Ashok Gopalarathnam

Discrete vortex-based broadcast mode analysis for mitigation of dynamic stall

Patel, H. D., Lee, Y. T., Gopalarathnam, A., & Yeh, C.-A. (2026, January 2). Journal of Fluid Mechanics.

Investigation of thrust augmentation in multi-foil flapping propulsion systems using a low-order hydrodynamic model

Babu, A. V. S., Mistele, A., & Gopalarathnam, A. (2026, February 17). Ocean Engineering.

An analytical model for two-dimensional aerodynamic predictions of vertical axis wind turbines

Babu, A. V. S., Narsipur, S., & Gopalarathnam, A. (2025, September 27). Renewable Energy, Vol. 256.

Automatic Limit Cycle Oscillation Annihilation in Aeroelastic Wings Using Prescribed Impinging Vortices

Hughes, M. T., Gopalarathnam, A., & Bryant, M. (2025, October 28). AIAA Journal.

Discrete vortex-based broadcast mode analysis for mitigation of dynamic stall

Effect of rounded trailing edges on unsteady airfoil loading at low reynolds numbers

Lee, Y. T., Ramesh, K., & Gopalarathnam, A. (2025, July 5). Theoretical and Computational Fluid Dynamics, Vol. 39.

Optimal Cyclic Control of a Structurally Constrained Morphing Energy-Harvesting Kite Using an Experimentally Validated Simulation Model

Fine, J. B., McGuire, C. M., Williams, V. O., Jenkins, M., McDaniel, H., Keele, M., … Vermillion, C. (2025, January 9). IEEE Transactions on Control Systems Technology, Vol. 1.

Lift tailoring on unsteady airfoils with leading-edge vortex shedding using an inverse aerodynamic approach

Babu, A. V. S., Narsipur, S., & Gopalarathnam, A. (2024, May 1). Physics of Fluids, Vol. 36.

Discrete vortex modeling of perching and hovering maneuvers

Narsipur, S., Ramesh, K., Gopalarathnam, A., & Edwards, J. R. (2023, May 31). Theoretical and Computational Fluid Dynamics, Vol. 5.

Modulation and Annihilation of Aeroelastic Limit-Cycle Oscillations Using a Variable-Frequency Disturbance Generator

Hughes, M. T., Gopalarathnam, A., & Bryant, M. (2023, February 13). AIAA Journal, Vol. 61, pp. 1447–1461.

Numerical Study of Circular-Cylinder Disturbance Generators with Rigid Splitter Plates

Jenkins, M., Babu, A. V. S., Bryant, M., & Gopalarathnam, A. (2023, November 3). AIAA Journal, Vol. 10.

Prediction of leading-edge-vortex initiation using criticality of the boundary layer

Ramanathan, H., & Gopalarathnam, A. (2023, May 13). Theoretical and Computational Fluid Dynamics, Vol. 5.

Leading-edge Suction Behavior of Unsteady Airfoils in Forward And Reverse Flows

Narsipur, S., & Gopalarathnam, A. (2022, November 17). Journal of the American Helicopter Society, Vol. 68.

Leading-edge-vortex tailoring on unsteady airfoils using an inverse aerodynamic approach

Babu, A. V. S., Narsipur, S., Bryant, M., & Gopalarathnam, A. (2022, May 1). Physics of Fluids, Vol. 34.

Low-Order Modeling of Dynamic Stall on Airfoils in Incompressible Flow

Narsipur, S., Gopalarathnam, A., & Edwards, J. R. (2022, September 9). AIAA Journal, Vol. 9.

Novel Surface Flow-Reversal Sensor Applied to Detection of Airfoil Stall

Aleman, M. A., Gopalarathnam, A., & Granlund, K. (2022, May 16). Journal of Aircraft, Vol. 5, pp. 1–8.

Flow criticality governs leading-edge-vortex initiation on finite wings in unsteady flow

Hirato, Y., Shen, M., Gopalarathnam, A., & Edwards, J. R. (2021, January 8). Journal of Fluid Mechanics, Vol. 910.

Leading-edge flow sensing for detection of vortex shedding from airfoils in unsteady flows

Saini, A., Narsipur, S., & Gopalarathnam, A. (2021, August 1). Physics of Fluids, Vol. 33.

Low-Order Modeling of Wingtip Vortices in a Vortex Lattice Method

Loewenthal, E., & Gopalarathnam, A. (2021, September 25). AIAA Journal, Vol. 60, pp. 1708–1720.

Theoretical and experimental investigation of an unsteady airfoil in the presence of external flow disturbances

SureshBabu, A. V., Medina, A., Rockwood, M., Bryant, M., & Gopalarathnam, A. (2021, July 1). Journal of Fluid Mechanics, Vol. 921.

A Low-Order Method for Prediction of Separation and Stall on Unswept\n Wings

Hosangadi, P., & Gopalarathnam, A. (2020, May 29). ArXiv (Cornell University), Vol. 58, pp. 420–435.

Aeroelastic inverse: Estimation of aerodynamic loads during large amplitude limit cycle oscillations

Kirschmeier, B., Pash, G., Gianikos, Z., Medina, A., Gopalarathnam, A., & Bryant, M. (2020, September 16). Journal of Fluids and Structures, Vol. 98.

Amplitude Annihilation in Wake-Influenced Aeroelastic Limit-Cycle Oscillations

Kirschmeier, B. A., Gianikos, Z., Gopalarathnam, A., & Bryant, M. (2020, July 17). AIAA Journal, Vol. 58, pp. 4117–4127.

Artificial Lumbered Flight for Autonomous Soaring

Powers, T. C., Silverberg, L. M., & Gopalarathnam, A. (2020, January 16). Journal of Guidance Control and Dynamics, Vol. 43, pp. 553–566.

Limit cycle characterization of an aeroelastic wing in a bluff body wake

Gianikos, Z. N., Kirschmeier, B. A., Gopalarathnam, A., & Bryant, M. (2020, April 18). Journal of Fluids and Structures, Vol. 95.

Variation of leading-edge suction during stall for unsteady aerofoil motions

Narsipur, S., Hosangadi, P., Gopalarathnam, A., & Edwards, J. R. (2020, August 11). Journal of Fluid Mechanics, Vol. 900.

Aerodynamic Sails for Passive Guidance of High-Altitude Balloons: Static-Stability and Equilibrium Performance

Waghela, R., Yoder, C. D., Gopalarathnam, A., & Mazzoleni, A. P. (2019, May 24). Journal of Aircraft, Vol. 56, pp. 1849–1857.

Model Reduction in Discrete-Vortex Methods for Unsteady Airfoil Flows

SureshBabu, A. V., Ramesh, K., & Gopalarathnam, A. (2019, February 8). AIAA Journal, Vol. 57, pp. 1409–1422.

Vortex-Sheet Representation of Leading-Edge Vortex Shedding from Finite Wings

Hirato, Y., Shen, M., Gopalarathnam, A., & Edwards, J. R. (2019, April 22). Journal of Aircraft, Vol. 56, pp. 1626–1640.

Leading-Edge Flow Sensing for Aerodynamic Parameter Estimation

Saini, A., & Gopalarathnam, A. (2018, November 2). AIAA Journal, Vol. 56, pp. 4706–4718.

Low-Order Model for Prediction of Trailing-Edge Separation in Unsteady Flow

Narsipur, S., Gopalarathnam, A., & Edwards, J. R. (2018, November 12). AIAA Journal, Vol. 57, pp. 191–207.

Leading-edge flow criticality as a governing factor in leading-edge vortex initiation in unsteady airfoil flows

Ramesh, K., Granlund, K., Ol, M. V., Gopalarathnam, A., & Edwards, J. R. (2017, August 14). Theoretical and Computational Fluid Dynamics, Vol. 32, pp. 109–136.

A piezoelectric shear stress sensor

(J. P. Lynch, Ed.).

Computational Aerodynamic Modeling Tools for Aircraft Loss of Control

Frink, N. T., Murphy, P. C., Atkins, H. L., Viken, S. A., Petrilli, J. L., Gopalarathnam, A., & Paul, R. C. (2016, May 24). Journal of Guidance Control and Dynamics, Vol. 40, pp. 789–803.

Piezoelectric Floating Element Shear Stress Sensor for the Wind Tunnel Flow Measurement

Kim, T., Saini, A., Kim, J., Gopalarathnam, A., Zhu, Y., Palmieri, F. L., … Jiang, X. (2016, November 18). IEEE Transactions on Industrial Electronics, Vol. 64, pp. 7304–7312.

Development and Testing of a Passive Variable-Pitch Propeller

Journal of Aircraft, 52(3), 748–763.

Limit-cycle oscillations in unsteady flows dominated by intermittent leading-edge vortex shedding

Journal of Fluids and Structures, 55, 84–105.

Discrete-vortex method with novel shedding criterion for unsteady aerofoil flows with intermittent leading-edge vortex shedding

Journal of Fluid Mechanics, 751, 500–538.

Drag reduction on aircraft configurations with adaptive lifting surfaces

Aerospace Science and Technology, 34, 35–44.

Iteration schemes for rapid post-stall aerodynamic prediction of wings using a decambering approach

International Journal for Numerical Methods in Fluids, 76(4), 199–222.

An unsteady airfoil theory applied to pitching motions validated against experiment and computation

Theoretical and Computational Fluid Dynamics, 27(6), 843–864.

Drag Reduction Methodology for Adaptive Tailless Aircraft

Journal of Aircraft, 49(1), 161–172.

High-Downforce Airfoil Design for Motorsports

SAE International Journal of Materials and Manufacturing, 5(2), 478–489.

Investigation of a bio-inspired lift-enhancing effector on a 2D airfoil

Bioinspiration & Biomimetics, 7(3), 036003.

Investigations of Lift-Based Pitch-Plunge Equivalence for Airfoils at Low Reynolds Numbers

McGowan, G. Z., Granlund, K., Ol, M. V., Gopalarathnam, A., & Edwards, J. R. (2011, July 1). AIAA Journal, Vol. 49, pp. 1511–1524.

Flight Test of Stable Automated Cruise Flap for an Adaptive Wing Aircraft

Journal of Aircraft, 47(4), 1178–1188.

Computation vs. Experiment for High-Frequency Low-Reynolds Number Airfoil Plunge

International Journal of Micro Air Vehicles, 1(2), 99–119.

Development of Stable Automated Cruise Flap for an Aircraft with Adaptive Wing

Journal of Aircraft, 46(1), 301–311.

Ideal Lift Distributions and Flap Angles for Adaptive Wings

Journal of Aircraft, 46(2), 562–571.

Poststall Prediction of Multiple-Lifting-Surface Configurations Using a Decambering Approach

Journal of Aircraft, 43(3), 660–668.

Ideal Aerodynamics of Ground Effect and Formation Flight

King, R. M., & Gopalarathnam, A. (2005, September 1). Journal of Aircraft, Vol. 42, pp. 1188–1199.

Incorporation of Aircraft Performance Considerations in Inverse Airfoil Design

Jepson, J. K., & Gopalarathnam, A. (2005, January 1). Journal of Aircraft, Vol. 42, pp. 199–207.

Inverse design of adaptive airfoils with aircraft performance considerations

Journal of Aircraft, 42(6), 1622–1630.

Design of Low Reynolds Number Airfoils with Trips

Gopalarathnam, A., Broughton, B. A., McGranahan, B. D., & Selig, M. S. (2003, July 1). Journal of Aircraft, Vol. 40, pp. 768–775.

Optimum Downwash Behind Wings in Formation Flight

Frazier, J. W., & Gopalarathnam, A. (2003, July 1). Journal of Aircraft, Vol. 40, pp. 799–803.

Automated Cruise Flap for Airfoil Drag Reduction over a Large Lift Range

McAvoy, C. W., & Gopalarathnam, A. (2002, November 1). Journal of Aircraft, Vol. 39, pp. 981–988.

Effect of Airfoil Characteristics on Aircraft Performance

Gopalarathnam, A., & McAvoy, C. W. (2002, May 1). Journal of Aircraft, Vol. 39, pp. 427–433.

Hybrid Inverse Airfoil Design Method for Complex Three-Dimensional Lifting Surfaces

Gopalarathnam, A., & Selig, M. S. (2002, May 1). Journal of Aircraft, Vol. 39, pp. 409–417.

The Effects of Wing Aerodynamics on Race Vehicle Performance

SAE Technical Paper Series. Presented at the Motorsports Engineering Conference & Exhibition.

Low-Speed Natural-Laminar-Flow Airfoils: Case Study in Inverse Airfoil Design

Gopalarathnam, A., & Selig, M. S. (2001, January 1). Journal of Aircraft, Vol. 38, pp. 57–63.

Multipoint Inverse Method for Multielement Airfoil Design

Journal of Aircraft, 35(3), 398–404.