The 12 National Congress on Theoretical and Applied Mechanics will be held at the Hotel Congress Spa Complex Frederic Joliot-Curie in the beautiful Saints Constantine and Helena resort, Bulgaria, 23-26 September 2013. It is located on the Black Sea coast, 10 km north of Varna, where the oldest golden treasure in the world, dating to 5,000 BC, was found, and the Black Sea September is perfect for sunbathing on the beach.

Accommodation and Transport

Congress participants will be accommodated in the Hotel Congress Spa Complex Frederic Joliot-Curie, as well as in other nearby hotels. Please find more details on: as well as on Additional details on accommodation and transport will be available on the Congress webpage. Attendees from countries for which visa is required should contact the organizers for an invitation letter as soon as possible.


Since its inception in 1969, the quadrennial congress organized by the National Committee of Theoretical and Applied Mechanics and the Institute of Mechanics (Bulgarian Academy of Sciences) has become major scientific event, gathering Bulgarian and foreign scientists and engineers from academia and industry. The 12th NCTAM will feature a rich scientific programme providing a perfect opportunity for researchers to present their latest results and exchange ideas on all topics of theoretical and applied mechanics.

Advertising Opportunities,Call for sponsorship

Organizations, companies and individuals are invited to become sponsors of the 12th NCTAM. The sponsors will have a good opportunity of placing their banner and text links on the Congress and the Institute of Mechanics (Bulgarian Academy of Sciences) websites. They will be able to to circulate advertising leaflets and brochures and organize exhibitions during the event. If you are interested in advertising, please, contact us via e-mail ( or phone (+359 2 979 6420).

250 Euro paid before 15 June 2013
300 Euro paid after 15 June 2013
100 Euro – for an accompanying person
Members of the Bulgarian Society of Theoretical and Applied

100 BGN paid before 15 June 2013
130 BGN paid after 15 June 2013

Graduate and postgraduate students can apply for up to 50% reduction of the registration fee. The regular fee will cover participation in all sessions, the Congress book of abstracts and the Congress proceedings, welcome reception, lunches and coffee breaks, banquet and excursions. Lunches for participants will be arranged at the Hotel Congress Spa Complex Frederic Joliot-Curie. The reduced fee will cover participation in all sessions, the Congress book of abstracts and the Congress Proceedings, welcome reception and coffee breaks.

Social Programme

Visits to the Varna Archaeological Museum, the medieval Orthodox Christian cave Aladzha Monastery and the town of Balchik will be organized for participants and accompanying
persons. A social program will be arranged for the accompanying persons – mini-excursions, half-day tour to Varna, etc.


Peter Djondjorov
Tel.: +359 2 979 6420; +359 2 979 6478;
Fax: +359 2 870 7498


The Organizing Committee is pleased to announce that the 12th National Congress on Theoretical and Applied Mechanics will be held on 23-26 September 2013 at the Saints Constantine and Helena resort, one of the best beach resorts of Bulgaria. The organizers of the Congress intend to provide opportunities for scientists and engineers working in the field of mechanics to exchange new ideas, discuss current research and establish a
basis for future collaboration. We believe that the beautiful nature of the northern seaside will contribute to the friendly and informal atmosphere of the event.

Congress Topics

General Topics in Mechanics

Analytical mechanics; Stability analysis and control of body motion; Computational mechanics; Vibration; Dynamical systems; Thermodynamics and statistical mechanics; Theory of mechanisms and machines; History of mechanics.

Solid Mechanics

Elasticity; Plasticity; Damage and fracture; Composite materials; Smart materials; Material modelling; Beams, plates and shells; Dynamics of structures; Noise and vibrations; Contact problems; Coupled fields; Impact and wave propagation; Seismic
mechanics; Micro- and nano-mechanics.

Fluid Mechanics

Viscous fluids; Conducting and magnetic fluids; Compressible and rarefied gases; Boundary layers; Bubbles and drops; Thin films and jets; Multiphase flows; Flow in porous solids; Waves; Turbulence; Heat and mass transfer; Combustion and flames; Microfluidics; Geophysical and environmental fluid dynamics; Experimental methods in fluid mechanics, Ship hydrodynamics.

Mechanics of Multi-Body Systems

Kinematics and dynamics of multi-body systems; Mechatronics; Robotics; Identification of mechanical systems; Control and optimization of structures and mechanisms; Micro- and nanorobotics; Mobile robots.


Biological flows; Mechanics of cardiovascular system; Biorheology; Molecular biomechanics; Tissue engineering; Mechanics of bones and tissues; Locomotion; Orthotics and prosthetics; Rehabilitation robotics; Human-robot interaction.

Mechanics and Technology of Composite Materials

Design and characterization of macro-, micro- and nanostructured materials; Non-metallic composite materials; Polymer nanocomposites; Reinforced polymers, foams and recycled plastics; Fibre reinforced high-strength concrete; Selfcompacting concrete; Development of composite materials and nanocomposites of controlled structure and properties.


Conference Scientific Committee

Anguel Baltov (Institute of Mechanics-BAS)
Stefan Radev (Institute of Mechanics-BAS)

Venelin Zhivkov (Technical University-Sofia)
Valentin Abadjiev (Institute of Mechanics-BAS)
Georgi Zahariev (Institute of Mechanics-BAS)
Daniel Danchev (Institute of Mechanics-BAS)
Dora Karagiozova (Institute of Mechanics-BAS)
Zapryan Zapryanov (Sofia University)
Yordanka Ivanova (Institute of Mechanics-BAS)
Kliment Hadjov (University of Chemical Techn. and Metallurgy-Sofia)
Kosta Mladenov (University of Architecture, Civil Engineering and Geodesy)
Konstantin Kazakov (VSU “L. Karavelov”)
Kostadin Kostadinov (Institute of Mechanics-BAS)
Ljubomir Lilov (European Polytechnical University)
Mitko Mihovski (Institute of Mechanics-BAS)
Nikolay Minchev (Technical University-Varna)
Nadia Antonova (Institute of Mechanics-BAS)
Nikolay Vitanov (Institute of Mechanics-BAS)
Petia Dineva (Institute of Mechanics-BAS)
Petar Kolev (Todor Kableshkov University of Transport )
Sonya Tabakova (Technical University-Sofia)
Svetozar Margenov (Institute of Information and Communication Technologies-BAS)
Tsviatko Rangelov (Institute of Mathematics and Informatics-BAS)
Alexander Rachev (Institute of Mechanics-BAS).

Local Organizing Committee

Chairmen: Ya. Ivanov, V. Kavardjikov
Secretary: P. Djondjorov

Members: R. Kotsilkova, N. Vitanov, N. Antonova, M. Datcheva,
N. Pesheva, V. Vassilev, M. Natova, A. Yanakieva, R.
Kazandjiev, A. Kazakov, V. Chirikov, I. Veneva, St. Karastanev,


Congress participants may choose to publish their full-length contributions in either the Congress proceedings, or the journals issued by the Institute of Mechanics. Special Issues of internationally refereed journals are also envisaged.


15 March 2013 – submission of proposals for parallel minisymposia
15 April 2013 – on-line abstract submission
15 May 2013 – notification of abstract acceptance
15 June 2013 – early registration

Address for Correspondence

12th NCTAM
Acad. G. Bonchev St., Bl. 4
1113 Sofia, Bulgaria
Fax: +359 2 870 7498