Works (53)

Updated: November 18th, 2023 05:00

2023 article

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.

By: S. Narsipur*โ€‰, K. Ramesh*, A. Gopalarathnam n & J. Edwards n

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Aerodynamics; Unsteady flows; LESP; Vortex dynamics
Source: Web Of Science
Added: June 19, 2023

2023 journal article

Leading-Edge Suction Behavior of Unsteady Airfoils in Forward and Reverse Flows

JOURNAL OF THE AMERICAN HELICOPTER SOCIETY, 68(2).

By: S. Narsipur*โ€‰ & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 21, 2023

2023 article

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

Hughes, M. T., Gopalarathnam, A., & Bryant, M. (2023, February 7). AIAA JOURNAL.

By: M. Hughes n, A. Gopalarathnam n & M. Bryant n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: February 27, 2023

2023 article

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

Jenkins, M., Babu, A. V. S., Bryant, M., & Gopalarathnam, A. (2023, October 31). AIAA JOURNAL.

By: M. Jenkins n, A. Babuโ€‰*, M. Bryant n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Vortex Induced Vibrations; Unsteady Reynolds Averaged Navier Stokes; Numerical Simulation; Computational Fluid Dynamics; Vortex Shedding; Unsteady Flows; Bluff Body Aerodynamics; Vortex Generators; Shear Layers; Vortex Wake
Source: Web Of Science
Added: November 13, 2023

2023 article

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.

By: H. Ramanathan nโ€‰ & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Unsteady aerodynamics; LESP; Separated flows; Boundary layer separation; Vortical flows
Sources: Web Of Science, ORCID
Added: May 22, 2023

2022 journal article

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

PHYSICS OF FLUIDS, 34(5).

By: A. Suresh Babu*, S. Narsipur*โ€‰, M. Bryant n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: May 31, 2022

2022 article

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

Narsipur, S., Gopalarathnam, A., & Edwards, J. R. (2022, September 7). AIAA JOURNAL.

By: S. Narsipur nโ€‰, A. Gopalarathnam n & J. Edwards n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: November 28, 2022

2022 journal article

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

AIAA JOURNAL, 60(3), 1708โ€“1720.

By: E. Loewenthal n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: July 5, 2022

2022 article

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

Aleman, M. A., Gopalarathnam, A., & Granlund, K. (2022, May 13). JOURNAL OF AIRCRAFT, Vol. 5.

By: M. Alemanโ€‰ n, A. Gopalarathnam n & K. Granlund nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: May 16, 2022

2021 journal article

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

JOURNAL OF FLUID MECHANICS, 910.

By: Y. Hirato n, M. Shen n, A. Gopalarathnam n & J. Edwards n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: swimming; flying; vortex shedding; boundary layer separation
Source: Web Of Science
Added: February 1, 2021

2021 journal article

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

PHYSICS OF FLUIDS, 33(8).

By: A. Saini n, S. Narsipur nโ€‰ & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: September 20, 2021

2021 journal article

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

JOURNAL OF AIRCRAFT, 58(3), 420โ€“435.

By: P. Hosangadiโ€‰ n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: January 10, 2022

2021 journal article

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

JOURNAL OF FLUID MECHANICS, 921.

By: A. SureshBabuโ€‰ n, A. Medina*, M. Rockwood*, M. Bryant n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: vortex dynamics
Source: Web Of Science
Added: July 19, 2021

2020 journal article

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

JOURNAL OF FLUIDS AND STRUCTURES, 98.

By: B. Kirschmeier n, G. Pash n, Z. Gianikos n, A. Medina*, A. Gopalarathnam n & M. Bryant n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Nonlinear aeroelasticity; Limit cycle oscillation; Aeroelastic inverse; Power analysis
Source: Web Of Science
Added: October 26, 2020

2020 journal article

Amplitude Annihilation in Wake-Influenced Aeroelastic Limit-Cycle Oscillations

AIAA JOURNAL, 58(9), 4117โ€“4127.

By: B. Kirschmeier n, Z. Gianikos n, A. Gopalarathnam n & M. Bryant n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: September 28, 2020

2020 journal article

Artificial Lumbered Flight for Autonomous Soaring

JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, 43(3), 553โ€“566.

By: T. Powers n, L. Silverbergโ€‰ n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: March 10, 2020

2020 journal article

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

JOURNAL OF FLUIDS AND STRUCTURES, 95(0).

By: Z. Gianikos n, B. Kirschmeier n, A. Gopalarathnam n & M. Bryant n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: May 26, 2020

2020 journal article

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

JOURNAL OF FLUID MECHANICS, 900.

By: S. Narsipur nโ€‰, P. Hosangadiโ€‰ n, A. Gopalarathnam n & J. Edwards n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: boundary layer separation; vortex dynamics; vortex shedding
Source: Web Of Science
Added: August 31, 2020

2019 journal article

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

JOURNAL OF AIRCRAFT, 56(5), 1849โ€“1857.

By: R. Waghela n, C. Yoder n, A. Gopalarathnam n & A. Mazzoleni n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: October 28, 2019

2019 journal article

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

AIAA JOURNAL, 57(1), 191โ€“207.

By: S. Narsipur nโ€‰, A. Gopalarathnam n & J. Edwards n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: February 4, 2019

2019 article

Model Reduction in Discrete-Vortex Methods for Unsteady Airfoil Flows

SureshBabu, A. V., Ramesh, K., & Gopalarathnam, A. (2019, April). AIAA JOURNAL, Vol. 57, pp. 1409โ€“1422.

By: A. SureshBabuโ€‰ n, K. Rameshโ€‰* & A. Gopalarathnam n

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: May 28, 2019

2019 journal article

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

JOURNAL OF AIRCRAFT, 56(4), 1626โ€“1640.

By: Y. Hirato n, M. Shen n, A. Gopalarathnam n & J. Edwards n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: September 16, 2019

2018 journal article

Leading-Edge Flow Sensing for Aerodynamic Parameter Estimation

AIAA JOURNAL, 56(12), 4706โ€“4718.

By: A. Saini n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: December 31, 2018

2018 journal article

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

THEORETICAL AND COMPUTATIONAL FLUID DYNAMICS, 32(2), 109โ€“136.

By: K. Rameshโ€‰*, K. Granlund nโ€‰, M. Ol*, A. Gopalarathnam n & J. Edwards n

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: LESP; LEV; Vortex dynamics; Unsteady aerodynamics; Low Reynolds number; Flow separation
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 article

Computational Aerodynamic Modeling Tools for Aircraft Loss of Control

Frink, N. T., Murthy, P. C., Atkins, H. L., Viken, S. A., Petrilli, J. L., Gopalarathnam, A., & Paul, R. C. (2017, April). JOURNAL OF GUIDANCE CONTROL AND DYNAMICS, Vol. 40, pp. 789โ€“803.

By: N. Frink, P. Murthy, H. Atkins, S. Viken, J. Petrilli, A. Gopalarathnam*, R. Paul*

Source: Web Of Science
Added: August 6, 2018

2017 journal article

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

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 64(9), 7304โ€“7312.

By: T. Kim n, A. Saini n, J. Kim n, A. Gopalarathnam n, Y. Zhu n, F. Palmieri*, C. Wohl*, X. Jiang n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Bimorph piezoelectric (PE) structures; electromechanical symmetry; floating element (FE); PMN-33% PT crystal; shear stress
Source: Web Of Science
Added: August 6, 2018

2016 article

A piezoelectric shear stress sensor

SENSORS AND SMART STRUCTURES TECHNOLOGIES FOR CIVIL, MECHANICAL, AND AEROSPACE SYSTEMS 2016, Vol. 9803.

By: T. Kim n, A. Saini n, J. Kim n, A. Gopalarathnam n, Y. Zhu n, F. Palmieri*, C. Wohl*, X. Jiang n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: PMN-33% PT crystal; bimorph piezoelectric structures; floating element; electromechanical symmetry
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Development and Testing of a Passive Variable-Pitch Propeller

Journal of Aircraft, 52(3), 748โ€“763.

By: S. Heinzen n, C. Hall n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, Crossref
Added: August 6, 2018

2015 journal article

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

Journal of Fluids and Structures, 55, 84โ€“105.

By: K. Rameshโ€‰*, J. Murua* & A. Gopalarathnam n

co-author countries: United Kingdom of Great Britain and Northern Ireland ๐Ÿ‡ฌ๐Ÿ‡ง United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Leading-edge vortices; Limit-cycle oscillations; Unsteady aerodynamics; Discrete-vortex method; 2DOF airfoil; Nonlinear aeroelasticity
Sources: Web Of Science, Crossref
Added: August 6, 2018

2014 journal article

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

Journal of Fluid Mechanics, 751, 500โ€“538.

By: K. Ramesh n, A. Gopalarathnam n, K. Granlund*โ€‰, M. Ol* & J. Edwards n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: computational methods; separated flows; vortex interactions
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2014 journal article

Drag reduction on aircraft configurations with adaptive lifting surfaces

Aerospace Science and Technology, 34, 35โ€“44.

By: A. Cusher & A. Gopalarathnam*

author keywords: Configuration aerodynamics; Drag reduction; Adaptive wings; Aircraft aerodynamics; Aircraft design
Sources: Web Of Science, Crossref
Added: August 6, 2018

2014 journal article

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

International Journal for Numerical Methods in Fluids, 76(4), 199โ€“222.

By: R. Paul n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: nonlinear aerodynamics; stall; flight dynamics; viscous effects; Newton iteration; wing aerodynamics
Sources: Web Of Science, Crossref
Added: August 6, 2018

2013 journal article

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

Theoretical and Computational Fluid Dynamics, 27(6), 843โ€“864.

By: K. Ramesh n, A. Gopalarathnam n, J. Edwards n, M. Ol* & K. Granlund*โ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Unsteady aerodynamics; Airfoil aerodynamics; Leading-edge vortex
Sources: Web Of Science, Crossref, ORCID
Added: August 6, 2018

2012 journal article

Drag Reduction Methodology for Adaptive Tailless Aircraft

Journal of Aircraft, 49(1), 161โ€“172.

By: A. Cusher n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, Crossref
Added: August 6, 2018

2012 journal article

High-Downforce Airfoil Design for Motorsports

SAE International Journal of Materials and Manufacturing, 5(2), 478โ€“489.

By: P. Sriram n, A. Gopalarathnam n & A. Misenheimer n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: December 16, 2019

2012 journal article

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

Bioinspiration & Biomimetics, 7(3), 036003.

By: J. Johnston n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Aircraft; Animals; Biomimetic Materials; Biomimetics / instrumentation; Birds / physiology; Computer Simulation; Computer-Aided Design; Equipment Design; Equipment Failure Analysis; Flight, Animal / physiology; Models, Biological; Movement / physiology; Wings, Animal / physiology
Sources: Web Of Science, Crossref
Added: August 6, 2018

2011 article

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). AIAA JOURNAL, Vol. 49, pp. 1511โ€“1524.

By: G. McGowan n, K. Granlund*โ€‰, M. Ol, A. Gopalarathnam* & J. Edwards*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

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

Journal of Aircraft, 47(4), 1178โ€“1188.

By: C. Cox n, A. Gopalarathnam n & C. Hall n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, Crossref
Added: August 6, 2018

2009 journal article

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

International Journal of Micro Air Vehicles, 1(2), 99โ€“119.

By: M. Ol*, M. Reeder*, D. Fredberg*, G. McGowan n, A. Gopalarathnam n & J. Edwards n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: August 28, 2020

2009 journal article

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

Journal of Aircraft, 46(1), 301โ€“311.

By: C. Cox n, A. Gopalarathnam n & C. Hall n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, Crossref
Added: August 6, 2018

2009 journal article

Ideal Lift Distributions and Flap Angles for Adaptive Wings

Journal of Aircraft, 46(2), 562โ€“571.

By: A. Gopalarathnam n & R. Norris n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, Crossref
Added: August 6, 2018

2006 journal article

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

Journal of Aircraft, 43(3), 660โ€“668.

By: R. Mukherjeeโ€‰ n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Web Of Science, Crossref
Added: August 6, 2018

2005 article

Ideal aerodynamics of ground effect and formation flight

JOURNAL OF AIRCRAFT, Vol. 42, pp. 1188โ€“1199.

By: R. King n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2005 article

Incorporation of aircraft performance considerations in inverse airfoil design

JOURNAL OF AIRCRAFT, Vol. 42, pp. 199โ€“207.

By: J. Jepson n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Inverse design of adaptive airfoils with aircraft performance considerations

Journal of Aircraft, 42(6), 1622โ€“1630.

By: J. Jepson & A. Gopalarathnam

Source: NC State University Libraries
Added: August 6, 2018

2003 journal article

Design of low Reynolds number airfoils with trips

JOURNAL OF AIRCRAFT, 40(4), 768โ€“775.

By: A. Gopalarathnam n, B. Broughton*, B. McGranahan* & M. Seligโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Optimum downwash behind wings in formation flight

JOURNAL OF AIRCRAFT, 40(4), 799โ€“803.

By: J. Frazier n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Automated cruise flap for airfoil drag reduction over a large lift range

JOURNAL OF AIRCRAFT, 39(6), 981โ€“988.

By: C. McAvoy n & A. Gopalarathnam n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Effect of airfoil characteristics on aircraft performance

JOURNAL OF AIRCRAFT, 39(3), 427โ€“433.

By: A. Gopalarathnam n & C. McAvoy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2002 article

Hybrid inverse airfoil design method for complex three-dimensional lifting surfaces

JOURNAL OF AIRCRAFT, Vol. 39, pp. 409โ€“417.

By: A. Gopalarathnam n & M. Seligโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2002 conference paper

The Effects of Wing Aerodynamics on Race Vehicle Performance

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

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Event: Motorsports Engineering Conference & Exhibition

Source: Crossref
Added: August 28, 2020

2001 journal article

Low-speed natural-laminar-flow airfoils: Case study in inverse airfoil design

JOURNAL OF AIRCRAFT, 38(1), 57โ€“63.

By: A. Gopalarathnam* & M. Seligโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Multipoint Inverse Method for Multielement Airfoil Design

Journal of Aircraft, 35(3), 398โ€“404.

By: A. Gopalarathnam* & M. Seligโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: August 28, 2020

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