Home / Faculties / Faculty of Structural Engineering / Phone book /

Assoc. Prof. Dr. Eng. Sonia Parvanova-Yoncheva

Faculty of Structural Engineering - Deputy dean for academic activities

Faculty of Structural Engineering, Department Structural Mechanics

Assoc. Prof. Dr. Eng. Sonia Parvanova-Yoncheva
Office Room B 441
Phone 9635245/463
Fax втори e-mail: slp_y@abv.bg
E-mail slp_fce@uacg.bg
Marital Status married
Year Started 2001

Lectures

Structural Mechanics
Dynamics of structures
Stability of structures
Finite element method
Limit state analysis

Education

1999 - MSc in Civil Engeneering-University of Architecture, Civil Engineering and Geodesy – Sofia, Faculty of Civil Engineering
2008 - PhD in "Structural Mechanics, Strength of Materials"

Science Interests

Research in the fields of numerical methods and fracture mechanics, boundary element method (BEM) and its application for 2D elastostatics and elastodynamics.

Application of BEM for modelling of finite, semi-infinite, and infinite regions, containing different types of heterogeneities

Participation in Research Projects

Mathematical modelling of nonlinear behaviour of structures made of quasi-brittle materials like concrete by using Fracture Mechanics principles
Research project to the ministry of education and sciences, № TN–1406/04, Prof. G. Gospodinov, Assoc. Prof. K. Kazakov, Assist. Prof. I. Kerelezova, Assist. Prof. S. Parvanova, Prof. M. P. Nielsen.

Development of models for nonlinear behaviour of structures made of quasi-brittle materials like concrete by using Fracture Mechanics principles
Research project to the ministry of education and sciences, № BN–54/2004, Prof. G. Gospodinov, Prof. M. P. Nielsen, Assoc. Prof. K. Kazakov, Assist. Prof. I. Kerelezova, Assist. Prof. S. Parvanova.

Development of dual boundary element method for some problems of linear and nonlinear fracture mechanics
Research project to the research and design centre of UACEG, Sofia, № ND-40/08, 2008, Prof. G. Gospodinov, Assist. Prof. S. Parvanova.

Application of boundary element method for lightly reinforced concrete beams and its development for some problems of micro-mechanics
Research project to the research and design centre of UACEG, Sofia, № BN-97/09, 2009, Prof. G. Gospodinov, Assist. Prof. S. Parvanova, O. Vladimirov.

 

Participation in International Projects

Dynamic Behaviour and Seismic Response of Geological Deposits Containing Underground Structures as Tunnels or Pipe-lines by the Boundary Element Method, Ministry of Education, fund “Science”, project № BG051PO001-3.3-05/0001 according to project «Science and Business», financed by «Human Resources Development» Operational Program, one month education in high technology science complexes and infrastructures - Christian-Albrechts-University of Kiel, Institute of Applied Geo-Science.18.11-18.12.2013.

Academic Positions

2012- Associate Professor
2001-2012 Assistant Professor

Other Posts and Activities

Fracture mechanics, Boundary element method, Singular fields, Constitutive modeling

Publications

S. PARVANOVA, D. DINEV, I. BAYCHEV, Static analysis of regular frames with various column-to-beam stiffness ratio, Construction journal, vol. 1, 2002.


D. DINEV, S. PARVANOVA, И I. BAYCHEV, To the correct modelling of regular frames with different ratio of beam bending stiffness to column bending stiffness in dynamic analysis, Proc. of Jubilee Scientific Conference UACEG2002, November 2002, Vol.6, Sofia, pp. 227-234, (2002).


SONIA L. PARVANOVA, KONSTANTIN S. KAZAKOV, IRINA G. KERELEZOVA, GOSPODIN K. GOSPODINOV, MOGENS P. NIELSEN, Modelling the nonlinear behaviour of R/C beams with moderate shear span and without stirrups using ANSYS, Proc. of Scientific International Conference, VSU “Liuben Karavelov”, 26-27 May, 2005, Sofia, Bulgaria.


S. PARVANOVA, K. KAZAKOV, I. KERELEZOVA, G. GOSPODINOV, M. P. NIELSEN, On a diagonal numerical crack model of RC beam with no shear reinforcement, Proc. of 10th Jubilee National Congress on Theoretical and Applied Mechanics, 13-16 September, 2005, Varna, Bulgaria.


PARVANOVA, S., GOSPODINOV, G., Review and analysis of methods for modelling reinforced concrete shear beams, Annual of UACEG dedicated to 90 Anniversary of Prof. Hristo Varbanov’s Birthday, Sofia, Vol. XLII, fascicule VI, pp. 83-102, 2005-2006.


PARVANOVA, S., GOSPODINOV, G., On a nonlinear concrete constitutive model applied to discrete cracks, Annual of UACEG dedicated to 90 Anniversary of Prof. Hristo Varbanov’s Birthday, Sofia, Vol. XLII, fascicule VI, pp. 103-124, 2005-2006.


PARVANOVA, S., The dual boundary element method, Annual of UACEG, Sofia, Vol. XLII, fascicule VIIb, pp. 107-126, 2005-2006.


PARVANOVA, S., GOSPODINOV, G., The dual boundary element method applied to development of multiple discrete cracks, Proc. of International Conference on Civil Engineering Design and Construction (Science and Practice), DCB 2006, Varna, pp. 166-173.


PARVANOVA, S., The singularity subtraction approach applied to dual boundary element method, Annual of UACEG, Sofia, Vol. XLIII, fascicule V, pp. 311-335, 2006-2008.


S. PARVANOVA, G. GOSPODINOV, A dual boundary element procedure for analysis of fracture in concrete, Journal of theoretical and applied mechanics, vol. 37, № 1, pp. 67-82, 2007.


S. PARVANOVA, G. GOSPODINOV, Dual Boundary Elements for Crack Propagation by Means of Linear Fracture Mechanics, Proc. of International Conference on Advances in Boundary Elements Techniques, Naples, Italy, pp. 135-140, 2007.


PARVANOVA, S., Dual Boundary Elements for Cohesive Discrete Cracks by Using “Event-to-Event” Nonlinear Algorithm, Journal of Theoretical and Applied Mechanics, vol. 37, № 3, pp. 39-60, 2007.


PARVANOVA, S. & GOSPODINOV, G., Development of "event-to-event" nonlinear technique to lightly reinforced concrete beams by simplified constitutive modelling. International Journal of Solids and Structures, Elsevier Ltd., 45, pp. 4676-4686, 2008.


S. PARVANOVA, Dual boundary element method for some problems of linear and nonlinear fracture mechanics, PhD thesis, UACEG, Sofia, 2008.


SONIA PARVANOVA AND GOSPODIN GOSPODINOV, Dual Boundary Elements for Analysis of Non-Shear Reinforced Concrete Beams. Proceedings of International Conference on Boundary Element Techniques IX 9-11 July 2008, Seville, Spain, pp. 113-118, (2008).


A. TRAIKOV, I, YAKIMOV, K. MLADENOV, G. GOSPODINOV, S. PARVANOVA, On the modeling and numerical simulation of a curved reinforced concrete bridge. Proc. of International Conference on Civil Engineering Design and Construction (Science and Practice), DCB 2008, Varna, pp. 209-214.


S. PARVANOVA, G. GOSPODINOV, An effective development of the boundary element method for 2D elasticity problem. Annual of UACEG, Sofia, Vol. XLIII, fascicule VI, pp. 15-29, 2008-2009.


SONIA PARVANOVA AND GOSPODIN GOSPODINOV On the Effective Elastic Properties of Composite Medium by BEM. Proceedings of International Conference on Boundary Element Techniques X 22-24 July 2009, Athens, Greece , pp. 259-264, (2009).


G. GOSPODINOV, S. PARVANOVA, S. DELIJSKI, I. KERELEZOVA, On some problems of micromechanics of the inhomogeneous materials solved by the boundary element method. Annual of UACEG, Sofia, Vol. XLIV, fascicule V, pp. 53-70, 2009.


GOSPODINOV, G., S. PARVANOVA, Static analysis of concrete and reinforced concrete beams by dual boundary elements, Recent Developments in Boundary Element Methods. A volume to honour John T. Katsikadelis, WIT Press, Southampton, Boston, 2010.


PARVANOVA, S., G. GOSPODINOV, The boundary element method applied to prediction of effective elastic properties of 2D composites accounting for crack's damage, Proc. of 9th HSTAM International Congress on Mechanics, Limassol, Cyprus, 12 – 14 July, 2010.


PARVANOVA, S., S. DELIJSKI, On the calculation of the effective elastic properties of composites accounting for particle-matrix debonding process by the boundary element method, Annual of UACEG, Sofia, Vol. XLV, свитък VI, pp. 203-219, 2010.


PARVANOVA, S., Modelling and static analysis of two dimensional regions containing multi-phase inclusions by Boundary Element Method, Journal of theoretical and applied mechanics, Sofia, vol. 40, № 4, pp. 101-118, 2010.


PARVANOVA, S., An application of Element Free Galerkin method for two dimensional elasticity problems, Proc. of 11-th international scientific conference VSU’2011, Sofia, pp. I-97 - I-102, 2011.


PARVANOVA, S., Calculation of Stress Intensity Factors Based on Force-Displacement Curve Using Element Free Galerkin Method, Journal of Theoretical and Applied Mechanics, vol. 42, № 1, pp. 23-40, 2012.


PARVANOVA, S. , P. DINEVA AND G. MANOLIS, Diffraction and Dynamic Stress Concentration around Multiple Holes in a Finite Elastic Solid by BEM, Proceedings of ICCES’12, International Conference on Computational & Experimental Engineering and Sciences, Crete, Greece, 30 April - 4 May 2012, pp. 81, ISBN-10:0-9824205-6-0, ISBN-13: 978-0-9824205-6-0. Tech Science Press.


PARVANOVA, S. , P. DINEVA, G. MANOLIS, Multiple Inclusions within an Elastic Matrix: Dynamic Stress Concentration and Scattered Wave Phenomena by BEM – I. Validation Study, Proceedings of International Jubilee Conference UACEG2012: Science & Practice, 15-17 November 2012, Sofia, pp. 21-26, (2012).


PARVANOVA, S., P. DINEVA, G. MANOLIS, Multiple Inclusions within an Elastic Matrix: Dynamic Stress Concentration and Scattered Wave Phenomena by BEM – II. Parametric Study, Proceedings of International Jubilee Conference UACEG2012: Science & Practice, 15-17 November 2012, Sofia, pp. 27-32, (2012).


PARVANOVA, S. L., P. S. DINEVA, G. D. MANOLIS, Dynamic behavior of a finite-sized elastic solid with multiple cavities and inclusions using BIEM, Acta Mechanica 224, 597–618 (2013) DOI 10.1007/s00707-012-0759-0

 

PARVANOVA, S., P. DINEVA, G. MANOLIS, F. WUTTKE, Diffraction of In-Plane (P, SV) and Anti-Plane (SH) Waves in a Half-Space with Cylindrical Tunnels, Proceedings of International Conference on Boundary Element Techniques XIV 16-18 July 2013, Paris, France, Edited by A. Sellier, M. H. Aliabadi, ISBN: 978-0-9576731-0-6, Published by EC Ltd, UK, pp. 335-340, (2013).

 

PARVANOVA, S., P. DINEVA, G. MANOLIS, F. WUTTKE, Seismic Response of Lined Tunnels in the Half-plane with Surface Topography, Bulletin of Earthquake Engineering, DOI: 10.1007/s10518-013-9546-0. ISSN: 1570-761X (print version) ISSN: 1573-1456 (electronic version)), 2013

 

PARVANOVA, S., P. DINEVA, G. MANOLIS, Elastic wave fields in a half-plane with free-surface relief, tunnels and multiple buried inclusions, Acta Mechanica, DOI: 10.1007/s00707-013-1028-6, (2013)

 

PARVANOVA, S., P. DINEVA, G. MANOLIS, P. KOCHEV, Dynamic Response of a Solid with Multiple Inclusions under Anti-plane Strain Conditions by the BEM, Computers & Structures, Volume 139, pp. 65–83, DOI: 10.1016/j.compstruc.2014.04.002 (2014)

Conspects

Study materials

Others