Jinwei Shen, PhD Senior Research Engineer National Institute of Aerospace NASA Langley Research Center Hampton, Virginia phone: +1 757 864-9634 e-mail: , PGP public key

Research Interests

• Rotorcraft Aeromechanics
• Rotorcraft Comprehensive Analyses
• Multibody Dynamics
• Experimental Dynamics
• Vibration and Noise Control
• Wind and Renewable Energy

Publications and Presentations

Journal Papers

• "Performance of Swashplateless Helicopter Rotor with Trailing-Edge Flaps for Primary Flight Control"
  J. Shen, I. Chopra, and W. Johnson. Journal of the American Helicopter Society, Vol. 55, No. 4, October 2010, p. 9
• "Soft-Inplane Tiltrotor Aeromechanics Investigation Using Two Comprehensive Multibody Solvers"
  P. Masarati, D.J. Piatak, G. Quaranta, J.D. Singleton, and J. Shen. Journal of the American Helicopter Society, Vol. 53, No. 2, April 2008, pp. 179-192
• "Swashplateless Helicopter Rotor System with Trailing-Edge Flaps for Flight and Vibration Controls"
  J. Shen, M. Yang, and I. Chopra. Journal of Aircraft, Vol 43, No. 2, Apr-May 2006, pp. 346-352
• "Aeroelastic Modeling of Trailing-Edge-Flap Helicopter Rotors Including Actuator Dynamics "
  J. Shen, and I. Chopra. Journal of Aircraft, Vol 41, No. 6, Nov-Dec 2004, pp. 1465-1472
• "Swashplateless Helicopter Rotor with Trailing-Edge Flaps"
  J. Shen, and I. Chopra. Journal of Aircraft, Vol 41, No. 2, March-April 2004. pp. 208-214
• "A Parametric Design Study for a Swashplateless Helicopter Rotor with Trailing-Edge Flaps"
  J. Shen, and I. Chopra. Journal of the American Helicopter Society, Vol. 49, No. 1, January 2004, pp. 43-53
• "Aeroelastic Stability of Trailing-Edge Flap Helicopter Rotors"
  J. Shen, and I. Chopra. Journal of the American Helicopter Society, Vol. 48, No. 4, October 2003, pp. 236-243

Conference Papers

• "Preliminary Design and Evaluation of an Airfoil with Active Continuous Trailing-Edge Flap"
  Jinwei Shen, Robert P. Thornburgh, Andrew R. Kreshock, Matthew L. Wilbur, and Yi Liu
  In American Helicopter Society Future Vertical Lift Aircraft Design Conference, San Francisco, CA. January 18-20, 2012.
  presentation.
• "Multibody Dynamics Model of a VTOL Teetering Rotor"
  Jinwei Shen, Pierangelo Masarati, Jeremy Bain, and Todd Hodges
  In American Helicopter Society Aeromechanics Specialist's Conference, San Francisco, CA. January 20-22, 2010.
  presentation.
• "Rotorcraft Computational Model Development Utilizing Revision Control System"
  Jinwei Shen In American Helicopter Society System Engineering Specialist's Conference, Hartford, CT. October 15-16, 2009. (presentation only)
  
• "Modeling A Stiff-Inplane Tiltrotor Using Two Multibody Analyses: A Validation Study"
  Jinwei Shen, Pierangelo Masarati, Beatrice Roget, David J. Piatak, Mark W. Nixon, and Jeffrey D. Singleton
  In American Helicopter Society 64th Annual Forum Proceedings, Montreal, Canada, April 29 - May 1, 2008.
  presentation, presentation latex file (beamer class)
• "Stiff-Inplane Tiltrotor Aeromechanics Investigation Using Two Multibody Analyses"
  Jinwei Shen, Pierangelo Masarati, Beatrice Roget, David J. Piatak, Mark W. Nixon, and Jeffrey D. Singleton
  In ECCOMAS Multibody Dynamics 2007 Proceedings, Milan, Italy, June 25-28, 2007. presentation
• "Loads and Stability Analysis of an Unmanned Tilt Rotor"
  Matt Floros, Jinwei Shen, Myeong Kyu Lee, and Soojung Hwang
  In American Helicopter Society 62nd Annual Forum Proceedings, Phoenix, AZ, May 9-11, 2006.
• "Multibody Dynamics Simulation of a Tiltrotor UAV"
  Jinwei Shen, Matt Floros, Myeong Kyu Lee, and Jai Moo Kim
  In Proceedings of the 2nd International Basic Research Conference on Rotorcraft Technology. Nanjing, China, Nov. 7-9, 2005. (180kB file)
• "Soft-Inplane Tiltrotor Aeromechanics Investigation Using Two Multibody Analyses"
  P. Masarati, D.J. Piatak, G. Quaranta, J.D. Singleton, and J. Shen
  Presented at the 31^st ERF European Rotorcraft Forum, Firenze, Italy, September 13-15 2005.
• "Multibody Dynamics Simulation and Experimental Investigation of a Model-Scale Tiltrotor"
  Jinwei Shen, Jeffrey D. Singleton, David J. Piatak, and Olivier A. Bauchau.
  In American Helicopter Society 61st Annual Forum Proceedings, June 2005, Grapevine, TX. (558kB PDF file)
• "Actuation Requirements of Swashplateless Trailing-Edge Flap Helicopter Rotor in Maneuvering and Autorotation Flights"
  J. Shen, and I. Chopra.
  In American Helicopter Society 60th Annual Forum Proceedings, June 2004, Baltimore, MD. (160kB PDF file)
• "A Swashplateless Helicopter Rotor System with Trailing-Edge Flaps for Primary and Vibration Controls"
  J. Shen, I. Chopra., and M. Yang
  In Proceeding of the 45th AIAA/ASME/ASCE/AHS structures, structural dynamics, and materials conference, April 2004, Palm Springs, CA.
• "Performance of Swashplateless Ultralight Helicopter Rotor with Trailing-Edge Flaps for Primary Flight Control"
  J. Shen, I. Chopra, and W. Johnson.
  In American Helicopter Society 59th Annual Forum Proceedings, May 2003, Phoenix, AZ. (151kB PDF file)
• "Ultralight Helicopter with Trailing-Edge Flap for Primary Control"
  J. Shen, I. Chopra.
  In Proceedings of American Helicopter Society International Meeting on Advanced Rotorcraft Technology and Life Saving Activities, Tochigi, Japan, Nov 11-13, 2002. (136kB PDF file)
• "A Parametric Design Study for a Swashplateless Helicopter Rotor with Trailing-Edge Flaps"
  J. Shen, I. Chopra.
  In American Helicopter Society 58th Annual Forum Proceedings, June 2002, Montreal, Canada.
• "Actuation Requirements for a Swashplateless Helicopter Control System with Trailing-Edge Flaps"
  J. Shen, I. Chopra.
  In Proceeding of the 43rd AIAA/ASME/ASCE/AHS structures, structural dynamics, and materials conference and 10th AIAA/ASME/AHS adaptive structures conference, April 2002, Denver, CO.
• "Aeroelastic Stability of Smart Trailing-Edge Flap Helicopter Rotors"
  J. Shen, I. Chopra.
  In Proceeding of the 42nd AIAA/ASME/ASCE/AHS structures, structural dynamics, and materials conference and 9th AIAA/ASME/AHS adaptive structures conference, April 2001, Seattle, WA.
• "Aeroelastic Modeling of Trailing-Edge Flaps with Smart Material Actuators"
  J. Shen, I. Chopra.
  In Proceeding of the 41st AIAA/ASME/ASCE/AHS structures, structural dynamics, and materials conference and 8th AIAA/ASME/AHS adaptive structures conference, April 2000, Atlanta, GA. (298kB PDF file)

Presentations

• "A Swashplateless Helicopter Rotor System with Trailing-Edge Flaps for Primary and Vibration Controls"
  J. Shen, I. Chopra.Presented at the 10th ARO Workshop, November 3-5, 2003, Atlanta, GA.
• "Analysis of a Swashplateless Rotor with Smart Trailing-Edge Edge Flaps (Viewgraphes)"
  J. Shen, I. Chopra. Presented at the 9th ARO Workshop, October 22-24, 2001, Ann Arbor, MI. (269kB PDF file)
• "Coupled Aeroelastic Stability and Loads of a Trailing-Edge Flap Rotor with Smart Material Actuators" (Annotated Viewgraphes)
  J. Shen, I. Chopra. Presented at the AHS North-East Region National Technical Specialists' Meeting on Active Rotor Technology, October 2000, Bridgeport, CT. (1.5MB PDF file)
• "Aeroelastic Modeling of Trailing-Edge Flap Rotor with Smart Materials Actuation (Viewgraphes)"
  J. Shen, I. Chopra. Presented at the 8th ARO Workshop, October 17-20, 1999, University Park, PA. (197kB PDF file)

Dissertation

• Comprehensive Aeroelastic Analysis of Helicopter Rotor with
  Trailing-Edge Flap for Primary Control and Vibration Control
• • Abstract and Dissertation (2.6MB PDF file)

Other Information

• Most of my research works are done in the GNU/Linux environment. See my favorite software list.