As Principal and Co-Principal Investigator

  1. “Anisotropic Beam Theory.” Composite Materials and Structures Program; NASA/ AFOSR. Leading investigator, 1983–1986, ($210k).
  2. “Finite Element Analysis of Helicopter Rotor Blades.” Center of Excellence in Rotorcraft Technology; ARO. Leading investigator, 1984–1987, ($129k)
  3. “Ballistic Damage Tolerance of Helicopter Drive Shafts.” Center of Excellence in Rotorcraft Technology; ARO. Leading investigator, 1984–1987, ($92k)
  4. “An Approach to Ideal Twist Distribution in Tilt Rotor VTOL Blade Design.” Boeing Helicopter Company. Co-principal investigator (with Dr. R.G. Loewy, 1985–1986, ($20k)
  5. “Rotorcraft Maneuver Loads.” Center of Excellence in Rotorcraft Technology; ARO. Leading investigator, 1987–1992, ($180k)
  6. “Rotorcraft Composite Fuselage Frames.” Center of Excellence in Rotorcraft Technology; ARO. Leading investigator, 1987–1992, ($195k)
  7. “Helicopter Composite Blade Dynamics.” United Technologies Sikorsky Aircraft. Principal investigator, 1988–1990, ($25k)
  8. “Design of Automotive Braided Drive Shafts.” Nippon Steel. Principal investigator, 1988–1990, ($20k)
  9. “Nonlinear Dynamic Analysis of Flexible Multibody Systems.” NASA. Principal investigator, 1989– 1991, ($60k)
  10. “Rotorcraft Technology Center.” ARO and Rotorcraft industry consortium. Co-principal investigator (with Dr. R.G. Loewy), 1992–1995, ($450k)
  11. “Establishing a Rensselaer Rotorcraft Technology Center Automated Data Processing Facility.” ARO. Co-principal investigator (with Dr. R.G. Loewy), 1993, ($427k)
  12. “Augmentation of Rotorcraft Technology Center.” ARO and Rotorcraft Industry Consortium. Co-principal investigator (with Dr. A.Z. Lemnios), 1993–1994, ($529k)
  13. “Multibody Dynamic Analysis of Rotorcraft Systems.” United Technologies Sikorsky Aircraft. Principal investigator, 1992–1994, ($30k)
  14. “Efficient Solution Procedures for Rotorcraft Aeroelastic Analysis.” National Rotorcraft Technology Center. Principal Investigator (with Drs. L.N. Sankar and M.J. Smith), 1996–2001, ($500k)
  15. “Novel Approaches to the Stability Analysis of Complex Rotorcraft Systems.” National Rotorcraft Technology Center. Principal Investigator (with Dr. D.A. Peters), 1996–2001, ($375k)
  16. “Acoustic Emission Bearing Fault Diagnostics System.” AI Signal Research, Huntsville AL. Principal investigator, 1998–1999, ($75k)
  17. “Comprehensive Aeromechanical Analysis Using Integrated Analysis Tools.” Rotorcraft Industry Technology Association (with Drs. Hodges and Craig), 2000–2003, ($300k)
  18. “Multibody Approach to the Dynamic Analysis of Space Structures with Actuated Components.” AFOSR. Co-Principal Investigator (with Dr. D.H. Hodges), 2001–2004, ($308k)
  19. “Elastically Tailored Smart Composite Rotor Blades.” National Rotorcraft Technology Center. Co-Principal Investigator (with Drs. E.A. Armanios and D.S. Dancila), 2001–2005, ($500k)
  20. “Finite Element Based Multibody Dynamic Analysis Approach to Rotorcraft Modeling.” Principal Investigator, Rotorcraft Industry Technology Association, 2001–2003, ($300k)
  21. “Analysis of Rotor Systems with Inter-Blade Dampers.” Bell Helicopter. Principal Investigator, 2003, ($44k)
  22. “Hosting the Tenth International Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorcraft Systems.” Army Research Office. Principal Investigator, 2003, ($8k)
  23. “Modeling of Unilateral Contact Conditions in Aerospace Systems.” AFOSR. Co-Principal Investigator (with Dr. A.A. Ferri), 2003–2006, ($339k)
  24. “Multibody Dynamic Analysis Approach to Comprehensive Rotorcraft Modeling.” Rotorcraft Industry Technology Association. Principal Investigator, 2004–2007, ($300k)
  25. “Comprehensive Aeromechanical Analysis Using Integrated Analysis Tools.” Rotorcraft Industry Technology Association (with Drs. Hodges and Craig), 2004–2006, ($200k)
  26. “Multibody Dynamics Approach to the Comprehensive Modeling of Rotorcraft Systems.” Army Research Office. Principal Investigator, 2005, ($30k)
  27. “Unsteady Trim Procedures for the Simulation of Maneuvering Rotorcraft with Comprehensive Models.” Army Research Office. Principal Investigator, (with Dr. Carlo L. Bottasso), 2005–2008, ($227k)
  28. “Validation of Comprehensive Multibody Code for the UH-60 Aircraft.” Sikorsky Aircraft. Principal Investigator, 2005–2006, ($96k)
  29. “Multibody Dynamic Analysis Approach to Comprehensive Rotorcraft Modeling.” Center for Rotorcraft Innovation. Principal Investigator, 2007–2010, ($300k).
  30. “Semi-active damper concepts for rotorcraft.” Materials Technology Corporation. Principal Investigator, 2005–2006, ($85k)
  31. “Innovative Strategies for Rotary-Wing Coupled Aeroelastic Simulations.” NASA. Co-Principal Investigator, (with Dr. Marilyn Smith), 2007–2010, ($453k)
  32. “First principles based modeling of elastomeric dampers.” Small Business Innovative Research program; Materials Technologies, Inc. Principal Investigator, 2009–2011, ($98k)
  33. “Combined Analytical and Experimental Approaches to Rotor and Dynamic Component Stress Predictions.” Small Business Innovative Research program; Technical Data Analysis, Inc. Co-Principal Investigator, 2009–2011, ($211k)
  34. “High Performance Computing For Rotorcraft Structural Analysis.” Small Business Innovative Research program; Advanced Rotorcraft Technology, Inc. Principal Investigator, 2009–2011, ($200k)
  35. “A Confluence Technique for Dynamic Loads Evaluation and Structural Identification of Wind Turbines.” State Key Laboratory for Noise and Vibration. Principal Investigator, 2011–2012, (¥100k)
  36. “An Analytical-Experimental Technique for Dynamic Loads Evaluation and Structural Identification (Digital Twins) of Wind Turbines.” University of Michigan, Shanghai Jiao Tong University joint research initiative. Co-Principal Investigator, (with Dr. Carlos Cesnik), 2011–2012, ($150k)
  37. “Dymore Development Project.” Bell Helicopter, Textron, Inc. Principal Investigator, 2011–2012, ($23k)
  38. “Analytical and Experimental Investigation of Laminated Composite Shells for Multibody Dynamics Applications.” National Science Foundation of China. Co-Principal Investigator with Prof Liu, Jinyang, 2012– 2016, (¥800k)
  39. “Dymore Development Project.” Bell Helicopter, Textron, Inc. Principal Investigator, 2011–2012, ($32k)

As Investigator

  1. “Micro-cracking of Ceramic Matrix composites.” High Temperature Structural Composites Program; DARPA/ONR. Leading investigator, 1986–1987, ($35k)
  2. “Revolutionary Physics-Based Design Tools for Quiet Helicopters.” Defense Advanced Research Project Agency (with Drs. Sankar, Brentner, Long, Menon, Morris, Ruffin, Smith, Gandhi), 2005–2006, ($2,400k)
  3. “Combat Search and Rescue (CSAR) Vertical Takeoff and Landing Gyrodyne Demonstrator Aircraft "HELIPLANE" Phase 1.” Defense Advanced Research Project Agency (with Drs. Schrage, Ahuja, Hodges, Komerath, Sankar), 2005–2006, ($1,200k)