Search Results - "Pethiyagoda, Ravindra"

A note on the Stokes phenomenon in flow under an elastic sheet by Lustri, Christopher J., Koens, Lyndon, Pethiyagoda, Ravindra

“…The Stokes phenomenon is a class of asymptotic behaviour that was first discovered by Stokes in his study of the Airy function. It has since been shown that…”
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A note on the Stokes phenomenon in flow under an elastic sheet by Lustri, Christopher J., Koens, Lyndon, Pethiyagoda, Ravindra

“…The Stokes phenomenon is a class of asymptotic behaviour that was first discovered by Stokes in his study of the Airy function. It has since been shown that…”
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Time-frequency analysis of ship wave patterns in shallow water: modelling and experiments by Pethiyagoda, Ravindra, Moroney, Timothy J., Macfarlane, Gregor J., Binns, Jonathan R., McCue, Scott W.

“…A spectrogram of a ship wake is a heat map that visualises the time-dependent frequency spectrum of surface height measurements taken at a single point as the…”
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Evaporating droplets on inclined plant leaves and synthetic surfaces: Experiments and mathematical models by Tredenick, Eloise C., Forster, W. Alison, Pethiyagoda, Ravindra, van Leeuwen, Rebecca M., McCue, Scott W.

“…[Display omitted] Evaporation of surfactant droplets on leaves is complicated due to the complex physical and chemical properties of the leaf surfaces…”
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Implicit reconstructions of thin leaf surfaces from large, noisy point clouds by Whebell, Riley M., Moroney, Timothy J., Turner, Ian W., Pethiyagoda, Ravindra, McCue, Scott W.

“…•Implicit reconstruction can be accurate and efficient for thin leaf surfaces.•Whole plant reconstructions are handled naturally, including clustering of…”
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Simulating spray droplet impaction outcomes: comparison with experimental data by Zabkiewicz, Jerzy A, Pethiyagoda, Ravindra, Forster, W Alison, Leeuwen, Rebecca, Moroney, Timothy J, McCue, Scott W

“…BACKGROUND A suite of plant retention spray models has been developed to simulate spray retention using virtual surfaces (either single leaves or whole plants)…”
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Efficient computation of two‐dimensional steady free‐surface flows by Pethiyagoda, Ravindra, Moroney, Timothy J., McCue, Scott W.

“…Summary We consider a family of steady free‐surface flow problems in two dimensions, concentrating on the effect of nonlinearity on the train of gravity waves…”
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Jacobian-free Newton–Krylov methods with GPU acceleration for computing nonlinear ship wave patterns by Pethiyagoda, Ravindra, McCue, Scott W., Moroney, Timothy J., Back, Julian M.

“…The nonlinear problem of steady free-surface flow past a submerged source is considered as a case study for three-dimensional ship wave problems. Of particular…”
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Image analysis of shatter and pinning events on hard‐to‐wet leaf surfaces by drops containing surfactant by Huet, Olivier DY, Massinon, Mathieu, De Cock, Nicolas, Forster, W Alison, Zabkiewicz, Jerzy A, Pethiyagoda, Ravindra, Moroney, Timothy J, Lebeau, Frederic, McCue, Scott W

“…BACKGROUND A key challenge for developing computer models of spray retention by plants is to accurately predict how spray drops behave when impacting leaf…”
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Simulation of high-speed impact of surfactant-laden drops by Huet, Olivier D. Y, Pethiyagoda, Ravindra, Moroney, Timothy J, Kumar, Arvind, Taylor, Philip, Cooper-White, Justin J, McCue, Scott W

“…We develop a computational model to simulate the immediate post-impact spreading behaviour of surfactant-laden drops that impact a flat and solid surface. The…”
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Data fusion for a multi-scale model of a wheat leaf surface: a unifying approach using a radial basis function partition of unity method by Whebell, Riley M, Moroney, Timothy J, Turner, Ian W, Pethiyagoda, Ravindra, Wille, Marie-Luise, Cooper-White, Justin J, Kumar, Arvind, Taylor, Philip, McCue, Scott W

“…Realistic digital models of plant leaves are crucial to fluid dynamics simulations of droplets for optimising agrochemical spray technologies. The presence and…”
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Spectrogram analysis of surface elevation signals due to accelerating ships by Pethiyagoda, Ravindra, Moroney, Timothy J, Macfarlane, Gregor J, McCue, Scott W

“…Spectrograms provide an efficient way to analyse surface elevation signals of ship waves taken from a sensor fixed at a single point in space. Recent work…”
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Mathematical models and time-frequency heat maps for surface gravity waves generated by thin ships by Buttle, Nicholas R, Pethiyagoda, Ravindra, Moroney, Timothy J, Winship, Brian, Macfarlane, Gregor J, Binns, Jonathan R, McCue, Scott W

“…Recent research suggests that studying the time-frequency response of ship wave signals has potential to shed light on a range of applications, such as…”
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Implicit reconstructions of thin leaf surfaces from large, noisy point clouds by Whebell, Riley M, Moroney, Timothy J, Turner, Ian W, Pethiyagoda, Ravindra, McCue, Scott W

“…Thin surfaces, such as the leaves of a plant, pose a significant challenge for implicit surface reconstruction techniques, which typically assume a closed,…”
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Kelvin wake pattern at small Froude numbers by Pethiyagoda, Ravindra, Moroney, Timothy J, Lustri, Christopher J, McCue, Scott W

“…J. Fluid Mech. 915 (2021) A126 The surface gravity wave pattern that forms behind a steadily moving disturbance is well known to comprise divergent waves and…”
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Evaporating droplets on inclined plant leaves and synthetic surfaces: experiments and mathematical models by Tredenick, Eloise C, Forster, W. Alison, Pethiyagoda, Ravindra, van Leeuwen, Rebecca M, McCue, Scott W

“…Hypothesis: Evaporation of surfactant droplets on leaves is complicated due to the complex physical and chemical properties of the leaf surfaces. However, for…”
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Efficient computation of two-dimensional steady free-surface flows by Pethiyagoda, Ravindra, Moroney, Timothy J, McCue, Scott W

“…We consider a family of steady free-surface flow problems in two dimensions, concentrating on the effect of nonlinearity on the train of gravity waves that…”
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Three dimensional free-surface flow over arbitrary bottom topography by Buttle, Nicholas R, Pethiyagoda, Ravindra, Moroney, Timothy J, McCue, Scott W

“…We consider steady nonlinear free surface flow past an arbitrary bottom topography in three dimensions, concentrating on the shape of the wave pattern that…”
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Time-frequency analysis of ship wave patterns in shallow water: modelling and experiments by Pethiyagoda, Ravindra, Moroney, Timothy J, MacFarlane, Gregor J, Binns, Jonathan R, McCue, Scott W

“…Published in Ocean Engineering 158 (2018) 123--131 A spectrogram of a ship wake is a heat map that visualises the time-dependent frequency spectrum of surface…”
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Three-dimensional capillary waves due to a submerged source with small surface tension by Lustri, Christopher J, Pethiyagoda, Ravindra, Chapman, S. Jonathan

“…Steady and unsteady linearised flow past a submerged source are studied in the small-surface-tension limit, in the absence of gravitational effects. The…”
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