Institute of Mechanics

Position: Assoc. Professor, Head of department

Department: Multibody System Mechanic

Room number: 225

Phone: +359 2 979 6434

E-mail: abadjiev@imbm.bas.bg

Scientific degrees, institution, year:

Master of Sciences of Mech. Eng., University of Russe, 1970

Ph. D. of Applied Mehanics, Union Center ot Mathematics and Mechanics – BAS, 1985

Doctor of Sciences of Applied Mehanics, Bulgarian Academy of Sciences -Institute of Mechanics, 2007

Fields of Research:

Applied mechanics

Spatial gearing

Mathematical modelling (for synthes of skew-axes gears and for recostuction of car crashes)

Recent Publications:

1. Abadjiev, V. On the Relative Motion in Tooth Contact Points Of Hyperboloid Gears. Comptes Rendus De L’Academie Bulgare Des Sciences, Tome 61, No 6, Sofia, 2008, pp.801-810.

2. Abadjiev, V., E. Abadjieva. Vector Analysis of Sliding Velocity Function of Rack Drives. Journal of Theoretical and Applied Mechanic, Volume.37, No 4, Bulgarian Academy of Sciences, Sofia, 2007, pp. 15-24

3. Abadjiev, V., D. Petrova, E. Abadjieva. Mathematical Modelling for Synthesis and Design of Non-Orthogonal Wormgears with Straight-line Tooth Contact. III Europeean Conference on Computational Mechanics of Solids, Structures and Coupled Problems in Engineering, C.A. Mota Soares et. al. (eds), Lisbon, Portugal, 5-8 June 2006, (Published on CD)

4. Abadjiev, V., D. Petrova, E. Abadjieva. Geometric Conditions for Existing of Hyperboloic Gears Pitch Circles. Proceedings of the 2^nd International Conference “Power Transmissions’ 06”, 25-26 April 2006, Novi Sad, Serbia & Montenegro, pp.111-116.

5. Abadjiev, V., D. Petrova, E. Abadjieva. An optimization of Type Wildhaber Gear sets Based on Loading capacity. A Software estimate of the Hydrodinamic Loading capacity, In Proc.: 15^th Int. Conf. on Manufacturing Systems ICMaS 26-27 October 2006, Proceedings, Editura Academia Romane, Bucharest, 2006, pp. 425-428.

6. Abadjiev, V., D. Petrova, E. Abadjieva. An optimization of Type Wildhaber Gear sets Based on Loading capacity. Kinematic Approach to Criteria Construction, In Proc.: 15^th Int. Conf. on Manufacturing Systems ICMaS 26-27 October 2006, Proceedings, Editura Academia Romane, Bucharest, 2006, pp. 421-424.

7. Abadjiev, V., D. Petrova, E. Abadjieva. Geometric Conditions for Existing of Hyperbolic Gears Pitch Circles. The 2^nd International Conference “Power Transmissions ‘06”, 25 -26. April 2006, Novi Sad, Serbia & Montenegro, pp 111-116.

8. Abadjieva E., Abadjiev V. On the Synthesis of Hypoid Gears with Linear Contact. Part II – Geometric Synthesis of the Planoid Gearing. 10th Jubilee National Congress on Theoretical and Applied Mechanics, 13-16 September 2005, pp. 7-11

9. Abadjieva E., Abadjiev V. On the Synthesis of Hypoid Gears with Linear Contact. Part I – Geometric Synthesis Practices in the Pitch Contact Point. 10th Jubilee National Congress on Theoretical and Applied Mechanics, 13-16 September 2005, pp. 1-6

10. Abadjiev, V. Spatial Transformation of Rotation When the Conjugate Tooth Surfaces Contact in the Pitch Contact Point. Engineering Mechanics, Vol. 10, No 4, Brno, 2003, pp. 277-284.

11. Abadjieva, E., V. Abadjiev. Geometric Synthesis of Face Helicoids. National Conference with International Participation, “Engineering Mechanics”, 12-15 May 2003, Svratka, Ceska Republika, paper No 277, 2003, Published on CD.

12. Abadjiev, V. Kinematic Theory of Spatial Friction – Wheel Rotation Converter, Mechanism and Machine Theory. A Scientific Journal of IFToMM, Volume 38, Elsevior Ltd, Pergamon, 2003, pp. 1185-1197

13. Abadjieva E., Abadjiev, V. On the Synthesis of Spatial Rack Mechanisms, Inzenyrska Mechanika, 13-16 May 2002, Svratka, Ceska Republika, Published on CD, 2002

14. Abadjiev, V. Mathematical Modelling for Synthesis of Spatial Gears., Journal of Process Mechanical Engineering., Proc Inst. Mech Engrs, Vol. 216, Part E, 2002, pp. 31-46.

15. Аbadjiev, V., E. Abadjieva. Aspects of the Mathematical Modelling of Rear Impact Car Crash Processes, International Body Engineering Conference & Exhibition and Automotive & Transportation Technology Congress, July 2002, Paris, FRANC, Session: Rear Crash, Bumpers & Pedestrian Safety, Paper Number 2002-01-2107.

16. Abadjieva, E., V. Abadjiev. Synthesis of Conjugate Tooth Surfaces of Spatial Rack Mechanism. Proceedings of the 9^th National Congress on Theoretical and Applied Mechanics, 19 -22 September 2001, Volume 1, Sofia, pp 320 -322

17. Abadjiev, V. On the Helical Tooth Flank Synthesis of Skew-Axes Gear Pairs, Journal of Mechanism and Machine Theory, Pergamon, 36, 2001, pp.1135-1146.

18. Abadjiev V., P. Gospodinov, E. Abadjieva. Car Crash Passenger Place Identification, Journal Archives of Transport, volume 13, issue 1,Polish Academy of Sciences,Warsaw, 2001, pp. 5-14

19. Abadjiev, V. Pitch Point Мathematical Model for Synthesis of Skew-Axes Gears. Engineering Mechanics, Vol. 7, No 3, Brno, 2000, pp. 185-190.

Recent Projects:

- Project No TH 310/93 “Mechanical Systems for Rotations Transformation between Arbitrarily Skewed in the Space Axes by Discrete Conjugate Surfaces”, National Fund “Scientific Research” by Ministry of Education and Sciences, 1993 –1996, (Project manager)

- Project “Theoretical and Experimental Research of Mechanical and Biomechanical Systems”, Institute of Mechanics – BAS and Institute of Applied Mathematics –RAS, 1995 –1998, (Project manager)

- Project No TH 820/98 “Research on Regular and Random Processes of Multibody Systems”, National Fund “Scientific Research” by Ministry of Education and Sciences, 1998-2001, (Project manager)

- Project No ТН 15/05 “Robotically Devices for Rescue Operations”, National Fund “Scientific Research” by Ministry of Education and Sciences, 2005- (Member).

Membership:

- Scientific Council of Institute of Mechanics – BAS,

- Federation of the Scientific and Tehnical Unions in Bulgaria;

- Union of Bulgarian Scientists;

- Union of Bulgarian Standardization Society

Honors:

- Medal “Honorable Inventor”, Government Committee of Sciences, 1987;

- Honor Diploma from National Science Fund for Research Achievements During the Third National Session of National Science Fund, Minsitry of Education and Sciences, 1993-1996;

- Honor Diploma from National Science Fund for Research Achievements During the Eight National Session of National Science Fund, Minsitry of Education and Sciences, 1998-2001

Home page

Institute of Mechanics tel.: +359 2 973 31 40; fax: +359 2 870 74 98; e-mail: office@imbm.bas.bg