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Schmitz, Fredric

Schmitz, Fredric
Senior Research Professor
Department of Aerospace Engineering
3160 Glenn L. Martin Hall
Email: 
Phone: 
301-405-0318

Research Interests 

Research in V/STOL Aeroacoustics, Low Speed Aerodynamics, and Vehicle Dynamic Performance.

Education 

B.AE., Rensselear Polytechnic Institute
M.S., Princeton University
Ph.D., Princeton University

Selected Publications 

Journal Articles

  • Schmitz, F.H., Sim, B.W., “Radiation and Directionality Characteristics of Advancing Side Blade-Vortex Interaction (BVI) Noise,” Journal of the American Helicopter Society, October 2003.
  • Schmitz, F.H., Sim, B.W., “Acoustic Phasing and Amplification Effects of Single Rotor Helicopter Blade-Vortex Interactions”, Journal of the American Helicopter Society, Vol. 46, No. 4, October 2001.
  • Schmitz F.H., Aggarawal, H.R. and Boxwell, D.A., “Prediction and Measurement of Low-Frequency Harmonic Noise of a Hovering Model Helicopter Rotor”, Journal of Aircraft, Volume 37, Number 5, pp. 786-795, Sept.-Oct. 2000.

Conferecne Proceedings

  • Gopalan, G., Xue, M., Atkins, E., Schmitz, F.H., “Longitudinal-Plane Simultaneous Non-Interfering Approach for Noise Minimization,” presented at the American Helicopter Society Annual Forum and Technical Display, Mesa, AZ.
  • Radhakrishnan, A. and Schmitz, F.H., “An Experimental Investigation of a Quad Tilt Rotor in Ground Effect,” AIAA #003-3517, presented at the 21st Applied Aerodynamics Conference, 23-26 June 2003, Orlando, FL.
  • Gopalan, G. and Schmitz, F.H., “A Sensitivity Analysis of the Quasi-Statis Acoustic Mapping of Helicopter Blade-Vortex Interaction (BVI). Noise during Slowly Maneuvering,” presented at the AIAA Aeroacoustics Conference, Hilton Head, SC.
  • Gervais, M. and Schmitz, F.H., “Tiltrotor BVI Noise Abatement Using Flight Trajectory Management & Aircraft Configuration Control,” AIAA paper No. 2003-5409, presented at the AIAA 2003 Guidance, Navigation and Control Conference, Austin, TX.
  • Gopalan, G., Schmitz, F.H., Sim, B.W., “Flight Path Control Methodology of Helicopter Blade-Vortex Interaction (BVI) Noise in the Presence of Wind,” presented at the American Helicopter Society Annual Forum, Washington, DC, May 2001.
  • Gervais, M., (Schmitz, F.H., Advisor), “Tiltrotor Blade-Vortex Interaction (BVI) Noise Control Through Non-Unique Longitudinal Force Trim” Symposium on Vertical Lift, University of Texas, Arlington, TX, April 2001.
  • Gervais, M., (Schmitz, F.H., Advisor), “Tiltrotor Blade-Vortex Interaction (BVI) Noise Control Through Non-Unique Longitudinal Force Trim” American Helicopter Society Annual Forum, Washington, DC, May 2001 (Lichten Award Winner).
  • Gervais, M., (Schmitz, F.H., Advisor), “Tiltrotor Blade-Vortex Interaction (BVI) Noise Control Through Non-Unique Longitudinal Force Trim” special invitation at European Rotorcraft Forum, Moscow, Russia, September, 2001.
  • Schmitz, F.H., “Helicopter Noise – Reduction & Control", presented at a special invited seminar for the Japan Chapter of the American Helicopter Society, Tokyo, Japan, January, 2001.
  • Schmitz, F.H., “Non-unique Control of Rotorcraft for BVI Noise Reduction,” seminar presented at a special session of the American Helicopter Society’s Annual Forum, May 2001.
  • Schmitz, F.H., Gopalan, G., and Sim, B.W., “Flight Trajectory Management to Reduce Helicopter Blade-Vortex Interaction (BVI) Noise with Head/Tailwind Effects,” presented at the 26th European Rotorcraft Forum, The Hague, The Netherlands, September 2000.
  • Sim, B.S. and Schmitz, F.H., “Blade-Vortex Interaction (BVI) Noise: Retreating Side Characteristics, Sensitivity to Chordwise Loading and Unsteady Aerodynamics,” presented at the AHS Aeromechanics Specialist’s Meeting, Atlanta, GA, November 2000.
  • Schmitz, F.H., “Non-unique Control of Rotorcraft for BVI Noise Reduction,” seminar presented to Bell Helicopter, August 20, 2000.

Professional Memberships 

  • American Institute of Aeronautics and Astronautics, AIAA (Associate Fellow)
  • American Astronautical Society, AAS
  • Institute of Electrical and Electronics Engineers, IEEE
  • American Society of Engineering Education, ASEE
  • American Helicopter Society International, AHS (Technical Fellow)

Related News 

Remembering Dr. Gaurav Gopalan

The Clark School Mourns the Loss of a Valued Alumnus and Colleague September 23, 2011