Department of Mechanical Engineering

Dan Inman


Dan Inman


Goodson Professor
Director, Center for Intelligent Material Systems & Structures

310 Durham Hall
540-231-4709
540-231-2903- FAX
dinman@vt.edu



Education Research
Teaching
Experience
Honors
Publications


Education

Ph.D. Mechanical Engineering Michigan State University 1980
M.A.T. Physics Michigan State University 1975
B.S. Physics Grand Valley State College 1970

 

Research

  • Solving Vibration and Control Problems Using Smart Structures
  • Energy Harvesting (AFOSR/Acellent Technologies/ Extreme Diagnostics, Inc):
    -   The use of smart materials to capture ambient energy for use in small electronics and     wireless sensors
    -  Methods focus on harvesting vibration and thermal energy using piezoelectric,  thermal     electric and photovoltaic materials and devices

  • Morphing Aircraft Structures
    -   Modeling and control theory of changing wing properties for flight and mission control
    -   Using smart materials for adaptive control surfaces for flight

  • Dynamics of Cable Harnessed Satellites (AFOSR):
     -  Vibration modeling including the wiring of satellites

  • Smart Materials and Structural Health Monitoring (DoE/Extreme Diagnostics):
    -   Use of monitoring techniques with smart materials for wireless damage assessment

  • Bio Inspired Sensor Nodes (ONR)

    -   Use of piezoceramic based composite actuators to simulate the motion of a jellyfish to serve as a base for sensor buoys

Projects in CIMSS are funded by the Office of Naval Research, the Air Force Office of Scientific Research, NIST, NASA and the National Science Foundation.  CIMSS also houses the newly created Center for Energy Harvesting Materials and Systems, and NSF and corporate sponsored center looking at various energy harvesting problems in concert with member corporations.  There 5 faculty and about 40 graduate students in CIMSS.

Center for Intelligent Material Systems and Structures web site: www.cimss.vt.edu

Center for Energy Harvesting Materials and Systems web site: http://cehms.mse.vt.edu/

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Teaching Activities

  • ME 5514 Vibration of Mechanical Systems: This course continues the study of the dynamics of mechanical systems started in the required undergraduate course ME 3504. This course will investigate multiple degree-of-freedom and continuous systems. Eigenvalue-vector, steady-state, and transient response will be treated. Lagrangian methods for equation of motion development as well as an introduction to nonlinear and random vibrations are included. Pre: 3504. (or equivalent)(3H,3C) I.
  • ME 5984 Smart Structures
  • ME 3504 Dynamic System Vibration: Principles of dynamic system modeling with emphasis on second order mechanical systems. Harmonic and nonharmonic vibrations of single and multi-degree of freedom systems. Applications of computer simulation and analysis techniques in vibrations. Pre: MATH 2214, ESM 2304. (3H,3C). II,III.
  • ME 5984 Advanced Engineering Vibrations
  • Independent Study (5-10 offerings per year on vibration and control)
  • Undergrad Statics
  • Undergrad Dynamics

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Experience

(Selected)

G. R. Goodson Endowed Professor Dept. of Mechanical Engineering
Virginia Tech
Blacksburg, VA		 1998 - Present
Director of CIMSS Dept. of Mechanical Engineering
Virginia Tech
Blacksburg, VA		 1997 - Present
Samuel Herrick Endowed Professor Dept. of Mechanical Engineering
Virginia Tech
Blacksburg, VA		 1992 - 1998
Director, Mechanical Systems Lab Dept. of Mechanical Engineering
Virginia Tech
Blacksburg, VA		 1992 - 1997
Director, Mechanical Systems Lab Department of Mechanical & Aerospace Engineering
State University of New York at Buffalo
1984 - 1992
Professor Department of Mechanical & Aerospace Engineering
State University of New York at Buffalo
1987 - 1992
Chair Department of Mechanical & Aerospace Engineering
State University of New York at Buffalo
1989 - 1992
Founder and President Garman Systems Inc. 1987 - 1996

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Honors

  • The 2009 Structural Health Monitoring Lifetime Achievement Award, awarded September 2009
  • The 2009 Dean’s Award for Excellence in Research, Virginia Tech, awarded April 2009
  • Awarded the Brunel Chair in Intelligent Materials and Structures 2009-2011, University of Bristol, UK
  • Awarded Honorary Professorship, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China, Awarded June 2009
  • Awarded the ME Alumni Award, Department of Mechanical Engineering, Michigan State University, Awarded May 2008
  • Awarded the 2007 ASME/Boeing Best Paper Award, ASME Aerospace Division's Structures and Materials Technical Committee, Awarded April 2008
  • Awarded the 2007 J.P. Den Hartog Award by the ASME Technical Committee on Vibration and Sound, Awarded September 2007
  • Awarded the 2007 DeMichele Award of the Society for Experimental Mechanics, Awarded February 2007

  • The SPIE 2003 Smart Structures and Materials Achievement Award, awarded March 2003

  • ASME AIAA SDM Best Paper Award, April 2001

  • ASME 2000 Adaptive Structures and Material Systems Prize (awarded April 2000)

  • ASME Distinguished Lecturer, 1995-2004

  • Fellow of the National Institute of Aerospace (awarded 2004)

  • Fellow of the American Institute of Aeronautics and Astronautics (awarded 2002)

  • Fellow of the International Institute of Acoustics and Vibration (IIAV) (awarded 1999)

  • Fellow of the American Academy of Mechanics (awarded 1997)

  • Fellow of the American Society of Mechanical Engineers (awarded 1990)
  • Presidential Young Investigator, 1984-1989 (awarded by President Ronald Reagan and administered by the National Science Foundation)

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Publications

  • Inman, D.J., Engineering Vibration, Prentice Hall, 1994, 1996 (7th printing in 1999); Second Edition, August 2000(9th printing in 2006); Korean edition, January 2003; Third edition, 2007.

  • Karami, M. A., and Inman, D. J., “Analytical Modeling and Experimental Verification of the Vibrations of the Zigzag Micro-Structure for Energy Harvesting”, ASME Journal of Vibration and Acoustics, February, 2011, Vol 133, No 1 011002 (10 pages) doi:10.1115/1.4002783

  • De Marqui, Jr., C., Vieira, W.G.R, Erturk, A., and Inman, D.J., “Modeling and Analysis of Piezoelectric Energy Harvesting from Aeroelastic Vibrations Using the Doublet-Lattice Method,”  ASME Journal of Vibration and Acoustics, February 2011 --  Volume 133,  Issue 1, 011003 (9 pages) doi:10.1115/1.4002785

  • Bilgen,O., Kochersberger, K. B., Inman, D. J., 2011, "Macro-Fiber Composite Actuators for Flow Control of a Variable Camber Airfoil", Journal of Intelligent Material Systems and Structures, Volume 22 Issue 1, pp 81-91.

  • Salehian, A., and Inman, D. J., 2011, “Induced Oscillations of an Inflatable Space Structure with a Repeated Element Pattern”, International Journal of Acoustics and Vibrations, Vol. 16, No. 1, pp. 1-10.

  • De Marqui, C., Erturk, A*. and Inman, D. J., “Piezo-aero-elastic modeling and analysis of a generator wing with continuous and segmented electrodes", Journal of Intelligent Material Systems and Structures, July, 2010, Vol. 21, No. 10, pp. 983-993.

  • Erturk, A., and Inman, D.J., “Broadband piezoelectric power generation on high-energy orbits of the bistable Duffing oscillator with electromechanical coupling”, Journal of Sound and Vibration doi:10.1016/j.jsv.2010.11.018.

  • Stanton, S. C., Erturk, A., Mann, B. P., and Inman, D. J., 2010, “Resonant Manifestation of Intrinsic Nonlinearity within Electroelastic Micropower Generators”, Journal of Applied Physics, 97, 254101

  • Bilgen, O.*, Erturk, A*. and Inman, D. J., 2010.  “Analytical and Experimental Characterization of Macro-Fiber Composite Actuated Thin Clamped-Free Unimorph Benders”, ASME Journal of Vibration and Acoustics, Vol. 132, Number 5 Oct 2010, DOI: 10.1115/1.4001504.

  • Stanton, S. C., Erturk, A., Mann, B. P., and Inman, D. J., “Nonlinear Piezoelectricity in Electroelastic Energy Harvesters: Modeling and Experimental Identification”, Journal of Applied Physics, Vol 108, 074903, 2010

  • Karami, A. M, and Yardimoglu, B., Inman, D. J., 2010, "Coupled out of plane vibrations of spiral beams for micro-scale Applications" Journal of Sound and Vibration, Vol 329, pp  5584–5599.

    .

  • Bilgen, O., Di Marqui, C., Kochersberger, K.B. , and Inman, D. J., “Piezoceramic Composite Actuators for Flow Control in Low Reynolds Number Airflow”, Journal of Intelligent Material Systems and Structures, August,  2010, Vol. 21, DOI10.1177/1045389X10381656.

  • Bilgen, O., Kochersberger, K. B., Inman, D. J., and Ohanian, O. J. ,2010, “Lightweight High Voltage Electronic Circuits for Piezoelectric Composite Actuators”, Journal of Intelligent Material Systems and Structures, Volume 21 Issue 14,DOI: 10.1177/1045389X10381657, pp. 1417- 1426.

  • Dao, Z*., Ha, D. S. and Inman, D. J., 2010,  “Ultra Low-Power Active Wireless Sensor for Structural Health Monitoring”, Smart Structures and Systems, Vol. 6, No. 5-6, pp. 675-687.

  • Lallart, M. and  Inman, D. J., 2010, " Low-Cost Integrable Tuning-Free Converter for Piezoelectric Energy Harvesting Optimization",  IEEE Transactions on Power Electronics, Volume: 25, Issue: 7 pp 1811 to 1819.

  • Priya, S. and Inman, D.J., editors, 2008, Energy Harvesting Technologies, Springer Science + Business Media, Inc. Norwell, Ma. (2008)
  • Mahmoodi, S.M., Ahmadian, A., and Inman, D.J., "Adaptive Modified Positive Position Feedback for Active Vibration Control of Structures," Journal of Intelligent Material Systems and Structures, Vol. 21, No. 6. DOI 10.1177/10453899X093616231(vol.21 pp. 571-580) (2010)
  • Salehian, A. and Inman D.J., "Micropolar Continuous Modeling and Frequency Response Validation of a Lattice Structure," ASME Journal of Vibration and Acoustics, Vol. 132, Iss.1.DOI: 10.1115/1.4000472(13 January 2010)
  • Kong, N*., Erturk, A*., Ha,D.S. and Inman, D.J., "Resistive Independence Matching Circuit for Piezoelectric Energy Harvesting," Journal of Intelligent Material Systems and Structures, DOI: 10.1177/1045389X09357971, 10 pages, (January 2010)
  • Daghai, F., Viola, E., Ubertini, F. and Inman D.J., "Active Shape Change of an SMA Hybrid Composite Plate," Smart Structures and Systems, An International Journal, Vol.6 No. 2, (2010)
  • Lallart, M., Inman, D.J., and Guyomar, D., "Transient Performance Analysis of Energy Harvesting Strategies," Journal of Intelligent Material Systems and Structures, DOI: 1045389X09358334v1. (2010)
  • Inman, D.J., and Wereley, N.M., "How Long Does it Take to Publish a Paper?," Journal of Intelligent Material Systems and Structures, Vol. 21, p. 123. (January 2010)
  • Grisso, B.L*., and Inman, D.J., "Temperature Corrected Sensor Diagnostics for Impedance-Based SHM," Journal of Sound and Vibration, Vol. 329, No. 12 pp. 2323-2336 (June 7, 2010)
  • Bilgen, O*, Kochersberger, K., Inman, D.J., and Ohanian, O.J., "Micro-fiber Composite Actuated Simply-Supported Thin Airfoils." Smart Materials and Structures, Vol. 19, No.5, DOI: 10.1088/0964-1726/19/5/055010, 11 pages (2010)
  • Bilgen, O*., Kochersberger, K.B., Ohanian*, O.J., and Inman D.J., "Novel, Bidirectional, Variable-Chamber Airfoil via Macro-Fiber Composite Actuators," AIAA Journal of Aircraft, Vol. 47, No. 1, pp. 303-314. (2010)
  • Anton, S.A., Park, G. and Inman, D.J., "Reference-Free Damage Detection Using Instantaneous Baseline Measurements," AIAA Journal, Vol. 47, No. 8, pp. 1952-1964. (2009)
  • Adhikari, S. Friswell, M.I., and Inman, D.J., "Piezoelectric Energy Harvesting from Broadband Random Vibrations," Smart Materials and Structures, Vol. 18, No. 11, 7 pages, DOI: 10.1088/0964-1726/18/11/115005. (2009)
  • Erturk, A., Hoffman, J., and Inman, D.J., "Limit Cycle Oscillations of a Piexo_magneto-Elastic Structure for Broadband Piezoelectric Energy Harvesting," Applied Physics Letters, 94,254102_2009_June 2009, DOI: 10.1063/1.3159815. (June 2009)
  • Bilgen, O., Kochersberger,K.B., and Inman, D.J., "Macro-Fiber Composite Actuators for a Swept Wing Unmanned Aircraft," RAES Aeronautical Journal, Vol. 113, No. 1144. (2009)
  • Ruggiero, E.J., and Inman, D.J., "Modeling and Vibration Control of an Active Membrane Mirror," Smart Materials, (In Press 2009)
  • De Marqui,Jr., Carlos, Erturk, Alper, and Inman, D.J., "An Electromechanical Finite Element Model for Piezoelectric Energy Harvester Plates," Journal of Sound and Vibration, DOI: 10.1016/j/jsv.2009.05.015. (2009)
  • Salehian, A., and Inman, D.J., "Frequency Response Validation of a Micro-Polar Continuous Model of a Lattice with Application to the Inflatable Space Structures," ASME Journal of Vibration and Acoustics. (In press, 2009)
  • Sodano, H.A., and Inman, D.J., "Development of an Automated Eddy Current Structural Health Monitoring Technique with Extending Sensing Region," International Journal of Structural Health Monitoring. (In Press, 2009)
  • Seigler, T.M., Venkatesan, N., and Inman, D.J., "An Approach to Force-Feedback Control with Traveling Wave Ultrasonic Motor," Journal of Intelligent Material Systems and Structures," Vol. 20, No. 12. pp. 1393-1400. (2009)
  • Renno, J.M., Daqaq, M.F., and Inman, D.J., "On the Optimal Energy Harvesting from a Vibration Source," Journal of Sound and Vibration, Vol. 320 No. 1-2, pp. 386-405. (2009)
  • Lee, B.L. and Inman, D.J., "Multifunctional Materials and Structures for Autonomic Systems," Proceedings of the Institution of Mechanical Engineers, Part I, Journal of System and Control Engineering, Vol. 223, No. 4 pp. 431-433, DOI: 10.1243/09596518JSCE748. (2009)
  • Tarazaga, P.A, Halevi, Y., and Inman, D.J., " Modified Quadratic Compression Method for Mass and Stiffness Updating," Mechanical Systems and Signal Processing, Vol.23, Issue 6, pp. 1771-1783. (August 2009)
  • Tornabene, F., Viola, E. and Inman, D.J. "2-D Differential Quadrature Solution for Vibration Analysis of Functionally Graded Conical Shell and Annular Plate Structures," Journal of Sound and Vibration, Vol. 328, Issue 3, pp. 259-290. (December 3, 2009)
  • Erturk, A. and Inman, D.J., "An Experimentally Validated Bimorph Cantilever Model for Piezoelectric Energy Harvesting from Base Excitations," Smart Materials and Structures, Vol. 18, 025009, 18 pages. (2009)
  • Renno, J.M., and Inman, D.J., " Modeling and Control of a Membrane Mirror Strip Actuated Using Single Piezoelectric Bimorph," Journal of Vibration and Control, Vol. 15, No. 3, pp. 391-414. (2009)
  • Erturk, A., Renno, J. and Inman, D.J., " Modeling of Piezoelectric Energy Harvesting from an L-Shaped Beam-Mass Structure with an Application to UAV's," Journal of Intelligent Material Systems and Structures, Vol. 20, No.5, pp. 539-544. (2009)
  • Erturk, A., Tarazaga, P.A., Farmer, J.R., and Inman, D.J., " Effect of Strain Nodes and Electrode Configuration on Piezoelectric Energy Harvesting from Cantilevered Beams," ASME Journal of Vibration and Acoustics, Vol. 131, No. 1, pp. 011010-1-011010-11. (2009)
  • Allison, T.C., Miller, A.K., and Inman, D.J., "A Time-Varying Identification Method for Mixed Response Measurements," Journal of Sound and Vibration, Vol. 319, No. 3-5, pp. 850-868. (2009)
  • Renno, J.M., Inman, D.J., and Chevva, K.R.,"Nonlinear Control of a Membrane Mirror Strip Actuated Axially and in Bending," AIAA Journal, Vol. 47, No. 3, pp. 484-493. (2009)
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