Locul si data nasterii: 8 mai 1958, Focsani, Vrancea.
Locul de munca actual: Universitatea Bucuresti, Facultatea de Matematica si Informatica, Catedra de Geometrie, Str. Academiei 14, Bucuresti 010014, Romania.
E-mail: osimion fmi.unibuc.ro, o_simionescu yahoo.com
Functia actuala: Profesor universitar.


Licenta: Facultatea de Matematica, Universitatea Bucuresti, Diploma de Merit, Media generala 9,98 (1982).
Lucrarea de licenta: "Metode functionale in studiul torsiunii elasto-plastice", Universitatea Bucuresti, conducator stiintific Prof.Dr. G.Dinca (1982).
Teza de doctorat: "Metode analitice in studiul comportarii termomecanice a cavitatilor subterane", Universitatea Bucuresti, conducator stiintific Acad.Prof.Dr.Doc. N.D.Cristescu (1994).

Distinctii academice: Premiul "Spiru Haret" al Academiei Romane (2001).

Experienta profesionala: Profesor la Scoala nr.2 Comarnic si la Liceul "Teleajen", Ploiesti (1982-1984); Analist programator la INCREST Bucuresti (1984-1986); Asistent (1986-1996), Lector (1996-2002), Conferentiar (2002-2006), Profesor (din 2006) la Universitatea Bucuresti; Cercetator stiintific asociat la Institutul de Matematica Aplicata al Academiei Romane (din 2002).
Activitate didactica: Cursuri si seminarii de Mecanica rationala, Mecanica analitica si teoria relativitatii, Dinamica sistemelor termomecanice, Deteriorarea si ruperea solidelor deformabile, Calculul variatiilor cu aplicatii in mecanica si fizica, Geometria sistemelor dinamice, Fizica matematica, Geometria varietatilor diferentiabile.
Domenii de cercetare: Termomecanica solidelor deformabile, Concentrarea tensiunilor in medii elasto-vascoplastice, Electromecanica solidelor deformabile supuse campurilor initiale, Miscarea relativa a sistemelor materiale.

Contracte de cercetare: participare la 16 contracte de cercetare interne si internationale.
Contracte de cooperare internationala:
   1. Proiectul TEMPUS JEP 2779/91 cu Uniunea Europeana (Ecole Polytechnique - Palaiseau, Franta; Politecnico di Milano, Italia; Universitatea Bucuresti, Romania) 1992 (condus de dl.acad. N.D.Cristescu, O.Simionescu-Panait - director executiv), in cadrul caruia am efectuat un stagiu doctoral la Ecole Polytechnique, Palaiseau (4 luni).
   2. Contractul nr.41993/2000 cu Banca Mondiala (condus de dl.acad. L.Dragos), in cadrul caruia am efectuat un stagiu de cercetator invitat la Dept. AeMES, University of Florida, SUA si la Worcester Polytechnic Institute, SUA, august-septembrie 2001.

Stagii doctorale: Ecole Polytechnique, Palaiseau, Franta, 1992; CISM, Udine, Italia, 1993; The University of Glasgow, Marea Britanie, 1994.

Profesor invitat: ENTPE, Lyon, Franta, 1996 (6 luni); AeMES, University of Florida, SUA, 2001 (2 luni); Ecole Polytechnique, Palaiseau, Franta, 2004 (1 luna).

Conferinte cu participare internationala sustinute:
   1. Interaction des cavités d'une forme quelconque dans un milieu élastique isotrope, Séminaire G.3S, Ecole Polytechnique, Palaiseau, Franta, 1992.
   2. Concentration des contraintes autour des ouvrages souterrains, LGM, ENTPE, Lyon, Franta, 1996.
   3. Quelques problèmes sur la modélisation des ouvrages souterrains, LMS, Ecole Polytechnique, Palaiseau, Franta, 1996.
   4. Stress concentration of the interaction of two square holes with rounded corners - a comparative study, ICIAM '95, Hamburg, Germania, 1995.
   5. Quelques problèmes sur la modélisation des ouvrages souterrains, LMS, Ecole Polytechnique, Palaiseau, Franta, 1996.
   6. Elastic-viscoplastic instantaneous response around circular and non-circular cylindrical cavities performed in rock salt, MECASALT 5, Bucuresti, Romania, 1999.
   7. Wave propagation in piezoelectric crystals subject to initial deformations and electric fields, 4th EUROMECH, Solid Mechanics Conference, Metz, Franta, 2000.
   8. Wave propagation in piezoelectric crystals of second order, GAMM 2001, Zurich, Elvetia.
   9. Wave propagation in piezoelectric crystals subject to initial fields, AeMES, Univ. of Florida, SUA si Worcester Polytechnic Institute, SUA, 2001.
   10. Propagation of attenuated waves in isotropic solids subject to initial electro-mechanical fields, Conferinta Internationala "New Trends in Continuum Mechanics", Constanta, 2003.
   11. Thermomechanics of underground cavities, Reuniunea GDR-MOMAS-EDF "Simulation d'excavation en comportement hydro-mécanique fragile", Univ. Paris VI, Franta, 2004.
   12. Propagation des ondes atténuées dans des milieux solides déformables soumis aux champs initiaux électro-mécaniques, LMS, Ecole Polytechnique, Palaiseau, Franta, 2004.

Limbi straine cunoscute: franceza (foarte bine), engleza (foarte bine), germana (nivel mediu).

Informatii aditionale: Membru al GAMM, AMS, EUROMECH; Recenzent la Mathematical Reviews, Applied Mechanics Reviews si Zentralblatt fur Mathematik; Co-presedinte al Conferintei Internationale MECASALT 5 (The 5th International Conference on Mechanical Behaviour of Salt), Universitatea Bucuresti, august 1999; Membru al Comitetului Stiintific Consultativ al Benchmark "Simulation d'excavation en comportement hydro-mécanique fragile", organizat de GDR-MOMAS-EDF la Univ. Paris VI, Franta, ian. 2004.

Activitate stiintifica: 3 carti si 35 de articole stiintifice; 40 de conferinte stiintifice sustinute; 50 de citari. Impact articole ISI/autor pentru perioada 2001-2006: 3,14.

Lista lucrarilor stiintifice:

Monografii:
   1. Metode matematice in termomecanica structurilor subterane, Ed. Academiei Romane, Bucuresti, 1999, 152 p.

Cursuri universitare:
   1. Mecanica - note de curs, Ed. Universitatii Bucuresti, 2003, 131 p.

Editor lucrari colective:
   1. Basic and Applied Salt Mechanics. Proceedings of the 5th Conference on the Mechanical Behaviour of Salt, Balkema Publ., Lisse, 2002, 466 p. (co-editor cu N.D. Cristescu and H.R. Hardy Jr.).

Lista nr.1 - Articole publicate in reviste din strainatate

1. An analytical solution of thermoplastic thick-walled tube subject to internal heating and variable pressure, taking into account corner flow, and non-zero initial stress, Int. J. Engn. Sci., vol.34, nr.11, p.1259-1269, 1996 (cu H. Wong).
      - Cotata ISI. Recenzata in Appl. Mech. Rev., vol.50, 3A1275, 1997; Zbl. 901:73027.
2. Closed form solution on the thermoplastic behaviour of a deep tunnel in a thermal-softening material, Mech. Cohesive-Frictional Mat., vol.2, nr.4, p.321-337, 1997 (cu H. Wong).
      - Cotata ISI. Recenzata in Appl. Mech. Rev., vol.51, 6A684, 1998; Wiley InterScience CrossRef.
3. The influence of initial fields on wave propagation in piezoelectric crystals, Int. J. of Applied Electromagnetics and Mechanics, vol.12, p.241-251, 2000.
      - Cotata ISI.
4. Wave propagation in piezoelectric crystals subjected to initial deformations and electric fields, Math. and Mech. of Solids, vol.6, p.437-445, 2001 (cu E.Soos).
      - Cotata ISI. Recenzata in Zbl. 1018.74019.
5. Progressive waves propagation in the meridian plane of a 6mm-type piezoelectric crystal subject to initial fields, Math. and Mech. of Solids, vol.6, p.661-670, 2001.
      - Cotata ISI. Recenzata in Zbl. 1019.74019.
6. The electrostrictive effect on wave propagation in isotropic solids subject to initial fields, Mech. Res. Comm., vol.28, nr.6, p.685-691, 2001.
      - Cotata ISI. Recenzata in Math. Rev. 2002k:74033, Zbl. 1071.74030.
7. Wave propagation in cubic crystals subject to initial mechanical and electric fields, ZAMP, vol.53, nr.6, p.1038-1051, 2002.
      - Cotata ISI. Recenzata in Math. Rev. 2004b:74046, Zbl. 1031.74032 si Smithsonian/NASA ADS Physics Abstract Service 2002ZaMP:53.1038S.
8. Cross-effects in mechanics of solid continua, Balkan J. of Geometry and Appl., vol.10, nr.1, p.165-174, 2005.
      - Recenzata in Math. Rev. 2006i:74010.
9. Attenuated wave propagation on a face of a cubic crystal subject to initial electro-mechanical fields, Int. J. of Applied Electromagnetics and Mechanics, vol.22, nr.1-2, p.111-120, 2005.
      - Cotata ISI.
10. Propagation of attenuated waves along an edge of a cubic crystal subject to initial electro-mechanical fields, Math. and Mech. of Solids, vol.12, nr.1, p.107-118, 2007.
       - Cotata ISI. Recenzata in Math. Rev. 2284616.

Lista nr.2 - Articole publicate in reviste ale Academiei Romane

1. The effect of concentrated loads in quasi-static coupled thermoelasticity, Stud. Cerc. Mat., vol.44, nr.6, p.543-548, 1992.
      - Recenzata in Math. Rev. 93j:73012, Zbl. 768:73009.
2. Stress concentration around "square" holes, Rev. Roumaine Sci. Techn., Mec. Appl., vol.38, nr.4, p.383-392, 1993 (cu H.Wong).
      - Recenzata in Appl. Mech. Rev., vol.47, nr.5, 5A268, Zbl. 900:73098.
3. Asymptotic analysis for stress concentration around square holes with rounded corners, Rev. Roumaine Sci. Techn., Mec. Appl., vol.40, nr.2-3, p.349-372, 1995.
      - Recenzata in Zbl. 882:73008.
4. Error analysis in the problem of stress concentration around cavities, Rev. Roumaine Math. Pures et Appl., vol.45, nr.2, p.333-341, 2000.
      - Recenzata in Math. Rev. 2002C:74031, Zbl. pre01752456.
5. Stress concentration around circular and non-circular cavities - the elastic solution, Rev. Roumaine Math. Pures et Appl., vol.46, nr.4, p.535-544, 2001.
      - Recenzata in Math. Rev. 1910314, Zbl. pre02037775.
6. Viscoplastic instantaneous behaviour around circular and non-circular cavities, Rev. Roumaine Math. Pures et Appl., vol.48, nr.3, p.299-309, 2003.
      - Recenzata in Math. Rev. 2038206.
7. On the relative motion of systems of particles, Rev. Roumaine Math. Pures et Appl., vol.49, nr.4, p.377-383, 2004.
      - Recenzata in Math. Rev. 2005i:70016.
8. On the relative motion of continua, Rev. Roumaine Math. Pures et Appl., vol.50, nr.4, p.357-365, 2005.
      - Recenzata in Math. Rev. 2006b:74006.
9. The study of initial fields influence on propagation of attenuated waves on a face of a cubic crystal, Rev. Roumaine Math. Pures et Appl., vol.51, nr.3, p.379-390, 2006.
      - Recenzata in Math. Rev. 2275830.
10. Initial fields influence on attenuated wave propagation in isotropic solids, Math. Rep., vol.8(58), nr.2, p.239-250, 2006.
       - Recenzata in Math. Rev. 2267946.

Lista nr.3 - Articole publicate in reviste ale universitatilor

1. On a monotonicity problem in the theory of rigid-viscous-plastic fluid of Bingham, An. Univ. Buc., vol.34, p.61-65, 1985.
   - Recenzata in Math. Rev. 87a:76023, Zbl. 593:76005.
2. On some singular differential equations, An. Univ. Buc., vol.38, nr.1, p.47-55, 1989.
   - Recenzata in Math. Rev. 92e:73020, Zbl. 738:34015.
3. Loading path dependence regarding the thermoplastic behaviour of tunnels, An. Univ. Buc., vol.40, p.61-66, 1996.
   - Recenzata in Zbl. 883:73065.
4. Instability critical loads of the fiber reiforced elastic composites, An. St. Univ. "Ovidius" Constanta, seria Matematica, vol.12, p.98-108, 2005 (cu E.M.Craciun).
      - Recenzata in Math. Rev. 2006i:74012.

Lista nr.4 - Articole publicate in volumele unor conferinte cu participare internationala

1. Thermoplastic behaviour of tunnels for a cohesive-frictional material, Proc. of First Int. Symp. on Thermal Stresses and Related Topics "THERMAL STRESSES '95", Hamamatsu, Japan, p.549-552, Taylor and Francis Publishers, 1995 (cu H.Wong).
2. Stress concentration of the interaction of two square holes with rounded corners-a comparative study, ICIAM '95, Hamburg, Germania, ZAMM, vol.76, nr.5, p.479-481, 1996 (cu S.Roatesi).
3. Numerical results concerning the thermoplastic behaviour of a circular tunnel for Coulomb type materials, Proc. 6 Symp. Math. Appl., Univ. "Politehnica" Timisoara, p.166-171, Ed. MIRTON, 1995.
      - Recenzata in Zbl. 954.74539.
4. New results concerning the thermo-mechanical behaviour of underground cavities, Proc. 7th. Symp. of Math. and Appl., Univ. "Politehnica" Timisoara, p.227-232, Ed. Univ. "Politehnica" Timisoara, 1997.
5. Numerical analysis of the evolution of a circular tunnel in a viscoplastic rock mass with an inelastic lining, Proc. Euro. Congr. Comput. Mech., ECCM '99, Munchen, p.456-468, 1999 (cu S.Roatesi).
6. Elastic-viscoplastic instantaneous response around circular and non-circular cavities performed in rock salt, Proc. 5th. Int. Conf. on Mech. Behavior of Salt, MECASALT V, Univ. Bucuresti, p.363-366, Balkema Publishers, Lisse, Olanda, 2002.
7. Thermomechanical evolution of underground cavities, Proc. of the Third Workshop on "Mathematical Modelling of Environmental and Life Sciences Problems", Univ. "Ovidius" Constanta, ed. S.Ion, G.Marinoschi, C.Popa, p.277-284, Ed. Academiei Romane, 2004.
8. Propagation of attenuated waves in isotropic solids subject to initial electro-mechanical fields, Proc. Int. Conf. "New Trends in Continuum Mechanics", Univ. "Ovidius" Constanta, Ed. Theta, p.267-276, 2005.
      - Recenzata in Math. Rev. 2007a:74045.
9. The influence of initial fields on the propagation of attenuated waves along an edge of a cubic crystal, Proc. of the Fourth Workshop on "Mathematical Modelling of Environmental and Life Sciences Problems", ed. S.Ion, G.Marinoschi, C.Popa, Ed. Academiei Romane, Bucuresti, p.239-250, 2006.
10. Decomposition of waveguides propagating in piezoelectric crystals subject to initial fields, Proc. of the Fifth Workshop on "Mathematical Modelling of Environmental and Life Sciences Problems", ed. S.Ion, G.Marinoschi, C.Popa, Ed. Academiei Romane, Bucuresti, 2007 (va apare).

Lista nr.5 - Articole diverse

1. Viata si activitatea academicianului Victor Valcovici, Lucrarile Colocviului National Studentesc "Istoria si Filosofia Stiintei", vol.1, p.204-210, Iasi, 1982.
2. Analiza asimptotica a concentrarii tensiunilor in jurul cavitatilor patrate cu colturi rotunjite, Bul. XVIII Conf. de Mec. Solidelor, vol.2, p.171-178, Constanta, 1994.
3. Consideratii asupra comportamentului termoplastic al cavitatilor subterane, Bul. XIX Conf. de Mec. Solidelor, vol.2, p.26-33, Targoviste, 1995.

Actualizat: 24 mai 2007