By Associate Professor Sridhar Ravi

Journal articles

Singh S; Garratt M; Srinivasan M; Ravi S, 2024, 'Analysis of collision avoidance in honeybee flight', Journal of the Royal Society Interface, 21, http://dx.doi.org/10.1098/rsif.2023.0601

Pham HQ; Singh S; Garratt M; Ravi S, 2024, 'Controlling a bio-inspired miniature blimp using a depth sensing neural-network camera', Bioinspiration and Biomimetics, 19, http://dx.doi.org/10.1088/1748-3190/ad1ef1

Bhat SS; Medina A; Tian FB; Young J; Lai JCS; Ravi S, 2024, 'Proximity to the water surface markedly enhances the force production on underwater flapping wings', PLoS ONE, 19, http://dx.doi.org/10.1371/journal.pone.0299542

Chao LM; Jia L; Wang S; Liberzon A; Ravi S; Couzin ID; Li L, 2024, 'Tailbeat perturbations improve swimming efficiency by reducing the phase lag between body motion and the resulting fluid response', PNAS Nexus, 3, http://dx.doi.org/10.1093/pnasnexus/pgae073

Wang L; Young J; Tian F-B, 2024, 'An immersed boundary method for the thermo–fluid–structure interaction in rarefied gas flows', Physics of Fluids, 36, pp. 013616, http://dx.doi.org/10.1063/5.0181397

Bhat SS; Anavatti SG; Garratt M; Ravi S, 2024, 'Review of autonomous outdoor blimps and their applications', Drone Systems and Applications, 12, pp. 1 - 21, http://dx.doi.org/10.1139/dsa-2023-0052

Huang Q; Bhat SS; Yeo EC; Young J; Lai JCS; Tian FB; Ravi S, 2023, 'Power synchronisations determine the hovering flight efficiency of passively pitching flapping wings', Journal of Fluid Mechanics, 974, pp. a41, http://dx.doi.org/10.1017/jfm.2023.821

Bhat SS; Mazharmanesh S; Medina A; Tian FB; Young J; Lai JCS; Ravi S, 2023, 'Pitch perturbation effects on a revolving wing at low Reynolds number', Physical Review Fluids, 8, http://dx.doi.org/10.1103/PhysRevFluids.8.104701

Ramirez-Esquivel F; Ravi S, 2023, 'Functional anatomy of the worker honeybee stinger (Apis mellifera)', iScience, 26, http://dx.doi.org/10.1016/j.isci.2023.107103

Mazharmanesh S; Young J; Tian FB; Ravi S; Lai JCS, 2023, 'Coupling performance of two tandem and side-by-side inverted piezoelectric flags in an oscillating flow', Journal of Fluids and Structures, 119, http://dx.doi.org/10.1016/j.jfluidstructs.2023.103874

Majumdar D; Ravi S; Sarkar S, 2023, 'Passive dynamics regulates aperiodic transitions in flapping wing systems', PNAS Nexus, 2, http://dx.doi.org/10.1093/pnasnexus/pgad086

Ji X; Wang L; Ravi S; Young J; Lai JCS; Tian FB, 2023, 'Aerodynamic and aeroacoustic performance of a pitching foil with trailing edge serrations at a high Reynolds number', Theoretical and Computational Fluid Dynamics, http://dx.doi.org/10.1007/s00162-023-00677-8

Mazharmanesh S; Young J; Tian FB; Ravi S; Lai JCS, 2022, 'Energy harvesting of inverted piezoelectric flags in an oscillating flow', Journal of Fluids and Structures, 115, http://dx.doi.org/10.1016/j.jfluidstructs.2022.103762

Huang Q; Liu Z; Wang L; Ravi S; Young J; Lai JCS; Tian FB, 2022, 'Streamline penetration, velocity error, and consequences of the feedback immersed boundary method', Physics of Fluids, 34, http://dx.doi.org/10.1063/5.0101584

Li L; Ravi S; Wang C, 2022, 'Editorial: Robotics to Understand Animal Behaviour', Frontiers in Robotics and AI, 9, http://dx.doi.org/10.3389/frobt.2022.963416

Ravi S; Siesenop T; Bertrand OJ; Li L; Doussot C; Fisher A; Warren WH; Egelhaaf M, 2022, 'Bumblebees display characteristics of active vision during robust obstacle avoidance flight', The Journal of experimental biology, 225, http://dx.doi.org/10.1242/jeb.243021

Ji X; Wang L; Ravi S; Tian FB; Young J; Lai JCS, 2022, 'Influences of serrated trailing edge on the aerodynamic and aeroacoustic performance of a flapping wing during hovering flight', Physics of Fluids, 34, http://dx.doi.org/10.1063/5.0070450

Li Q; Yuan J; Shen H; Deng J; Jakobi TR; Ravi S; Wang X; Ji A, 2021, 'Aerodynamics of a half-rotating wing in hovering flight: An integrated study', Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 235, pp. 2407 - 2425, http://dx.doi.org/10.1177/0954410021996545

Mazharmanesh S; Stallard J; Medina A; Fisher A; Ando N; Tian FB; Young J; Ravi S, 2021, 'Performance of passively pitching flapping wings in the presence of vertical inflows', Bioinspiration and Biomimetics, 16, pp. 056003, http://dx.doi.org/10.1088/1748-3190/ac0c60

Mazharmanesh S; Stallard J; Medina A; Fisher A; Ando N; Tian FB; Young J; Ravi S, 2021, 'Effects of uniform vertical inflow perturbations on the performance of flapping wings', Royal Society Open Science, 8, pp. 210471, http://dx.doi.org/10.1098/rsos.210471

Bertrand OJN; Doussot C; Siesenop T; Ravi S; Egelhaaf M, 2021, 'Visual and movement memories steer foraging bumblebees along habitual routes', Journal of Experimental Biology, 224, http://dx.doi.org/10.1242/JEB.237867

Li L; Ravi S; Xie G; Couzin ID, 2021, 'Using a robotic platform to study the influence of relative tailbeat phase on the energetic costs of side-by-side swimming in fish', Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 477, http://dx.doi.org/10.1098/rspa.2020.0810

Thoma A; Moni A; Ravi S, 2021, 'Significance of parallel computing on the performance of digital image correlation algorithms in matlab', Designs, 5, pp. 1 - 21, http://dx.doi.org/10.3390/designs5010015

Ravi S; Siesenop T; Bertrand O; Li L; Doussot C; Warren WH; Combes SA; Egelhaaf M, 2020, 'Bumblebees perceive the spatial layout of their environment in relation to their body size and form to minimize inflight collisions', Proceedings of the National Academy of Sciences of the United States of America, 117, pp. 31494 - 31499, http://dx.doi.org/10.1073/pnas.2016872117

Wang W; Ji A; Chen G; Ravi S; Shen H; Gorb SN; Dai Z, 2020, 'Kinematics of gecko climbing: the lateral undulation pattern', Zoology, 140, http://dx.doi.org/10.1016/j.zool.2020.125768

Ravi S; Noda R; Gagliardi S; Kolomenskiy D; Combes S; Liu H; Biewener AA; Konow N, 2020, 'Modulation of Flight Muscle Recruitment and Wing Rotation Enables Hummingbirds to Mitigate Aerial Roll Perturbations', Current Biology, 30, pp. 187 - 195.e4, http://dx.doi.org/10.1016/j.cub.2019.11.025

Tian R; Li L; Wang W; Chang X; Ravi S; Xie G, 2020, 'CFD based parameter tuning for motion control of robotic fish', Bioinspiration and Biomimetics, 15, http://dx.doi.org/10.1088/1748-3190/ab6b6c

Kolomenskiy D; Ravi S; Xu R; Ueyama K; Jakobi T; Engels T; Nakata T; Sesterhenn J; Schneider K; Onishi R; Liu H, 2019, 'The dynamics of passive feathering rotation in hovering flight of bumblebees', Journal of Fluids and Structures, 91, http://dx.doi.org/10.1016/j.jfluidstructs.2019.03.021

Li L; Liu A; Wang W; Ravi S; Fu R; Yu J; Xie G, 2019, 'Bottom-level motion control for robotic fish to swim in groups: Modeling and experiments', Bioinspiration and Biomimetics, 14, http://dx.doi.org/10.1088/1748-3190/ab1052

Ravi S; Bertrand O; Siesenop T; Manz LS; Doussot C; Fisher A; Egelhaaf M, 2019, 'Gap perception in bumblebees', Journal of Experimental Biology, 222, http://dx.doi.org/10.1242/jeb.184135

Kolomenskiy D; Ravi S; Xu R; Ueyama K; Jakobi T; Engels T; Nakata T; Sesterhenn J; Farge M; Schneider K; Onishi R; Liu H, 2019, 'Wing Morphology and Inertial Properties of Bumblebees', Journal of Aero Aqua Bio-mechanisms, 8, pp. 41 - 47, http://dx.doi.org/10.5226/jabmech.8.41

Ravi S; Bertrand O; Siesenop T; Manz L-S; Doussot C; Fisher A; Egelhaaf M, 2018, 'Gap perception in bumblebees', , http://dx.doi.org/10.1101/315432

Jakobi T; Kolomenskiy D; Ikeda T; Watkins S; Fisher A; Liu H; Ravi S, 2018, 'Bees with attitude: The effects of directed gusts on flight trajectories', Biology Open, 7, http://dx.doi.org/10.1242/bio.034074

UEYAMA K; KOLOMENSKIY D; NAKATA T; LIU H; RAVI S, 2017, 'Aerodynamic performance of bumblebee with flexible wing hinges', The Proceedings of the Bioengineering Conference Annual Meeting of BED/JSME, 2017.29, pp. 2F21 - 2F21, http://dx.doi.org/10.1299/jsmebio.2017.29.2f21

Ravi S; Garcia JE; Wang C; Dyer AG, 2016, 'The answer is blowing in the wind: Free-flying honeybees can integrate visual and mechano-sensory inputs for making complex foraging decisions', Journal of Experimental Biology, 219, pp. 3465 - 3472, http://dx.doi.org/10.1242/jeb.142679

Ravi S; Kolomenskiy D; Engels T; Schneider K; Wang C; Sesterhenn J; Liu H, 2016, 'Bumblebees minimize control challenges by combining active and passive modes in unsteady winds', Scientific Reports, 6, pp. 35043, http://dx.doi.org/10.1038/srep35043

Liu H; Ravi S; Kolomenskiy D; Tanaka H, 2016, 'Biomechanics and biomimetics in insect-inspired flight systems', Philosophical Transactions of the Royal Society B: Biological Sciences, 371, http://dx.doi.org/10.1098/rstb.2015.0390

Fisher A; Ravi S; Watkins S; Watmuff J; Wang C; Liu H; Petersen P, 2016, 'The gust-mitigating potential of flapping wings', Bioinspiration and Biomimetics, 11, http://dx.doi.org/10.1088/1748-3190/11/4/046010

Shyy W; Kang CK; Chirarattananon P; Ravi S; Liu H, 2016, 'Erratum: Aerodynamics, sensing and control of insect-scale flapping-wing flight (Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences (2016) 472 (20150712) DOI: 10.1098/rspa.2015.0712)', Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 472, http://dx.doi.org/10.1098/rspa.2016.0096

Shyy W; Kang CK; Chirarattananon P; Ravi S; Liu H, 2016, 'Aerodynamics, sensing and control of insect-scale flapping-wing flight', Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 472, http://dx.doi.org/10.1098/rspa.2015.0712

Switzer CM; Hogendoorn K; Ravi S; Combes SA, 2016, 'Shakers and head bangers: differences in sonication behavior between Australian Amegilla murrayensis (blue-banded bees) and North American Bombus impatiens (bumblebees)', Arthropod-Plant Interactions, 10, pp. 1 - 8, http://dx.doi.org/10.1007/s11829-015-9407-7

Crall JD; Ravi S; Mountcastle AM; Combes SA, 2015, 'Bumblebee flight performance in cluttered environments: Effects of obstacle orientation, body size and acceleration', Journal of Experimental Biology, 218, pp. 2728 - 2737, http://dx.doi.org/10.1242/jeb.121293

Mountcastle AM; Ravi S; Combes SA, 2015, 'Nectar vs. Pollen loading affects the tradeoff between flight stability and maneuverability in bumblebees', Proceedings of the National Academy of Sciences of the United States of America, 112, pp. 10527 - 10532, http://dx.doi.org/10.1073/pnas.1506126112

Ravi S; Crall JD; McNeilly L; Gagliardi SF; Biewener AA; Combes SA, 2015, 'Hummingbird flight stability and control in freestream turbulent winds', Journal of Experimental Biology, 218, pp. 1444 - 1452, http://dx.doi.org/10.1242/jeb.114553

Ravi S; Kanow N; Noda R; Combes S; Liu H, 2015, 'OS1-3 DYNAMICS OF HUMMINGBIRDS FLYING IN HIGHLY TURBULENT WINDS(OS1: Bio-inspired Flight System Biomechanics I)', The Proceedings of the Asian Pacific Conference on Biomechanics : emerging science and technology in biomechanics, 2015.8, pp. 64 - 64, http://dx.doi.org/10.1299/jsmeapbio.2015.8.64

Wildmann N; Ravi S; Bange J, 2014, 'Towards higher accuracy and better frequency response with standard multi-hole probes in turbulence measurement with remotely piloted aircraft (RPA)', Atmospheric Measurement Techniques, 7, pp. 1027 - 1041, http://dx.doi.org/10.5194/amt-7-1027-2014

Dyer AG; Ravi S; Garcia JE, 2014, 'Flying in Complex Environments: Can Insects Bind Multiple Sensory Perceptions and What Could Be the Lessons for Machine Vision?', Journal of Software Engineering and Applications, 07, pp. 406 - 412, http://dx.doi.org/10.4236/jsea.2014.75037

Ravi S; Crall JD; Fisher A; Combes SA, 2013, 'Rolling with the flow: Bumblebees flying in unsteady wakes', Journal of Experimental Biology, 216, pp. 4299 - 4309, http://dx.doi.org/10.1242/jeb.090845

Ravi S; Watkins S; Watmuff J; Fisher A, 2013, 'Transient loads occurring over a thin airfoil subjected to large-scale freestream turbulence', AIAA Journal, 51, pp. 1473 - 1485, http://dx.doi.org/10.2514/1.J052142

Ravi S; Watkins S; Watmuff J; Massey K; Petersen P; Marino M, 2012, 'Influence of large-scale freestream turbulence on the performance of a thin airfoil', AIAA Journal, 50, pp. 2448 - 2459, http://dx.doi.org/10.2514/1.J051640

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