Publications

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Book Chapter
El-Shafei, A., "Developments in Fluid Film Bearing Technology", IUTAM Symposium on Emerging Trends in Rotor Dynamics: Springer Netherlands, pp. 201–215, 2011. Abstract
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El-Shafei, A., A. S. Dimitri, T. Saqr, and M. El-Hakim, "Test Rig Characterization and Dynamic Testing of a Smart Electro-Magnetic Actuator Journal Integrated Bearing", Proceedings of the 9th IFToMM International Conference on Rotor Dynamics: Springer International Publishing, pp. 1145–1156, 2015. Abstract
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Conference Paper
El-Shafei, A., and N. Rieger, "Automated diagnostics of rotating machinery", ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference: American Society of Mechanical Engineers, pp. 491–498, 2003. Abstract
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Hassan, T. A. F., A. El-Shafei, Y. Zeyada, and N. Rieger, "Comparison of neural network architectures for machinery fault diagnosis", ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference: American Society of Mechanical Engineers, pp. 415–424, 2003. Abstract
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El-Shafei, A., and M. El-Hakim, "Development of a Test Rig and Experimental Verification of the Performance of HSFDs for Active Control of Rotors", ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition: American Society of Mechanical Engineers, pp. V005T14A024–V005T14A024, 1995. Abstract
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El-Shafei, A., "Diagnosis of Installation Problems of Turbomachinery", ASME Turbo Expo 2002: Power for Land, Sea, and Air: American Society of Mechanical Engineers, pp. 525–534, 2002. Abstract
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El-Shafei, A., and M. El-Hakim, "Experimental investigation of adaptive control applied to HSFD supported rotors", ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V004T03A015–V004T03A015, 1999. Abstract
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El-Shafei, A., S. H. Tawfick, and M. O. A. Mokhtar, "Experimental Investigation of the Effect of Angular Misalignment on the Instability of Plain Journal Bearings", ASME/STLE 2009 International Joint Tribology Conference: American Society of Mechanical Engineers, pp. 171–173, 2009. Abstract
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Yakoub, R. Y., and A. El-Shafei, "A Fast Method to Obtain the Nonlinear Response of Multi-Mode Rotors Supported on Squeeze Film Dampers Using Planar Modes: Part I—Theory", ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V005T14A039–V005T14A039, 1998. Abstract
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Tawfick, S. H., A. El-Shafei, and M. O. A. Mokhtar, "Field Identification of Stiffness and Damping Characteristics of Fluid Film Bearings", ASME Turbo Expo 2008: Power for Land, Sea, and Air: American Society of Mechanical Engineers, pp. 1191–1201, 2008. Abstract
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El-Shafei, A., "Modeling finite squeeze film dampers", ASME Turbo Expo 2002: Power for Land, Sea, and Air: American Society of Mechanical Engineers, pp. 1175–1186, 2002. Abstract
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El-Shafel, A., and J. P. Hathout, "Modelling and Control of HSFDs for Active Control of Rotor-Bearing Systems", ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition: American Society of Mechanical Engineers, pp. V005T14A004–V005T14A004, 1994. Abstract
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Murthy, R., J. C. Tomei, X. Q. Wang, M. P. Mignolet, and A. El-Shafei, "NONPARAMETRIC STOCHASTIC MODELING OF STRUCTURAL UNCERTAINTY IN ROTORDYNAMICS: UNBALANCE AND BALANCING ASPECTS", ASME Turbo Expo 2013 GT2013 June 3-7, 2013, San Antonio, Texas, USA: ASME, pp. GT2013–95779, 2013. Abstract
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Murthy, R., M. P. Mignolet, and A. El-Shafei, "Nonparametric Stochastic Modeling of Uncertainty in Rotordynamics", ASME Turbo Expo 2009: Power for Land, Sea, and Air: American Society of Mechanical Engineers, pp. 881–899, 2009. Abstract
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El-Hakim, M., A. S. Dimitri, T. Saqr, J. Mahfoud, A. Adly, and A. El-Shafei, "Numerical and Experimental Identification of the Static Characteristics of a combined Journal-Magnetic Bearing: Smart Integrated Bearing", Vibrations in Rotating Machinery: Institution of Mechanical Engineers, 2012. Abstract
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Dimitri, A. S., J. Mahfoud, and A. El-Shafei, "Oil Whip Elimination Using Fuzzy Logic Controller", ASME Turbo Expo 2014: Turbine Technical Conference and Exposition: American Society of Mechanical Engineers, pp. V07AT31A028–V07AT31A028, 2014. Abstract
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Hathout, J. P., and A. El-Shafei, "PI control of HSFDs for active control of rotor-bearing systems", ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V005T14A018–V005T14A018, 1996. Abstract
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El-Shafei, A., and A. S. El-Kabbany, "Rotordynamic Performance of Finite Length Squeeze Film Dampers", ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference: American Society of Mechanical Engineers, pp. 499–507, 2003. Abstract
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El-Shafei, A., "Unbalance response of a jeffcott rotor incorporating short squeeze film dampers", ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition: American Society of Mechanical Engineers, pp. V005T13A004–V005T13A004, 1989. Abstract
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Youssef, R., and A. El-Shafei, "Unbalance Response of a Multi-Mode Rotor Supported on Short Squeeze Film Dampers", ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition: American Society of Mechanical Engineers, pp. V005T14A006–V005T14A006, 1996. Abstract
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Journal Article
El-Shafei, A., "Active control algorithms for the control of rotor vibrations using hybrid squeeze film dampers", Journal of engineering for gas turbines and power, vol. 124, no. 3: American Society of Mechanical Engineers, pp. 598–607, 2002. Abstract
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Hathout, J. P., A. El-Shafei, and R. Youssef, "Active control of multi-mode rotor-bearing systems using HSFDs", Journal of tribology, vol. 119, no. 1: American Society of Mechanical Engineers, pp. 49–56, 1997. Abstract
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Hathout, J. P., and A. El-Shafei, "Adaptive control for rotor-bearing systems using hybrid squeeze film dampers", IMECHE CONFERENCE TRANSACTIONS, vol. 6: MECHANICAL ENGINEERING PUBLICATIONS, pp. 671–690, 1996. Abstract
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Zeyada, Y., A. B-Shafei, and M. Elaraby, "COMPARISON BETWEEN CONTINUOUS AND LUMPED APPROACHES IN TRANSFER MATRIX MODELLING OF ROTATING MACHINERY", Proceedings, vol. 17: Vibration Institute, pp. 97, 1993. Abstract
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El-Shafei, A., and A. S. Dimitri, "Controlling journal bearing instability using active magnetic bearings", Journal of Engineering for Gas Turbines and Power, vol. 132, no. 1: American Society of Mechanical Engineers, pp. 012502, 2010. Abstract
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