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Dr Doug Auld

BSc, BE(Hons), MEngSc, PhD (Sydney)
Senior Lecturer in School of Aerospace, Mechanical and Mechatronic Engineering

J11 - Aeronautical Engineering Building
The University of Sydney

Telephone +61 2 9351 2336
Fax +61 2 9351 4841

Website Fluid Dynamics Research Group

School of Aerospace, Mechanical and Mechatronic Engineering

Research interests

Aircraft components are generally designed for optimal aerodynamic performance during normal flight, with minimum drag, maximum fuel efficiency and so on. Dr Doug Auld's research focuses on the aerodynamics of aircraft components in the event that the craft stalls during flight, so that future design can incorporate properties that mitigate the consequences of such an event.

"Since the early 1900s we have basically understood what flight is about, but there are second-order effects with respect to air flow at the microscopic and molecular level that are less well understood. I work mainly on this fundamental knowledge, which can then be applied to aircraft design to improve safety and efficiency.

"As well as aircraft, I look at how other objects that move through air or water are affected by disturbances in the flow of the surrounding medium, whether to a minor or a catastrophic degree. This will ultimately lead to design applications that improve the stability of vehicles in cross-winds and so on.

"Another project I'm working on involves power generation from wind and wave energy through the use of turbines. Our ability to efficiently obtain power from wind and waves is still quite low. I work with prototypes that aim to maximise the extraction of energy from the naturally variable pressure of airflow in a variety of situations, in order to increase long-term efficiency and reliability and reducing maintenance requirements.

"I've been working in this field for around 35 years, most of it at the University of Sydney. There's a strong research environment here and I have the freedom to do the type of fundamental research that other people don't necessarily have the time or freedom to pursue. This means I can focus on developing knowledge that will lead to long-term solutions, rather than just specific localised applications."

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Teaching and supervision

AERO2705 - Space Engineering 1
AERO3460 - Aerospace Design 1
AERO4206 - Rotary Wing Aircraft
AERO5410 - Foundations of Aerospace Design
AMME1550 - Dynamics 1
AMME2500 - Engineering Dynamics
AMME5500 - Foundations of Engineering Dynamics
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Themes

Water and the environment

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Selected grants

2006

  • Development of a parallel architecture computer code for implementation of the DSMC method on Intel-based computers (from NASA to em. Prof Graeme BIRD who is subcontracting to Aeronautical Engineering); Bird G, Auld D; GAB Consulting Pty Ltd/BLO Project.

2004

  • Investigation of a novel fan; Armfield S, Auld D; Australian Research Council (ARC)/Linkage.
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Selected publications

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Journals

  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Wong, K. (2007). Aerodynamic shape optimisation of unmanned aerial vehicles using hierarchical asynchronous parallel evolutionary algorithms. International Journal of Computational Intelligence, 3(3), 231-252.
  • Morgan, P., Auld, D., Armfield, S. (2004). A Comparison Of Eulerian And Langrangian Schemes For The Simulation Of An Impressible Planar Jet. The A N Z I A M Journal, 45(Part E), C310-C325.

Conferences

  • Leslie, A., Wong, K., Auld, D. (2009). Broadband noise reduction on a mini-UAV propeller through boundary layer tripping. 3rd Australasian Unmanned Air Vehicles Conference 2009, Australia: Defence Science and Technology Organisation.
  • Hall, A., Wong, K., Auld, D. (2009). Coaxial Rotor Interaction Modelling Using Blade Element Momentum Theory. 7th Australian Pacific Vertiflite Conference on Helicopter Technology 2009, Australia: American Helicopter Society International, Inc.
  • Auld, D. (2009). Investigation of Boundary Slip Conditions for DSMC Simulation of Transonic Flow. 26th International Symposium on Rarefied Gas Dynamics 2008, United States: American Institute of Physics (AIP).
  • Leslie, A., Wong, K., Auld, D. (2008). Broadband Noise reduction from a mini-UAV propeller through boundary layer tripping. Acoustics 2008 Acoustics and Sustainability: How should acoustics adapt to meet future demands?, Castlemaine, Victoria: Australian Acoustical Society.
  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Periaux, J. (2007). Multi-Objective / Multidisciplinary Design Optimisation of Blended Wing Body UAV via Advanced Evolutionary Algorithms. 45th AIAA Aerospace Sciences Meeting and Exhibit, USA: American Institute of Aeronautics and Astronautics (AIAA).
  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Wong, K. (2007). Multi-Objective and Multidisciplinary Design and Optimisation of Blended Wing Body UAV via Advanced Evolutionary Algorithms. Twelfth Australian International Aerospace Congress (AIAC-12), Melbourne, Australia: Bristol UAV Conferences.
  • Auld, D. (2007). Use of Independent Ensemble Averaging for DSMC solutions in unsteady flow. 25th International Symposium on Rarefied Gas Dynamics (RGD25, 2006), Novosibirsk: Publishing House fo the Siberian Branch of the Russian Academy of Sciences.
  • Lee, K., Gonzalez, L., Srinivas, K., Wong, K., Auld, D. (2006). Aerodynamic Shape Optimisation of Unmanned Aerial Vehicles using Hierarchical Asynchronous Parallel Evolutionary Algorithms. 1st AIAA Non-Deterministic Approaches Conference. American Institute of Aeronautics and Astronautics (AIAA).
  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Wong, K. (2006). Aerodynamic/RCS Shape Optimisation of Unmanned Aerial Vehicles using Heirarchical Asynchronous Parallel Evolutionary Algorithms. 24th AIAA Applied Aerodynamics Conference,, USA: American Institute of Aeronautics and Astronautics (AIAA).
  • Hall, A., Wong, K., Auld, D. (2006). Simple Rotor Dynamics Analysis of MAV Rotorcraft for Optimisation. 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, United States: Peeters Publishers.
  • Auld, D., Lan, Y. (2006). Simulation of Lid-Driven Cavity Flow by Parallel DSMC Method. 24th AIAA Applied Aerodynamics Conference,, USA: American Institute of Aeronautics and Astronautics (AIAA).
  • Lee, K., Gonzalez, L., Srinivas, K., Wong, K., Auld, D. (2006). UCAV Aerodynamic Shape and RCS Optimisation using Hierarchical Asynchronous Parallel Evolutionary Algorithms. ASME 8th Biennial Conference on Engineering Systems Design and Analysis (ESDA 2006), Torino, Italy: American Society of Mechanical Engineers (ASME).

2009

  • Leslie, A., Wong, K., Auld, D. (2009). Broadband noise reduction on a mini-UAV propeller through boundary layer tripping. 3rd Australasian Unmanned Air Vehicles Conference 2009, Australia: Defence Science and Technology Organisation.
  • Hall, A., Wong, K., Auld, D. (2009). Coaxial Rotor Interaction Modelling Using Blade Element Momentum Theory. 7th Australian Pacific Vertiflite Conference on Helicopter Technology 2009, Australia: American Helicopter Society International, Inc.
  • Auld, D. (2009). Investigation of Boundary Slip Conditions for DSMC Simulation of Transonic Flow. 26th International Symposium on Rarefied Gas Dynamics 2008, United States: American Institute of Physics (AIP).

2008

  • Leslie, A., Wong, K., Auld, D. (2008). Broadband Noise reduction from a mini-UAV propeller through boundary layer tripping. Acoustics 2008 Acoustics and Sustainability: How should acoustics adapt to meet future demands?, Castlemaine, Victoria: Australian Acoustical Society.

2007

  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Wong, K. (2007). Aerodynamic shape optimisation of unmanned aerial vehicles using hierarchical asynchronous parallel evolutionary algorithms. International Journal of Computational Intelligence, 3(3), 231-252.
  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Periaux, J. (2007). Multi-Objective / Multidisciplinary Design Optimisation of Blended Wing Body UAV via Advanced Evolutionary Algorithms. 45th AIAA Aerospace Sciences Meeting and Exhibit, USA: American Institute of Aeronautics and Astronautics (AIAA).
  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Wong, K. (2007). Multi-Objective and Multidisciplinary Design and Optimisation of Blended Wing Body UAV via Advanced Evolutionary Algorithms. Twelfth Australian International Aerospace Congress (AIAC-12), Melbourne, Australia: Bristol UAV Conferences.
  • Auld, D. (2007). Use of Independent Ensemble Averaging for DSMC solutions in unsteady flow. 25th International Symposium on Rarefied Gas Dynamics (RGD25, 2006), Novosibirsk: Publishing House fo the Siberian Branch of the Russian Academy of Sciences.

2006

  • Lee, K., Gonzalez, L., Srinivas, K., Wong, K., Auld, D. (2006). Aerodynamic Shape Optimisation of Unmanned Aerial Vehicles using Hierarchical Asynchronous Parallel Evolutionary Algorithms. 1st AIAA Non-Deterministic Approaches Conference. American Institute of Aeronautics and Astronautics (AIAA).
  • Lee, D., Gonzalez, L., Srinivas, K., Auld, D., Wong, K. (2006). Aerodynamic/RCS Shape Optimisation of Unmanned Aerial Vehicles using Heirarchical Asynchronous Parallel Evolutionary Algorithms. 24th AIAA Applied Aerodynamics Conference,, USA: American Institute of Aeronautics and Astronautics (AIAA).
  • Hall, A., Wong, K., Auld, D. (2006). Simple Rotor Dynamics Analysis of MAV Rotorcraft for Optimisation. 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, United States: Peeters Publishers.
  • Auld, D., Lan, Y. (2006). Simulation of Lid-Driven Cavity Flow by Parallel DSMC Method. 24th AIAA Applied Aerodynamics Conference,, USA: American Institute of Aeronautics and Astronautics (AIAA).
  • Lee, K., Gonzalez, L., Srinivas, K., Wong, K., Auld, D. (2006). UCAV Aerodynamic Shape and RCS Optimisation using Hierarchical Asynchronous Parallel Evolutionary Algorithms. ASME 8th Biennial Conference on Engineering Systems Design and Analysis (ESDA 2006), Torino, Italy: American Society of Mechanical Engineers (ASME).

2004

  • Morgan, P., Auld, D., Armfield, S. (2004). A Comparison Of Eulerian And Langrangian Schemes For The Simulation Of An Impressible Planar Jet. The A N Z I A M Journal, 45(Part E), C310-C325.
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