• Maneuvering Tilt-Rotor Coriolis Loads. Rand Corporation, Nov. 1987
  • Buckling of Shells with Integrated Stiffeners. U.S. Navy, Dec. 1987 – Sept. 1988
  • Technical evaluation of 2GCHAS Theory Manual for Element Library. U.S. Army Aeroflightdynamics Directorate, Sept. 1988
  • Technical Evaluation of 2GCHAS Theory and Assemble-Solve Control System Functions. U.S. Army, July – Aug. 1989
  • Finite Element Formulation for Rotor Blade Analysis. Bell Helicopter Textron, Sept. 1989
  • Correction of NASTRAN Bar Element Geometric Stiffness Formulation. GRW, Inc., Oct. 1990 – Jan. 1991
  • Technical Enhancements and Revisions to 2GCHAS Element and Assemble-Solve Theories. Sterling Federal Systems, Jan. 1992 – Sept. 1993
  • Optimal Guidance and Control for Air Defense Missiles. LTV Aerospace and Defense, Missiles Division, Mar. 1992 – Dec. 1992
  • Application of Smart-Materials Technology to Rotor Blade Design. Guided Systems Technologies, Dec. 1992 – Feb. 1993
  • Composite Rotor Blade Sectional Analysis. Berkeley Applied Science and Engineering Associates, July 1993
  • Composite Rotor Blade Sectional Analysis. CSA Engineering, June – Dec. 1994
  • Robinson R-22 Inflight Breakups. FAA, Aug. 1994 – Jan. 1996
  • Technical Enhancements and Revisions to 2GCHAS Element and Assemble-Solve Theories. Advanced Rotorcraft Technology, July 1996 – Aug 2000
  • Dynamics Analysis Program Review. Aircraft Landing Systems, AlliedSignal Aerospace, Feb. 1997
  • Specialized Code Development for Control Design Applications, National Renewable Energy Laboratory, March – Sept. 1998
  • Assessment of State-of-the-Art Blade Modeling for Comprehensive Rotorcraft Analysis, U.S. Army Aeroflightdynamics Directorate, June 2003
  • Nonlinear Aero-Servo-Elastic Modeling of Pathfinder and Helios, NASA Dryden, March 2004 – Jan. 2005
  • Development of Nonlinear Composite Beam Element for RCAS, U.S. Army Aeroflightdynamics Directorate, May – Dec. 2004
  • Modeling of Multi-body Dynamical Systems and Kane’s Method, NASA Marshall Spaceflight Center, Aug. 2006
  • Section Properties of Wind-Turbine Blades, National Renewable Energy Laboratory, Dec. 2006 – Mar. 2007
  • Development of Enhancements to NATASHA, AeroVironment, Inc., 2007, 2008
  • Development of Enhancements to PreVABS, AeroVironment, Inc., 2008
  • Review and assessment of internal technical work in the areas of aeroelasticity and structural dynamics, AeroVironment, Inc., 2008 – present
  • HIT Program, Mustang Technology, Inc., 2008 – present
  • Senior Consultant, AnalySwift LLC, 2011 – present
  • Expert witness in the patent infringement and invalidity action between Eurocopter and Bell Helicopter Textron Canada Limited regarding the Bell 429 landing gear and Eurocopter’s Canadian Patent No. 2,207,787, Canadian Federal Court. Technical subject matter: rotorcraft dynamics and stability. Law firm: Ogilvy Renault (now Norton Rose), Montreal, Quebec, Jul. 2010 – Feb. 2011.
  • Expert witness in the patent infringement and invalidity action between Eurocopter and Bell Helicopter Textron Canada Limited regarding the Bell 429 landing gear and Eurocopter’s French Patent No. 96 07156, Federal Court of France. Technical subject matter: rotorcraft dynamics and stability. Law firm: Norton Rose, Montreal, Quebec, Oct. 2011 – Oct. 2012.
  • Expert witness in the patent infringement and invalidity action between Eurocopter and Bell Helicopter Textron Canada Limited regarding the Bell 429 landing gear and Eurocopter’s U.S. Patent 5,860,621, United States District Court of District of Columbia. Technical subject matter: rotorcraft dynamics and stability. Law firm: Goodwin Procter LLP, New York, Apr. 2012 – Mar. 2013.
  • A Morphing Wing Design with an Innovative Three-Dimensional Warping Actuation, Materials Technologies Corporation, Jun. – Dec. 2014
  • VTOL Design Assessment, Ampaire, Jan. – Apr. 2017.