Sign In

 Dr. Khulief, Yehia A.


PhD, PE (Registered Professional Engineer in the State of Alabama, USA).     


Contact Information                 

Office               Bldg-63 Room-309                                
Phone              966-13-860 2327                                      
Fax                  966-13-860 2949 (ME Dept)                                 
Websites          Personal Page                            


Ph.D.                (Mechanical Engineering), University of Illinois at Chicago, Chicago, Illinois, USA.1985

M.Sc.               (Mechanical Engineering), University of Iowa, Iowa City, Iowa, USA. 1983.                        

M.Sc.               Department of Optimization & Control, University of Hertfordshire, (The Hatfield Polytechnic), Hatfield, Herts, U.K. 1980.

B.Sc                 Aeronautical Engineering Department, Cairo University, Cairo, Egypt. 1974.

Courses Taught

  • ME 201             Dynamics
  • ME 309             Mechanics of Machines
  • ME 413             System Dynamics & Control
  • ME 428             Structure of Flight Vehicles
  • ME 482             Mechanical Vibrations 
  • ME-484             Acoustics
  • ME 541             Continuum Mechanics
  • ME 542             Elasticity
  • ME 562             Vibration Measurement & Analysis
  • ME 558             Rotordynamics

Research Areas

  • Dynamic modeling and analysis of multibody systems with interconnected rigid and elastic Components; Dynamic simulation of impact and intermittent motion; Vibrational response calculations using finite element modeling; FEM dynamic modal response analysis of rotating beams & shafts; Rotordynamics; Flow-induced Vibrations; and Active control of vibrations in flexible mechanical systems.

Areas of Expertise & Consulting

  • Vibration Measurements & Analysis, Vibration monitoring, spectrum analysis & diagnostics of rotating machinery, Rotor balancing, Turbojet engines ground acceptance tests, Vehicle collision & crash accident diagnosis, Elevators & escalators performance tests, Acoustic measurements & sound level standards, Leak detection in Pipelines, Flow-induced Vibrations and Fluid Structure interaction.

Representative Publications      

  • Oke, WA; Khulief, YA ;Vibration analysis of composite pipes using the finite element method with B-spline wavelets ;2016
  • Khulief, YA; El-Gebeily, MA; Oke, WA; Ahmed, WH ; Modal frequencies of fiber-reinforced polymer pipes with wall-thinning using a wavelet-based finite element model ;2015
  • Bashmal, S; Oke, WA; Khulief, Y ;Vibration analysis of an elastically restrained microcantilever beam under electrostatic loading using wavelet-based finite element method ;2015
  • Khulief, YA; Oke, W; Mohiuddin, MA ; Modally Tuned Influence Coefficients for Low-Speed Balancing of Flexible Rotors ;2015
  • Al-Gahtani, O; El-Gebeily, M; Khulief, Y ;  Output-Only Identification of System Parameters from Noisy Measurements by Multiwavelet Denoising ;2014
  • Khulief, YA; Bashmal, SA; Said, SA; Al-Otaibi, DA; Mansour, KM ; Prediction of Vibration-Induced Instability Due to Cross Flow in Heat Exchangers with Triangular Tube Arrays ;2014​


  • Honorary Member, Pi Tau Sigma,  The Mechanical Engineering Honorary Fraternity, USA.
  • Distinguished Visiting Scientist, Guidance & Control Software Group, NASA, Jet Propulsion Laboratory (JPL), Pasadena, CA, USA. A sabbatical leave Sept. 1997 to July 1998.