ASHOK GOPALARATHNAM
Associate Professor

Education
Ph.D., Aeronautical and Astronautical Engineering, University of Illinois at Urbana-Champaign, 1999
M.S., Aerospace Engineering, Indian Institute of Technology, Madras, 1993
B.Tech., Aerospace Engineering, Indian Institute of Technology, Madras, 1989

Research Interests
Applied aerodynamics, flight mechanics, aircraft design, adaptive aircraft, design methodologies

Professional Experience
Associate Professor, Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC, August 2003-present

Assistant Professor, Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC, August 1999-August 2003

Graduate Research Assistant, Aeronautical and Astronautical Engineering, University of Illinois at Urbana-Champaign, IL, January 1995-July 1999

Engineer (summer employment), Scaled Composites, Mojave, CA, June 1998-August 1998

Scientist/Engineer, Flight Experiments Division, National Aerospace Laboratories, Bangalore, India, March 1991-August 1994

Research Scholar, Aerospace Engineering, Indian Institute of Technology, Madras, India, July 1989-February 1991

Honors
1998 Roger A. Strehlow Memorial Award for outstanding graduate research, Department of Aeronautical and Astronautical Engineering, University of Illinois at Urbana-Champaign

1994 A coordinator of the NALLA design group, which was awarded the "Outstanding Performance Award" at the National Aerospace Laboratories, Bangalore, for design, development and flight testing of India's first all-composite airplane

Professional Societies
Member, American Institute of Aeronautics and Astronautics (AIAA)

Member, AIAA Applied Aerodynamics Technical Committee

Member, Experimental Aircraft Association

Selected Publications
Frazier, J. W. and Gopalarathnam, A., “ Optimum Downwash Behind Wings in Formation Flight,” Journal of Aircraft , Vol. 40, No. 4, July–August 2003, pp. 799–803.

Gopalarathnam, A., Broughton, B., McGranahan, B., and Selig, M. S., “Design of Low Reynolds Number Airfoils with Trips,” Journal of Aircraft , Vol. 40, No. 4, July–August 2003, pp. 768–775 .

Mckay, N. and Gopalarathnam, A., “The Effects of Wing Aerodynamics on Race Vehicle Performance,” SAE 2002 Transactions Journal of Passenger Cars: Mechanical Systems , pp. 2254 – 2263.

McAvoy, C. W. and Gopalarathnam, A., “Automated Cruise Flap for Airfoil Drag Reduction over a Large Lift Range,” Journal of Aircraft , Vol. 39, No. 6, November–December 2002, pp. 981–988.

Gopalarathnam, A. and McAvoy, C. W., “Effect of Airfoil Characteristics on Aircraft Performance,” Journal of Aircraft , Vol. 39, No. 3, May – June 2002, pp. 427 – 433 .

Lyon, C. A., Broeren, A. P., Giguere, P., Gopalarathnam, A. and Selig, M. S., Summary of Low-Speed Airfoil Data, Vol. 3 , SoarTech Publications, Virginia Beach, Virginia, 420 pages, March 1998.

Gopalarathnam, A. and Selig, M. S., "Multipoint Inverse Method for Multi-Element Airfoil Design," Journal of Aircraft , Vol. 35, No. 3, May-June 1998, pp. 398-404.

Gopalarathnam, A. and Selig, M. S, "Low Speed Natural-Laminar-Flow Airfoils: A Case Study in Inverse Airfoil Design," Journal of Aircraft , in review.

Gopalarathnam, A. and Selig, M. S., "A Hybrid Inverse Airfoil Design Method for Complex Three-Dimensional Geometries," Journal of Aircraft , in review.

Gopalarathnam, A. and Selig, M. S., "A Hybrid Method for Multipoint Inverse Wing Design," AIAA Paper 99-0401, presented at the 37 th AIAA Aerospace Sciences Meeting, Reno, NV, 11-14 January 1999. ( available for download )

Gopalarathnam, A. and Selig, M. S, "Low Speed NLF Airfoils: A Case Study in Inverse Airfoil Design," AIAA Paper 99-0399, presented at the 37 th AIAA Aerospace Sciences Meeting, Reno, NV, 11-14 January 1999. ( available for download )

Gopalarathnam, A. and Selig, M. S., "A Multipoint Viscous Design Method for Multi-Element Airfoils," AIAA Paper 98-2404, Proceedings of the 16 th AIAA Applied Aerodynamics Conference, presented at the 16 th Applied Aerodynamics Conference, Albuquerque, NM, 15-18 June 1998. ( available for download )

Gopalarathnam, A., Selig, M. S. and Hsu, F., ``Design of High-Lift Airfoils for Low Aspect Ratio Wings with Endplates,'' AIAA Paper 97-2232, Proceedings of the 15 th AIAA Applied Aerodynamics Conference, presented at the 15 th Applied Aerodynamics Conference, Atlanta, GA, 23-25 June 1997.

Gopalarathnam, A. and Selig, M. S., ``A Multipoint Inverse Method for Multi-Element Airfoil Design,'' AIAA Paper 96-2396, Proceedings of the 14 th AIAA Applied Aerodynamics Conference, presented at the 14 th Applied Aerodynamics Conference, New Orleans, LA, 17-20 June 1996.

Tulapurkara, E. G., Gopalarathnam, A. and Krishnamurthy, K., "Recent Developments in Flight Testing of light airplanes," presented at the National Seminar on Flight Testing, Aircraft and Systems Testing Establishment, Bangalore, India, 26-27 April 1991.

Gopalarathnam, A. and Selig, M. S., "Design of an Airfoil for the AeroVironment Centurion Pods," Department of Aeronautical and Astronautical Engineering, University of Illinois at Urbana-Champaign, Report AAE 98-09, prepared for AeroVironment Inc., CA, November 1998.

Gopalarathnam, A. and Krishnamurthy, K., "NALLA 3: Data Report," National Aerospace Laboratories Project Document FE 9301, March 1993.

Gopalarathnam, A., Krishnamurthy, K. and Satish, R. R., "NALLA 2: Data Report," National Aerospace Laboratories Project Document FE 9201, January 1992.

Gopalarathnam, A., "Calculation of the Aerodynamic Tail Loads for NALLA," National Aerospace Laboratories Project Document FE 9104, October 1991.

Gopalarathnam, A. and Krishnamurthy, K., "NALLA 1: Data Report, Part 1," National Aerospace Laboratories Project Document FE 9102, September 1991.

Selig, M.S. and Gopalarathnam, A., " A New Airfoil Series Based on the SD7037 ," Sailplane and Electric Modeler , Volume 2, Number 3, 1997. Re-published on request in Soarer , Issue 110, December 1997.

Gopalarathnam, A. and Selig, M. S., "Design of Low Reynolds Number Airfoils with Trips," presented at "Effect of Surface Roughness on Aircraft Aerodynamics," an AIAA short course organized by Dr. M. B. Bragg, Albuquerque, NM, 13-14 June 1998.

``Design and development of the Hansa-2 light airplane at NAL,'' (with Krishnamurthy, K.) industrial lecture (invited) for the undergraduate course IL 302 at the Indian Institute of Technology, Madras, March 1994.