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Accepting PhD Students

1995 …2021
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Research Output 1995 2019

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Conference contribution book
2018
2 Citations (Scopus)

Using laboratory experiments to develop and test new Marchenko and imaging methods

da Costa Filho, C. A., Tant, K., Curtis, A., Mulholland, A. & Moran, C. M., 17 Oct 2018, SEG Technical Program: Expanded Abstracts. Tulsa, OK., p. 4352-4356 5 p.

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

Open Access
File
imaging method
critical experiments
heuristic methods
scaling
estimates
2017

Linear ultrasonic array incorporating a Cantor Set fractal element configuration

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

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

Open Access
File
Fractals
Transducers
Piezoelectric transducers
Ultrasonics
Bandwidth
2016
2 Citations (Scopus)

Finite element analysis simulations for ultrasonic array NDE inspections

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

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

Open Access
File
Inspection
Ultrasonics
Finite element method
Welds
Defects
4 Citations (Scopus)

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

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

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

Open Access
File
Fractals
Transducers
Bandwidth
Geometry
Composite materials
2 Citations (Scopus)

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

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

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

Open Access
File
Ultrasonics
Defects
Microstructure
Crystal microstructure
Markov processes
2015

An analytical approach to objectively sizing cracks using ultrasonic phased array data

Tant, K. M. M., Mulholland, A. J. & Gachagan, A., 8 Sep 2015, 54th Annual British Conference of Non-Destructive Testing, NDT 2015. Northampton, p. 282-291 10 p.

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

Open Access
File
Ultrasonics
Cracks
Defects
Scattering
Born approximation
2012
5 Citations (Scopus)

An application-specific design approach for 2D ultrasonic arrays

Dziewierz, J., Gachagan, A., Lord, N. & Mulholland, A., 2012, 51st Annual Conference of the British Institute of Non-Destructive Testing 2012 (NDT 2012): Proceedings of a meeting held 11-13 September 2012, Northamptonshire, UK. Northampton, 8 p.

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

Open Access
File
Ultrasonics
Design

Ultrasonic wave propagation in heterogenous media

Cunningham, L., Mulholland, A., Harvey, G. & Bird, C., 2012, Proceedings of Acoustics 2012 Nantes Conference, France . p. 1457-1462 6 p.

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

File
Ultrasonic propagation
Defects
Welds
Ultrasonics
Nuclear industry
2011
6 Citations (Scopus)

The use of fractal geometry in the design of piezoelectric ultrasonic transducers

Mulholland, A., MacKersie, J., O'Leary, R., Gachagan, A., Walker, A. & Ramadas, S. N., 2011, 2011 IEEE International Ultrasonics Symposium (IUS) . Piscataway, NJ, United States: IEEE, p. 1559-1562 4 p.

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

fractals
transducers
ultrasonics
geometry
bandwidth
2010

Ultrasonic wave propagation in heterogeneous media

Mulholland, A. J., 30 Sep 2010, Proceedings of ICNAAM 2010: International Conference of Numerical Analysis and Applied Mathematics 2010. Vol. 1281. p. 1745-1748 4 p.

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

ultrasonic radiation
wave propagation
sensitivity
composite structures
electrical impedance
2009

Tapered transmission line technique based graded matching layers for thickness mode piezoelectric transducers

Ramadas, S. N., O'Leary, R., Mulholland, A., Hayward, G., Mackintosh, A., Troge, A. & Pethrick, R., 22 Sep 2009, 2009 IEEE International Ultrasonics Symposium. Piscataway: IEEE, p. 1695-1698 4 p.

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

File
piezoelectric transducers
transmission lines
impedance
bandwidth
acoustic impedance
2006
6 Citations (Scopus)

P1H-2 particle sizing in the process industry using Hertz-Zener impact theory and acoustic emission spectra

Carson, G., Mulholland, A. J., Tramontana, M., Nordon, A. & Hayward, G., 2006, IEEE Ultrasonics Symposium, 2006. . IEEE, p. 1406-1409 3 p.

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

sizing
acoustic emission
emission spectra
industries
reactors
2001

Thermal properties of heat exchanger fouling

Mulholland, A. & Gomatam, J., 25 Jun 2001, Unione Italiana di Termofluidodinamica: Proceedings XIX Congresso Nazionale Sulla Trasmissione del Calore. p. 149-154 6 p.

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

File
Fouling
Fractals
Heat exchangers
Thermodynamic properties
Microstructure