Department of Mechanical Engineering

Martin Johnson


Martin Johnson


Associate Professor

143 Durham Hall
540-231-4797
540-231-8836- FAX



Education Research
Teaching
Experience
Honors
Publications


Education

Ph.D. Engineering Acoustics and Vibration Institute of Sound and Vibration Research
University of Southampton 		1996
B.E. Engineering Acoustics and Vibration Institute of Sound and Vibration Research
University of Southampton 		1992

 

Research

  • Passive and Active Control of Sound Transmission into Rocket Payload Compartments

  • Vibration Isolation of Underwater Propulsion Systems

  • Virtual Audio Showroom

  • Virtual Acoustic Prototyping

  • Analysis of Advanced Engineered Acoustic Materials

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Teaching Activities

  • ME 3504 Dynamic Systems- Vibrations: Principles of dynamic system modeling with emphasis on second order mechanical systems. Harmonic and nonharmoic vibrations of single and multi-degree of freedom systems. Applications of computer simulation and analysis techniques in vibrations. Pre: ESM 2304, MATH 2214. (3H, 3C) II, III.
  • ME 4504 Dynamic Systems- Controls Engineering I: Fundamentals of feedback control theory, classical analysis and design techniques for automatic controls, introduction to modern control theory. Pre: 3504. (3H, 3C) I.

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Experience

Associate Professor Dept. of Mechanical Engineering
Virginia Tech
Blacksburg, VA		 2005 - Present
Assistant Professor Dept. of Mechanical Engineering
Virginia Tech
Blacksburg, VA		 1999 - 2005
Research Associate Vibration and Acoustic Labs
Virginia Tech
Blacksburg, VA		 1997 - 1999
Research Fellow Institute of Sound and Vibration Research
Virginia Tech
Blacksburg, VA		 1996 - 1997
Research Assistant Institute of Sound and Vibration Research
Virginia Tech
Blacksburg, VA		 1992 - 1996

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Honors

  • Awarded College of Engineering Faculty Fellowship April 2006

  • Dean’s List for teaching excellence for Spring 05

  • Invited Keynote speaker ACTIVE 2006: Marty Johnson, “How big is you head? A discussion of system complexity, active control, inverse problems and acoustic arrays,” Keynote paper: ACTIVE 2006, Adelaide Australia, Sept 2006

  • Invited paper: Marty Johnson, Brad Batton*, Haisam Osman and Chris Fuller, “Controlling Shock Propagation in Struts Using Cylindrical Distributed Vibration Absorbers,” Invited Paper: Proceedings of the Thirteenth International Congress on Sound and Vibration, Vienna, Austria, July 2006.


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Publications

Journal Papers

  • Simon Esteve* and Marty Johnson, “Adaptive Helmholtz resonators and passive vibration absorbers for cylinder interior noise control,” Journal of Sound and Vibration, Vol. 288,pp 1105-1130, (2005)

  • Michael Ermann and Marty Johnson, “Exposure and Materiality of the Secondary Room and Its Impact on the Impulse Response of Coupled-Volume Concert Halls,” Journal of Sound and Vibration, Journal of Sound and Vibration, Vol. 284 (3-5), pp 915-931 (June 2005)

Conference Papers

  • Jamie Carneal, Marty Johnson and Philip Gillett*, “Comparison of a Diffracting and a Non-Diffracting Circular Acoustic Array,” ICCASP 06, May 2006, Toulouse France

  • Marty Johnson and Edward C. Diggs*, “Development of an analog controller for tuning an adaptive-passive control device,” paper #82879 ASME 2005 International Mechanical Engineering Congress, Orlando, FL (Nov 2005)


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