Dimitar Petrov DONTCHEV

Date of birth: August 29th, 1959

 

Address: Applied Mechanics,

    Department physico -mathematical and technical sciences;

   University of Chemical Technology and Metallurgy

   8 Kliment Ohridski boulevard, 1756 Sofia, Bulgaria

   Phone:   359 2 8163 466 ,

   GSM: 359 898 842 243

   E-mail:  dontchev@uctm.edu

 

 

Previous Experiences :

2005 -Invited professor for the period from June 06th, 2005 till July 06th, 2005 and participation in a research on the Mechanical Investigations of the Effectiveness and Application of Composite Materials on the Rehabilitation of Reinforced Concrete Civil Structures Containing Structural Defects in the Group of Mechanics, Materials and Structures, University of Reims Champagne region Ardenne, Rue des Crayères, BP 1035 51687 Reims Cedex 2, France.

2004 -Associated Professor in Applied Mechanics to the University of Chemical Technology and Metallurgy, Department of Applied Mechanics, 8 Kl. Ohridski boulevard, 1156 Sofia.

2004 -Deputy Manager of the Course in “Industrial Chemistry " taught in French at the University of Chemical Technology and Metallurgy of Sofia, Representative of International Relations.

2002 -Deputy Manager of the Course in “Industrial Chemistry " taught in French at the University of Chemical Technology and Metallurgy of Sofia, Responsible for the First cycle of study.

2000 -Invited Professor for the period from April 15th, 2000 till June 15th, 2000 and participation in a research on the Mechanical Behaviour of RC Members Externally Strengthening with Bonded FRP Sheets in the Group of Mechanics, Materials and Structures, University of Reims Champagne -Ardenne, Rue des Crayères, BP 1035 51687 Reims Cedex 2, France.

1996 -Associated Assistant in Applied Mechanics at the University of Chemical Technology and Metallurgy, Department of Applied Mechanics, 8 Kl. Ohridski boulevard, 1156 Sofia

1996 -Professor invited for the period from January 08th, 96 till April 02nd, 96 and participation in a research on Mechanical Behaviour and Damage of Glass-Epoxy Composite Tubes acquired by winding filamentary in ± 55 ° in the Laboratory of Mechanics of Soil, Structures and Materials, Central School of Paris, Grande Voie des Vignes, 92295 Châtenay -Malabry CEDEX, France.

1993 -Teaching in the Centre for Engineering Studies “Industrial Chemistry” taught in French at the University of Chemical Technology and Metallurgy of Sofia.

1990 -Assistant in Mechanics in the Mechanics of the Solid at the University of Chemical Technology and Metallurgy, Department of Applied Mechanics, 8 Kl. Ohridski boulevard, 1156 Sofia.

 

Major Fields of Scientific Research :

My research activities follow a general orientation defined by the study of mechanisms and mechanics of behaviors of materials, relation between composition, microstructures and properties of materials, mechanical behavior, damage and fracture of structurale materials and structures.

Education Activities :

Strength of Materials

Mechanics

Mechanics of materials

Finite Elements Method

 

 

Education :

1984-1989 – Doctor of Philosophy in Technical Sciences (Solid Mechanics) supported at the Institute of Mechanics and Biomechanics, Bulgarian Academy of Sciences and accomplished in the University of Chemical Technology and Metallurgy

Doctoral thesis: A Model of Damaging and Fracture of Viscoelastic Materials

1979–1984 - Engineer of the High School of Architecture and of Civil engineering (University of Architecture, Civil engineering and Geodesy)

 

 

Scientific notions : 2002 - 2008

 

A. – Articles, participations in the congresses, conferences and the colloquies :

 

1. Zhelyazov T. , Assih J. , Dontchev D.,Li A., Failure behavior of a FRP

strengthened RC beam. Delamination of the concrete cover. AUGC- Nancy,

France, 21/04/2008.

 

2. Zhelyazov T. , Assih J. , Dontchev D.,Li A., Modeling of the response of a

reinforced concrete beam to the applied load, Huitième conférence des

utilisateurs du logiciel CAD-FEM GmbH, http://www.cadfem.ru/?id=47, 2008, pp

221 – 225.

 

3. Zhelyazov T., Dimitar Dontchev, Alex Li, Yves Delmas, Effect of filament

winded composite materials confinement on mechanical behavior of concrete

members in compression, 18ème Congrès Français de Mécanique, Grenoble, 27-

31 août 2007.

 

4. C.Pavlitov, Y.Gorbunov, R.Rusinov, A.Alexandrov, K.Hadjov, D.Dontchev,

An Approach to Identification of a Class of Switched Reluctance Motors,

Symposium on Power Electronics, Electrical Drives and Automated Motion -

SPEEDAM 2008, June 2008, Napoli, Italy

 

5. Hadjov. K, D. Dontchev, 3D Damage Development in Uniaxial Short Fiber

Structure Element, НАУЧНИ ТРУДОВЕ на РУ А. Кънчев– 2007.

 

6. Zhelyazov T., Dimitar Dontchev, Alex Li, Yves Delmas, Mechanical Analysis of

Externally Strengthened RCMembers in Compression, 11th International

Conference on Mechanics and Technology of Composite Materials, Sofia,

September 2 - 4, 2006, Bulgarian Academy of Sciences, pp. 328 - 333.

 

7. Zhelyazov T., Dimitar Dontchev, Alex Li, Yves Delmas, Analysis of Shear

Failure Behavior of Reinforced Concrete Beams, 11th International Conference on

Mechanics and Technology of Composite Materials, Sofia, September 2 - 4,

2006, Bulgarian Academy of Sciences.

 

8. Hadjov, Kl., D. Dontchev, Environmentally induced creep damage, Proceedings

of the 11 TH International Conference on Mechanics and Technology of composite

materials, Sofia, 2 – 4 September 2006, pp. 216 – 221, Bulgarian Academy of

Sciences.

 

9. Dontchev D., A. Li, Analytical Model for CFRP Sheets Bonded to Damaged

Concrete Beam in Tension, Structural Engineering and mechanics, 2003.

 

10. Hadjov Kl., D. Dontchev, Critical Crack Concentration for Isotropic Solids,

Journal of the University of Chemical Technology and Metallurgy, XXXVII, 4

(2002), pp. 127 – 132.

 

11. Hadjov Kl., D.Dontchev, Displacement of the Neutral Axis by Bending of

Bimodal Viscous Beam, Journal of the University of Chemical Technology and

Metallurgy, XXXVII, 3 (2002), pp. 101 – 108.

 

12. K.B.Hadjov, D.P.Dontchev, Y.Delmas, A.Li, Damage Model to Predict the Life -

Time in 3D, 17-ème Congres Français de Mécanique, Troyes, France,2005.

 

13. K.Hadjov,A. Alexandrov, D. Dontchev, Anisotropic Elastoplasticity For Fibre

Reinforced Materials, Congress “Mashinostroene”, Varna,2004.

 

14. Александров А., Д. Дончев, Ц. Цолов, Термични ефекти в гумено-метални

изделия, Национален семинар “Синтез и анализ на механизми – 2003”, 27 –

29 юни 2003, гр. Сливен.

 

15. Александров А., Д. Дончев, Ц. Цолов, Топлообразуване при циклично

деформиране на гумено-метални технически изделия, 10 Международна

конференция по механика и технология на композитните материали,

София, 15-17 септември, 2003, Българска Академия на Науките.

 

16. Dimitar D., Analyses of RC Structures Strengthened with CFR Plates,

Национален семинар “Синтез и анализ на механизми – 2003”, 27 – 29 юни

2003, гр. Сливен.

 

17. Dimitar D., Behavior of Retrofit/Upgraded RC Beams Using Externally Bonded

FRP Plates, Jubilee Scientific Conference on the Occasion of the 50 th

Anniversary of the University of Chemical Technology and Metallurgy, 2003,

Sofia.

 

18. Dimitar D., Static Analyses of RC Beams Strengthened with CFRP Composite

Laminates, 10th International Conference on Mechanics and Technology of

Composite Materials, Sofia, September 15 -17, 2003, Bulgarian Academy of

Sciences.

 

19. Dontchev D., A. Li, Y. Delmas, Predicted Failure of Strengthened Concrete

Beams, The CCC 2003 - Composites in Construction International Conference,

16-19 September 2003, University of Calabria, Rende (CS), ITALY.

 

20. Dontchev D., A. Li, Y. Delmas, Shear and Normal Stress in Strengthened

Damaged Concrete Beam, The CCC 2003 - Composites in Construction

International Conference, 16-19 September 2003, University of Calabria, Rende

(CS), ITALY.

 

21. Dimitar D., A. Li and Y. Delmas, Comportement en traction des poutres en

béton armé rehabilitées/renforcées par collage de matériaux composites (Tissus

en fibres de carbone et matrice en époxyde), Conférence internetionale Science

et technologies SCITECH – 2002, 4-5 December 2002, Sofia, Journal of the

University of Chemical Technology and Metallurgy, XXXVII, 5 (2002), pp. 263 –270.

 

22. Koleva D., D. Dontchev, Elasticité anisotrope des composites fibreux,

Conférence internetionale Science et technologies SCITECH – 2002, 4-5

December 2002, Sofia, Journal of the University of Chemical Technology and

Metallurgy, XXXVII, 5 (2002), pp. 257 – 262.

 

23. Dontchev D., A. Li, Y. Delmas, Effects of Tensile Loads on the Performance of

CFRP Strengthened RC Beams, Proceedings of Jubilee Scientific Conference on

the Occasion of the 60 th Anniversary of the University, University of Architecture,

Civil Engineering and Geodesy – Sofia, 20-23 November 2002, vol. 2, pp. 23 –33.

 

24. Dontchev D., A. Alexandrov, Repair/Strengthening of RC Beams with

Externally-Bonded CFRP Reinforcement, Proceedings of International

Conference VSU (Higher School of Construction Engineering), 29 – 31 May 2002,

Sofia, pp. II-41 – II-47.

 

B. – Scientific Projects

 

1. Centre Interdisciplinaire de Formation et de Recherche "Siences et techniques"

(CIFR SciTech).

 

2. Effect of filament winded composite materials confinement on mechanical behavior

of concrete members in compression, 2007, № 10 434, manager of the project.

 

3. Mechanical Investigations of the Effectiveness and Application of Composite

Materials on the Rehabilitation of Reinforced Concrete Civil Structures Containing

Structural Defects, 2006 -2009, National Science Found, Ministry of Education and

Science of Bulgaria, Project No ВУ-ТН-217.

 

4. Etude du comportement micro et macromecanique de joints collés métaux –

matériaux composites, 2006, № 10329, responsable du projet, 2006, № 10329,

manager of the project.

 

5. Etude de l’application de matériaux composites pour renforcement des éléments et

structures en béton armé (Aspect mécanique), 2005, N 10207, responsable du

projet, 2005, N 10207, manager of the project

 

6. Etude théorique et expérimentale de structures en béton armé renforcées par collage

de matériaux composites, Programmes des Actions Intégrées – PAI Rila, projet №6,

2003 -2005.

 

7. Comportement mécaniques d’alliages de base Ni dans la gamme de température 20

- 1400° C assisté par oxydation dans différents con ditions mécaniques, N - НН5 - 44

/13. 07. 2001, 2001 – 2004.

 

C. – Books and Manuals:

 

1. Hadjov Kl., D. Dontchev, Strength of Materials, Filière Francophone de l’UCTM de

Sofia, 2003 .

 

2. Hadjov Kl., D. Dontchev, Introduction in the Finite Elements Method, Filière

Francophone de l’UCTM de Sofia, 2003.

 

D. Scientific and Academic Relations:

 

1. GMMS, UFR Sciences, University of Reims Champagne-Ardenne, Moulin de la

Housse, BP1039, 51687, Reims, France

 

2. Institut National des Sciences Appliquées de Lyon, France

 

3. Université du Maine, République Française.

 

 

 

23. 04. 2008, Sofia