Institute of Mechanics

Заемана длъжност: Доцент

Секция: Механика на деформируемото твърдо тяло

Стая №: 406

Тел.: (02) 979 6466

E-mail: sv.nikolov@imbm.bas.bg

Научни степени, организация, година:

2001 Доктор по приложни науки, Католически университет на Лувен, Белгия

Дисертация: “Multi-Scale Constitutive Modeling of Semi-Crystalline Polymers”

Ръководител: проф. Исам Догри

1995 Магистър по приложни науки, Католически университет на Лувен, Белгия

1994 Дипл. инженер (магистър, профил механика), Католически университет на Лувен, Белгия

1987 Машинен инженер (магистър), Технически университет София

Области на професионален интерес (ключови думи):

Многомащабно моделиране, хомогенизация на хетерогенни материали, съотношения структура/свойства в полимери, композити и биоматериали, конститутивни уравнения за еласто-вископластични материали, ефекти на мащаба, гъвкава роботика

Публикации(2014-2018):

1. Roters, F., Diehl, M., Shanthraj, P., Eisenlohr, P., Reuber, C., Wong, S.L., Maiti, T., Ebrahimi, A., Hochrainer, T., Fabritius, H.-O., Nikolov, S., Friák, M., Fujita, N., Grilli, N., Janssens, K.G.F., Jia, N., Kok, P.J.J., Ma, D., Meier, F., Werner, E., Stricker, M., Weygand, D., Raabe, D. DAMASK – The Düsseldorf Advanced Material Simulation Kit for modeling multi-physics crystal plasticity, thermal, and damage phenomena from the single crystal up to the component scale. Computational Materials Science, под печат: 2018, ISSN:0927-0256, DOI:https://doi.org/10.1016/j.commatsci.2018.04.030
2. Nikolov, S., V. Kotev, K. Kostadinov, F. Wang, C. Liang, Y. Tian. A. Model-based design optimization of soft fiber-reinforced bending actuators. In: Proceedings of the 6^th IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO 2016), Chongqing, China, 2017, pp. 136-140.
3. Fabritius, H.-O., A. Ziegler, M. Friák, S. Nikolov, J. Huber, B.H.M. Seidl, S. Ruangchai, F.I. Alagboso, S. Karsten, J. Lu, A.M. Janus, M. Petrov, L.-F. Zhu, P. Hemzalová, S. Hild, D. Raabe, J. Neugebauer. Functional adaptation of crustacean exoskeletal elements through structural and compositional diversity: A combined experimental and theoretical study. Bioinspiration and Biomimetics, 11 (5), 2016, Article # 055006.
4. Nikolov S., H. Fabritius, M. Friák, D. Raabe. Integrated multiscale modeling approach for hierarchical biological nanocomposites applied to lobster cuticle. Bulgarian Chemical communications, 47, 2015, 424-433.
5. Friák, M., L.-F. Zhu, L. Lymperakis, H. Titrian, U. Aydin, A.M. Janus, H.-O. Fabritius, A. Ziegler, S. Nikolov, P. Hemzalová, D. Raabe, J. Neugebauer. Quantum-mechanical study of single-crystalline and polycrystalline elastic properties of Mg-substituted calcite crystals. Key Engineering Materials, 592-593, 2014, 335-341.

Избрани публикации:

1. Lhadi, S., S. Ahzi, Y. Rémond, S. Nikolov, H. Fabritius. Effects of homogenization technique and introduction of interfaces in a multiscale approach to predict the elastic properties of arthropod cuticle. Journal of the Mechanical Behavior of Biomedical Materials, 23, 2013, 103-116.
2. Zhu, L.F., M. Friák, L. Lymperakis, H. Titrian, U. Aydin, A.M. Janus, H.O. Fabritius, A. Ziegler, S. Nikolov, P. Hemzalová, D. Raabe, J. Neugebauer. Ab initio study of single-crystalline and polycrystalline elastic properties of Mg-substituted calcite crystals. Journal of the Mechanical Behavior of Biomedical Materials, 20, 2013, 296-304.
3. Nikolov, S., H. Fabritius, M. Petrov, M. Friák, L. Lymperakis, C. Sachs, D. Raabe, J. Neugebauer. Robustness and optimal use of design principles of arthropod exoskeletons studied by ab initio-based multiscale simulations. Journal of the Mechanical Behavior of Biomedical Materials, 4 (2), 2011, 129-145.
4. Nikolov, S., Petrov, M., Lymperakis, L., Friák, M., Sachs, C., Fabritius, H. O., Raabe, D., Neugebauer, J. Revealing the Design Principles of High-Performance Biological Composites Using Ab initio and Multiscale Simulations: The Example of Lobster. Advanced Materials, 22 (4), 2010, 519-526.
5. Elstnerová, P., M. Friák, H.-O. Fabritius, L. Lymperakis, T. Hickel, M. Petrov, S. Nikolov, D. Raabe, A. Ziegler, S. Hild, J. Neugebauer. Ab initio study of thermodynamic, structural, and elastic properties of Mg-substituted crystalline calcite. Acta Biomaterialia, 6 (12), 2010, 4506-4512.
6. Nikolov S., Raabe, D. Hierarchical modeling of the elastic properties of bone at submicron scales: The role of extrafibrillar mineralization. Biophysical Journal, 94 (11), 2008, 4220-4232.
7. Tatiraju R. V. S., Han, C.-S., Nikolov, S. Size dependent hardness of polyamide/imide. Open Mechanics Journal, 1, 2008, 89-92.
8. Nikolov S., Han, C.-S., Raabe, D. On the origin of size effects in small-strain elasticity of solid polymers. International Journal of Solids and Structures, 44 (5), 2007, 1582-1592.
9. Han, C.-S., Nikolov, S. Indentation size effects in polymers and related rotation gradients. Journal of Materials Research, 22 (6), 2007, 1662-1672.
10. Nikolov S., Lebensohn, R. A., Raabe, D. Self-consistent modeling of large plastic deformation, texture and morphology evolution in semi-crystalline polymers. Journal of the Mechanics and Physics of Solids, 54 (7), 2006, 1350-1375.
11. Nikolov S., Raabe, D. Yielding of polyethylene through propagation of chain twist defects: Temperature, stem length and strain-rate dependence. Polymer, 47 (5), 2006, 1696–1703.
12. Nikolov, S. Modelling and simulation of particle breakage in impact crushers. International Journal of Mineral Processing, 74 (SI), 2004, S219–S225.
13. Nikolov, S., I. Doghri, O. Pierard, L. Zealouk, A. Goldberg. Multi-scale constitutive modeling of the small deformations of semi-crystalline polymers. Journal of the Mechanics and Physics of Solids, 50 (11), 2002, 2275-2302.
14. Nikolov, S. A performance model for impact crushers. Minerals Engineering, 15 (10), 2002, 715-721.
15. Nikolov, S., I. Doghri. A micro/macro constitutive model for the small-deformation behavior of polyethylene. Polymer, 41 (5), 2000, 1883-1891.

Глави от книги:

1. Friák, M., H.-O. Fabritius, S. Nikolov, M. Petrov, L. Lymperakis, C. Sachs, P. Elstnerová, J. Neugebauer, D. Raabe. Multi-scale Modelling of a Biological Material: The Arthropod Exoskeleton. In: Materials Design Inspired by Nature: Function through Inner Architecture, (Eds. Fratzl, P., Dunlop, J. W. C., Weinkamer, R.), pp. 197-218, The Royal Society of Chemistry, 2013.
2. Nikolov, S., Fabritius, H., Friák, M., Raabe, D. Hierarchical modeling of biological nanocomposites, In: Mechanics of Nanomaterials and Nanotechnology, Series in Applied Mathematics and Mechanics, 3, (Eds. Kаvardzhikov, V., Parashkevova, L., Baltov, A.), pp. 199-224, Institute of Mechanics – BAS, Sofia, 2012.
3. Fabritius, H., C. Sachs, D. Raabe, S. Nikolov, M. Friák, J. Neugebauer. Chitin in the exoskeletons of Arthropoda: From ancient design to novel materials science. In: Chitin: Formation and Diagenesis, (Ed. Gupta, N.S.), pp. 35-60. Springer, 2011.

Участие в проекти:

• Дигитална лаборатория за многомащабно моделиране и oхарактеризиране на порести материали: интердисциплинарен подход, ФНИ, 2018-2020.
• Micro/Nano Robotics for Single Cancer Cells (MNR4SCell), Horizon 2020 Marie Skłodowska-Curie actions-RISE, 2018-2020.

• Biomedical Robotics and Applications (BioRA), Marie Curie Actions-IRSES, 2015-2017.
• SPP1420: Crustacean skeletal elements: variations in the constructional morphology at different hierarchical levels, DFG Priority program, 2009-2013, http://spp1420.mpikg.mpg.de