Mohammad A. AL-Shudeifat Current address Khalifa University Abu Dhabi, 127788 Tel: (050) 520 3474496 Email: mohd.shudeifat@kustar.ac.ae EDUCATION Doctorate of Philosophy, Mechanical Engineering, August – 2010. New Mexico State University (NMSU), Las Cruces, NM, USA. Dissertation: “New Techniques for Order Reduction and Damage Detection in Structural and Rotordynamic Systems” Advisor: Dr. Eric A. Butcher, Co-Advisor: Prof. Thomas D. Burton Master of Science, Mechanical Engineering, December–2007. New Mexico State University (NMSU), Las Cruces, NM, USA. Master of Science, Mechanical Engineering, June 2000 Jordan University of Science & Technology (JUST), Irbid, Jordan Bachelor of Science, Mechanical Engineering, June 1996 University of Jordan (JU), Amman, Jordan CURRENT POSITION Assistant Professor, Aerospace Engineering, Khalifa University of Science Technology and Research, Abu Dhabi, UAE. Joined on July 7th 2012. PREVIOUS POSITIONS (After Ph.D) Post-doctoral research fellow with Prof. Alex Vakakis and Prof. Lawrence Bergman, Department of Mechanical Science and Engineering, Linear and Nonlinear Dynamics and Vibrations Laboratory, University of Illinois at Urbana – Champaign (UIUC). Feb. 2011- July 2012. College assistant professor for Fall 2010, Mechanical & Aerospace Engineering Department, New Mexico State University, Las Cruces, NM, USA. Courses: 2 classes in thermodynamics, 1 class in Aircraft Structure. Aug. 2010-Dec. 2010 PREVIOUS RELATED ACADEMIC EXPERIENCE 01/2008-08/2010 Research assistant, Dept. of Mechanical and Aerospace Engineering, New Mexico state University, Las Cruces, NM. 08/2006-01/2008 Teaching assistant, Dept. of Mechanical and Aerospace Engineering, New Mexico state University, Las Cruces, NM. 02/2004-08/2006 Full-Time Instructor, Mechanical Engineering Department, Jordan University of Science and Technology, Irbid, Jordan . Courses Taught: Engineering Economy, Engineering Drawing Using AutoCAD, Engineering Drawing (Manual), Mechanical Engineering Labs, Engineering Workshops. 02/2002-02/2003 Part-Time Instructor, Mechanical Engineering Department, Jordan University of Science and Technology, Irbid, Jordan. Courses Taught: Applied Mathematics for Engineers, Engineering Drawing Using AutoCAD, Mechanical Engineering Labs, and Engineering Workshops. 02/2001-02/2002 Part-Time Instructor, Mechanical Engineering Department, Jordan University of Science and Technology, Irbid, Jordan. Courses Taught: Engineering Drawing Using AutoCAD. 09/1997-06/2000 Teaching Assistant, Mechanical Engineering Department, Jordan University of Science and Technology, Irbid, Jordan. Courses assisted: Dynamics, Mechanical Vibration, Engineering Drawing, Fluid Mechanics, Instrumentation Lab, Heat & Mass Transfer Lab, Mechanical Vibration Lab and Internal Combustion Lab. PREVIOUS RELATED PROFESSIONAL EXPERIENCE 06/2008 – 12/2008 An Integrated Phenomenological and Physics-Based Framework for Multi-Sensor Vibration Analysis, Air Force/Management Science Inc. (SBIR), June 1, 2008 - Dec. 1, 2008. Preparing the Spectra-Quest Rotor Dynamics Simulator (MFS-RDS) and doing the analytical and experimental part. 05/2007 – 08/2007 Testing trap-grease oil in 150 (kW) gas turbine unit, Dept. of Mechanical and Aerospace Eng. NMSU. 05/1997 – 05/2004 Operations and Maintenance Engineer, Central Electricity Generation Company (CEGCO), Jordan-Amman (7 years). Locations: Risha Gas Turbine Power Station, frame 6 (30 MW) Gas Turbines, natural gas fuel, mark 2 and 5 speedtronic. Rehab Gas Turbine Power Station; frame 6 (30MW) and frame 9 (100MW) Gas Turbines, diesel fuel, mark 5 speedtronic. HONORS/AFFILIATIONS Mechanical Engineering Fellowship (NMSU), fall 2009 & spring 2010 Research assistantship (NMSU), Jan 2008- present Teaching assistantship (NMSU), Aug 2006- Jan 2008 Graduate assistantship award 2007 and 2008, New Mexico State University Best Invention Award, Granted by Philadelphia University, Amman, Jordan, July 2004 MEMBERSHIPS & COMMUNITY SERVICES ASME member Reviewer for: Journal of Sound and Vibration Nonlinear Dynamic ASME Journal of Applied Mechanics Journal of Vibration and Acoustics Journal of vibration and control Meccanica, International Journal of Theoretical and Applied Mechanics AIMETA Journal of Computational and Nonlinear Dynamics: ASME Journal of mechanical engineering science Chinese Journal of Aeronautics ASME IDETC/CIE 2010 ASME DETC/CIE-2013 ASME DETC/CIE-2014 ASME DETC/CIE-2015 ASME, IMECE conference, IMECE 2009 ASME, IMECE conference, IMECE 2013 RESEARCH INTERESTS Nonlinear vibration suppression and the related engineering applications. Nonlinear energy sinks (NES) and their applications in structural and aerospace dynamical systems. Structural health monitoring (SHM). Damage detection in structural and rotordynamic systems Order reduction of structural dynamic systems Renewable energy TEACHING INTEREST Undergraduate courses in dynamics, vibration, control, thermodynamic, statics, solid mechanics, rrotordynamics, and aerospace structures. Undergraduate courses in mathematics for mechanical engineers Graduate courses in structural dynamics, nonlinear dynamics, rotordynamics, vibration and control. H-INDEX & CITATIONS (by June 25th 2015) Scopus: citations (206) with H-index: 9 http://www-scopus-com.ezproxy.kustar.ac.ae/authid/detail.url?authorId=34869290900 Web of Sci.: citations (163) with H-index: 8 Published Journal Papers (up to June 2015) 1. AL-Shudeifat, M.A., (2015), Stability Analysis and Backward Whirl Investigation of Cracked Rotors with Time-Varying Stiffness, Journal of sound and vibration, 348, pp.365–380 2. AL-Shudeifat, M.A., Vakakis, A.F., Bergman, L.A., (2015), Shock Mitigation by Means of Low- to High-Frequency Nonlinear Targeted Energy Transfers of a Large-Scale Structure, J. Comput. Nonlinear Dynam., doi: 10.1115/1.4030540. 3. AL-Shudeifat, M. A., (2015), Asymmetric Magnet-Based Nonlinear Energy Sink, J. Comput. Nonlinear Dynam., 10(1), pp.014502. 4. AL-Shudeifat, M. A., (2015), Amplitudes Decay in Different Kinds of Nonlinear Oscillators, Journal of Vibration and Acoustics, 137(3), pp.031012-9. 5. Guo, C., AL-Shudeifat, M.A., Vakakis, A.F., Bergman, L.A., McFarland, D.M., & Yan, J., (2015), Vibration reduction in unbalanced hollow rotor systems with nonlinear energy sinks, Nonlinear Dynamics, 79(1), pp.527-538 6. AL-Shudeifat, M.A., (2015), Analytical Formulas for the Energy, Velocity and Displacement Decays of Purely Nonlinear Damped Oscillators, Journal of vibration and control, 21(6), pp.1210-1219. 7. Vakakis, A. F., AL-Shudeifat, M. A., Hasan, M. A., (2014), Interactions of propagating waves in a one-dimensional chain of linear oscillators with a strongly nonlinear local attachment, Meccanica, 49(10), pp.2375-2397. 8. AL-Shudeifat, M.A., (2014), Highly efficient nonlinear energy sink, Nonlinear Dynamics, 76(4), pp.1905-1920. 9. Wierschem, N., Luo, J., AL-Shudeifat, M., Hubbard, S., Ott, R., Fahnestock, L., Quinn, D., McFarland, D., Spencer, B., Jr., Vakakis, A., and Bergman, L., (2014), Experimental Testing and Numerical Simulation of a Six-Story Structure Incorporating Two-Degree-of-Freedom Nonlinear Energy Sink, J. Struct. Eng., 140(6), pp.04014027. 10. Luo, J., Wierschem, N., Fahnestock, L., Bergman, L., Spencer, B., Jr., AL-Shudeifat, M., McFarland, D., Quinn, D., and Vakakis, A., (2014), Realization of a Strongly Nonlinear Vibration-Mitigation Device Using Elastomeric Bumpers. J. Eng. Mech., 140(5), pp.04014009. 11. Guo, C., AL-Shudeifat, M.A., Yan, J., Bergman, L.A., McFarland, D.M., & Butcher, E.A., (2013), Stability analysis for transverse breathing cracks in rotor systems, European Journal of Mechanics-A/Solids, 42, pp.27-34. 12. AL-Shudeifat M. A., (2013), On the finite element modeling of an asymmetric cracked rotor, Journal of Sound and Vibration, 332(11), pp.2795–2807. 13. AL-Shudeifat M.A, Butcher E. A., (2013), On the Dynamics of a Beam with Switching Crack and Damaged Boundaries”. Journal of Vibration and Control, 19 (1), pp.30 - 46. 14. Chaozhong Guo, M.A. AL-Shudeifat, Jihong Yan, L.A. Bergman, D.M. McFarland, E.A. Butcher, (2013), Application of Empirical Mode Decomposition to a Jeffcott Rotor with a Breathing Crack, Journal of Sound and Vibration, 332, pp. 3881- 3892. 15. M. A. AL-Shudeifat, Nicholas Wierschem, D. Dane Quinn, Alexander F. Vakakis, Lawrence A. Bergman, Billie F. Spencer Jr., (2013), Numerical and Experimental Investigation of a Highly Effective Single-Sided Vibro-Impact Nonlinear Energy Sink for Shock Mitigation, International Journal of Non-linear Mechanics, 52, pp. 96–109. 16. Nicholas Wierschem, Jie Luo, D. Dane Quinn, Sean Hubbard, M.S., M.A. Al-Shudeifat, D. Michael McFarland, Alexander F Vakakis, Lawrence A Bergman, Billie F Spencer, Jr, (2012), Passive Damping Enhancement of a Twodegree-of-freedom System Through a Strongly Nonlinear Two-degree-of-freedom Attachment, Journal of sound and vibration, 331(25), pp.5393-5407. 17. Quinn D. D., Wierschem N., Hubbard S., AL-Shudeifat M. A., Richard J. Ott, McFarland D. M., Vakakis A. F. and Bergman L. A., (2012), Equivalent modal damping, stiffening and energy exchanges in multi-degree-of-freedom systems with strongly nonlinear attachments, Journal of Multi-body Dynamics, 226(2), pp.122-146. 18. Sigalov G., Gendelman O. V., AL-Shudeifat M. A., Manevitch L. I., Vakakis A. F. and Bergman L. A., (2012), Resonance Captures and Targeted Energy Transfers in an Inertially Coupled Rotational Nonlinear Energy Sink, Nonlinear Dynamics, 69(4), pp.1693-1704. 19. G. Sigalov, O.V. Gendelman, M. Al-Shudeifat, L.I. Manevitch, A.F. Vakakis, L.A. Bergman, (2012), Alternation of Regular and Chaotic Dynamics in a Simple Two-Degree-of-Freedom System with Nonlinear Inertial Coupling”, Chaos, 22(1). 20. AL-Shudeifat M. A., Butcher E. A., (2011), New Breathing Functions for the Transverse Breathing Crack of the Cracked Rotor System: Approach for Critical and Subcritical Harmonic Analysis”. Journal of Sound and Vibration, 330(3), pp.526-544. 21. Butcher E. A., AL- Shudeifat M. A., (2011), An Efficient Mode-Based Alternative to Principal Orthogonal Modes in the Order Reduction of Structural Dynamic Systems with Isolated Nonlinearities, Mechanical Systems and Signal Processing, 25(5), pp.1527-1549. 22. AL-Shudeifat M.A, Butcher E. A., (2011), Order Reduction of Forced Nonlinear Systems Using Updated LELSM Modes with New Ritz vectors, Nonlinear Dynamics, 62(4), pp.821–840. 23. AL- Shudeifat M. A., Butcher E. A., Carl R. S., (2010), General Harmonic Balance Solution of a Cracked RotorBearing-Disk System for Harmonic and Sub-harmonic Analysis: Analytical and Experimental Approach, International Journal of Engineering Science, 48(10), pp.921-935. 24. AL- Shudeifat M. A., Donaldson A. B., (2010), Combustion of Waste Trap Grease Oil in Gas Turbine Generator, Fuel, 89(3), pp.549-553. 25. Tashtoush B., Tahat M. and AL- Shudeifat M. A., (2002), Experimental Study of New Refrigerant Mixtures to Replace R12 in Domestic Refrigerators”, Applied Thermal Engineering, pp.495-506. Conference Papers (up to June 2015) 26. AL-Shudeifat M. A., “New Design of Magnetic Nonlinear Energy Sink for Shock Mitigation in Dynamic Structures”, Proceedings of the ASME DETC/CIE-2013, DETC2013-12461, August 4-7, 2013, Portland, Oregon, USA, accepted paper 27. AL-Shudeifat M. A., “Approach for Stability Analysis of a Cracked Rotor With Time-Varying Stiffness”, Proceedings of the ASME DETC/CIE-2013, DETC2013-12459, August 4-7, 2013, Portland, Oregon, USA, 28. AL-Shudeifat M. A., Bergman, L.A., Vakakis, A. F., “Numerical Investigation of Rotating Nonlinear Energy Sink for Shock Mitigation”, Proceedings of the ASME DETC/CIE-2013, DETC2013-13177, August 4-7, 2013, Portland, Oregon, USA. 29. AL-Shudeifat, M.A., Time-varying frequency formula for the purely nonlinear damped oscillator, Proceedings of the ASME 2014 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, August 17-20, 2014, Buffalo, New York, USA. 30. AL-Shudeifat, M.A., Vakakis, A.F., Bergman, L.A. , Shock mitigation by energy reversal to the high frequency modes, Proceedings of the ASME 2014 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, August 17-20, 2014, Buffalo, New York, USA. 31. Wierschem, N.E., AL-Shudeifat, M.A., Spencer Jr., B.F., Vakakis, A.F., Bergman, L.A., Experimental Investigation of a Rotational Nonlinear Energy Sink for Shock Mitigation, Proceedings of the ASME 2014 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, August 17-20, 2014, Buffalo, New York, USA. 32. AL-Shudeifat, M.A., Burton, T.D., Analytical Solution of Two Coupled Oscillators with a Nonlinear Coupling Resorting Force, Proceedings of the ASME 2014 International Mechanical Engineering Congress & Exposition IMECE2014 November 14-20, 2014, Montreal, Quebec, Canada. 33. AL-Shudeifat, M.A., Burton, T.D., Amplitudes Decays in the nonlinear oscillators of mixed linear and cubic stiffness components, Proceedings of the ASME 2014 International Mechanical Engineering Congress & Exposition IMECE2014 November 14-20, 2014, Montreal, Quebec, Canada. 34. Mohammad Al-Shideifat, Nicholas Wierschem, Alexander F. Vakakis, Lawrence A. Bergman, “Numerical and Experimental Investigation of a New Nonlinear Energy Sink for Passive Shock Mitigation”, ASME 2012 International Design Engineering Technical Conferences (IDETC) and Computers and Information in Engineering Conference (CIE), DETC2012-70453, August 12-15 2012 Chicago, IL. 35. Nicholas Wierschem, Mohammad Al-Shideifat, Jie Luo, Sean Hubbard, Richard Ott, Larry Fahnestock, D. Dane Quinn, Michael McFarland, B. F. Spencer Jr., Alexander F. Vakakis, Lawrence A. Bergman,“ Simulation and Testing of a 6-Story Structure Incorporating a Coupled Two Mass Nonlinear Energy Sink”, ASME 2012 International Design Engineering Technical Conferences (IDETC) and Computers and Information in Engineering Conference (CIE), DETC2012-71442, August 12-15 2012 Chicago, IL. 36. Al-Shudeifat M. A., Butcher E. A. and Burton T. D., “Enhanced Order Reduction of Forced Nonlinear Systems Using New Ritz Vectors”, Proceedings of the Society for Experimental Mechanics Series, Volume 2 (2011), Pages 41-52. 37. Al-Shudeifat, M. A., Butcher E. A., “On the modeling of open and breathing cracks of a cracked rotor system,” Proceedings of the ASME Design Engineering Technical Conference, Volume 5 (2010), Pages 919-928. 38. Al-Shudeifat, M. A., Butcher E. A., On the Dynamics of a Beam with Switching Crack and Damaged Boundaries: Application of the Local Equivalent Linear Stiffness Method (LELSM), Thirteenth Conference on Nonlinear Vibrations, Dynamics, and Multibody Systems, May 23-27, 2010, Virginia Tech, Blacksburg, VA. 39. Butcher E. A., Sevostianov I., Sari M. and Al-Shudeifat M. A., “Use of Nonlinear Vibration Frequencies and Electrical Conductivity Measurements in the Separation of Internal and Boundary Damage in Structures,” Proceedings of ASME International Mechanical Engineering Congress and Exposition, Volume 11 (2009) Pages 589-598. 40. AL-Shudeifat M. A., Butcher E. A., “Identification of the Critical Crack Depths and Locations of Rotordynamic Systems in Backward Whirl", Proceedings of the 7th International Workshop on Structural Health Monitoring, September 9-11, 2009. Stanford University, CA. 41. Al-Shudeifat, M. A., Butcher E. A., and Burton T. D., “Comparison of Order Reduction Methodologies and Identification of NNMs in Structural Dynamic Systems with Isolated Nonlinearities,” Proceedings of IMAC -XXVII, Orlando, FL, Feb. 9-12, 2009. 42. Al-Shudeifat, M. A. (New Mexico State University) and Donaldson A. B. (Sandia National Laboratory),” Testing Trapgrease Oil in 150 kW Gas turbine”, 83rd Annual Multidisciplinary Meeting, University of New Mexico, April 9-12, 2008, Albuquerque, NM. 43. Al-Shudeifat M. A., A New Refrigerant Mixture Composed of Hydrocarbons and Hydroflourocarbon Gases, Propane/Isobutane/R134a, Latest Developments in Refrigerated Storage, Transportation and Display of Food Products, Proc. International IIR (International Institute of Refrigeration) Conference, March 2005, Amman, Jordan. 44. AL-Shudeifat, M.A., “Piecewise Nonlinear Energy Sink”, Proceedings of the ASME 2015 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2015 August 2-5, 2015, Boston, Massachusetts, USA. DETC2015-47301. 45. AL-Shudeifat, M.A., “Nonlinear Energy Sink with a Non-Traditional Kind of Nonlinear Restoring Force”, Proceedings of the ASME 2015 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference IDETC/CIE 2015 August 2-5, 2015, Boston, Massachusetts. DETC2015-47309. Books Al-Shudeifat M. A. (2003) Engineering Drawing Using AutoCAD, Patents Patent No. (2153) Granted on November 19, 2002 - Jordan. Developing a New Refrigerant Mixture to Replace Freon-12 in Domestic Refrigerators. COMPUTER SKILLS Professional in: Matlab and Fortran Power point presentation AutoCAD and Mechanical Desktop CURRENT FUNDED RESEARCH Khalifa University Internal Research Level 1 Award for 2015 (~200,000 AED) No. 210078, “Damage Diagnosis in Industrial and Aerospace Rotor Systems”, Co-PI-1: Dr. Wael Zaki, Mechanical Engineering and Co-PI-2: Dr. Kamran Khan, Aerospace Engineering. Co-researcher in the awarded KUSTAR-KAIST collaboration research fund with Prof. Hoon Sohn as a PI from the Department of Civil and Environmental Engineering (KAIST). “Noncontact, real-time, and autonomous diagnosis of fatigue cracks in industrial and aerospace rotor systems”. Research period: 1/6/2015 to 31/3/2016. REFERENCES Prof. Alexander Vakakis, W. Grafton and Lillian B. Wilkins Professor , Department of Mechanical Science and Engineering, Affiliate Professor , Department of Aerospace Engineering, University of Illinois, Urbana – Champaign, Tel. 217-333-3048 (Office), 217-721-2558 (Cell), 217-333-5981 (Secretary), Fax 217-244-6534.Email: avakakis@illinois.edu Prof. Lawrence Bergman, Department of Aerospace Engineering, University of Illinois, Urbana – Champaign, Tel. 217-333-4970 (Office), lbergman@illinois.edu. Dr. Eric A. Butcher (Advisor), Phone (575) 646-6179, Fax (575) 646-6111, Mechanical and Aerospace Engineering Dept., P.O. Box 30001 / MSC 3450, New Mexico State University, Las Cruces, NM, 88003-8001, Email: eab@nmsu.edu Prof. Thomas D. Burton (Department Chair) Phone (+971) 2-5018505, Fax (+971) 2-4472442, Aerospace Engineering Dept., Postal Code 127788, Khalifa University, Abu Dhabi, UAE, Email: thomas.burton@kustar.ac.ae