Dr Ravindra Pethiyagoda
Faculty of Science,
School of Mathematical Sciences
Biography
Ravindra Pethiyagoda was awarded a PhD in Applied Mathematics from Queensland University of Techonology in December of 2016. His PhD supervisors were Professor Scott McCue and Associate Professor Timothy Moroney, both still reside at QUT.Ravindra is currently employed as a Post Doc. for an ARC Linkage project titled "Mathematical and computational models for agrichemical retention on plants" and an ARC Discovery project titled "Mathematical analysis of water waves and ship wakes".
Research discipline at QUT: Applied and Computational Mathematics
Areas of expertise
- Fluid mechanics
Free surface flows (mathematics of water wave problems)
- Properties of ship wakes
- Flow due to source or sink
- Computing ship wave patterns in 3D
- Time-frequency analysis of ship wakes with experiments
Personal details
Positions
- Research Associate
Faculty of Science,
School of Mathematical Sciences
Keywords
Fluid mechanics, Free surface flows
Discipline
Applied Mathematics, Numerical and Computational Mathematics
Field of Research code, Australian and New Zealand Standard Research Classification (ANZSRC), 2008
Qualifications
- PhD (Queensland University of Technology)
- Bachelor of Applied Science (Honours) (Queensland University of Technology)
- Bachelor of Mathematics (Queensland University of Technology)
- Bachelor of Information Technology (Software Architecture (Queensland University of Technology)
Teaching
Teaching discipline: Mathematical Sciences
Ravindra's teaching activities include teaching the following units:
- Linear algebra (1st year)
Selected publications
- Pethiyagoda R, McCue S, Moroney T, (2017) Spectrograms of ship wakes: identifying linear and nonlinear wave signals, Journal of Fluid Mechanics, 811, pp. 189-209.
- Pethiyagoda R, Moroney T, Macfarlane G, Binns J, McCue S, (2018) Time-frequency analysis of ship wave patterns in shallow water: modelling and experiments, Ocean Engineering, 158, pp. 123-131.
- Pethiyagoda R, McCue S, Moroney T, Back J, (2014) Jacobian-free Newton-Krylov methods with GPU acceleration for computing nonlinear ship wave patterns, Journal of Computational Physics, 269, pp. 297-313.
- Pethiyagoda R, McCue S, Moroney T, (2014) What is the apparent angle of a Kelvin ship wave pattern?, Journal of Fluid Mechanics, 758, pp. 468-485.
- Pethiyagoda R, McCue S, Moroney T, (2015) Wake angle for surface gravity waves on a finite depth fluid, Physics of Fluids, 27 (6), pp. 1-7.
- Pethiyagoda R, Moroney T, Lustri C, McCue S, (2021) Kelvin wake pattern at small Froude numbers, Journal of Fluid Mechanics, 915.
- Pethiyagoda R, Moroney T, McCue S, (2018) Efficient computation of two-dimensional steady free-surface flows, International Journal for Numerical Methods in Fluids, 86 (9), pp. 607-624.
- Buttle N, Pethiyagoda R, Moroney T, McCue S, (2018) Three-dimensional free-surface flow over arbitrary bottom topography, Journal of Fluid Mechanics, 846, pp. 166-189.
QUT ePrints
For more publications by Ravindra, explore their research in QUT ePrints (our digital repository).