Schmitz, Fredric | A. James Clark School of Engineering, University of Maryland

Faculty Directory

Schmitz, Fredric

Schmitz, Fredric

Senior Research Professor
Aerospace Engineering
3160 Glenn L. Martin Hall

EDUCATION

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

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)

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

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.

  • Fellow