Muhammad Hajj
Professor & Director of Graduate Studies
225-B Norris Hall
Blacksburg, VA 24061
540/231-4190
mhajj@vt.edu
Interests:
Reduced-order modeling, analysis, and identification of nonlinear systems with applications in fluid-structure interactions including ship motions, aeroelastic phenomena, and wind forces on structures, in transition to turbulence and atmospheric turbulence, in water waves and in structure's vibrations. Experimental Fluid Mechanics. Higher-order Spectral Analysis.
Education:
| 1990 | Ph.D., Civil Engineering, University of Texas at Austin |
| 1985 | M.Sc., Civil Engineering, University of Texas at Austin |
| 1983 | B.E., Civil Engineering, American University of Beirut |
Honors & Awards:
| 2008 | Invited Paper at the International Conference on Condition Monitoring and Machinery Failure Prevention Technologies, July 15-18, Edinburgh, Scotland |
| 2006 | AFRL/WP Summer Faculty Research Fellowship |
| 2002 | 1st place, 2002 NASA LaRC NFFP Final Presentations Competition |
| 1999 | Associate Editor: Journal of Fluid Engineering, ASME, January 1999 – December 2001 |
| 1998 | Associate Editor: Journal of Engineering Mechanics, ASCE, November 1998 – October 2000 |
| 1998 | Chairman (98-00): Turbulence Committee, Engineering Mechanics Division, ASCE |
| 1997 | Member, 29th Joint US-Japan Panel on Seismic and Wind Effects |
| 1996 | Organizing Secretary: Third International Colloquium on Bluff Body Aerodynamics and Applications (BBAA III), Virginia Tech, Blacksburg, VA, July 28 - August 1, 1996 |
Professional Service:
University (VT) Committees:
2006 – 2008 President: Executive Committee of Engineering Faculty Organization
2007 – 2009 Chair: ESM Faculty Search Committee
2007 – 2008 Chair: ESM Promotion and Tenure Committee
2005 – 2007 Chair: ESM Strategic Planning Committee
2007 – 2010 University Budget and Planning Committee
2007 - 2010 University P&T Committee
Associate Editor: Journal of Fluid Engineering, ASME, January 1999 – December 2001
Associate Editor: Journal of Engineering Mechanics, ASCE, November 1998 – October 2000
Organizing Secretary: Third International Colloquium on Bluff Body Aerodynamics and Applications (BBAA III), 181 papers from 35 countries, Virginia Tech, Blacksburg, VA, July 28 - August 1, 1996
Conference Chair: 18th Engineering Mechanics Division Conference of the American Society of Civil Engineering, Virginia Tech, Blacksburg, VA, June 3- 6, 2007
Technical Program Chair: 2009 Joint ASCE-ASME-SES Conference on Mechanics and Materials, Virginia Tech, Blacksburg, VA, June 24- 27, 2009
Regional Secretary (USA): Fourth International Colloquium on Bluff Body Aerodynamics and Applications (BBAA IV), Ruhr-Universitat Bochum, Germany, September 11-14, 2000
Steering Committee Member: Fourteenth Engineering Mechanics Conference (EM 2000) The University of Texas at Austin, Austin, Texas, May 21-24, 2000
Lead Scientist (USA): Fifth World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics (ExHFT-5), Thessaloniki, Greece, September 24-28, 2001
International Advisory Committee Member: Fourth Symposium on Environmental Effects on Buildings and People – Actions, Influences, Interactions, Discomfort, Susiec, Poland, June 16-18, 2004
International Advisory Committee Member: Fifth International Colloquium on Bluff Body Aerodynamics and Applications (BBAA V), Ottawa, Canada, July 11-16, 2004
Lead Scientist (USA): Sixth World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics (ExHFT-6), Miyagi, Japan, April 17 – 21, 2005
Member of Scientific Committee: The Eighth International Congress of Fluid Dynamics and Propulsion (ICFDP 8), Sharm El-Shiekh, Sinai, Egypt, December 14 – 17, 2006
Member of Scientific Committee: The International Conference on Advances in Mechanical Engineering and Mechanics (ICAMEM 2006), Hammamet, Tunisia, December 17 – 19, 2006
Member of Scientific Committee: The International Conference on Advances in Mechanical Engineering and Mechanics (ICAMEM 2008), Sousse, Tunisia, December 16 – 18, 2008
Lead Scientist (USA): Seventh World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics (ExHFT-7), Krakow, Poland, June 28 – July 3, 2009
Member: 29th UJNR Panel on Seismic and Wind Effects
Control Group Member, vice-chairman (96-98) and chairman (98-00): Turbulence Committee, Engineering Mechanics Division, ASCE
Chairman, Education Committee, Engineering Mechanics Institute, ASCE
Recent Publications:
- G.G. Bordonaro, M.R. Hajj, A.H. Nayfeh, B. Hammad and J.C. Duke, Parameter Sensitivities to Damage Initiation in a Beam-Mass Systems, AIAA-2008-2165, 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 7-10, 2008
- C.C. Chabalko, M.R. Hajj and W.A. Silva, Nonlinear Response Characteristics of the Flexible HSCT Semispan Model Over Different Flight Regimes, AIAA-2008-2019, 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 7-10, 2008
- A.H. Nayfeh, M.R. Hajj, S.A. Nayfeh, C.C. Chabalko and P.S. Beran, A Reduced-order Model for LCO Dependence on Mach Number in F16 Flight Tests, AIAA-2008-1755, 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, IL, April 7-10, 2008
- M.R. Hajj, G.G. Bordonaro, A.H. Nayfeh and J.C. Duke, Damage Detection in Structures through Nonlinear Excitation and System Identification, Proc. SPIE 6935, 69350Q, 2008
- C.C. Chabalko, M.R. Hajj and W.A. Silva, Interrogative Testing for Nonlinear Identification of Aeroelastic Systems, Aerospace Letters, AIAA Journal, 46:11, 2657-2658, 2008
Full listing
CoursesTaught:
| ESM 3024 | Intro Fluid Mechs | Fall 2009 |
| ESM 4004 | Instr & Exp Mechanics | Spring 2009 |
| ESM 5944 | Seminar | Spring 2009 |
| ESM 3024 | Intro Fluid Mechs | Fall 2008 |
| ESM 4004 | Instr & Exp Mechanics | Spring 2008 |
| ESM 5944 | Seminar | Spring 2008 |
| ESM 5994 | Research and Thesis | Spring 2008 |
| ESM 7994 | Research and Dissertation | Spring 2008 |
| ESM 3024 | Intro Fluid Mechs | Fall 2007 |
| ESM 5994 | Research and Thesis | Fall 2007 |
| ESM 7994 | Research and Dissertation | Fall 2007 |
| ESM 4004 | Instr & Exp Mechanics | Spring 2007 |
| ESM 5994 | Research and Thesis | Spring 2007 |
| ESM 6984 | SS: Digti Time Series Nonlinear | Spring 2007 |
| ESM 7994 | Research and Dissertation | Spring 2007 |
| ESM 3024 | Intro Fluid Mechs | Fall 2006 |
| ESM 4004 | Instr & Exp Mechanics | Spring 2006 |
| ESM 3024 | Intro Fluid Mechanics | Fall 2005 |
| ESM 3016 | Fluid Mechanics I, II | Spring 2005 |
| ESM 3024 | Intro Fluid Mechanics | Fall 2004 |
| ESM 6984 | SS:Turbulence | Fall 2004 |
| ESM 4004 | Instr & Exp Mechanics | Spring 2004 |
| ESM 3024 | Intro Fluid Mechanics | Fall 2003 |
| ESM 5944 | Seminar | Fall 2003 |
Department of Engineering Science and Mechanics
225 Norris Hall (0219), Blacksburg, VA 24061
Phone: 540/231-6651
Fax: 540/231-4574
Send comments to: webadmin@www.esm.vt.edu