
PhD
Honorary Research Assistant
- About
-
Biography
Honorary research assistant, University of Aberdeen, UK (March 2020 to present)
- Modelling and analysis of BHA and drill-string vibrations
- Investigation of nonlinear dynamics of rotor-stator rubbing
Assistant Professor, Helwan University, Egypt (March 2015 to present) - On Leave
PhD in Mechanical Design, Helwan University, Egypt (2015) - "Experimental study and theoretical modelling of multi-fault rotor dynamics"
Assistant lecturer, Helwan University, Egypt (2006 to 2015)
MSc in Mechanical Engineering, Benha University, Egypt (2006) - "A Study of Mechanical Vibrations Through Wavelet Analysis to determine Machinery Condition"
Teaching assistant, Helwan University, Egypt (2001 to 2006)
BSc in Mechanical Engineering, Benha University, Egypt (1999)
Memberships and Affiliations
- Internal Memberships
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Member of the postgraduate studies committee in Helwan University, Faculty of Engineering, Cairo, Egypt.
- External Memberships
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Reviewer at:
1- Journal of vibration and control
2- Structural health monitoring
Supervisor to 3 MSc students and 1 PhD students in Helwan University, Egypt.
Latest Publications
Dynamic Behavior Analysis of a Rotating Shaft with an Elliptical Breathing Surface Crack
Journal of Vibration Engineering & TechnologiesContributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1007/s42417-022-00820-5
Piecewise Analytical Solution for Rub Interactions Between a Rotor and an Asymmetrically Supported Stator
Chapters in Books, Reports and Conference Proceedings: Conference Proceedings- [ONLINE] DOI: https://doi.org/10.1007/978-3-031-15758-5_54
Experimental Verification and Nonlinear Dynamic Response Analysis of a Rolling Element Bearing with Localized Defects
Journal of Failure Analysis and PreventionContributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1007/s11668-022-01466-x
A new numeric-symbolic procedure for variational iteration method with application to the free vibration of generalized multi-span Timoshenko beam
JVC/Journal of Vibration and Control, vol. 28, no. 7-8, pp. 799-811Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1177/1077546320983192
- [ONLINE] View publication in Scopus
Analytical study of rotor-stator rubbing phenomenon
Contributions to Conferences: Papers
- Research
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Research Overview
Machinery fault diagnostics, condition monitoring, signal processing, Modelling of dynamic systems, Nonlinear dynamics, Drill-string vibrations
Current Research
1- Modelling and analysis of BHA and drill-string vibrations
2- Analysis of the nonlinear dynamics of rotor-stator rubbing
- Teaching
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Teaching Responsibilities
Assistant Professor in Helwan University, Egypt:
Courses given to undergraduate mechanical power engineering students:
1- Mechanical vibrations;
2- Vibration Technology.
Courses given to postgraduate mechanical design students:
1- Rotordynamics;
2- Fault diagnosis;
3- Signal analysis;
4- Mechanical Vibrations;
5- Numerical methods;
6- Scientific research writing.
- Publications
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Page 1 of 2 Results 1 to 10 of 11
Dynamic Behavior Analysis of a Rotating Shaft with an Elliptical Breathing Surface Crack
Journal of Vibration Engineering & TechnologiesContributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1007/s42417-022-00820-5
Piecewise Analytical Solution for Rub Interactions Between a Rotor and an Asymmetrically Supported Stator
Chapters in Books, Reports and Conference Proceedings: Conference Proceedings- [ONLINE] DOI: https://doi.org/10.1007/978-3-031-15758-5_54
Experimental Verification and Nonlinear Dynamic Response Analysis of a Rolling Element Bearing with Localized Defects
Journal of Failure Analysis and PreventionContributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1007/s11668-022-01466-x
A new numeric-symbolic procedure for variational iteration method with application to the free vibration of generalized multi-span Timoshenko beam
JVC/Journal of Vibration and Control, vol. 28, no. 7-8, pp. 799-811Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1177/1077546320983192
- [ONLINE] View publication in Scopus
Analytical study of rotor-stator rubbing phenomenon
Contributions to Conferences: PapersMicro-fabrication of ceramics: Additive manufacturing and conventional technologies
Journal of advanced ceramics, vol. 10, pp. 1-27Contributions to Journals: Review articlesFree vibration and stability analysis of a multi-span pipe conveying fluid using exact and variational iteration methods combined with transfer matrix method
Applied Mathematical Modelling, vol. 71, pp. 173-193Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1016/j.apm.2019.02.006
- [ONLINE] View publication in Scopus
Vibration analysis of a multi-fault transient rotor passing through sub-critical resonances
JVC/Journal of Vibration and Control, vol. 24, no. 14, pp. 2986-3009Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1177%2F1077546317697828
Application of variational iteration method to free vibration analysis of a tapered beam mounted on two-degree of freedom subsystems
Applied Mathematical Modelling, vol. 58, pp. 349-364Contributions to Journals: Articles- [ONLINE] DOI: https://doi.org/10.1016/j.apm.2018.02.005
- [ONLINE] View publication in Scopus
Feature extraction enhancement based on parameterless empirical wavelet transform: Application to bearing fault diagnosis
Chapters in Books, Reports and Conference Proceedings: Conference Proceedings- [ONLINE] DOI: https://doi.org/10.21608/AMME.2018.34731