DR. RAMZI OTHMAN
Associate Professor,
Department of Mechanical Engineering, King Abdulaziz University
Education
Degree Field of Study Institution Year
Habilitation Mechanics of Materials University of Nantes (France) 2010
PhD Mechanics of Materials Ecole Polytechnique (France) 2002
MS Mechanical Engineering Ecole Centrale Paris (France) 1999
MS Mechanical and Civil Engineering Ecole Polytechnique de Tunisie (Tunisia) 1998
Academic Experience
From To Institution Rank Title (Chair,
Coordinator, etc.)
Full or Part Time
09/2012 Now King Abdulaziz University Assoc. Prof. Full
10/2005 08/2012 Ecole Centrale de Nantes (France) Assoc. Prof. Full
09/2004 08/2005 ISAT Nevers (France) Assist. Prof. Full
04/2004 08/2004 ARMINES (France) Eng. Researcher Post-doc Full 10/2002 03/2004 Centrale Recherche S.A. (France) Researcher Post-doc Full Funded Research Projects and Patents from the Past Five Years
1. September 2006 – August 2008: Development of an experimental set-up to study ballistic impacts of rubber projectiles on composites plates (EADS, ~90000€).
2. December 2007 – December 2009: Ice fragmentation on aircraft engines, development of an experimental approach and empirical laws (French National Research Agency, ~150000€).
3. P. Guégan, D. LeBreton, F. Pasco, R. Othman, A. Poitou (2007). “Crash damping structure mainly for automobile competition circuits”, French patent n° 07/00547, 26 January 2007.
Honours and Awards
1. June 2003: Award for one of the best Ph.D. theses defended at the Ecole Polytechnique [Top 10%
of Ph.D. theses defended between June 2002 and Mai 2003 all fields included].
2. August 1999: A three-year scholarship from Ecole Polytechnique (France) to prepare a Ph.D.
3. August 1998: A one-year scholarship from Tunisian government to pursue master studies in a French university.
Institutional and Professional Services (administration, committees, units, etc.)
1. September 2013 – Now: Responsible for the “Dynamics” lab, Mechanical Engineering Department, College of Engineering (King Abdulaziz University).
2. October 2005 – August 2012: Scientific chief of the group “dynamics” in the team “Materials, Processes and Composite Technologies” in the Institute de Recherché en Génie Civil et Mécanique (GeM laboratory, Ecole Centrale de Nantes).
3. September 2009 – August 2012: Head of the master “Applied Mechanical Sciences: Metallic and composites complex systems”.
Principal Publications/Presentations from the Past Five Years
1.
S. Aloui, R. Othman, E. Verron, P. Guégan, (2013). Semi-analytic inverse method for rubber testing at high strain rates. Mech. Res. Comm.., accepted.2.
J.-C. Petiteau, R. Othman, P. Guégan, H. Le Sourne, E. Verron, (2013). Dynamic uniaxial extension of elastomers at constant true strain rate. Polym. Test., accepted3.
J.-C. Petiteau, E. Verron, R. Othman, H. Le Sourne, J.-F. Sigrist, G. Barras, (2013). Large strain rate- dependent response of elastomers at different strain rates: convolution integral vs. internal variable formulations. Mech. Time-Dep. Mater., accepted4.
P. Guégan, R. Othman, D. Lebreton, F. Pasco, P. Villedieu, J. Meyssonnier, S. Wintenberger, (2012).Critical impact velocity for ice fragmentation. Proc. Inst. Mech., Part C, J. Mech. Eng. Sci., 226, 1677-1682.
5.
G. Challita, R. Othman, (2012). Analytical model of the double-lap bonded joints response to harmonic loads. Eur. J. Mech./A Solids, 34, 149-158.6.
R. Othman, (2012). Cut-off frequencies induced by the length of strain gauges measuring impact events. Strain, 48, 16-20.7.
P. Guégan, R. Othman, D. Lebreton, F. Pasco, P. Villedieu, J. Meyssonnier, S. Wintenberger, (2011).Experimental investigation of the kinematics of the post-impact ice fragments. Int. J. Impact Eng. 38, 786-795.
8.
V. Delhaye, A. Clausen, F. Moussy, R. Othman, O.S. Hopperstad, (2011). Influence of stress state and strain rate on the behaviour of a rubber-particle reinforced polypropylene. Int. J. Impact Eng., 38, 208- 218.9.
G. Challita, R. Othman, P. Casari, K. Khalil, (2011). Experimental investigation of the shear dynamic behaviour of double-lap adhesively bonded joints on a wide range of strain rates. Int. J. Adhes. Adhes.31, 146-153.
10.
S. Koubaa, R. Othman, B. Zouari, S. El-Borgi (2011). Finite-element analysis of errors on stress and strain measurements in dynamic tensile testing of low-ductile materials. Comput. Struct. 89,78-90.11.
P. Guégan, R. Othman, D. LeBreton, F. Pasco, N. Swiergiel, P. Thevenet, (2010). Experimental investigation of rubber ball impacts on aluminium plates. Int. J. Crashworthiness 15, 391-399.12.
V. Delhaye, A. Clausen, F. Moussy, O.S. Hopperstad, R. Othman (2010). Mechanical response and microstructure investigation of a mineral and rubber modified polypropylene. Polym. Test. 29, 793- 802.13.
R. Othman, S. Aloui, A. Poitou (2010). Identification of non-homogeneous stress fields in dynamic experiments with a non parametric method. Polym. Test. 29, 616-623.14.
G. Challita, R. Othman, (2010). Finite-element analysis of SHPB tests on double-lap adhesive joints.Int. J. Adhes. Adhes. 30, 236-244.
15.
R. Othman, P. Guégan, G. Challita, D. LeBreton, F. Pasco, (2009). A modified servo-hydraulic machine for testing at intermediate strain-rates. Int. J. Impact Eng. 36, 460-467.16.
P. Guégan, D. LeBreton, F. Pasco, R. Othman, S. Le Corre, A. Poitou (2008). Metallic energy absorbing inserts for formula one tyre barriers. Proc. Inst. Mech. Eng., Part D, J. Automobile Eng.222, 699-704.
