, 29 . American Institute of Physics, USA, pp. 825-830. ISBN 9780735407480
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. In: REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION. American Institute of Physics, USA, p. 1654. ISBN 978-0-7354-0748-0
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, ITA, pp. 2742-2745. ISBN 9781424443895
Barlow, E and Mulholland, Anthony and Nordon, Alison and Gachagan, Anthony; Garreton, L.G., ed. (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, GBR. ISBN 9780903132532
MacKersie, John and Harvey, Gerald and Gachagan, Anthony; Thompson, D.O. and Chimenti, D.E., eds. (2009) Development of an efficient conformable array structure. In: Review of Progess in Quantitative Nondestructive Evaluation. AIP Conference Proceedings . American Institute of Physics, Chicago, 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
Gachagan, A. and Mulholland, A. J. and Hayward, G. and Tramontana, M. and Nordon, A. and Carson, G.; (2007) P1H-2 particle sizing in the process industry using Hertz-Zener impact theory and acoustic emission spectra. In: IEEE Ultrasonics Symposium, 2006. IEEE, CAN, pp. 1406-1409. ISBN 1424402018
McLean, NI and McKenna, James Paul and Gachagan, Anthony and McArthur, S. D. J. and Hayward, Gordon; Thompson, D.O. and Chimenti, D.E., eds. (2007) The design of a multi-agent nde inspection qualification system. In: Review of Progress in Quantitative Nondestructive Evaluation. AIP Conference Proceedings, 26A . AIP Conference Proceedings, USA, pp. 1699-1706. ISBN 9780735403994
Harvey, G. and Gachagan, A. and McNab, A.; Yuhas, M.P., ed. (2005) The application of finite element analysis in the design of high intensity ultrasonic systems. In: Proceedings of the 2005 IEEE Ultrasonics Symposium. IEEE, NLD, 430 - 433. ISBN 0-7803-9382-1
Hailu, B. and Hayward, Gordon and Gachagan, Anthony and McNab, Alistair and Farlow, Roger; Schneider, S.C. and Levy, M. and McAvoy, B.R., eds. (2000) Comparison of different piezoelectric materials for the design of embedded transducers for structural health monitoring applications. In: 2000 IEEE Ultrasonics Symposium Proceedings. IEEE, PRI, pp. 1009-1012. ISBN 0780363655
Gachagan, Anthony and Reynolds, P. and Hayward, Gordon and Monkhouse, R and Cawley, P; Schneider, S.C. and Levy, M. and McAvoy, B.R., eds. (1997) Piezoelectric materials for application in low profile interdigital transducer designs. In: 1997 IEEE Ultrasonics Symposium Proceedings. IEEE, CAN, 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; Regelbrugge, ME, ed. (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, USA, 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, GBR, 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, GBR, pp. 803-806. ISBN 0780329406
Wright, WMD and Hutchins, D.A. and Gachagan, Anthony and Hayward, Gordon; Thompson, Donald O. and Chimenti, Dale E., eds. (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, JPN, 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, JPN, pp. 995-998. ISBN 0780320123
Hayward, Gordon and Gachagan, Anthony and Hamilton, R. and Hutchins, D.A. and Wright, WMD; Lizzi, FL, ed. (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
Walker, Joseph and Mills, Brandon and Javadi, Yashar and Sun, Yongle and Taraphdar, Pradeeptta Kumar and Sillars, Fiona and MacLeod, Charles Norman and Gachagan, Anthony and Pierce, Gareth (2024) Interpass peening impact on residual stress in wire-arc additive manufactured Ti 6Al-4V using phased-array ultrasonic testing. In: ASTM International Conference on Advanced Manufacturing 2024, 2024-10-27 - 2024-11-01, Hilton Atlanta.
Germano, Elmergue and Walker, Joseph and Mills, Brandon and Javadi, Yashar and Buffa, Gianluca and MacLeod, Charles Norman and Gachagan, Anthony and Pierce, Gareth and Mineo, Carmelo and Tamimi, Saeed and Mohseni, Ehsan and Lam, Kwok Ho (2024) Enhancing additive friction stir deposition through comprehensive ultrasonic defect detection and process optimisation. In: UK & IRELAND IEEE ULTRASONICS, FERROELECTRICS AND FREQUENCY CONTROL CHAPTER, 2024-05-14 - 2024-05-14, AUDITORIUM C, TECHNOLOGY AND INNOVATION CENTRE, UNIVERSITY 0F STRATHCLYDE, 99 GEORGE ST, GLASGOW.
Germano, Elmergue and Tabatabaeipour, Seyed Morteza and Mohseni, Ehsan and Lines, David and Gachagan, Anthony and Lam, Kwok Ho and Hughes, David and Trodden, Heather (2024) Golay-based total focusing method using a high-frequency, lead-free, flexible ultrasonic array to improve industrial inspections. In: Anglo-French Physical Acoustics Conference 2024, 2024-01-17 - 2024-01-19, Lodge on Loch Lomond Hotel, Loch Lomond, Scotland.
Germano, Elmergue and Tabatabaeipour, Morteza and Mohseni, Ehsan and Gachagan, Anthony and Lam, Koko and Lines, David (2023) Improving industrial inspections combining high-frequency flexible ultrasonic arrays and coded excitation. In: BINDT - 60th Annual British Conference on NDT (NDT 2023), 2023-09-12 - 2023-09-14, Northampton, UK.
Javadi, Yashar and Mills, Brandon and Pourrahimian Leilabadi, Parinaz and Nicolson, Ewan and Lotfian, Saeid and Zimermann, Rastislav and Abad, Farhad and Mehmanparast, Ali and MacLeod, Charles and Pierce, Gareth and Lines, David and Brennan, Feargal and Mehnen, Jorn and Gachagan, Anthony (2023) Phased array ultrasonic testing of offshore wind bolted flange connections. In: 50th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2023-07-24 - 2023-07-27, Sheraton Austin Hotel at the Capitol,.
Mills, Brandon and Javadi, Yashar and Lotfian, Saeid and MacLeod, Charles Norman and Lines, David and Pierce, Gareth and Brennan, Feargal and Gachagan, Anthony (2023) A Novel Procedure for the Inspection of Wind Turbine Bolts. In: Wind Energy Science Conference 2023, 2023-05-23 - 2023-05-26, University of Strathclyde.
Mohseni, Ehsan and MacLeod, Charles N. and Pierce, S. Gareth and Vithanage, Randika K. W. and Zimermann, Rastislav and Foster, Euan and Vasilev, Momchil and Loukas, Charalampos and Rizwan, Muhammad Khalid and Lines, David and Pimentel, Misael and Fitzpatrick, Stephen and Halavage, Steven and McKegney, Scott and Gachagan, Anthony and Williams, Stewart and Ding, Jialuo (2023) Automated multi-modal in-process non-destructive evaluation of wire + arc additive manufacturing. In: European Conference on Non-Destructive Testing 2023, 2023-07-03 - 2023-07-07, Lisbon.
Javadi, Yashar and Hutchison, Alistair and Zimermann, Rastislav and Lotfian, Saeid and Mohseni, Ehsan and Wathavana Vithanage, Randika Kosala and MacLeod, Charles Norman and Pierce, Gareth and Gachagan, Anthony and Mehnen, Jorn (2022) Mechanical stress measurement using phased array ultrasonic system. In: 2022 IEEE International Ultrasonics Symposium, 2022-10-10 - 2022-10-13, Venice Convention Center.
Mohseni, Ehsan and Zimermann, Rastislav and Vithanage, Randika K. W. and Foster, Euan and Vasilev, Momchil and Loukas, Charalampos and Rizwan, Muhammad Khalid and MacDonald, Charles and Lines, David and Pimentel, Misael and Fitzpatrick, Stephen and Halavage, Steven and McKegney, Scott and Pierce, Gareth and Gachagan, A. and Williams, Stewart and Ding, Jialuo (2022) Automated multi-modal in-process non-destructive evaluation of wire + arc additive manufacturing. In: 59th Annual British Conference on Non-Destructive Testing 2022, 2022-09-06 - 2022-09-08, The International Centre.
Foster, Euan and MacLeod, Charles Norman and Loukas, Charalampos and Vasilev, Momchil and McKnight, Shaun and McInnes, Martin and Gachagan, Anthony and Bolton, Gary and Bernard, Robert and Mohseni, Ehsan (2022) Autonomous and targeted eddy current inspection from UT feature guided wave screening of resistance seam welds. In: 59th Annual British Conference on Non-Destructive Testing 2022, 2022-09-06 - 2022-09-08, The International Centre.
Rizwan, Muhammad Khalid and Zimermann, Rastislav and Mohseni, Ehsan and Wathavana Vithanage, Randika Kosala and Foster, Euan and Lines, David and MacLeod, Charles Norman and Pierce, Gareth and Gachagan, Anthony (2022) Investigating ultrasound wave propagation through the coupling medium and non-flat surface of wire + arc additive manufactured components inspected by a PAUT roller-probe. In: 59th Annual British Conference on Non-Destructive Testing 2022, 2022-09-06 - 2022-09-08, The International Centre.
Tabatabaeipour, Morteza and McMillan, Ross and Tzaferis, Konstantinos and Jackson, William and Edwards, Rachel S. and Trushkevych, Oksana and Dobie, Gordon and MacLeod, Charles and Gachagan, Anthony (2022) Non-contact ultrasonic-based Bayesian mapping for robotic structural inspection. In: 59th Annual British Conference on Non-Destructive Testing 2022, 2022-09-06 - 2022-09-08, The International Centre.
McMillan, Ross and Tabatabaeipour, Seyed Morteza and Tzaferis, Konstantinos and Jackson, William and Edwards, Rachel S. and Trushkevych, Oksana and Macleod, Charles and Dobie, Gordon and Gachagan, Anthony (2022) Crawler-based automated non-contact ultrasonic inspection of large structural assets. In: 49th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE 2022), 2022-07-25 - 2022-07-27, San Diego, CA.
Foster, Euan and MacLeod, Charles N. and Mohseni, Ehsan and Gachagan, Anthony and Loukas, Charalampos and Vasilev, Momchil and McKnight, Shaun and McInnes, Martin and Lines, David and Gachagan, Anthony and Bolton, Gary and Bernard, Robert (2022) Targeted eddy current inspection based on ultrasonic feature guided wave screening of resistance seam welds. In: 49th Annual Review of Progress in Quantitative Nondestructive Evaluation (QNDE 2022), 2022-07-25 - 2022-07-27, San Diego, CA.
Javadi, Yashar and Hutchison, Alistair and Zimermann, Rastislav and Lines, David and Sweeney, Nina E. and Vasilev, Momchil and Mohseni, Ehsan and Vithanage, Randika K.W. and MacLeod, Charles N. and Pierce, Gareth and Mehnen, Jorn and Gachagan, Anthony (2022) Development of a phased array ultrasonic system for residual stress measurement in welding and additive manufacturing. In: Pressure Vessels & Piping Conference, 2022-07-17 - 2022-07-22.
Tzaferis, Konstantinos and Tabatabaeipour, Morteza and Dobie, Gordon and Pierce, Stephen G. and Lines, David and MacLeod, Charles N. and Gachagan, Anthony (2022) Dual mode inspection using guided waves and phased array ultrasonics from a single transducer. In: 10th European Workshop on Structural Health Monitoring, 2022-07-04 - 2022-07-07.
Javadi, Yashar and Hutchison, Alistair and Singh, Jonathan and Mohseni, Ehsan and Rahimi, Salah and Mehnen, Jorn and MacLeod, Charles Norman and Pierce, Gareth and Tant, Katherine Margaret Mary and Gachagan, Anthony (2022) Feasibility study of residual stress measurement using phased array ultrasonic method. In: 11th International Conference on Residual Stress, 2022-03-27 - 2022-03-30, Centre Prouve.
Nwankpa, Chigozie Enyinna and Ijomah, Winifred and Gachagan, Anthony and Marshall, Stephen (2021) Activation functions : comparison of trends in practice and research for deep learning. In: 2nd International Conference on Computational Sciences and Technology, 2020-12-17 - 2020-12-19, Jamshoro.
Mohseni, Ehsan and Vithanage, Randika and Qiu, Zhen and Javadi, Yashar and Vasilev, Momchil and MacLeod, Charles N. and Lines, David and Zimermann, Rastislav and Pierce, Stephen G. and Gachagan, Anthony and Ding, Jialuo and Williams, Stewart (2020) Laser-assisted surface adaptive ultrasound (SAUL) inspection of samples with complex surface profiles using a phased array roller-probe. In: NDT2020: 59th Annual British Conference on Non-Destructive Testing, 2020-09-15 - 2020-09-17, Park Inn by Radisson Hotel.
Foster, Euan and MacLeod, Charles N. and Gachagan, Anthony and Bolton, Gary and Bernard, Robert (2020) Inspection of nuclear assets with limited access. In: BINDT 2020- 59th Annual conference, 2020-09-15 - 2020-09-18, Online Webinar.
Mohseni, Ehsan and Wathavana Vithanage, Randika Kosala and Qiu, Zhen and MacLeod, Charles Norman and Javadi, Yashar and Lines, David and Zimermann, Rastislav and Pierce, Gareth and Gachagan, Anthony and Ding, Jialuo and Williams, Stewart (2020) A high temperature phased array ultrasonic roller probe designed for dry-coupled in-process inspection of wire + arc additive manufacturing. In: 47th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2020-08-25 - 2020-08-26, Virtual event.
Zimermann, Rastislav and Mohseni, Ehsan and Wathavana Vithanage, Randika Kosala and Lines, David and MacLeod, Charles Norman and Pierce, Gareth and Gachagan, Anthony and Williams, Stewart and Ding, Jialou and Marinelli, Gianrocco (2020) Implementation of an ultrasonic total focusing method for inspection of unmachined wire+arc additive manufacturing components through multiple interfaces. In: 47th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2020-08-25 - 2020-08-26, Virtual event.
Lines, David and Mohseni, Ehsan and Zimermann, Rastislav and Mineo, Carmelo and MacLeod, Charles Norman and Pierce, Gareth and Gachagan, Anthony (2020) Modelling of echo amplitude fidelity for transducer bandwidth and TFM pixel resolution. In: 47th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2020-08-25 - 2020-08-26, Virtual event.
Li, Xiaotong and Gachagan, Anthony and Murray, Paul (2019) Characterization and evaluation of sparse array transducers for small particle detection. In: 2019 IEEE International Ultrasonics Symposium, 2019-10-06 - 2019-10-09, SECC.
Mohseni, Ehsan and Javadi, Yashar and Lines, David and Wathavana Vithanage, Randika Kosala and Foster, Euan and Qiu, Zhen and Zimermann, Rastislav and MacLeod, Charles Norman and Pierce, Stephen and Gachagan, Anthony and Marinelli, Gianrocco and Ding, Jialuo and Williams, Stewart (2019) Ultrasonic phased array inspection of wire plus arc additive manufactured (WAAM) titanium samples. In: 58th Annual British Conference on Non-Destructive Testing, 2019-11-03 - 2019-11-05, Telford, UK.
Trushkevych, Oksana and Dixon, Steven and Tabatabaeipour, Morteza and Dobie, Gordon and Potter, Mark D. G. and MacLeod, Charles and Gachagan, Anthony and Pierce, S. Gareth and Edwards, Rachel S. (2019) Towards guided wave robotic NDT inspection : EMAT size matters. In: 2019 IEEE International Ultrasonics Symposium, 2019-10-06 - 2019-10-09, SECC.
Lines, David and Mohseni, Ehsan and Javadi, Yashar and Mineo, Carmelo and Wathavana Vithanage, Randika Kosala and Qiu, Zhen and MacLeod, Charles Norman and Pierce, Gareth and Gachagan, Anthony (2019) Using coded excitation to maintain signal to noise for FMC+TFM on attenuating materials. In: 2019 IEEE International Ultrasonics Symposium, 2019-10-06 - 2019-10-09, SECC.
Tabatabaeipour, Morteza and Trushkevych, Oksana and Dobie, Gordon and Edwards, Rachel S. and Dixon, Steven and MacLeod, Charles and Gachagan, Anthony and Pierce, S. Gareth (2019) A feasability study on guided wave-based robotic mapping. In: 2019 IEEE International Ultrasonics Symposium, 2019-10-06 - 2019-10-09, SECC.
Lines, David I and Javadi, Yashar and Mohseni, Ehsan and Vasilev, Momchil and MacLeod, Charles N and Vithanage, Randika W and Qiu, Zhen and Zimermann, Rastislav and Loukas, Charalampos and Foster, Euan and Pierce, S Gareth and Gachagan, Anthony (2019) Flexible robotic cell for in-process inspection of multi-pass welds. In: NDT2019, 2019-09-02 - 2019-09-05, The International Centre.
Javadi, Yashar and MacLeod, Charles and Lines, David and Vasilev, Momchil and Mohseni, Ehsan and Foster, Euan and Qiu, Zhen and Vithanage, Randika and Zimermann, Rastislav and Loukas, Charalampos and Pierce, Gareth and Gachagan, Anthony (2019) In-process inspection of multi-pass robotic welding. In: 46th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2019-07-14 - 2019-07-18, Portland.
Mohseni, Ehsan and MacLeod, Charles and Javadi, Yashar and Qiu, Zhen and Vithanage, Randika and Lines, David and Zimermann, Rastislav and Pierce, Gareth and Gachagan, Anthony (2019) A model-based study of transmit-receive longitudinal arrays for inspection of subsurface defects. In: 46th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2019-07-14 - 2019-07-18, Portland.
Nwankpa, Chigozie and Eze, Solomon and Ijomah, Winifred and Gachagan, Anthony and Marshall, Stephen (2019) Deep learning based vision inspection system for remanufacturing application. In: 4th International Conference on Remanufacturing (ICoR), 2019-06-23 - 2019-06-25.
Zacharis, Panagiotis and West, Graeme and Wallace, Christopher and Dobie, Gordon and Gachagan, Anthony (2019) Automated pressure tube defect analysis. In: 2019 Innovation Showcase: Nuclear Asset Management and Industrial Informatics, 2019-05-09 - 2019-05-10.
Wallace, C. and West, G. and Zacharis, P. and Dobie, G. and Gachagan, A. (2019) Experience, testing and future development of an ultrasonic inspection analysis defect decision support tool for CANDU reactors. In: 11th Nuclear Plant Instrumentation, Control and Human-Machine Interface Technologies (NPIC&HMIT) 2019, 2019-02-09 - 2019-02-14.
Zhao, Huan and Gachagan, Anthony and Dobie, Gordon and Wallace, Christopher and West, Graeme (2018) Synthetic aperture focusing technique for correction of poorly-focused ultrasonic pressure tube inspection data. In: 9th European Workshop on Structural Health Monitoring Series (EWSHM), 2018-07-10 - 2018-07-13, Hilton Manchester Deansgate.
Javadi, Yashar and MacLeod, Charles Norman and Pierce, Stephen and Gachagan, Anthony and Kerr, William and Ding, Jialuo and Williams, Stewart and Vasilev, Momchil and Su, Riliang and Mineo, Carmelo and Dziewierz, Jerzy (2018) Ultrasonic phased array inspection of wire plus arc additive manufacture (WAAM) samples using conventional and total focusing method (TFM) imaging approaches. In: 57th The British Institue of Non-destructive Testing Annual Conference, 2018-09-10 - 2018-09-12, East Midlands Conference Centre and Orchard Hotel.
Fang, H. and Qiu, Z. and Mulholland, A. J. and O'Leary, R. L. and Gachagan, A. (2018) Linear ultrasonic array design using cantor set fractal geometry. In: 2018 International Workshop on Acoustic Transduction Materials and Devices, 2018-05-08 - 2018-05-10.
Tofeldt, O and Pierce, SG and Smillie, G and Kerr, William and Flockhart, GMH and Macleod, CN and Blue, R and Gachagan, A and Stratoudaki, T and Andersson, J and McMahon, D (2018) Investigation of fundamental ultrasonic propagation characteristics in NDT of electron beam melting additive manufactured samples. In: 12th European Conference on Non-Destructive Testing, 2018-06-11 - 2018-06-15, http://www.ecndt2018.com/. (In Press)
Zacharis, P. and West, G. M. and Dobie, G. and Lardner, T. and Gachagan, A. (2017) Data-driven analysis of ultrasonic pressure tube inspection data. In: 10th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies, NPIC and HMIT 2017, 2017-06-11 - 2017-06-15, Hyatt Regency.
Lardner, Timothy and West, Graeme and Dobie, Gordon and Gachagan, Anthony (2017) An expert-systems approach to automatically determining flaw depth within CANDU pressure tubes. In: 10th International Topical Meeting on Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technologies, NPIC and HMIT 2017, 2017-06-11 - 2017-06-15, Hyatt Regency.
Dobson, Jeff and Gachagan, Anthony and O'Leary, Richard and Tweedie, Andrew and Harvey, Gerald (2016) Finite element analysis of ultrasonic CFRP laminate inspection. In: 55th Annual British Conference of Non-Destructive Testing, 2016-09-12 - 2016-09-14, East Midlands Conference Centre and Orchard Hotel.
Dziewierz, Jerzy and McGinty, John and Macfhionnghaile, Pol and Svoboda, Vaclav and Sefcik, Jan and Gachagan, Anthony and Nordon, Alison and Marshall, Stephen and Cleary, Alison (2016) Applying hyperspectral imaging to continuous processing of pharmaceuticals. In: Solving problems with spectral imaging, 2016-02-04 - 2016-02-04, London.
Xiao, Bo and O'Leary, Richard and Gachagan, Anthony and Li, Wenqi and Burnett, Timothy (2015) Accurate finite element model of equiaxed-grain engineering material for ultrasonic inspection. In: IEEE 2014 International Ultrasonics Symposium, 2014-09-03 - 2014-09-06, Hilton.
Robertson, Murray and McGlone, Thomas and Johnston, Andrea and Florence, Alastair and Johnston, Blair and Dziewierz, Jerzy and Tachtatzis, Christos and Cleary, Alison and Gachagan, Anthony and Andonovic, Ivan and Sefcik, Jan (2015) Developing a data acquisition, analysis and reporting system for an academic research centre. In: ACM International Conference on Multimedia Retrieval (ICMR), 2015-06-23 - 2015-06-26.
Xiao, Bo and Gongzhang, Rui and Lardner, Timothy and O'Leary, Richard and Gachagan, Anthony (2014) Speckle suppression using adaptive frequency compounding in ultrasound nondestructive evaluation of coarse-grained material. In: Quantitative Nondestructive Evaluation Conference, QNDE 2014, 2014-07-20 - 2014-07-25, Idaho. (Unpublished)
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, Latvia.
Gachagan, Anthony and Xiao, Bo and Gongzhang, Rui and O'Leary, Richard and Li, Minghui (2013) Image de-noising 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.
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. (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, Maryland.
Mackie, Elaine and O'Leary, Richard and Gachagan, Anthony and Walker, Alan (2011) Polymer substrates for the rapid implementation of capacitive ultrasonic transducers. In: International Workshop on Transducers and Transducer Materials, 2011-05-10, Penn State University.
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.
Dziewierz, Jerzy and Gachagan, Anthony and O'Leary, Richard and Hayward, Gordon (2010) A methodology for the design of triangular-cut piezoelectric ceramic composites for application in 2D hexagonal-element ultrasonic arrays for NDE applications. In: International Workshop on Transducers and Transducer Materials, 2010-05-11, Penn State University.
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.
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: 2009 IEEE Ultrasonics Symposium, 2009-09-20 - 2009-09-23.
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.
Dziewierz, Jerzy and Ramadas, Sivaram Nishal and Gachagan, Anthony and O'Leary, Richard and Hayward, Gordon (2009) Hexagonal array structure for 2D NDE applications. In: International Workshop on Transducers and Transducer Materials, 2009-05-12, Penn State University.
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. (Unpublished)
Harvey, G. and Tweedie, Andrew and Holmes, C. and Wilcox, P.D. and O'Leary, Richard and Gachagan, Anthony (2007) Application of total focussing method in immersion ultrasound non-destructive evaluation. In: BINDT Annual Conference NDT 2007, 2007-09-18 - 2007-09-19.
O'Leary, Richard and Harvey, G. and Gachagan, Anthony and Hayward, Gordon (2007) An insight into the behaviour of periodic piezoelectric composite array transducers incorporating contemporary constituent materials. In: British Institute Non-destructive Testing, 2007-09-10, SECC.
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.
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.
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.
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: 1999 IEEE International Ultrasonics Symposium, 1999-10-17 - 1999-10-20, Caesars Tahoe.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Report
Cowley, James and Mulholland, Anthony J. and Stewart, Iain W. and Gachagan, Anthony (2016) Mathematical modelling of the collapse time of an unfolding shelled microbubble. University of Strathclyde, Glasgow.
Cowley, James and Mulholland, Anthony J. and Stewart, Iain W. and Gachagan, Anthony (2015) Dynamical model of an oscillating shelled microbubble. University of Strathclyde, Glasgow.
Monograph
Cunningham, Laura and Mulholland, Anthony J. and Tant, Katherine M. M. and Gachagan, Anthony and Harvey, Gerry and Bird, Colin (2015) A Maximum Eigenvalue Approximation for Crack-Sizing Using Ultrasonic Arrays. Preprint / Working Paper. University of Strathclyde, Glasgow. (Unpublished)