waelzaki

Curriculum Vitae

Wael ZAKI, Ph.D.

Reviewing

Smart Materials and Structures (IOP).

Journal of Composite Materials (Sage).

Nanotechnology (IOP)
Journal of Intelligent Material Systems and Structures (Sage).

Organization of conferences

Session chair, member of the organizing committee. Plasticity 2011, Puerto Vallarta, Mexico.

Publications

Papers in peer-reviewed journals

15. W. Zaki, Z. Moumni, C. Morin. Modeling tensile-compressive asymmetry for superelastic shape memory alloys. Mechanics of Advanced Materials and Structures, 18(7) 2011. 559-564.

14. R. Younes, W. Zaki. Optimal weaving for 2.5D interlocks. Composite Structures, 93 (2011) 1255-1264.

13. C. Morin, Z. Moumni, W. Zaki. Influence of heat transfer on the thermomechanical behavior of shape memory alloys.lnternational Review of Mechanical Engineering, 5(2)2011.

12. C. Morin, Z. Moumni, W. Zaki. Thermomechanical coupling in Shape Memory Alloys under cyclic loading: experimental analysis and constitutive modeling. International Journal of Plasticity, Dec. 2011, 27(12) 1959-1980, .

11. W. Zaki, C. Morin, Z. Moumni. A simple 1D model with thermomechanical coupling for shape memory alloys. IOP Conference Series: Materials Science and Engineering, 10 012149.

10. C. Morin, Z. Moumni, W. Zaki. A constitutive model for shape memory alloys accounting for thermomechanical coupling . International Journal of Plasticity, 27(5) 748-767, May 2011.

9. C. Morin, Z. Moumni and W. Zaki. Direct numerical determination of the asymptotic cyclic behavior of pseudoelastic shape memory structures. Journal of Engineering Mechanics 137, 497 (2011) (7 pages).

8 . W. Zaki. An approach to modeling tensile-compressive asymmetry for martensitic shape memory alloys. Smart Materials and Structures 19 (2010) 025009 (7pp).

7 . W. Zaki, S. Zamfir and Z. Moumni. An extension of the ZM model for shape memory alloys accounting for plastic deformation. Mechanics of Materials 42 (2010), 266-274.

6 . W. Zaki, S. Zamfir. Explicit and implicit approaches for simulating AISI304 balloon-expandable
stents. Modelling, Measurment and Control C 70(2009) No. 2, 22-40.

5. Z. Moumni, W. Zaki and H. Maïtournam, 2009. Cyclic behavior and energy approach to the fatigue of shape memory alloys. Journal of Mechanics of Materials and Structures, 4, 395-411.

4. Z. Moumni, W. Zaki and Q.S. Nguyen, 2008. Theoretical and numerical modeling of solid--solid phase change: application to the description of the thermomechanical behavior of shape memory alloys. International Journal of Plasticity, 24, 614-645.

3. W. Zaki and Z. Moumni. 2007. A three-dimensional model of the thermomechanical behavior of shape memory alloys. Journal of the Mechanics and Physics of Solids, 55, 2455-2490.

2. W. Zaki and Z. Moumni, 2007. A 3D model of the cyclic thermomechanical behavior of shape memory alloys. Journal of the Mechanics and Physics of Solids, 55, 2427-2454.

1. W. Zaki and Z. Moumni, 2005. Modélisation thermomécanique des alliages à mémoire de forme. Journal de Physique IV, 124, 237-242.

Ph.D. students

Co-supervisor. Claire Morin, Cyclic behavior and fatigue of shape memory alloys. Started October 1st, 2008. Ecole Polytechnique, Paris.[Graduated May 23, 2011 with highest honors].

Co-supervisor. Mohamed Ould Moussa, Dynamics of shape memory alloys. Started October 1st, 2008. Ecole Polytechnique, Paris.

Master students

S. Zamfir. MS thesis on stent simulation and modeling of plastic deformation of martensitic SMAs, in collaboration with Politehnica University of Bucharest. Romania.

E. Zappata. MS thesis on the influence of geometry on the performance of 5 different stent designs. In collaboration with Metz University, France.

Conferences

21. [Keynote] W. Zaki. Computational aspects of martensite detwinning and reorientation in martensitic shape memory alloys. Plasticity 2012, San Juan, Puerto Rico, Jan. 2012.

20. W. Zaki. Modeling and simulation of the mechanical response of martensitic shape memory alloys. ASME 2011 conference on Smart Materials, Adaptive Structures and Intelligent Systems, Scottsdale, Arizona, USA, Sep. 2011.

19. M. Ould Moussa, Z. Moumni, O. Doaré, C. Touzé, and W. Zaki. Nonlinear oscillations and chaotic response of Shape Memory Alloys, 4th Chaotic Modeling and Simulation International Conference, Agios Nikolaos, Crete, Greece, June 2011.

18. W. Zaki, Z. Moumni and C. Morin. Modeling shape memory alloys, tensile-compressive asymmetry and martensite plasticity. Plasticity 2011, Puerto Vallarta, Mexico.

17. C. Morin, Z. Moumni and W. Zaki. Thermomechanical coupling in the cyclic behavior of shape memory alloys. Plasticity 2011, Puerto Vallarta, Mexico.

16. [Keynote, co-author] Z. Moumni, C. Morin and W. Zaki. A comprehensive approach for designing SMA structures. Plasticity 2010, St. Kitts.

15. W. Zaki, C. Morin and Z. Moumni. A model for shape memory alloys accounting for thermomechanical coupling. WCCM/APCOM 2010, Sydney, Australia.

14. C. Morin, Z. Moumni and W. Zaki. Thermo-mechanical coupling in shape Memory Alloys. Euromech 505, Paris, France.

13. C. Morin, Z. Moumni and W. Zaki. Cyclic behavior and fatigue design of shape memory alloy devices. Plasticity 2010, St. Kitts.

12. W. Zaki, and Z. Moumni. Macro-scale modeling for shape memory alloys: an extension of the ZM model acounting for plastic deformation. Proceedings of the 2009 Joint ASCE-ASME-SCE Conference on Mechanics and Materials, Blacksburg, Virginia, p.24.

11. W. Zaki, S. Zamfir and Z. Moumni. An extension of the ZM model for shape memory alloys acounting for plastic deformation. Proceedings of the Third international conference on Design, Modeling, Experiments and Simulation of Adaptive Structures and Smart Systems (DeMEASS III), May 2009.

10. Z. Moumni and W. Zaki. Cyclic behavior and energy approach of the fatigue of shape memory alloys. International conference on Shape Memory and Superelastic Technology. Tsukuba, Japan, Dec. 2007.

9. Z. Moumni, W. Zaki and H. Maïtournam. Cyclic behavior and energy approach of the fatigue of shape memory alloys. International Conference on Thermomechanical Modeling of Solids, Paris, France, Jul. 2007.

8. Z. Moumni, W. Zaki and Q.S. Nguyen. Theoretical and numerical modeling of solid--solid phase change. Plasticity 2007, Girdwood, Alaska, USA.

7. Z. Moumni and W. Zaki. Thermomechanical modeling and fatigue of shape memory materials. Nonlinear Analysis and Engineering Mechanics Today, Hochiminh City, Vietnam, 2007.

6. Z. Moumni and W. Zaki. Themomechanical modeling of the behavior and fatigue of Shape Memory Alloys. In Proceedings of the international conference EMT2006, Saigon, Vietnam, November 2006.

5. W. Zaki and Z. Moumni. Modeling the thermomechanical behavior and fatigue of shape memory materials. Advanced Problems in Mechanics (APM 2006), St. Petersburg, Russia.

4. Z. Moumni and W. Zaki. Cyclic behavior and fatigue analysis of shape memory alloys. International Conference on Computational and Experimental Engineering & Sciences (ICCES05), Hyderabad, India.

3. W. Zaki and Z. Moumni. On the thermodynamic modeling of phase transformation in shape memory alloys. 3rd International Symposium on Advanced Biomaterials (ISAB'2005),Montreal, Canada.

2. W. Zaki and Z. Moumni. Modélisation thermomécanique des alliages à mémoire de forme. Fourth Franco-Lebanese Conference on Material Science (CSM4), Beirut, Lebanon.

1. R. Younes, W. Zaki and T. Basbous. Modélisation de la houle sur le port de Beyrouth. Premier Congrès International sur les Modélisations Numériques Appliquées (Cimna'2003). Beirut, Lebanon.

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My Personal Corner

Research and Teaching experience

August 2010 - present

Assistant Professor of Mechanical Engineering. KUSTAR, UAE.

May 2007 - August 2010

R&D Engineer, Luxembourg.

Project Manager and Principal Investigator for project DeStenEE (Design of Medical Stent Implants for Enhanced Endurance and Flexibility), in collaboration with INCCI, Luxembourg and ENSTA, France. Competitive funding, approx. 750'000 USD total budget. Ratio of contribution to project definition and proposal writing: 100%.
Involved to different degrees in other research projects.

Oct. 2006 -- May 2007

Postdoctoral fellow at the Mechanics Unit of Ecole Nationale Supérieure de Techniques Avancées, Paris, France.

2006

Ph.D. in Solid Mechanics, with highest honors [très honorable avec les félicitations du jury]. Ecole Polytechnique, Paris, France.

2003

DEA (French Master Degree) in "Advanced Techniques in Stucture Mechanics", with honors. Ecole Polytechnique, Paris, France.

2002

Degree in Mechanical engineering [Diplôme d'Ingénieur], with highest honors. Lebanese University, Beirut, Lebanon. Top of class.

1999 -- 2002

Mechanical engineering student at the Lebanese University, Beirut, Lebanon. Ranked first with high honors during all six terms.

Professional experience

Starting May 2007

R&D Engineer, Luxembourg.

July to October 2003

Implemented a "shape memory" 3D thermomechanical model in the finite element code "Castem" . In close collaboration with the National Center for Space Studies (Cnes) and with the Mechanics of Solids Lab. (LMS) of Ecole Polytechnique. Funded as part of a contract with Cnes.

April and June 2003

Developed an inverse-problem based code for determining mechanical material properties across the surface of a rail section using data from micro-indentation experiments. Funded by the French National Railways Society (SNCF).

April to July 2002

Modelled swell at the Beirut port. My graduation project at the Faculty of Engineering in Beirut. In collaboration with Port of Beirut.

July to September 2001

Training at Trans Mediterranean Airways (TMA) in Beirut.