Anthony Gachagan

Anthony Gachagan, Katherine M M Tant, Anthony J Mulholland, 2015, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.

A Model-Based Study of Transmit-Receive Longitudinal Arrays for Inspection of Subsurface Defects

Gareth Pierce, Anthony Gachagan, David Lines, 2019 .

Integrating flaw-response modelling tools used for inspection qualification into a Multi-Agent System software platform

Anthony Gachagan, Stephen McArthur, N. I. McLean, 2008 .

PIEZOELECTRIC MATERUM FOR APPLICATTON IN LOW PROFILE mRDIGITAL TRANSDUCER DESIGNS

Anthony Gachagan, Gordon Hayward, P. Reynolds, 1997 .

Monitoring crack propagation in turbine blades caused by thermosonic inspection

Gareth Pierce, Anthony Gachagan, Gabriel Nnamdi Bolu, 2010 .

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Anthony Gachagan, Jerzy Dziewierz, Timothy Lardner, 2013, 2013 IEEE International Ultrasonics Symposium (IUS).

The detection of flaws in austenitic welds using the decomposition of the time-reversal operator

Anthony Gachagan, Colin Bird, Katherine M M Tant, 2016, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences.

The design of a multi-agent nde inspection qualification system

Anthony Gachagan, Stephen McArthur, Gordon Hayward, 2007 .

Integrating flaw-response modelling tools for inspection qualification into a multi-agent system

Anthony Gachagan, Stephen McArthur, Gordon Hayward, 2007 .

Inspection design using 2D phased array, TFM and cueMAP software

Anthony Gachagan, Jerzy Dziewierz, Timothy Lardner, 2014 .

Application of conformal map theory for design of 2-D ultrasonic array structure for ndt imaging application: a feasibility study

Anthony Gachagan, Jerzy Dziewierz, Joseph Jackson, 2014, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control.

Design and evaluation of multi-frequency reactor vessel

Richard O'Leary, Anthony Gachagan, Alison Nordon, 2011 .

Application of total focussing method in immersion ultrasound non-destructive evaluation

Paul D. Wilcox, Richard O'Leary, Andrew Tweedie, 2007 .

A non-invasive optical technique to map acoustic cavitation activity

Stephen Pierce, Anthony Gachagan, Kornpatsitt Promasa, 2012, CAV 2012.

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

Anthony Gachagan, Anthony J. Mulholland, Katherine M. M. Tant, 2016, 2016 IEEE International Ultrasonics Symposium (IUS).

Automatic ultrasonic robotic array

Gordon Dobie, Rahul Summan, Charles MacLeod, 2013, 2013 IEEE International Ultrasonics Symposium (IUS).

Accurate finite element model of equiaxed-grain engineering material for ultrasonic inspection

Anthony Gachagan, Wenqi Li, Bo Xiao, 2014, 2014 IEEE International Ultrasonics Symposium.

The application of finite element analysis to investigate the vibrational response of a turbine blade under thermosonic excitation

Tim Barden, Stephen Pierce, Anthony Gachagan, 2013 .

Modelling of Echo Amplitude Fidelity for Transducer Bandwidth and Tfm Pixel Resolution

Carmelo Mineo, Charles MacLeod, Gareth Pierce, 2020 .

Automated sizing and classification of defects in CANDU pressure tubes

Gordon Dobie, Anthony Gachagan, Graeme West, 2017 .

Investigations into the Vibrational Response of an Aero-Engine Turbine Blade under Thermosonic Excitation

Tim Barden, Gareth Pierce, Anthony Gachagan, 2012 .

Comparison of the performance of pmn-pt single-crystal and ceramic composite arrays for NDE applications

Anthony Gachagan, Gordon Hayward, V. Murray, 2006 .

A PROTOTYPE DEMONSTRATOR FOR AN INSPECTION QUALIFICATION MULTI‐AGENT SYSTEM (IQMAS)

Anthony Gachagan, Stephen McArthur, Gordon Hayward, 2008 .

Development of a manual air-coupled ultrasonic inspection instrument for use on aeronautical structures under in-service conditions

Anthony Gachagan, Gordon Hayward, Robert Banks, 2002 .

Features in geometric receiver shapes modelling bat-like directivity patterns

Gareth Pierce, Francesco Guarato, Anthony Gachagan, 2015, Bioinspiration & biomimetics.

Using phase information to enhance speckle noise reduction in the ultrasonic NDE of coarse grain materials

Minghui Li, Anthony Gachagan, Timothy Lardner, 2014 .

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

Gordon Dobie, Anthony Gachagan, Jeff Dobson, 2016 .

System modeling and device development for passive acoustic monitoring of a particulate-liquid process

Richard O'Leary, Anthony Gachagan, Alison Nordon, 2015 .

Robust frequency diversity based algorithm for clutter noise reduction of ultrasonic signals using multiple sub-spectrum phase coherence

Minghui Li, Anthony Gachagan, Bo Xiao, 2014 .

Ultrasonic Array Imaging Through Reverberating Layers for Industrial Process Analysis

Anthony Gachagan, Alison Nordon, Anthony J. Mulholland, 2018, 2018 IEEE International Ultrasonics Symposium (IUS).

Numerical optimisation of piezocomposite material properties using 3D finite - element modeling

Richard O'Leary, Anthony Gachagan, Jerzy Dziewierz, 2009 .

A multi agent system for inspection qualification

Anthony Gachagan, Stephen McArthur, Gordon Hayward, 2006 .

Advanced defect detection algorithm using clustering in ultrasonic NDE

Anthony Gachagan, Rui Gongzhang, 2016 .

Ultrasonic condition monitoring of composite structures using a low-profile acoustic source and an embedded optical fiber sensor

Brian Culshaw, Anthony Gachagan, Alistair McNab, 1997, Smart Structures.

Inspection of complex components using 2D arrays and TFM

Anthony Gachagan, Colin Bird, Jerzy Dziewierz, 2015 .

Ultrasonic Phased Array Inspection of Wire + Arc Additive Manufacture Samples Using Conventional and Total Focusing Method Imaging Approaches

Stephen Pierce, Carmelo Mineo, Charles Norman MacLeod, 2019, Insight - Non-Destructive Testing and Condition Monitoring.

In-situ ultrasonic imaging of dynamic process streams: system calibration and image processing

Carmelo Mineo, Anthony Gachagan, Alison Nordon, 2017 .

Monitoring Crack Propagation in Turbine Blades Caused by Thermosonics

Gareth Pierce, Anthony Gachagan, Gabriel Nnamdi Bolu, 2010 .

2D ultrasonic array transducer design to maximise coverage in composite material structures

Anthony Gachagan, Jerzy Dziewierz, 2013 .

Reliable thermosonic inspection of aero engine turbine blades

Stephen Pierce, Anthony Gachagan, Gabriel Nnamdi Bolu, 2010 .

Review of high-power ultrasound-industrial applications and measurement methods

Anthony Gachagan, Tapiwa Mutasa, Gerald Harvey, 2014, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control.

A Maximum Eigenvalue Approximation for Crack-Sizing Using Ultrasonic Arrays

Anthony Gachagan, Colin Bird, G. Harvey, 2015 .

A comparison of methods used to predict the vibrational energy required for a reliable thermosonic inspection

Stephen Pierce, Anthony Gachagan, Gabriel Nnamdi Bolu, 2010, NDT 2010.

Using Coded Excitation to maintain Signal to Noise for FMC+TFM on Attenuating Materials

Carmelo Mineo, Charles MacLeod, Gareth Pierce, 2019, 2019 IEEE International Ultrasonics Symposium (IUS).

Remote Ultrasonic Imaging of a Wire Arc Additive Manufactured Ti-6AI-4V Component using Laser Induced Phased Array

Anthony Gachagan, Charles N. MacLeod, Stewart Williams, 2021, 2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC).

A Phased Array Ultrasound Roller Probe for Automated in-Process/Interpass Inspection of Multipass Welds

Charles MacLeod, Gareth Pierce, Anthony Gachagan, 2020, IEEE Transactions on Industrial Electronics.

A Novel Complete-Surface-Finding Algorithm for Online Surface Scanning with Limited View Sensors

Stephen Gareth Pierce, Anthony Gachagan, Mark Sutcliffe, 2021, Sensors.

Design for automated inspection in remanufacturing: a discrete event simulation for process improvement

Anthony Gachagan, Winifred Ijomah, Chigozie Nwankpa, 2021 .

Sensor-Enabled Multi-Robot System for Automated Welding and In-Process Ultrasonic NDE

Stephen Gareth Pierce, Anthony Gachagan, David Lines, 2021, Sensors.

Application of frequency compounding to ultrasonic signals for the NDE of concrete

Richard O'Leary, Anthony Gachagan, Minghui Li, 2012 .

Ultrasonic phased array inspection of wire plus arc additive manufactured (WAAM) titanium samples

Charles Norman MacLeod, Stephen Pierce, Anthony Gachagan, 2019 .

A beam based method for target localization: inspiration from bats' directivity and binaural reception for ultrasonic sonar.

Francesco Guarato, Anthony Gachagan, A. Gachagan, 2013, The Journal of the Acoustical Society of America.

Minimisation of mechanical cross talk in periodic piezoelectric composite arrays

Anthony Gachagan, Gordon Hayward, D. Robertson, 2004 .

Wideband characterisation of air coupled transducers

Anthony Gachagan, Gordon Hayward, W. Galbraith, 1994, 1994 Proceedings of IEEE Ultrasonics Symposium.

A theoretical investigation of chirp insonification of ultrasound contrast agents.

Anthony Gachagan, Alison Nordon, Euan Barlow, 2011, Ultrasonics.

Robust defect detection in ultrasonic nondestructive evaluation (NDE) of difficult materials

Anthony Gachagan, Minghui Li, Rui Gongzhang, 2012, 2012 IEEE International Ultrasonics Symposium.

An evaluation of 1-3 connectivity composite transducers for air-coupled ultrasonic applications

Anthony Gachagan, Gordon Hayward, 1996 .

Particle sizing using passive ultrasonic measurement of particle wall impact vibrations

Anthony Gachagan, Gordon Hayward, Alison Nordon, 2008 .

A new speckle noise suppression technique using cross-correlation of array sub-apertures in ultrasonic NDE of coarse grain materials

Anthony Gachagan, Minghui Li, Rui Gongzhang, 2013 .

Piezoelectric materials for application in low profile interdigital transducer designs

Peter Cawley, Anthony Gachagan, Gordon Hayward, 1997, 1997 IEEE Ultrasonics Symposium Proceedings. An International Symposium (Cat. No.97CH36118).

A finite element modelling approach into the influence of mechanical matching and damping in 1-3 piezocomposites

Anthony Gachagan, Gordon Hayward, J. T. Bennett, 1994, 1994 Proceedings of IEEE Ultrasonics Symposium.

Development of an efficient conformable array structure

Anthony Gachagan, G. Harvey, J. W. Mackersie, 2009 .

A model-based approach to crack sizing with ultrasonic arrays

Anthony Gachagan, Anthony J. Mulholland, Katherine M. M. Tant, 2015, IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control.

Research applications and opportunities in power ultrasonics

Margaret Lucas, Anthony Gachagan, Andrea Cardoni, 2009 .

Application of the factorisation method to limited aperture ultrasonic phased array data

Anthony Gachagan, Anthony J. Mulholland, Katherine M. M. Tant, 2017 .

Ultrasonic imaging of electrofusion welded polythene pipes employed in utilities industry

Richard O'Leary, Anthony Gachagan, Arjun Prakash Thattaliyath Kadumberi, 2012 .

Surface-bonded optical fibre sensors for the inspection of CFRP plates using ultrasonic Lamb waves

Brian Culshaw, Stephen Pierce, Anthony Gachagan, 1996 .

Development of a 1-D Linear Phased Ultrasonic Array for Intravascular Sonoporation

Anthony Gachagan, David Lines, Sandy Cochran, 2019, 2019 IEEE International Ultrasonics Symposium (IUS).

Embedded ultrasonic sensors for monitoring structural integrity

Anthony Gachagan, Demessie Girma, Alistair McNab, 2000 .

Continuous monitoring of an intentionally-manufactured crack using an automated welding and in-process inspection system

Carmelo Mineo, Charles MacLeod, Stephen Pierce, 2020 .

Polymer composite material characterisation using a laser/air-transducer system

David A. Hutchins, Anthony Gachagan, Gordon Hayward, 1996 .

An investigation of acoustic beam patterns for the sonar localization problem using a beam based method.

Francesco Guarato, Anthony Gachagan, Gerald Harvey, 2013, The Journal of the Acoustical Society of America.

Investigating the effect of residual stress on hydrogen cracking in multi-pass robotic welding through process compatible non-destructive testing

Carmelo Mineo, Charles MacLeod, Stephen Pierce, 2020, Journal of Manufacturing Processes.

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

Carmelo Mineo, Charles Norman MacLeod, Stephen Pierce, 2019 .