Institute of Mechanics

Position: Docent

Department: Solid Mechanics

Room number: 334

Phone: +359 2 979 6751

E-mail: datcheva@imbm.bas.bg

Scientific degrees, institution, year:

PhD, Moscow State University – Russian Federation, 1989; supervisor: Corr.Member of RAN Prof. DSci S. Shesterikov

Fields of Research:

continuum mechanics, constitutive modelling (elasto-plasticity), back analysis, coupled hydro-mechanical modeling, modeling of engineered barriers (HLW EBS- engineered barrier systems for high-level waste depositories)

Recent Publications (top):

1. Yanakieva A., M.Datcheva, E.Stoimenova, Statistical Analysis of the Effect of Epoxy Insulated Steel Bar on the Pull-Out Bonding, Comptes rendus de l'Académie bulgare des sciences, Tome 64 (7), 1035-1042, (2011)
2. Datcheva M., S. Cherneva, M. Stoycheva, R. Iankov, D. Stoychev, Determination of Anodized Aluminum Material Characteristics by Means of Nano-Indentation Measurements, Materials Sciences and Applications, Vol. 2, No 10, 2011, ISSN 2153-117X, DOI: 10.4236/msa.2011.210196
3. Tom Schanz, Maria Datcheva and Long Nguyen-Tuan, "Back Analysis of a Coupled Thermo-Hydro-Mechanical Model Based on Instrumented Constant Volume Column Test", Coupled Problems 2011, IV International Conference on Computational Methods for Coupled Problems in Science and Engineering, M. Papadrakakis, E. Oñate and B. Schrefler (Eds.) 20-22 June, 2011, Kos Island, Greece, ISBN: 978-84-87867-59-0.
4. Petia Dineva, Maria D. Datcheva, George Manolis & Tom Schanz, Seismic wave propagation in laterally inhomogeneous poroelastic media via BIEM, International Journal for Numerical and Analytical Methods in Geomechanics, DOI: 10.1002/nag.995, ISSN0363-9061, (2010)
5. Nguyen Tuan L., Schanz T., Datcheva M., Landslide Hazard: A Coupled Hydro-Mechanical Analysis with Variation of Suction and Soil Stiffness during Wetting Process - Ma River Case Study, In: Proc. Hanoi International Symposium of Geoengineering 2010: Theme "Urban Geoengineering, Earth Resources and Sustainability in the Context of Climate Change". 22-23 November, 2010. pp. 219-226, (2010). ISBN 978-604-62-0403-9. download PDF
6. Yanakieva Ana, Maria Datcheva, Eugenia Stoimenova, Assessment of the influence of coated bar geometry on the pull-out bond, In E. Manoach, M. Datcheva & N. Pesheva Eds., Digital Proc. 11th National Congress on Theoretical and Applied Mechanics, 2-5.09.2009, Borovets, Bulgaria, ISSN: 1313-9665, paper ID 113 (2009) download PDF
7. Meier J., M. D. Datcheva, M. Moser, T. Schanz, Identification of Constitutive and Geometrical Parameters for Slope Instability Modelling - Application to Mountain-Splitting Area Reutte/Tyrol (Austria), Austrian Journal of Earth Sciences, Volume 102/2, pp 81-89, ISSN 2072-7151 (2009) download PDF
8. Long Nguyen Tuan, Maria Datcheva and Tom Schanz, Numerical Simulation and Back Analysis of Coupled Thermo-Hydro-Mechanical Behavior of Sand-Bentonite Mixture, 18th International Conference on the Application of Computer Science and Mathematics in Architecture and Civil Engineering, K. Gurlebeck and C. Konke (eds.), Weimar, Germany, 07-09 July 2009, ISSN 1611 - 4086, (2009), download PDF
9. Meier J., M. Datcheva, T. Schanz, Identification of Obstacles ahead of Tunnel Face Applying Inverse Approach, Proc. EURO:TUN 2009, 2nd International Conference on Computational Methods in Tunnelling, Ruhr University Bochum, 9-11 September 2009, Aedificatio Publishers, ISBN 978-3-931681-95-1, 673-680, (2009)
   

10. Schanz T., Datcheva M., Zimmerer M., Identification of coupled hydro–mechanical parameters with application to engineered barrier systems, Proc. 1st European Conference on Unsaturated Soils, ISBN: 9780415476928, Durham, UK, 2-4 July, 789-803, (2008)

11. J. Meier, M. Datcheva, T. Schanz, Identification of constitutive and geometrical parameters of numerical model with application in tunneling, Proc. ECCOMAS Thematic Conference EURO:TUN 2007, J. Eberhardsteiner et.al. (eds.), CD edition. ISBN-13: 978-3-9501554-7-1, (2007)

12. Schanz T., Baltov A., Datcheva M., Yanakieva A., Numerical Modelling of Multilayer Geotechnical Barriers, Proc. International Conference VSU’2007, IX-16-21, (2007)

13. Schanz T., Zimmerer M., Datcheva M., Lobers S., Design of Soil Investigation Programs Using Sensitivity Analysis, Proc. International Conference VSU’2007, IX-72-78, (2007)

14. Meier J., Datcheva M., Schanz T., Identification of constitutive and geometrical parameters of slopes and potential landslides, National Scientific- Technical Conference LANDSLIDES AND EROSION, 30.11-1.12.2006, Sofia, Bulgaria, 202 –209, (2006)

15. Datcheva M., Iankov R., Yanakieva A., Baltov A., Finite element application to slope stability analysis, National Scientific- Technical Conference LANDSLIDES AND EROSION, 30.11-1.12.2006, Sofia, Bulgaria, 117-123, (2006)

16. Dineva P., Datcheva M., Schanz T., BIEM for seismic wave propagation in fluid saturated multilayered media, in Numerical Methods in Geotechnical Engineering, ed. H.F. Schweiger, Proc. 6^th European Conference on Numerical Methods in Geotechnical Engineering, 6-8 September 2006 – Graz, Austria, published by Taylor & Francis/Balkema, 257-265, (2006)

17. Stoimenova E., Lins Y., Datcheva M., Schanz T., Inverse Modelling of Soil Hydraulic Characteristic Functions, 17th International Conference on the Application of Computer Science and Mathematics in Architecture and Civil Engineering, K. Gürlebeck and C. Könke (eds.) Weimar, Germany, 12–14 July 2006, Digital Proc., (2006) pdf

18. Schanz T., Zimmerer M., Datcheva M., Meier J., Identification of constitutive parameters for numerical models via inverse approach, Felsbau - Rock and Soil Engineering, 24, No. 2, 11-21, (2006)

19. Wenqing W., Datcheva M., Schanz T., Kolditz O., A sub-stepping approach for elasto-plasticity with rotational hardening, Computational Mechanics, 37, 266-278, (2006)

20. Yanakieva A., Datcheva M., Iankov R., Collin F., Baltov A., FEM applied in hydro-mechanical coupled analysis of a slope, Proc. 10^th Jubilee National Congress on Theoretical and Applied Mechanics, Varna 13-16 September 2005, 412-417, (2005), download PDF

21. Spickermann A., Schanz T., Datcheva M., Numerical modelling of primary stress states in deep seated slope problems, presented at the 18^th ABAQUS User’s Conference, May 18-20, Stockholm, Sweden, CD edition, (2005)

22. Stoimenova E., Datcheva M., Schanz T., Statistical approach in soil-water characteristic curve modelling, Springer Proceedings in Physics, 94, 189-200, (2005)

23. Iankov R., Popova E., Datcheva M., Schanz T., Modelling a cavity expansion problem under uncertainties. Proceedings in Mathematics and Informatics, 41, book 6.1, University of Rousse, Bulgaria, 51-55, (2005)

24. Baltov A., Charlier R., Datcheva M., Collin F., Modelling of dynamic plastic strain, water pressure and temperature localizations in unsaturated soils, Journal of Theoretical and Applied Mechanics, 34, No. 4, 31-46, (2004)

25. Iankov R., Popova E., Datcheva M., Schanz T., Numerical modelling of consolidation with uncertainty in soil properties. Journal of Theoretical and Applied Mechanics, 34, No 3, 43-54., (2004)

26. Stoimenova E., Datcheva M., Schanz T., Application of two-phase regression to geotechnical data, Pliska Stud. Math. Bulgar., 16, 245-257, (2004)

27. Popova E., Datcheva M., Iankov R., Schanz T., Sharp bounds for strains and stresses in uncertain mechanical models, Lecture Notes in Computer Science, Springer Verlag, 2907, 262-269, (2004)

28. Spickermann A., Schanz T., Datcheva M., Analysis of a deep seated slope failure in the Alps, in Proc. Workshop AK 1.6 DGGT „Nachweise für Böschungen und Baugruben mit numerischen Methoden“, Bauhaus-Universität Weimar, Schriftenreihe Geotechnik, Heft 11, 47-57, (2003)

29. Zimmerer M. M., Datcheva M. D., Schanz T., Assessment of a loading test on highly sensitive deformable soil, Proc. GTMM2003, Natau, Fecker and Pimentel eds., Balkema, 419-426, (2003)

30. Stoimenova E., Datcheva M., Schanz T., Statistical modelling of the soil water characteristic curve for geotechnical data, Proc. Mathematics and Informatics for Industry-MII 2003, 14-16 April, Thessaloniki, Greece, 356-366, (2003)

31. Popova E., Datcheva M., Iankov R., Schanz T., Mechanical Models with Interval Parameters, Digital Proc. 16^th Int. Conf. on the Application of Computer Science and Mathematics in Architecture and Civil Engineering, Gürlebeck, Hempel, Könke eds., Bauhaus-Universität Weimar, (2003) pdf

32. Charlier R., Baltov A., Datcheva M., Collin F., Conditions for elasto-plastic strain localization in unsaturated soils, Jour. of Theoretical and Applied Mechanics, 33, No. 3, 61-78, (2003)

33. Datcheva M., Schanz T., Anisotropic Bounding Surface Plasticity with Rotational Hardening for Unsaturated Frictional Materials, Journal de Physique IV, 105, 305-311, (2003)

34. Charlier R., Collin F., Datcheva M., A viscoplastic model for soft rocks, Proc. IXth National Congress on Theor. Appl. Mechanics, Varna, 19-23 September, 416-421, (2001)

35. Datcheva M., Constitutive Modelling of Creep Behaviour of Chalk, Jour. of Theoretical and Applied Mechanics, 31, No.2, 53 – 64, (2001)

36. Datcheva M., Charlier R., Collin F., Constitutive equations and numerical modelling of time effects in soft porous rocks, Lecture Notes in Computer Science, Springer Verlag, Vol. 1988, 222-229, (2001)

37. Mahrenholtz O., Bontcheva N., Iankov R., Datcheva M., Investigation of the Influence of Surface Roughness on Metal Forming Processes, Mechanics Research Communications, 27, 4, 393-402, (2000)

Dacheva, M D; Shesterikov, S A; Yumasheva, M A., Damage in the case of a complex unsteady stressed state. Rossijskaya Akademiya Nauk, Izvestiya, Mekhanika Tverdogo Tela , no. 1, pp. 44-47, (1998)

Iankov R., Datcheva M., Numerical Investigation of the Damage Processes during Creep of Metals, Physicochemical Mechanics of Materials, 28(5), 44-47, (1992)

Ongoing projects:

Collaborative Research Center (Sonderforschungsbereich, SFB) 837 "Interaction models in mechanized tunneling",  Ruhr-University of Bochum (RUB), Germany - 2010-2012

Modelling of coupled thermo-hydro-chemo-mechanical processes with application to engineered barrier systems – funded by: Institute of mechanics, Bulgarian Academy of Sciences

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Finished within the period 2000-2009:

2000-2001 EC RTD Project, Fifth Framework Programme EESD, “PASACHALK: Mechanical behaviour of partially and multiphase saturated chalks. Fluid-skeleton interaction: main factor of chalk oil reservoirs compaction and related subsidence”: http://cordis.europa.eu/

2001-2003 Joint project between the Institute of Mechanics – BAS and DIG, l’Institut de Mécanique et de Génie civil, Université de Liège (Prof. Charlier): Endommagement et rupture dans les géostructures, in the frame of CGRI/FNRS - BAS scientific research programme.

2003-2005 NATO Cooperative Science and Technology Sub-Program: Collaborative Linkage Grants: 979541 “Coupled hydro-mechanical models with uncertainties and applications to environmental problems”: http://www.uni-weimar.de/

2002-2006 Mechanisches Verhalten teilgesättigter Böden, Die Forschungsgruppe “Mechanik teilgesättigter Böden“ FOR444 (DFG)

2006-2007 NATO Program Security though Science Collaborative Linkage Grants CLG982064 “Hybrid Approach to Performance Based Seismic Design in Balkan Region”

2005-2009 Technical barriers for sub-surface storage facilities of hazardous waste integrating equipotential segments to improve homogeneous moistening and long-term stability, WP3 Numerical simulations – funded by: Federal Ministry of Education and Research (BMBF), Helmholtz Research Center Karlsruhe (FZK) - Germany: www.untertageverschluss.de

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