Title: Senior Research Engineer
Technical Focus Area: Multidisciplinary Analysis and Optimization
Study Topics/Expertise: Structures, Optimization, Methods Development, Fortran/C/C++/Python Programming
Originally from Durham, N.C. Greg Wrenn moved to the Yorktown, Virginia area after receiving his bachelor’s degree in 1977. He has worked as a contractor on the primary NASA support services contracts continuously for over 45 years.
- B.S. in Aerospace Engineering from North Carolina State University (May 1977)
- M.S. in Structures and Dynamics from George Washington University (September 1988)
- Aerospace Engineer contractor at NASA Langley Research Center (May 1977 to present)
- “Development of an Inertia Relief Method for Aircraft with Dissimilar Engines in LEAPS,” 2021 AIAA Aviation Forum, July 28th, 2021.
- “DB90 – A Fortran Callable Relational Database Routine for Scientific and Engineering Computer Programs,” NASA CR-213524, February 2005.
- “Supersonic Transport Wing Minimum Weight Design Integrating Aerodynamics and Structures,” AIAA Journal of Aircraft, Vol. 31, No. 2, Mar.-Apr. 1994.
- “Techniques for Aircraft Conceptual Design for Mission Performance Comparing Nonlinear Multiobjective Optimization Methods,” Control and Dynamic Systems, Volume 54, Academic Press, Inc. 1992.
- “Multidisciplinary Design Integration System for a Supersonic Transport Aircraft,” AIAA/USAF/NASA/OAI 4th Symposium on Multidisciplinary Analysis and Optimization Conference, AIAA 92-4841, Cleveland, OH., September 21-23, 1992.
- “Integrating Aerodynamics and Structures in the Minimum Weight Design of a Supersonic Transport Wing,” AIAA/ASME/ASCE/AHS 33rd Structures, Structural Dynamics and Materials Conference, AIAA 92-2372, Dallas, TX., April 13-15, 1992.
- “Application of Multidisciplinary Optimization Methods to the Design of a Supersonic Transport,” NASA TM-104073, Mar. 1991.
- “Aircraft Design for Mission Performance Using Nonlinear Multiobjective Optimization Methods,” NASA CR-4328, Oct. 1990.
- “Development of an Efficient Analysis and Sensitivity Analysis Capability for a Supersonic Transport Aircraft,” Presented at the Third Air Force/NASA Symposium on Recent Advances in Multidisciplinary Analysis and Optimization., San Francisco, CA., Sept. 24-26, 1990.
- “Application of Multidisciplinary Optimization Methods to the Design of a Supersonic Transport,” Presented at the Third Air Force/NASA Symposium on Recent Advances in Multidisciplinary Analysis and Optimization., San Francisco, CA., Sept. 24-26, 1990.
- “Comparison of Equivalent Plate and Finite Element Analysis of a Realistic Aircraft Structural Configuration,” AIAA/AHS/ASEE Aircraft Design and Operations Conference, Dayton, OH., AIAA 90-3293, Sept. 17-19, 1990.
- “Multilevel Decomposition Approach to the Preliminary Sizing of a Transport Aircraft Wing,” NASA CR-4296, May 1990.
- “Aircraft Design for Mission Performance Using Nonlinear Multiobjective Optimization Methods,” AIAA/AHS/ASEE Aircraft Design and Operation Conference, AIAA 89-2078, Seattle, WA., Jul.-Aug. 1989.
- “An Indirect Method for Numerical Optimization using the Kreisselmeier-Steinhauser Function,” NASA CR-4220, March 1989.
- “A New Algorithm for General Multiobjective Optimization,” AIAA/ASME/ASCE/AHS 29th Structures, Structural Dynamics and Materials Conference, AIAA 88-2434, Williamsburg, VA., April 18-20, 1988.
- “A New Algorithm for General Multiobjective Optimization,” NASA TM-100536, March 1988.
- “Multilevel Decomposition Approach to the Preliminary Sizing of a Transport Aircraft Wing,” AIAA/ASME/ASCE/AHS 28th Structures, Structural Dynamics and Materials Conference, AIAA 87-0714, Monterey, CA., April 1987.
- “An Optimization Study to Minimize Surface Distortions of a Hoop/Column Antenna,” Large Space Antenna Systems Technology Conference, NASA CP-2368, Part 1, December 1984.
- “Multidisciplinary Optimization Applied to a Transport Aircraft,” Symposium on Recent Experiences in Multidisciplinary Analysis and Optimization, Hampton, VA., April 1984.
- “Supersonic Cruise Research Aircraft Structural Studies: Methods and Results,” Supersonic Cruise Research ’79 Conference, NASA CP-2108, Part 2, March 1981.
- “Structural and Aeroelastic Studies of a Supersonic Arrow-Wing Configuration,” NASA CR-145325, July 1978.