Carl Howard

Research Interests

Acoustics Acoustics and Acoustical Devices Acoustics and Noise Control Aerospace Engineering Biomechanics Computational Fluid Dynamics Computer Gaming and Animation Control Systems Distributed Computing Dynamical Systems in Applications Dynamics, Vibration and Vibration Control Education Marine Engineering Mechanical Engineering Nanomaterials Orthopaedics Signal Processing Virtual Reality and Related Simulation Wastewater Treatment Processes

Prof Carl Howard

Professor

School of Electrical and Mechanical Engineering

College of Engineering and Information Technology

Eligible to supervise Masters and PhD - email supervisor to discuss availability.

Lecturer, researcher and consultant in acoustics, ultrasound, thermoacoustics, condition monitoring, finite element analysis, boundary element analysis, statistical energy analysis, modal analysis.

Research Projects

(last updated June 2023)

  • Active noise control
  • Adaptive passive noise control
  • Engine exhaust noise control
  • Acoustics and vibrations in fluid-filled pipes, hoses, valves, flow control devices
  • Vibration condition monitoring
  • Noise radiation and control from exhaust stacks - CFD and FEA simulations and experimental testing
  • Development of a condition monitoring system for shock absorbers
  • Acoustic and vibration meta-materials
  • Ultrasound to control blue-green algae (cyanobacteria microcystis)
  • Microphone arrays

Date Position Institution name
2018 - ongoing Professor The University of Adelaide
2015 - 2017 Associate Professor The University of Adelaide
2006 - 2014 Lecturer The University of Adelaide
2003 - 2006 Post-Doctoral Researcher The University of Adelaide
2001 - 2003 Research Engineer United Technologies Research Center
2000 - 2001 Senior Consultant Colin Gordon and Associates
1999 - 1999 Senior FEA Consultant Worley
1994 - 1995 Part time consultant Bassett
1992 - 1994 Project Engineer Vipac Engineers and Scientists

Date Type Title Institution Name Country Amount
2019 Distinction Fellow of the Australian Acoustical Society Australian Acoustical Society Australia -
2018 Award Australian Acoustical Society Best Paper Prize Australian Acoustical Society Australia -
2018 Award Institution of Mechanical Engineers 2018 Photographer of the Year Institution of Mechanical Engineers United Kingdom -
2015 Award Australian Acoustical Society Best Paper Prize Australian Acoustical Society Australia -

Date Institution name Country Title
The University of Adelaide Australia PhD
The University of Adelaide Australia BE(Hons) Mechanical

Date Title Institution name Country
— Commercial Pilot License Aeroplane Civil Aviation Safety Authority Australia
— Remote Pilot License Civil Aviation Safety Authority Australia

Year Citation
2023 Leav, O., Cazzolato, B., Howard, C., & Mabrouk, B. (2023). Steady-state sound propagation through hot exhaust jets in cooler cross-flow: A computational study. The Journal of the Acoustical Society of America, 154(1), 217-231.
DOI Scopus1
2021 Larizza, F., Howard, C. Q., Grainger, S., & Wang, W. (2021). A nonlinear dynamic vibration model of a defective bearing: the importance of modelling the angle of the leading and trailing edges of a defect. Structural Health Monitoring, 20(5), 2604-2625.
DOI Scopus14 WoS14
2021 Lyons, R., & Howard, C. (2021). Improvements to the Sliding Discrete Fourier Transform Algorithm. IEEE: Signal Processing Magazine, 38(4), 119-127.
DOI Scopus26 WoS18
2021 Leav, O., Cazzolato, B., & Howard, C. (2021). Sound propagation through elevated, heated jets in cooler cross-flow: An experimental study. Journal of the Acoustical Society of America, 150(1), 82-93.
DOI Scopus6 WoS2 Europe PMC1
2020 Larizza, F., Howard, C. Q., & Grainger, S. (2020). Defect size estimation in rolling element bearings with angled leading and trailing edges. Structural Health Monitoring, 20(3), 1102-1116.
DOI Scopus17 WoS17
2020 Farajpour, A., Howard, C. Q., & Robertson, W. S. P. (2020). On size-dependent mechanics of nanoplates. International Journal of Engineering Science, 156, 103368-1-103368-19.
DOI Scopus58 WoS54
2018 Larizza, F., Moazen Ahmadi, A., Howard, C. Q., & Grainger, S. (2018). The importance of bearing stiffness and load when estimating the size of a defect in a rolling element bearing. Structural Health Monitoring, 18(5-6), 1527-1542.
DOI Scopus12 WoS11
2018 Ayub, M., Zander, A. C., Huang, D. M., Howard, C. Q., & Cazzolato, B. S. (2018). Molecular dynamics simulations of acoustic absorption by a carbon nanotube. Physics of Fluids, 30(6), 066101-1-066101-15.
DOI Scopus18 WoS16
2018 Singh, S., Howard, C., Hansen, C., & Kopke, U. (2018). Analytical validation of an explicit finite element model of a rolling element bearing with a localised line spall. Journal of Sound and Vibration, 416, 94-110.
DOI Scopus58 WoS43
2018 Ayub, M., Zander, A. C., Huang, D. M., Cazzolato, B. S., & Howard, C. Q. (2018). Molecular dynamics simulation of classical sound absorption in a monatomic gas. Journal of Sound and Vibration, 421, 319-333.
DOI Scopus7 WoS6
2017 Ayub, M., Zander, A., Howard, C., Cazzolato, B., Huang, D., Shanov, V., & Alvarez, N. (2017). Normal incidence acoustic absorption characteristics of a carbon nanotube forest. Applied Acoustics, 127, 223-239.
DOI Scopus28 WoS25
2017 Ayub, M., Zander, A. C., Huang, D. M., Howard, C. Q., & Cazzolato, B. S. (2017). Molecular dynamics simulations of sound field characteristics of wave propagation in a monatomic gas. Physics of Fluids.
2016 Moazen Ahmadi, A., Howard, C., & Petersen, D. (2016). The path of rolling elements in defective bearings: Observations, analysis and methods to estimate spall size. Journal of Sound and Vibration, 366, 277-292.
DOI Scopus87 WoS76
2016 Moazen-ahmadi, A., & Howard, C. (2016). A defect size estimation method based on operational speed and path of rolling elements in defective bearings. Journal of Sound and Vibration, 385, 138-148.
DOI Scopus52 WoS44
2015 Ayub, M., Zander, A., Howard, C., Huang, D., & Cazzolato, B. (2015). Molecular dynamics simulations of sound wave propagation in a gas and thermo-acoustic effects on a carbon nanotube. Journal of Computational Acoustics, 23(4), 1540012-1-1540012-18.
DOI Scopus6 WoS5
2015 Petersen, D., Howard, C., Sawalhi, N., Moazen Ahmadi, A., & Singh, S. (2015). Analysis of bearing stiffness variations, contact forces and vibrations in radially loaded double row rolling element bearings with raceway defects. Mechanical Systems and Signal Processing, 50-51, 139-160.
DOI Scopus229 WoS181
2015 Moazen Ahmadi, A., Petersen, D., & Howard, C. (2015). A nonlinear dynamic vibration model of defective bearings - the importance of modelling the finite size of rolling elements. Mechanical Systems and Signal Processing, 52-53(1), 309-326.
DOI Scopus205 WoS175
2015 Petersen, D., Howard, C., & Prime, Z. (2015). Varying stiffness and load distributions in defective ball bearings: analytical formulation and application to defect size estimation. Journal of Sound and Vibration, 337, 284-300.
DOI Scopus131 WoS108
2015 Singh, S., Howard, C., & Hansen, C. (2015). An extensive review of vibration modelling of rolling element bearings with localised and extended defects. Journal of Sound and Vibration, 357, 300-330.
DOI Scopus144 WoS114
2014 Howard, C. (2014). Educators in Acoustics. ACOUSTICS AUSTRALIA, 42(1), 59-60.
2014 Singh, S., Koepke, U., Howard, C., & Petersen, D. (2014). Analyses of contact forces and vibration response for a defective rolling element bearing using an explicit dynamics finite element model. Journal of Sound and Vibration, 333(21), 5356-5377.
DOI Scopus223 WoS181
2014 Rodriguez Molares, A., Howard, C., & Zander, A. (2014). Determination of biomass concentration by measurement of ultrasonic attenuation. Applied Acoustics, 81, 26-30.
DOI Scopus14 WoS13
2014 Howard, C., & Craig, R. (2014). An adaptive quarter-wave tube that uses the sliding-Goertzel algorithm for estimation of phase. Applied Acoustics, 78, 92-97.
DOI Scopus14 WoS10
2014 Howard, C., & Craig, R. (2014). Noise reduction using a quarter wave tube with different orifice geometries. Applied Acoustics, 76, 180-186.
DOI Scopus35 WoS23
2014 Rodriguez-Molares, A., Dickson, S., Hobson, P., Howard, C., Zander, A., & Burch, M. (2014). Quantification of the ultrasound induced sedimentation of Microcystis aeruginosa. Ultrasonics Sonochemistry, 21(4), 1299-1304.
DOI Scopus51 WoS43 Europe PMC18
2013 Sandow, M., Fisher, T., Howard, C., & Papas, S. (2013). Unifying model of carpal mechanics based on computatinally derived isometric constraints and rules-based motion - the stable central column theory. Hand Surgery, 39(4), 353-363.
DOI Scopus40 WoS37 Europe PMC25
2013 Howard, C. (2013). The corrected expressions for the four-pole transmission matrix for a duct with a linear temperature gradient and an exponential temperature profile. Open Journal of Acoustics, 3(3), 62-66.
DOI
2012 Howard, C. (2012). A sliding Goertzel algorithm for adaptive passive neutralizers. Journal of Sound and Vibration, 331(9), 1985-1993.
DOI Scopus9 WoS7
2011 Howard, C., Maddern, A., & Privopoulos, E. (2011). Acoustic characteristics for effective ambulance sirens. Acoustics Australia, 39(2), 43-53.
Scopus22 WoS9
2009 Zoontjens, L., Howard, C., Zander, A., & Cazzolato, B. (2009). Numerical study of flow and energy fields in thermoacoustic couples of non-zero thickness. International Journal of Thermal Sciences, 48(4), 733-746.
DOI Scopus38 WoS34
2008 Zoontjens, L., Howard, C., Zander, A., & Cazzolato, B. (2008). Numerical comparison of thermoacoustic couples with modified stack plate edges. International Journal of Heat and Mass Transfer, 51(19-20), 4829-4840.
DOI Scopus18 WoS17
2008 Howard, C., & Hansen, C. (2008). Development of a transducer for active vibration isolation using translational and rotational power transmission as a cost function. Journal of Intelligent Material Systems and Structures, 19(10), 1229-1241.
DOI Scopus4 WoS3
2008 Howard, C. (2008). Transmission loss of a panel with an array of tuned vibration absorbers. Acoustics Australia, 36(3), 98-103.
Scopus9 WoS6
2007 Howard, C. (2007). Modal mass of clamped beams and clamped plates. Journal of Sound and Vibration, 301(1-2), 410-414.
DOI Scopus13 WoS9
2006 Howard, C., & Hansen, C. (2006). Active vibration isolation experiments using translational and rotational power transmission as a cost function. Journal of the Acoustical Society of America, 120(4), 2004-2016.
DOI Scopus7 WoS6
2005 Howard, C., Morgans, R., Hansen, C., & Zander, A. (2005). A tool for the optimisation of vibro-acoustic systems using a parallel genetic algorithm and a distributed computing network. Noise Control Engineering Journal, 53(6), 256-267.
DOI Scopus4 WoS3
2005 Howard, C., Hansen, C., & Zander, A. (2005). A review of current airborne ultrasound exposure limits. Journal of Occupational Health and Safety, 21(3), 253-257.
Scopus44
2005 Howard, C. (2005). An inexpensive DIY impact hammer for vibration analysis of buildings. Acoustics Australia, 33(1), 13-18.
Scopus4
2005 Howard, C., Hansen, C., & Zander, A. (2005). Vibro-acoustic noise control treatments for payload bays of launch vehicles: Discrete to fuzzy solutions. Applied Acoustics, 66(11), 1235-1261.
DOI Scopus32 WoS24
2005 Cazzolato, B., Petersen, C., Howard, C., & Zander, A. (2005). Active control of energy density in a one-dimensional waveguide: a cautionary note. Journal of the Acoustical Society of America, 117(6), 3377-3380.
DOI Scopus9 WoS3 Europe PMC1
2003 Howard, C., & Hansen, C. (2003). Vibration analysis of waffle floors. Computers & Structures, 81(1), 15-26.
DOI Scopus20 WoS14
2000 Howard, C., Snyder, S., & Hansen, C. (2000). Calculation of vibratory power transmission for use in active vibration control. Journal of Sound and Vibration, 233(4), 573-585.
DOI Scopus28 WoS22
2000 Howard, C., Cazzolato, B., & Hansen, C. (2000). Exhaust stack silencer design using finite element analysis. Noise Control Engineering Journal, 48(4), 113-120.
DOI Scopus29 WoS23
2000 Howard, C. Q., & Hansen, C. H. (2000). Erratum: “Power transmission from a vibrating body to a circular cylindrical shell through passive and active isolators” [J. Acoust. Soc. Am. 101, 1479–1491 (1997)]. Journal of the Acoustical Society of America, 108(5), 2443-2444.
DOI
1999 Howard, C., & Hansen, C. (1999). Finite Element Analysis of Active Vibration Isolation Using Vibrational Power as a Cost Function. International Journal of Acoustics and Vibration, 4(1), 23-36.
1997 Howard, C., & Hansen, C. (1997). Active Isolation of a Vibrating Mass. Acoustics Australia, 25(2), 65-67.
Scopus1
1997 Howard, C., Hansen, C., & Pan, J. (1997). Power transmission from a vibrating body to a circular cylindrical shell through passive and active isolators. Journal of the Acoustical Society of America, 101(3), 1479-1491.
DOI Scopus41 WoS22

Year Citation
2023 Bies, D. A., Hansen, C. H., Howard, C. Q., & Hansen, K. L. (2023). Engineering Noise Control: Sixth Edition (6th ed.). CRC Press.
DOI Scopus22
2017 Bies, D., Hansen, C., & Howard, C. (2017). Engineering Noise Control (5th ed.). Boca Raton, Florida, USA: CRC Press.
2015 Howard, C. Q., & Cazzolato, B. S. (2015). Acoustic Analyses Using Matlab® and Ansys® (1 ed.). United States: Taylor & Francis.
2014 Howard, C. Q., & Cazzolato, B. S. (2014). Acoustic Analyses Using: MATLAB® and ANSYS®. CRC Press.
DOI Scopus46

Year Citation
2025 Howard, C. (2025). n:m Coherence for determining the causality of a transfer function with a non-linear frequency relationship. In Proceedings of the Annual Conference of the Australian Acoustical Society. Joondalup, Western Australia, Australia: Australian Acoustical Society, WA Division.
2024 Cazzolato, B., Leav, O., & Howard, C. (2024). Open-cycle gas turbines: Predicting and controlling far-field noise. In Proceedings of Acoustics 2024: Acoustics in the Sun. Gold Coast Queensland: Australian Acoustical Society.
2023 O’Callaghan-Reay, H., Howard, C. Q., Craig, R., Hunter, M., Moore, S., Forrest, J., & Leav, O. (2023). Acoustic transmission loss of a fluid-filled rubber hose. In Proceedings of Meetings on Acoustics, 2023 Vol. 52 (pp. 065005-1-065005-13). Online: Acoustical Society of America.
DOI
2023 Cazzolato, B., Leav, O., & Howard, C. (2023). ENVIRONMENTAL NOISE FROM OPEN-CYCLE GAS TURBINES. In Proceedings of the International Congress on Sound and Vibration. Online: Society of Acoustics.
2022 Cazzolato, B., Leav, O., & Howard, C. (2022). Sound directivity from a 250kW gas turbine exhaust system. In N. Kessissoglou, & M. Buret (Eds.), Proceedings of Acoustics Wollongong : Making Waves (2021) (pp. 1-8). Toowong DC QLD, Australia: Australian Acoustical Society.
2022 Howard, C. Q. (2022). Application of Improved Sliding DFT Algorithm for Non-Integer k. In Proceedings of Acoustics Wollongong : Making Waves (2021) (pp. 1-8). Toowong DC QLD, Australia: Australian Acoustical Society.
2020 Farajpour Ouderji, A., Howard, C., & Robertson, W. (2020). Stress-driven nonlocal integral elasticity for nanostructures. In 6th International Conference on Mechanics of Composites. University of Porto, Portugal.
2019 Larizza, F., Howard, C., Grainger, S., & Wang, W. (2019). Detection and location of defects in rolling element bearing using acoustic emission. In Proceedings of the 18th Australian International Aerospace Congress (AIAC18) (pp. 843-848). Melbourne, Australia: Engineers Australia, Royal Aeronautical Society.
2018 Howard, C., Sergiienko, N., & Gallasch, G. (2018). Monitoring the age of vehicle shock absorbers. In Proceedings of the International Conference on Science and Innovation for Land Power 2018 (ICSILP 2018) (pp. 1-4). Adelaide Convention Centre, Adelaide, South Australia: DST Group.
2018 Zander, A., Ayub, M., Cazzolato, B., Howard, C., Nine, M. J., Losic, D., . . . Bennett, H. (2018). Acoustics at the Nanoscale. In Proceedings of the Annual Conference of the Australian Acoustical Society (AAS2018): Acoustics 2018: Hear to Listen (pp. 51-68). Adelaide, Australia: Australian Acoustical Society.
2018 Zander, A., Ayub, M., Cazzolato, B., Howard, C., Nine, M. J., Losic, D., . . . Bennett, H. (2018). Acoustics at the Nanoscale. In Proceedings of the Annual Conference of the Australian Acoustical Society (AAS2018): Acoustics 2018: Hear to Listen (pp. 51-68). Adelaide, Australia: Australian Acoustical Society.
2018 Leav, O., Cazzolato, B., & Howard, C. (2018). Experimental analysis of sound directivity from sound propagation through non-isothermal, turbulent exhaust jets in cross-flow. In Proceedings of the Australian Acoustical Society Annual Conference (pp. 208-217). online: Australian Acoustical Society.
2018 Howard, C. Q., Hodgson, J., & Koh, L. (2018). Heart rate measurement of nesting birds using a microphone in a plastic egg. In Proceedings of the Annual Conference of the Australian Acoustical Society (AAS2018): Acoustics 2018: Hear to Listen (pp. 453-462). Adelaide, South Australia: Australian Acoustical Society.
Scopus1
2018 Larizza, F., Howard, C. Q., Grainger, S. D., & Wang, W. (2018). Modelling and defect size estimation of a defective bearing. In Proceedings of the Annual Conference of the Australian Acoustical Society (AAS2018): Acoustics 2018: Hear to Listen (pp. 463-471). Adelaide, South Australia: Australian Acoustical Society.
2017 Leav, O., Cazzolato, B., & Howard, C. (2017). A computational analysis of sound directivity from sound propagation through non-isothermal, turbulent exhaust jets in cross-flow. In 24th International Congress on Sound and Vibration, ICSV 2017 (pp. 1-8). Online: IIAV.
Scopus4
2017 Larizza, F., Howard, C., Grainger, S., & Wang, W. (2017). Modelling of defective bearings - the importance of the leading and trailing edge angle of a defect. In 17th Australian International Aerospace Congress (AIAC) (pp. 741-748). Melbourne, Australia: Engineers Australia, Royal Aeronautical Society.
2016 Ayub, M., Zander, A., Howard, C., Cazzolato, B., Huang, D., Alvarez, N., & Shanov, V. (2016). Acoustic absorption behaviour of a tall carbon nanotube forest. In I. Hillock, & D. Mee (Eds.), Proceedings of Acoustics 2016 Vol. 1 (pp. 1-10). Brisbane, Qld: The Australian Acoustical Society.
Scopus3
2016 Howard, C., Leclercq, D., & Hunter, M. (2016). Active exhaust silencer using an oscillating butterfly valve. In Proceedings of the 23rd International Congress on Sound and Vibration: From Ancient to Modern Acoustics, 2016 (pp. 1-8). Athens, Greece: International Institute of Acoustics and Vibration.
2015 Ahmadi, A., & Howard, C. (2015). Observation and analysis of the vibration and displacement signature of defective bearings due to various speeds and loads. In INTER-NOISE 2015 - 44th International Congress and Exposition on Noise Control Engineering (pp. 1-12). online: European Acoustics Association.
2015 Leav, O., Cazzolato, B., & Howard, C. (2015). Directivity analysis of sound in turbulent exhaust jets with laminar cross-flow: A numerical study. In Acoustics 2015 Hunter Valley (pp. 1-10). online: Australian Acoustical Society.
Scopus5
2015 Griscti, H., McPeake, J., Scott, B., & Howard, C. (2015). Design and analysis of a thermoacoustic heat engine. In Acoustics 2015 Hunter Valley (pp. 1-10). online: Australian Acoustical Society.
2015 Hunter, M., Leclercq, D., & Howard, C. (2015). Mechanical design of flow control of the exhaust noise from a V6 petrol engine. In Acoustics 2015 Hunter Valley (pp. 1-9). online: Australian Acoustical Society.
Scopus1
2015 Cotton, B., Damin, L., Silvestri, A., & Howard, C. (2015). Exhaust silencer using water injection. In Acoustics 2015 Hunter Valley (pp. 1-10). online: Australian Acoustical Society.
Scopus3
2014 Ayub, M., Zander, A., Howard, C., Cazzolato, B., Shanov, V., Alvarez, N., & Huang, D. (2014). Acoustic absorption behaviour of carbon nanotube arrays. In J. Davy, C. Don, T. McMinn, L. Dowsett, N. Broner, & M. Burgess (Eds.), Proceedings of 43rd International Congress on Noise Control Engineering (pp. 1-10). Melbourne: The Australian Acoustical Society.
Scopus11
2014 Leclercq, D., Howard, C., Hobson, P., Dickson, S., Zander, A., & Burch, M. (2014). Controlling cyanobacteria with ultrasound. In INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control (pp. 10 pages). online: Australian Acoustical Society.
Scopus9
2014 Leclercq, D., & Howard, C. (2014). Active flow control of the exhaust noise from internal combustion piston engine. In INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control (pp. 10 pages). online: Australian Acoustical Society.
Scopus1
2014 Petersen, D., & Howard, C. (2014). Bearing defect size estimation for extended raceway defects. In INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control (pp. 1-10). online: Australian Acoustical Society.
Scopus3
2014 Singh, S., Howard, C., Hansen, C., & Köpke, U. (2014). Numerical noise generation in modelled bearing vibration signals. In INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control (pp. 1-10). online: Australian Acoustical Society.
Scopus4
2014 Doherty, K., Larizza, F., Tripodi, M., & Howard, C. (2014). Adaptive quarter wavelength tube tuned by varying air Temperature. In INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control (pp. 1-10). online: Australian Acoustical Society.
2014 Moazenahmadi, A., Petersen, D., Howard, C., & Sawalhi, N. (2014). Defect size estimation and analysis of the path of rolling elements in defective bearings with respect to the operational speed. In INTERNOISE 2014 - 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control (pp. 1-10). online: Australian Acoustical Society.
Scopus10
2013 Tetlow, M., Howard, C., & Green, J. (2013). Integrated submarine performance simulation. In Proceedings of the 20th International Congress on Modelling and Simulation, MODSIM 2013 (pp. 1075-1081). Australia: The Modelling and Simulation Society of Aust & NZ.
2013 Howard, C. (2013). Transmission matrix model of a quarter-wave-tube with gas temperature gradients. In Terrance McMinn (Ed.), Proceedings of Acoustics 2013: Science Technology and Amenity. Annual conference of the Australian Acoustical Society (pp. 1-6). CD ROM: Australian Acoustical Society.
2013 Petersen, C., & Howard, C. (2013). Simulation and design of a microphone array for beamforming on a moving acoustic source. In Terrance McMinn (Ed.), Proceedings of Acoustics 2013: Science Technology and Amenity. Annual conference of the Australian Acoustical Society (pp. 1-8). CD ROM: Australian Acoustical Society.
2013 Singh, S., Kopke, U., Howard, C., Petersen, C., & Rennison, D. (2013). Impact generating mechanisms in damaged rolling element bearings. In Terrance McMinn (Ed.), Proceedings of Acoustics 2013: Science Technology and Amenity. Annual conference of the Australian Acoustical Society (pp. 1-7). CD ROM: Australian Acoustical Society.
Scopus3
2013 Moazen Ahmadi, A., Petersen, C., & Howard, C. (2013). A nonlinear dynamic model of the vibration response of defective rolling element bearings. In Terrance McMinn (Ed.), Proceedings of Acoustics 2013: Science Technology and Amenity. Annual conference of the Australian Acoustical Society (pp. 1-7). CD ROM: Australian Acoustical Society.
Scopus8
2013 Ayub, M., Zander, A., Howard, C., Cazzolato, B., & Huang, D. (2013). A review of MD simulations of acoustic absorption mechanisms at the nanoscale. In Terrance McMinn (Ed.), Proceedings of Acoustics 2013: Science Technology and Amenity. Annual conference of the Australian Acoustical Society (pp. 1-8). CD ROM: Australian Acoustical Society.
Scopus2
2013 Howard, C. (2013). Transmission matrix model of a quarter-wave- Tube with gas temperature gradients. In Annual Conference of the Australian Acoustical Society 2013 Acoustics 2013 Science Technology and Amenity (pp. 120-125).
2012 Groocock, D., Menzies, B., & Howard, C. (2012). Extending submarine equipment beyond its service life. In Rina Royal Institution of Naval Architects International Maritime Conference 2012 Pacific 2012 (pp. 607-616).
2012 Craig, R., & Howard, C. (2012). Development of an adaptive quarter-wave tube attached to a large diesel engine. In Proceedings of Acoustics 2012 (pp. 1-7). CDROM: The Australian Acoustical Society.
Scopus4
2012 Howard, C. Q., & Craig, R. A. (2012). Variation in acoustic performance of an adaptive quarter wave tube with orifice geometries of side-branches in a duct with flowing gas. In Australian Acoustical Society Conference 2012: Acoustics 2012: Acoustics, Development, and the Environment (pp. 119-124). Fremantle, Western Australia: Australian Acoustical Society.
2011 Howard, C. (2011). Recent developments in submarine vibration isolation and noise control. In Proceedings of the Submarine Science, Technology and Engineering Conference 2011 (pp. 283-288). Australia: Engineers Australia.
2011 Maddern, A., Privopoulos, E., & Howard, C. (2011). Emergency vehicle auditory warning signals: physical and psychoacoustic considerations. In Proceedings of ACOUSTICS 2011: Breaking new ground (pp. 1-5). CD: Australian Acoustical Society.
Scopus8
2011 Ayub, M., Zander, A., Howard, C., & Cazzolato, B. (2011). A review of acoustic absorption mechanisms of nanoscopic fibres. In Proceedings of ACOUSTICS 2011: Breaking new ground (pp. 139-146). CD: Australian Acoustical Society.
Scopus5
2011 Howard, C. (2011). A new cost function algorithm for adaptive-passive vibration and acoustic resonators. In Proceedings of ACOUSTICS 2011: Breaking new ground (pp. 1-6). CD: Australian Acoustical Society.
2011 Howard, C., & Craig, R. (2011). Adaptive-passive quarter-wave tube resonator silencer. In Proceedings of ACOUSTICS 2011: Breaking new ground (pp. 1-6). CD: Australian Acoustical Society.
Scopus6
2010 Grande, V., Andreasson, T., & Howard, C. (2010). Liquid oxygen recharge system for submarines. In International Maritime Conference 2010 Pacific 2010 (pp. 201-210).
2009 Gardner, D., & Howard, C. (2009). Waste-heat-driven thermoacoustic engine and refrigerator. In Proceedings of Acoustics 2009 (pp. 1-4). CD: AAS.
Scopus11
2009 Kuik, S., Howard, C., Hansen, C., & Zander, A. (2009). Tuned vibration absorbers for control of noise radiated by a panel. In Proceedings of Acoustics 2009 (pp. 1-5). CD: AAS.
Scopus3
2009 Howard, C. (2009). Review of adaptive tuned vibration neutralisers. In Proceedings of Acoustics 2009 (pp. 1-6). CD: AAS.
Scopus5
2008 Singh, S., Hansen, C., & Howard, C. (2008). A detailed tutorial for evaluating in-duct net acoustic power transmission in a circular duct with an attached cylindrical Helmholtz resonator using transfer matrix method. In Proceedings of the Acoustics 2008 (pp. 1). Australia: AAS.
Scopus2
2008 Howard, C. (2008). Transmission loss of a panel with an array of tuned vibration absorbers. In Acoustics 2008: acoustics and sustainabilit (pp. proceedings of the Annual Conference of the Australian Acoustical Society, 24-26 November, 2008, Geelong, Victoria, Australia). Geelong, Victoria: Australian Acoustical Society.
2007 Hansen, C., Qiu, X., Petersen, C., & Howard, C. (2007). Active noise and vibration control system design considerations. In Janusz Kowal (Ed.), Proceedings of the 8th Conference on Active Noise and Vibration Control Methods (pp. 14-31). Poland: Jaroslaw A Jagla.
2007 Howard, C. (2007). Theoretical and experimental results of the transmission loss of a plate with discrete masses attached. In Nicole Kessissoglou (Ed.), Proceedings of ICSV14 Vol. 1 (pp. 1-8). CDROM: AAS.
Scopus6
2007 Puri, R., Morrey, D., Durodola, J., Morgans, R., & Howard, C. (2007). A comparison of structural-acoustic coupled reduced order models ({ROMS}): Modal coupling and implicit moment matching via Arnoldi. In Nicole Kessissoglou (Ed.), Proceedings of ICSV14 (pp. 1-8). CDROM: AAS.
2007 Morgans, R., Howard, C., Zander, A., Hansen, C., & Murphy, D. (2007). Derivative free optimisation in engineering acoustics. In Nicole Kessissoglou (Ed.), Proceedings of ICSV14 Vol. 1 (pp. 1-9). CDROM: AAS.
Scopus1
2007 Hansen, C., Qiu, X., Barrault, G., Howard, C., Petersen, C., & Singh, S. (2007). Optimisation of active and semi-active noise and vibration control systems. In Nicole Kessissoglou (Ed.), Proceedings of ICSV14 Vol. 5 (pp. 1-30). CDROM: AAS.
Scopus6
2007 Puri, R. S., Morrey, D., Durodola, J. F., Morgans, R. C., & Howard, C. Q. (2007). A comparison of structural-acoustic coupled reduced order models (ROMS): Modal coupling and implicit moment matching via Arnoldi. In 14th International Congress on Sound and Vibration 2007 Icsv 2007 Vol. 5 (pp. 4318-4325).
Scopus2
2006 Howard, C., & Leclercq, D. (2006). Feedback noise control of low frequency noise in a station-wagon using a field programmable analog array (FPAA). In M. Kidner, & C. Howard (Eds.), Proceedings of ACTIVE 2006 (pp. CDROM1-CDROM12). Australia: Australian Acoustical Society.
2006 Singh, S., Howard, C., & Hansen, C. (2006). Tuning a semi-active Helmholtz resonator. In M. Kidner, & C. Howard (Eds.), ACTIVE 2006 (pp. CDROM1-CDROM12). Australia: Australian Acoustical Society.
2006 Howard, C., & Kidner, M. (2006). Experimental validation of a model for the transmission loss of a plate with an array of lumped masses. In Terrance McMinn (Ed.), Proceedings of Noise of Progress (pp. CDROM169-CDROM177). New Zealand: New Zealand Acoustical Society.
Scopus13
2006 Howard, C. (2006). Impedance correction for a branched duct in a thermoacoustic air-conditioner. In Terrance McMinn (Ed.), Proceedings of Noise of Progress (pp. CDROM429-CDROM433). New Zealand: New Zealand Acoustical society.
2006 Zoontjens, L., Howard, C., Zander, A., & Cazzolato, B. (2006). Modelling and optimisation of acoustic inertance segments for thermoacoustic devices. In Terrance McMinn (Ed.), Proceedings First Australasian Acoustical Societies' Conference : Acoustics 2006 : Noise of Progress (pp. 435-441). Christchurch, New Zealand: New Zealand Acoustical Society.
Scopus15
2006 Singh, S., Hansen, C., & Howard, C. (2006). The elusive cost function for tuning adaptive Helmholtz resonators. In Terrance McMinn (Ed.), Proceedings of Noise of Progress (pp. CDROM75-CDROM82). New Zealand: New Zealand Acoustical Society.
Scopus5
2005 Kidner, M., Howard, C., & Gardner, B. (2005). Improvements in panel insertion loss by addition of random masses embedded in a poro-elastic layer: Modelling procedures. In ISCV12: Proceedings of the 12th International congress of sound and vibration Vol. 6 (pp. 5193-5200). The International Institute of Acoustics and Vibration.
Scopus3
2005 Howard, C., Hansen, C., & Zander, A. (2005). Review of current recommendations for airborne ultrasound exposure limits. In T. McMinn (Ed.), Proceedings of the annual conference of the Australian Acoustical Society: 'Acoustics in a changing environment' (pp. 341-343). CD ROM: Australian Acoustical Society (Western Australian division).
2005 Howard, C., Hansen, C., & Zander, A. (2005). Noise reduction of a rocket payload fairing using tuned vibration absorbers with translational and rotational DOFs. In T. McMinn (Ed.), Proceedings of the annual conference of the Australian Acoustical Society: 'Acoustics in a changing environment' (pp. 165-171). CD ROM: Australian Acoustical Society (Western Australian division).
Scopus6
2005 Howard, C., Hansen, C., & Zander, A. (2005). Optimisation of design and location of acoustic and vibration absorbers using a distributed computing network. In T. McMinn (Ed.), Proceedings of the annual conference of the Australian Acoustical Society: 'Acoustics in a changing environment' (pp. 173-178). Abbey Beach Resort, Busselton, Western Australia: Australian Acoustical Society (Western Australian division).
2005 Howard, C., & Hansen, C. (2005). Six-axis vibrational power transducer for active vibration isolation. In T. McMinn (Ed.), Proceedings of the annual conference of the Australian Acoustical Society: 'Acoustics in a changing environment' (pp. 85-92). CD ROM: Australian Acoustical Society (Western Australian division).
Scopus2
2005 Zoontjens, L., Howard, C., Zander, A., & Cazzolato, B. (2005). Development of a low-cost loudspeaker-driven thermoacoustic refrigerator. In T. McMinn (Ed.), Proceedings of the annual conference of the Australian Acoustical Society: 'Acoustics in a changing environment' (pp. 1-7). CD ROM: Australian Acoustical Society (Western Australian division).
Scopus1
2005 Zoontjens, L., Howard, C., Zander, A., & Cazzolato, B. (2005). Feasibility study of an automotive thermoacoustic refrigerator. In T. McMinn (Ed.), Proceedings of the annual conference of the Australian Acoustical Society: 'Acoustics in a changing environment' (pp. 1-8). CD ROM: Australian Acoustical Society (Western Australian division).
Scopus5
2005 Bammann, T., Howard, C., & Cazzolato, B. (2005). Review of flow-through design in thermoacoustic refrigeration. In T. McMinn (Ed.), Proceedings of the annual conference of the Australian Acoustical Society: 'Acoustics in a changing environment' (pp. 337-341). CD ROM: Australian Acoustical Society (Western Australian division).
Scopus4
2005 Howard, C., Hansen, C., & Zander, A. (2005). Multi-variable optimisation of a vibro-acoustic system using a distributed computing network. In ICSV12: Proceedings of the 12th International congress on sound and vibration Vol. 6 (pp. 1-7). Auburn, USA: The International Institute of Acoustics and Vibration.
Scopus1
2004 Howard, C. (2004). Experimental results of synchrophasing two axial fans in a duct. In Proceedings of ACTIVE 2004: The 2004 international symposium on active control of sound and vibration (pp. 8 pages). Williamsburg, Virginia USA: Institute of Sound and Vibration.
2000 Howard, C., & Hansen, C. (2000). Active vibration isolation using force and velocity as cost functions - experimental results. In G. Guidati, H. Hunt, & H. Heller (Eds.), Proceedings of the 7th International Congress on Sound and Vibration (pp. 435-442). Munich, Germany: International Institute of Sound and Vibration.

Year Citation
2018 Zander, A., Nine, M., Ayub, M., Losic, D., Cazzolato, B. S., Howard, C., & Huang, D. (2018). WO/2018/157208, Acoustic graphene-containing compositions/materials and methods of formation. Switzerland.
2018 Zander, A., Nine, M., Ayub, M., Losic, D., Cazzolato, B. S., Howard, C., & Huang, D. (2018). WO/2018/157208, Acoustic graphene-containing compositions/materials and methods of formation. Switzerland.
2018 Cazzolato, B. S., Howard, C., & Leav, O. (2018). 2018903441, AN EXHAUST GAS ASSEMBLY. Australia.
2018 Cazzolato, B. S., Howard, C., & Leav, O. (2018). 2018903441, AN EXHAUST GAS ASSEMBLY. Australia.
2017 Zander, A. C., Nine, M. J., Ayub, M., Losic, D., Cazzolato, B. S., Howard, C. Q., & Huang, D. M. (2017). 2017900697, Acoustic Graphene-containing Compositions/Materials and Methods of Formation. Australia.
2013 Howard, C., Stuffel, A., Hardin, L., & Alves, G. (2013). US8381895 B2, Device to reduce noise transmission through the gap between escalator steps. United States of America.

Year Citation
2018 Ayub, M. (2018). Acoustics At The Nanoscale. Science Trends.
2018 Ayub, M. (2018). Acoustics At The Nanoscale. Science Trends.

Year Citation
- Howard, C., & Hansen, C. (n.d.). Engineering Noise Control, 5th Edition (2017).
DOI
- Howard, C. (n.d.). Matlab code for determining instantaneous heart rate from audio signals of nesting birds.
DOI
Date Project/ No. Investigators Funding Body Amount
         
         
         

Courses

Awards

  • ECMS Teaching Award 2015
  • School of Mechanical Engineering Teaching Award 2015

Date Role Research Topic Program Degree Type Student Load Student Name
2023 Co-Supervisor Defining the mechanical rules of the wrist through computational modelling Doctor of Philosophy Doctorate Full Time Mr Zheng Xu Cheng
2023 Co-Supervisor Defining the mechanical rules of the wrist through computational modelling Doctor of Philosophy Doctorate Full Time Mr Zheng Xu Cheng

Date Role Research Topic Program Degree Type Student Load Student Name
2019 - 2021 Principal Supervisor Nonlinear scale-dependent deformation behaviour of beam and plate structures Doctor of Philosophy Doctorate Full Time Mr Ali Farajpour Ouderji
2015 - 2020 Principal Supervisor Vibration Signatures of Defective Bearings: Modelling and Defect Size Estimation Methods Doctor of Philosophy Doctorate Full Time Frank Larizza
2015 - 2020 Co-Supervisor An Investigation into the Mechanics of Sound Propagation through Turbulent Non-Isothermal Exhaust Jets in Cross-Flow Doctor of Philosophy Doctorate Full Time Orddom Leav
2011 - 2016 Co-Supervisor Experimental and Numerical Investigation of a Carbon Nanotube Acoustic Absorber Doctor of Philosophy Doctorate Full Time Mr Md Ayub
2011 - 2016 Principal Supervisor Vibration Signatures of Defective Bearings and Defect Size Estimation Methods Doctor of Philosophy Doctorate Full Time Mr Alireza Moazen Ahmadi
2009 - 2014 Principal Supervisor Explicit dynamics finite element modelling of defective rolling element bearings Doctor of Philosophy Doctorate Full Time Mr Sarabjeet Singh
2004 - 2006 Co-Supervisor Tonal Noise Attenuation in Ducts by Optimising Adaptive Helmholtz Resonators Master of Engineering Science Master Full Time Mr Sarabjeet Singh
2004 - 2008 Co-Supervisor Numerical Investigations of the Performance and Effectiveness of Thermoacoustic Couples Doctor of Philosophy Doctorate Full Time Mr Luke Zoontjens

Date Role Membership Country
2017 - ongoing Member Audio Engineering Society United States
1997 - ongoing Member Acoustical Society of America United States
1995 - ongoing Member Australian Acoustical Society Australia

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