Institute of Mechanics

Position: Professor

Department: Solid Mechanics

Room number: 305

Phone: (+359) 2 979 64 20, (+359) 2 979 64 51

E-mail: kavarj@imbm.bas.bg

Doctor, Institute of Mechanics – BAS,1986 Doctor of Sciences,

Institute of Mechanics – BAS,2009

Fields of Research:

Correlation methods of images processing,

Laser-optical methods and devices, Material science,

Nanotechnologyes, Near-field optics, Rheology,

Biorheology, Applied optics, Applied mechanics.

List of publicatioms and citations of prof. Vasil Kavardzhikov

Selected publications:

1. Publications in journals

Stoilov, G., D. Pashkouleva, V. Kavardzhikov. Off-axis 2D displacement fields evaluation by digital image correlation using markers. Journal of Theoretical and Applied Mechanics, Sofia, 2024, vol. 53, 1-14. (Print ISSN: 0861-6663; online ISSN: 1314-8710; SJR: 0.182).

Stoilov, G., D. Pashkouleva, V. Kavardzhikov. Smartphone application for structural health monitoring. IOP Conference Series: Materials Science and Engineering, 2020, 951, art. Nr. 012027. (ISSN: 17578989X, SJR: 0.198).

Stoilov, G., D. Pashkouleva, V. Kavardzhikov. Speckle patterns for multiscale monitoring of deformation. AIP Conference Proceedings 2019, 2075, art. Nr. 160024. (ISSN: 0094243X, SJR: 0.182).

Katakalos, K., G. Manolis, C. Manos, L. Melidis, G. Dadoulis, V. Kavardzhikov, G. Stoilov, Dynamic analysis And experimental verification of the mechanical characteristics of variable cross-section industrial pylons, Proceedings of IX International Conference on Computational Methods in Structural Dynamics and Earth quake Engineering, 12-14 June 2023 – Athens, Greece, art. Nr. C 20741, DOI: 10.7712/120123.10415.20741.

Stoilov, G., V. Kavardzhikov, D. Pashkouleva. Multiscale monitoring of deformation fields by digital image correlation method. Journal of Theoretical and Applied Mechanics, Sofia, vol. 48, No 3, 2018, 23-40. (ISSN: 0861-6663, SJR: 0.217)

Kirilova-Doneva, M., D. Pashkouleva, V. Kavardzhikov. The Effects of Strain Amplitude and Localization on Viscoelastic Mechanical Behaviour of Human Abdominal Fascia. Acta of Bioengineering and Biomechanics, vol. 18, No 4, 2016, 127-133 (ISSN: 1509-409X, IF: 0.767)

Kirilova-Doneva, M., D. Pashkouleva, V. Kavardzhikov, S. Sopotensky, G. Petrova, N. Gerasimov. Evaluation of mechanical alterations of explanted hernia mesh. Series on Biomechanics, vol. 29, No 2-3, 2015, 73-77 (ISSN: 1313-2458)

Николов, Ив., В. Кавърджиков, Д. Пашкулева, Г. Стоилов. Оптична метрология в приложната механика (Поредица „Приложна Математика и Механика”, том 5, под гл. редакция на В. Кавърджиков и Ив. Николов), Институт по механика - БАН, София, 2015 (ISSN: 1314-3034)

Popov, Al., V. Kavardzhikov, D. Pashkouleva. Non-destructive evaluation of the ultimate tensile strength for low carbon steel by ultrasound measurements. Comptes rendus de l’Académie bulgare des Sciences, vol. 68, 2015, No 4, 513-520 (ISSN: 1310-1331, IF: 0.233)

Kavardzhikov V., D. Pashkouleva, I. Nikolov. Micro- and nano-focusing optics intended for remote imaging systems. Aerospace research in Bulgaria, vol. 26, 2014, 243-256 (ISSN: 1313 – 0927)

Popov Al., V. Kavardzhikov, D. Pashkouleva, “Non-destructive evaluation of the yield stress for low carbon steel by ultrasound measurements”, Russian Journal of Nondestructive Testing, 2013, vol. 49, № 6, 328-333, ISSN: 1061-8309(print version), ISSN: 1608-3385 (electronic version), IF: 0.217.

Pashkouleva D., V. Kavardzhikov, “Experimental investigation of hernia meshes”, Series on Biomechanics, 2013, vol. 28, № 1-2, 57-62, ISSN: 1313-2458.

Stoilov G., V. Kavardzhikov, D. Pashkouleva, “A comparative study of random patterns for digital image correlation”, Journal of Theoretical and Applied Mechanics, 2012, vol. 42, № 2, 55-66, ISSN: 0861-6663, Google Scholar.

Kavardzhikov V., D. Pashkouleva, Nanomaterial&Nanotechnology, Micro- and nanometrology. In: Mechanics of Nanomaterials and Nanotechnology (Series in Applied Mathematics and Mechanics, vol. 3, Eds. V. Kаvardzhikov, L. Parashkevova, A. Baltov), Institute of Mechanics – BAS, Sofia, 2012, Part IV, Chapter 1, 227-259, ISSN: 1314-3034.

Pashkouleva D., G. Stoilov, V. Kavardzhikov, “Computer generated random patterns for digital image correlation method”, Comptes rendus de l’Acad?mie bulgare des Sciences, 2011, vol. 64, №6, 891-896, ISSN: 1310-1331, IF: 0.21.

Kirilova M, S. Stoytchev, D. Pashkouleva, V. Kavardzhikov, “Experimental study of mechanical properties of human abdominal fascia”, Medical Engineering&Physics, 2011, vol. 33, issue 1, 1-6, ISSN: 1350-4533, IF: 1.906.

Kavardzhikov V., D. Pashkouleva, G. Stoilov, “A biaxial tensile test for meshes, fabrics and tissues”, Journal of Theoretical and Applied Mechanics, 2010, vol. 40, № 2, 77-82, ISSN: 0861-6663

Nikolov, N.,D. Pashkouleva, V. Kavardzhikov, Friction Effects during Deep Drawing of Cylindrical Copper Piece, Comptes rendus de l’Acade'miebulgare des Sciences, 2009, vol 62, No11, 1461-1468 ISSN: 1310-1331.

Stoilov G., V. Kavardzhikov, D. Pashkouleva, Minimum mean square error approach in images processing for full-field displacements and deformationsМeasurements, International Book Series “ Information research and Applications”, Book 5, Inteligent Technologies and Applications, Sofia, 2008, (57-61).

Stoilov, G., J. Genov, V. Kavardzhikov, J. Kovachev, “A software system for determination of forming limit diagrams”, International Book Series, “Intelligent Engineering”, 2009, Book 11, Inteligent Technologies and Applications, 45-52, ISSN 1313-0455..

Cherneva S., Iankov R., Kavardjikov V., Stoychev D., Numerical modelling of microinentation experiment for determination mechanical characteristics of metals and alloys, J. of Theoretical and Applied Mechanics, vol. 37, No 2, 2007, pp. 45-58.

KIrilova, M., S. Stoytchev, D. Pashkouleva, V. Kavardzhikov, V. Tsenova, Mechanical properties of human fascia transferzalis, Reports of the Bulgarian Academy of Sciences, No. 7, 2006, (731-736).

Kavardzhikov,V., K. Goto, I. Nikolov, D. Pashkouleva, Optimization of a micro-lens fabrication technology, Nanoscience & Nanotechnology, Nanostruktured materials and inovation transfer, issue 6, eds. E. Balabanova, I. Dragieva, Heron Press, Sofia, 2006, (253-255).

Pashkouleva, D., V. Kavardzhikov, Ya. Ivanov, Investigation of epoxy resin convergent flow, Reports of the Bulgarian Academy of Sciences, 2005, vol. 58, No. 4, (391-296).

Kavardzhikov, V., N. Kounov, K Prodanov, A scanning laser photometric technique for investigation of erythrocyte sedimentation, Journal of Theoretical and Applied Mechanics, Sofia, 2004, vol. 34, No. 3, (79-92).

Kavardzhikov, V., D. Pashkouleva, Ya. Ivanov, Investigation of the flow of dilute disperse systems based on epoxy resin by partiocle image velocimetry, Journal of Theoretical and Applied Mechanics, Sofia, 2004, vol. 34, No. 4, (3-14).

Baltov, A., V. Kavardjikov, K. Sokolova, Theoretical-experimental study on mechanical behavior of wood under compression. Journal of Theoretical and Applied Mechanics, Sofia, 2003, vol. 33, No. 1, (45-54).

I.D. Nikolov, K. Goto, S. Mitsugi, Y. Kim and V.I.Kavardjikov, Nanofocusing recording probe for an optical disk memory, Nanotechnology, vol.13, 2002, (471-477).

Ivanov, Y., V. Kavardjikov, D. Pashkouleva, Combined method for quantitative characterization of fluid flow, Applied Rheology, vol.11, No3, 2001, (320-324).

Kavardjikov, V., P. Dineva, St. Karastanev, Dynamic problem solution of a finite cracked body by laser diffraction and hyper-singular traction BIEM.Journal of Theoretical and Applied Mechanics, vol. 31, No 1, 2001, (72-84).

Vanov, Y., V. Kavardzhikov, R. Kotsilkova, D. Paskouleva, V. Stoianov,Determination of the velocity profile and the wall sleep during a fluid moving in cylindrical tubes by using of speckle photography, Physics-Chemical Mechanics, vol. 26, 2000 (27-41). (in Bulgarian).

Kavardjikov, V., I. Nikolov, A. Manolova, Application of adaptive filters to processing of Young’s fringes, Optical and Quantum Electronics, vol. 30, 1998, (33-38).

Shapiro, V., I. Bacalov, V. Kavardjikov, Motion Analysis via interframe point correspondence establishment;Image and Vision Computing, Vol. 13, No 2, 1995, (111-118).

Shapiro V., D. Goutev, V. Kavardjikov, Automatic Young’s Fringe Analysis in Source Image Plane;Optics and Lasers in Engineering, No 18, 1993, (307-324).

Shapiro V. A., V.I. Kavardjikov, S. A. Atanassov, An Approach to Automatic Analysis of Young’s Fringes in Speckle Photography;Applied Optics, Vol.32, No 23, 1993, (4378-4387).

2. Publications in proceedings

Stoilov, G., D. Pashkouleva, V. Kavardzhikov. A strain sensitive pattern for structural health monitoring of civil engineering structures. Proc. of the International Conference on Civil Engineering Design and Construction, Varna, Bulgaria, 20-22 September 2018, 749-754. (ISSN: 2603-4255)

Kavardzhikov, V., G. Stoilov, D. Pashkouleva. Large construction displacement and deformation measurement by digital image correlation. Proc. of the International Conference on Civil Engineering Design and Construction, Varna, Bulgaria, 15-17 September 2016, 543-547 (ISBN: 978-954-92866-7-0)

Kavardzhikov V., D. Pashkouleva, “Application of speckle photography and digital image correlation methods to solid mechanics”, Proc. of the 2-nd International conference “Mechanical Engineering in XXI Century”, Nis, Serbia, June 20-21, 2013, 20-26, ISBN: 978-86-6055-039-4.

Kavardzikov V., D. Pashkouleva, G. Stoilov, A biaxial tensile test for meshes, fabrics and tissues, Proc. of the 11thNational Congress on Theoretical and Applied Mechanics, Borovets, 2-5 September, 2009, ISSN: 1313-9665.

Kavardzhikov, V., Localizing of surfsces structural changes by speckle correlation method, ХХII National conf. with international partitipation“Dedfectoscopy ’2007”, Sozpopl, Bulgaria, Proceedings of the Union of Mechanical Engineering, Year. XIV, No 3/98, 2007. (3-13).

Kavardzhikov, V., K. Goto, I. Nikolov, D. Pashkouleva, Optimization of a micro-lens fabrication technology, Proceedings of the 6-th Workshop “ Nanoscience & Nanotechnology”, Ed. By E Balabanova and I. Dragieva, Heron Press Ltd. 2006, (253-255).

Kavardzhikov, V., N. Kounov, K.Prodanov, A new approach to the investigation of erythrocyte sedimentation, accepted for publication in Proceedings of Eurosummer School on Biorheology, June 28-30, 2003 – Varna, Bulgaria, Edited by N. Antonova, (115-120).

Kavardzhikov, V., T. Horibe, I. Nikolov and K. Goto, An approach to the Metrology of Micro-Lenses, Technical Digest of The International Symposium on Ultra-High-Density Optical Storage. Feb. 21-22, 2002, Tokai University, Numazu, Japan, (72-73).

Ivanov, Ya., V. Kavardjikov, D. Pashkouleva, Rheological study of convergent flow by a laser-speckle photography, 9th International Conference of Mechanics and Technology of Composite Materials, 11-14 September, 2000, Sofia, Bulgaria, (78-92).

Projects

Bulgarian Ministry of Education and Science - Scientific projects

1. Project ФНИ No. KП-06-Н57/20 dated 14.12.2021 "Creation of a new type of self-lubricating metal composite antifriction materials with improved mechanical and tribological properties", financed by the "Scientific Research" fund, coordinator - the Institute of Metalscience, facilities and technologies with  Center for Hydro- and Aerodynamics "Acad. Angel Balevski" at BAS, partner - Institute of Mechanics - BAS, duration 2022-2024.

2. Contract No. 13ИФ-02-4/06.12.2022 г., financed by the National Innovation Fund of the Executive Agency for the Promotion of Small and Medium Enterprises, under the project: "Development of an Integrated Overload Control and Monitoring System for Electric Chain Hoists" , with Beneficiary/Coordinator: CLUSTER LIFTING TECHNIQUE LTD and Partner: INSTITUTE OF MECHANICS, duration 2023-2024.

3. Dec. 2006 - Dec. 2009. Leading researcher. Grant No ВУ-ТН-923/06. “Modeling the process of deep drawing by maximum usage of material’s plastic resource”.

4. Dec. 2004 - Dec. 2007. Leading researcher. Grant No ТН-1502/04. “Biomechanical study of synthetic Биомеханично substitutes of soft biological tissues”.

5. Dec. 1997 - Sept. 2001. Leader and Leading researcher. Grant No MM-709/97. “Investigation of erythrocyte aggregation and sedimentation by a new photometric method and its applications in medical diagnostics”.

6. Oct. 1993 - Apr. 1997. Leader and Leading researcher. Grant No TH-332/93. “Investigations of materials by optical and computer analysis of speckle images”.

7. Nov. 1991 - Nov. 1993. Leading researcher. Grant No MM-47/91. “Deformation processes in micro- and macro- non-homogeneous media”.

8. Sept. 1988 - Sept. 1991. Researcher. Grant No 8. “New mathematical models of deformation and destruction processes in non- homogeneous media ”.

Bulgarian Ministry of Economics and Energetyic

1. June 2006 - June 2009. Leader and Leading researcher. “Development of special thermo- and sound-isolation products and a technology for their fabrication ”.

2. Jan.1986 – Dec.1987. Researcher. Grant No 86-503-033. “Automatic opto-electronic computer system for quantitative analysis of non-elastic deformations”.

Other projects

1. Sept. 2004 – Match 2005. Oct. 2001– March 2002, Researcher. “Development of ultrahigh density optical disk memory by usage of VECESL array”. Department of information technologies , School of High Technology for Human Welfare. Tokai University (Japan).According to a direct negotiation between Bulgarian Ministry of Science and Education and Tokai University.

2. Jan. 2000 – March 2000. Dec. 1998 – March 1999. Researcher. “Industrial technologies, applying lasers for measurements and materials processing”. New Industrial research Organization, Kobe, (Japan). Japanese Society for Promotion of Science (JSPS) & Fund for Promotion of Science – Hyogo Prefecture (Japan).

Membership:

Optical Society of America

Union of scientists in Bulgaria

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