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Dora Karagiozova

 

Position: Professor

Department: Solid Mechanics

Room number: 428

Phone: +359 2 979 6482

E-mail: d.karagiozova@imbm.bas.bg

Scientific degrees, institution, year:

 

 

BSc., MSc. (Applied Mathematics) – honor degree, Donetzk Polytechnic, Ukraine, 1974

Ph.D. (Mechanics of Solids) Institute of Applied Mathematics and Mechanics, Ukrainian Academy of Sciences, 1979

Fields of Research:

 

Behaviour of inelastic structures subjected to blast and impact;

Stability of structural elements under impact;

Impact crashworthiness and impact energy absorption;

Stress wave propagation, Strain-rate sensitivity;

Mechanical properties of cellular materials;

Discrete modelling of reinforced composites;

Mathematical modelling and numerical simulation materials and structures

Extended Information

Honorary Professor – The University of Cape Town (Department of Mechanical Engineering)
Member of the Editorial board of the International Journal of Impact Engineering (http://www.elsevier.com/locate/ijimpeng)
Associate Editor of the Latin American Journal of Solids and Structures (www.lajss.org)

    Recent Publications:

    Journal Papers

  1. Karagiozova, D., Langdon, G.S., Nurick, G.N., Blast attenuation in Cymat foam core sacrificial claddings, Int. J. Mech. Sci., doi:10.1016/j.ijmecsci.2010.02.002
  2. Langdon, G.S., Karagiozova, D., Theobald, M.D., Nurick, G.N., Lu, G., Merrett, R., Mayimele, N., Fracture of aluminium foam core sacrificial cladding subjected to air blast loading, Int. J. Impact Eng, Vol.37(6) pp.638-651 (2010).
  3. Karagiozova, D., Langdon, G.S., Nurick, G.N., Chung Kim Yuen, S., Simulation of the response of fibre-metal laminates to localised blast loading, Int. J. Impact Eng, Vol.37(6) pp.766-782 (2010).
  4. Karagiozova, D., Nurick, G.N., Langdon, G.S. Behaviour of sandwich panels subject to intense air blasts - Part 2: Numerical simulation. Composite Structures, Vol. 91(4) pp. 442-450 (2009).
  5. Karagiozova, D., Nurick, G.N., Langdon, G.S., Chung Kim Yuen, S., Chi, Y., Bartle S., Response of flexible sandwich-type panels to blast loading, Composites Science and Technology, Vol. 69 pp. 754-763 (2009).
  6. Karagiozova, D., Alves, M., Dynamic elastic-plastic buckling of structural elements: A review, Applied Mechanics Reviews, Vol. 61 (4) pp. 040803-1 – 040803-26 (2008).

  7. Karagiozova, D., Yu, T.X., Strain localization in circular honeycombs under in-plane biaxial quasi-static and low velocity impact loading. Int. J. Impact Eng, Vol. 35, pp. 753–770 (2008).

  8. Karagiozova, D., Jones, N., On the mechanics of the global bending collapse of circular tubes under dynamic axial load – Dynamic buckling transition. Int. J. Impact Eng, Vol. 35, pp. 397-424 (2008).

  9. Karagiozova, D., Yu, T.X., Gao Z.Y., Relationship for metal hollow sphere materials as a function of their relative density. J. App. Mech.-Transactions of ASME, Vol. 74, pp. 898-907 (2007).

  10. Gao, Z.Y., Yu, T.X., Karagiozova, D., Finite element simulation on the mechanical properties of MHS materials, Acta Mechanica Sinica, Vol. 23, pp. 65-75 (2007).

  11. Yu, T.X., Karagiozova, D., Gao, Z.Y., The dependence of the energy-absorption capacity of metal hollow sphere materials on their relative density, Key Engineering Materials, Vol. 340-341, pp. 389-396 (2007).

  12. Karagiozova, D., Mines R.A.W., Impact of aircraft tyre fragments on aluminium alloy plates: II – Numerical Simulation using LS-DYNA, Int. J Impact Eng, Vol. 34, pp. 627-646 (2007).

  13. Karagiozova, D., Yu , T.X., Gao, Z.Y., Modelling of MHS cellular solid in large strains, Int. J. Mech. Sci, Vol. 48, pp. 1273-1286 (2006).

  14. Karagiozova, D., Nurick, G.N., Chung Kim Yuen, S., Energy absorption of aluminium alloy circular and square tubes under an axial explosive load. Thin-Walled Struct, Vol. 43, pp. 956-982 (2005).

  15. Karagiozova, D., Yu, T.X., Post-collapse characteristics of ductile circular honeycombs under in-plane compression, Int. J. Mech. Sci, Vol. 47, pp. 570-602 (2005).

  16. Karagiozova, D., "Dynamic plastic" and "dynamic progressive" buckling of elastic-plastic circular shells – revisited. Latin American J Solids Struct, Vol. 1, 423-441 (2004).

  17. Karagiozova, D., Yu, T.X., Plastic deformation modes of regular hexagonal honeycombs under in-plane biaxial compression, Int. J. Mech. Sci, Vol. 46, pp. 1489–1515 (2004).

  18. Yu, T.X., Karagiozova, D., Plastic collapse of honeycombs under in-plane biaxial compression. Key Engineering Materials, Vol. 274-276, pp. 25-34 (2004).

  19. Karagiozova, D., Alves, M., Transition from progressive buckling to global bending of circular shells under axial impact. Part I – Experimental and numerical observations. Int. J. Solids and Struct, Vol. 41, pp. 1565-1580 (2004).

  20. Karagiozova, D., Alves, M., Transition from progressive buckling to global bending of circular shells under axial impact. Part II – Theoretical analysis. Int. J. Solids and Struct, Vol. 41, pp. 1581-1604 (2004).

  21. Karagiozova, D., Dynamic buckling of elastic-plastic square tubes under axial impact. Part I - Stress wave propagation phenomenon. Int. J. Impact Eng, Vol. 30, pp. 143-166 (2004).

  22. Karagiozova, D., Jones, N., Dynamic buckling of elastic-plastic square tubes under axial impact. Part II – Structural response. Int. J. Impact Eng, Vol. 30, pp. 167-192 (2004).

  23. Karagiozova, D., Jones, N., On dynamic buckling phenomena in axially loaded elastic-plastic cylindrical shells, Int. J. Non-linear Mech, Vol. 37, pp. 1223-1238 (2002).

  24. Karagiozova, D., Inertia effects on some crashworthiness parameters for cylindrical shells under axial impact, Int. J. Crashworthiness, Vol. 4, pp. 561-572, (2001).

  25. Karagiozova, D., Jones, N., Influence of stress waves on the dynamic progressive and dynamic plastic buckling of cylindrical shells. Int. J. Solids and Struct, Vol. 38, pp. 6723-6749 (2001).

  26. Karagiozova, D., Jones, N., Dynamic effects on the energy absorption of axially loaded circular cylindrical shells. Thin-Walled Struct, Vol. 39, pp. 583-610 (2001).

  27. Karagiozova, D., Alves, M., Jones, N., Inertia effects in axisymmetrically deformed cylindrical shells under axial impact, Int. J. Impact Eng, Vol. 24, pp. 1083-1115 (2000).

  28. Karagiozova, D., Jones, N., Dynamic elastic-plastic buckling of cylindrical shells under axial impact. Int. J. Solids and Struct, Vol. 37, pp. 2005-2034 (2000).


Articles in Conference Proceedings

  1. Langdon, G.S., Nurick, G.N., Karagiozova, D., Cantwell, W.J., Fibre metal laminates subjected to blast loading, In: Shukla, Arun; Ravichandran, Guruswami; Rajapakse, Yapa D.S. (Eds.) "Dynamic Failure of Materials and Structures" Springer, 2009, 475 p. Hardcover ISBN: 978-1-4419-0445-4, Chapter 9, pp. 269-296.
  2. Karagiozova, D., Langdon, G.S., Nurick, G.N., Modelling the behaviour of fibre–metal laminates subjected to localised blast loading, In: Proc. IUTAM Symposium on Theoretical, Modelling and Computational Aspects of Inelastic Media, Ed. B.D. Reddy, Springer, pp. 319-328 (2008) (ISBN-13:978-1-4-20-9089-9).

     

  3. Alves M., Karagiozova D., Correcting friction effects on the split Hopkinson pressure bar test, In: Proc. of the 9-th Int. Symposium on Plasticity and Impact Mechanics, Eds O.T.Bruhns and A. Meyer, The University Press Bochum, Germany , pp. 175-182 (2007) (ISBN: 978-33089966-266-5).

  4. Karagiozova, D., Nurick G.N., Langdon G.S. Behaviour of sandwich panels subject to intense air blasts. In: Proc. 6-th Int. Conf. Composite Science and Technology, 21-24 January, 2007, Durban, South Africa (2007) [CD-ROM] (ISBN: 18684 06423).

  5. Yu, T.X., Karagiozova, D., Gao, Z.Y., Mechanical properties of MHS materials in large strain. American Society of Mechanical Engineers, Aerospace Division (Publication) AD 70 AD, pp. 479-482 (2006).

  6. Mines, R.W.A., Birch, R.S., McKown, S., Karagiozova, D., Measurement of the large strain behaviour of aircraft tyre rubber. In Proc. Int. Conf. Advances in Experimental Mechanics, 6-8 Sept 2005, Southampton, UK, Advances in Experimental Mechanics IV, pp. 435-440 (2005) (ISBN: 0-87849-987-3).

  7. Karagiozova, D., Transition criteria between buckling modes of circular shells under axial impact. Impact Loading of Lightweight Structures, 8-12 May, 2005, Floreanopolis, Brazil. Eds. M. Alves and N. Jones, WIT Press, pp. 289-304 (2005) (ISBN: 18456 41590).

  8. Yu , T.X., Karagiozova, D., Effects of the structural topology and connection size on the strength of circular honeycombs under in-plane compression, In Proc. IUTAM Symposium on Size Effects on Material and Structural Behavior at Micron- and Nano-Scales. 31 May - 4 June, 2004, Hong Kong, Series: Solid Mechanics and Its Applications , Eds. Sun, Q. P. and Tong, P. Vol. 142, pp. 107-114 (2006) (ISBN: 1-4020-4945-5 (Print) 978-1-4020-4946-0 (Online)).

  9. Karagiozova, D., Velocity and mass sensitivity of circular and square tubes under axial impact. In: Proc.8-th Int. Symposium on Plasticity and Impact Mechanics, Pxoenix Publishing House PVT Ltd., pp. 403-410 (2003) (ISBN: 81-7484-071-0).

  10. Karagiozova, D., On the dynamic collapse of circular and square tubes under axial impact. In: Advances in Dynamics and Impact Mechanics, Eds. C.A. Brebbia, G.N. Nurick, WIT Press, Chapter 1, pp. 1-23 (2003) (ISBN: 1-85312-928-3).

  11. Karagiozova, D., Jones, N., Inertia effects in square tubes subjected to an axial impact. In: Proc. 7-th Int. Conf. on Structures under Shock and Impact, Eds. N. Jones, C.A. Brebbia and M.A. Rajendran, WIT Press, pp. 531-551(2002) (ISBN: 1-85312-911-9).

  12. Alves, M., Karagiozova, D., Dynamic global and progressive buckling of circular shells under impact loads. In: Plasticity, Damage and Fracture at Macro, Micro and Nano Scales, A.S. Khan and O. Lopez-Pamies, Eds, Neat Press, Maryland USA, pp. 621-623 (2002).

  13. Alves, M., Karagiozova, D., Influence of the axial impact velocity on the buckling behaviour of circular cylindrical shells. In: 9-th National Congress on Theoretical and Applied Mechanics, Eds. Ya. Ivanov, A. Baltov and E. Manoach, DEMETRA Ltd. Bulgaria, pp. 388-393 (2001).

  14. Karagiozova, D., Jones, N., Dynamic elastic-plastic buckling of axially loaded circular and square tubes, In: Proc. 4-th Int. Symposium on Impact Engineering and Applications, Eds. A. Chiba, S. Tanimura and H. Hokamoto, Elsevier, Vol. 1, pp. 105-110 (2001) (ISBN: 008-0436013).

  15. Karagiozova, D., Jones, N., Energy absorption of a layered cladding under blast loading, In: Proc. 6-th Int. Conf. on Structures under Shock and Impact, Eds. N. Jones and C. Brebbia, WIT Press, pp. 447-456 (2000) (ISBN: 1-85312-820-1).

 

Honors:

First prize for high scientific achievements during 2002-2004 – awarded by the Association of the Bulgarian Scientists

 


Modified date:07-06-2016