Assoc. Prof. Dr. Cihan Tekoğlu

Department of Mechanical Engineering
  TOBB University of Economics and Technology

Söğütözü Cad. No: 43,
Söğütözü, Ankara, 06560 TURKEY
e-mail: cihantekoglu@etu.edu.tr
phone: +90 (312) 292 40 65
fax: +90 (312) 292 40 91


Home
Résumé
Scientific Contributions
Reserch Interests
Teaching
Working with me

Funded Projects
  • TÜBİTAK 1001 - A Numerical and Experimental Investigation of Crack Propagation Mechanisms in Ductile Metal Plates, 05/2016–11/2019, funded by The Scientific and Technological Research Council of Turkey, budget = 94131 EUR, Principal Investigator
  • TÜBİTAK 3501 - Microstructural Optimization of Dual-Phase (DP) steels, 09/2012–03/2015, funded by The Scientific and Technological Research Council of Turkey, budget = 45000 EUR, Principal Investigator.
  • HETMAT - Heterogeneous Materials, 04/2007–06/2010, funded by European Scientific Coordination Network (ESCN), budget = 100000 EUR, Researcher
Peer-Reviewed Journal Publications
  • C. Tekoğlu, K. L. Nielsen, 2019. Effect of damage-related microstructural parameters on plate tearing at steady state. Eur. J. Mech. A-Solid. Advance online publication. (doi
  • W. E. D. Nelissen, C. Ayas, C. Tekoğlu, 2019. 2D lattice material architectures for actuation. J. Mech. Phys. Solids 124, 83-101. (doi)
  • C. Ayas, C. Tekoglu, 2018. On the sufficient symmetry conditions for isotropy of elastic moduli. J. Appl. Mech. 85, 074502-074502-5. (doi)
  • T. N. Pronk, C. Ayas, C. Tekoglu, 2017. A quest for 2D lattice materials for actuation. J. Mech. Phys. Solids 105, 199-216. (doi)
  • M.E. Torki, C. Tekoğlu, J.-B. Leblond, A.A. Benzerga, 2017. Theoretical and numerical analysis of void coalescence in porous ductile solids under arbitrary loadings. Int. J. Plasticity 91, 160-181. (doi)
  • C. Tekoğlu, 2015. Void coalescence in ductile solids containing two populations of voids. Eng. Fract. Mech. 147, 418-430. (doi)
  • C. Tekoğlu, J. W. Hutchinson, T. Pardoen, 2015. On localization and void coalescence as a precursor to ductile fracture. Philos. T. R. Soc. A. 373, 1-9. (doi)
  • C. Tekoğlu, 2014. Representative volume element calculations under constant stress triaxiality, Lode parameter, and shear ratio. Int. J. Solids Struct. 51, 4544-4553. (doi)
  • C. Tekoğlu, J.-B. Leblond, T. Pardoen, 2012. A criterion for the onset of void coalescence under combined shear and tension. J. Mech. Phys. Solids, 60, 1363-1381. (doi)
  • L. Lecarme, C. Tekoğlu, T. Pardoen, 2011. Void growth and coalescence in ductile solids with stage III and stage IV strain hardening. Int. J. Plasticity 27,1203-1223. (doi)
  • F. Scheyvaerts, P. R. Onck, C. Tekoğlu, T. Pardoen, 2011. The growth and coalescence of ellipsoidal voids in plane strain under combined shear and tension. J. Mech. Phys. Solids 59, 373-397. (doi)
  • C. Tekoğlu, L. G. Gibson, T. Pardoen, P. R. Onck, 2011. Size effects in foams: Experiments and modeling. Prog. Mater. Sci. 56, 109-138. (doi)
  • C. Tekoğlu, T. Pardoen, 2010. A micromechanics based damage model for composite materials. Int. J. Plasticity 26, 549-569. (doi)
  • S. K. Yerra, C. Tekoğlu, F. Scheyvaerts, L. Delannay, P. Van Houtte, T. Pardoen, 2010. Void growth and coalescence in single crystals. Int. J. Solids Structures 47, 1016-1029. (doi)
  • T. Pardoen, F. Scheyvaerts, A. Simlar, C. Tekoğlu, P. R. Onck, 2010. Multiscale modeling of ductile failure in metallic alloys. C. R. Physique 11, 326-345. (doi)
  • C. Tekoğlu, P. R. Onck, 2008. Size effects in two-dimensional Voronoi foams: A comparison between generalized continua and discrete models. J. Mech. Phys. Solids 56, 3541-3564. (doi)
  • C. Tekoğlu, P. R. Onck, 2005. Size effects in the mechanical behavior of cellular materials. J. Mater. Sci. 40, 5911-5917. (doi)
Refereed Proceedings
  • C. Tekoğlu, Ş. Çelik, H. Duran, M. Efe, K. L. Neilsen, submitted. Experimental Investigation of Crack Propagation Mechanisms in Commercially Pure Aluminium Plates. To: Proceedings of 1st International Workshop on Plasticity, Damage and Fracture of Engineering Materials (IWPDF2019), August
    22-23, 2019, Ankara, Turkey.
  • T. Yalçınkaya, G. Ö. Güngör, S. O. Çakmak, C. Tekoglu, submitted. A numerical investigation of the mechanical behavior of dual-phase steels. To: Proceedings of 1st International Workshop on Plasticity, Damage and Fracture of Engineering Materials (IWPDF2019), August 22-23, 2019, Ankara, Turkey.
  • M. F. Kacar, C. Tekoğlu, K. L. Nielsen, 2017. Fracture Surface Morphology under Ductile Tearing of Metal Plates. In: Proceedings of the 30th Nordic Seminar on Computational Mechanics, NSCM-30, October 25-27, 2017, Technical University of Denmark.
  • M. Inanc, T. Pardoen, C. Tekoğlu, 2015. An Enhanced Mori-Tanaka Homogenization Scheme for Incremental, Non-Linear Rate-Independent Plasticity. In: Proceedings of the 5th ECCOMAS Thematic Conference on the Mechanical Response of Composites, COMPOSITES 2015, 07-09 September, 2015, University of Bristol, UK [CD-ROM].
  • C. Tekoğlu, S. Attari, J.-B. Leblond, T. Pardoen, 2014. Void coalescence through internal necking: Thomason’s criterion revisited. In: Proceedings of
    the 16th International Conference on Machine Design and Production, June 30- July 03, 2014, Izmir, Turkey [CD-ROM]
  • F. Büyüksolak, H. Canbaz, C. Yıldırım, C. Tekoğlu, Y. Taşcıoğlu, 2014. Dört rotorlu insansiz hava araci tasarimi ve üretimi. In: Proceedings of the 5th
    National Mechatronics Engineering Students Congress (MeMÖK2014), 24 May 2014, Atilim University, Ankara, Turkey
  • Yerra Sampath, Kumar; Tekoğlu, Cihan; Van Bael, A.; Delannay, Laurent; Van Houtte, P.; Pardoen, T. et al. (2010). The Facet-Gurson model for ductile damage process. In :Proceedings of the 18th European Conference on Fracture. D. Klingbeil, M. Vormwald, K.-G. Eulitz eds., p. CD-RomB053-2. 18th European Conference on Fracture (ECF18), Dresden, Germany, from 30/08/2010 to 03/09/2010. http://hdl.handle.net/2078.1/79192.
  • Tekoğlu, Cihan; Pardoen, Thomas (2009). A micromechanics based model for ductile damage in multiphase and composite metallic alloys combining extended Gurson and homogenization theory. In :Proceedings of the 12th International Congress on Fracture, ICF12, p. Paer#T10037. 12th International Congress on Fracture, ICF12, Ottawa, Cananda, from 12/07/2009 to 17/07/2009. http://hdl.handle.net/2078.1/76459.
  • Pierman, Anne-Pascale; Tekoğlu, Cihan; Pardoen, Thomas; Jacques, Pascal (2009). Nucleation, growth and coalescence of voids in dual phase steels: from model microstructures to microstructure based modelling. In :Proceedings of the 12th International Congress on Fracture, ICF12, Ottawa, Cananda, from 12/07/2009 to 17/07/2009. http://hdl.handle.net/2078.1/74939.
  • Pierman, Anne-Pascale; Tekoğlu, C.; Pardoen, Thomas; Jacques, Pascal (2009). On the characterisation and optimisation of the resistance to crack initiation and propagation of dual phase steels. In :Abstract book, p. 71. Thermec'2009 - International Conference on Processing & Manufacturing of Advanced Materials, Berlin, Germany, from 25/08/2009 to 29/08/2009. http://hdl.handle.net/2078.1/78959.
  • Pardoen, Thomas; Scheyvaerts, F.; Tekoğlu, Cihan; Lecarme, Liza; Fabrègue, Damien; Onck, P. et al. (2009). Recent Progress in Micromechanics-based Modeling of Void Coalescence. In :Proceedings of the 2009 SEM Annual Conference and Exposition on Experimental and Appliend MechanicsSociety for Experimental Mechanics Inc. ed(s), p. 7. 2009 SEM Annual Conference and Exposition on Experimental and Appliend Mechanics, Albuquerque, NM USA, from 01/06/2009 to 04/06/2009. http://hdl.handle.net/2078.1/76457.
  • C. Tekoğlu, P. R. Onck, 2003. A comparison of discrete and Cosserat continuum analyses for cellular materials. In: J. Banhart, N. A. Fleck, A. Mortensen (Eds.), Proceedings of MetFoam 2003, Cellular Metals: Manufacture, Properties, Applications, MIT, Berlin.
  • C. Tekoğlu, P. R. Onck, 2003. Identification of Cosserat constants for cellular materials. In: Proceedings of the 9th International Conference on the Mechanical Behaviour of Materials, Geneva, Switzerland [CD-ROM].
  • J. Fatemi, F. van Keulen, P. R. Onck, C. Tekoğlu, 2003. On micropolar modelling of cancellous bone. In: L. J. Soslowsky, T. C. Skalak, J. S. Wayne, G. A. Livesay (Eds.), Proceedings of the 2003 ASME Summer Bioengineering Conference, Key Biscayne, Florida, United States [CD-ROM].
Poster Presentations
  • Ş. Çelik, C. Tekoğlu, K. L. Neilsen. On the fracture surface morphology under ductile plate tearing at steady state. In: 1st International Workshop on Plasticity, Damage and Fracture of Engineering Materials (IWPDF2019), August 22-23, 2019, Ankara, Turkey.
  • C. Tekoğlu. Coalescence of primary voids in the presence of a secondary population. In: 3rd International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, June 2-4, 2014, Izmir, Turkey. 
  • S. Attari, T. Pardoen, J.-B. Leblond, C. Tekoğlu. Void coalescence through internal necking. In: 3rd International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, June 2-4, 2014, Izmir, Turkey. 
  • M. Inanc, T. Pardoen, C. Tekoğlu. An enhanced Mori-Tanaka homogenization scheme for incremental, non-linear rate-independent plasticity. In: 3rd International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, June 2-4, 2014, Izmir, Turkey.
  • M. Inanc, T. Pardoen, O. Bouaziz, C. Tekoğlu. The effect of per-phase properties on the ductility of dual phase (DP) steels. In: 2nd International Workshop on Physics Based Modeling of Material Properties and Experimental Observations, May 15-17, 2013, Antalya, Turkey.
  • S. Attari, T. Pardoen, J.-B. Leblond, C. Tekoğlu. Void coalescence under combined tension and shear. In: 2nd International Workshop on Physics Based
    Modeling of Material Properties and Experimental Observations, May 15-17, 2013, Antalya, Turkey.
  • L. Lecarme, C. Tekoğlu, S. K. Yerra, L. Delannay, T. Pardoen. Strain hardening and viscoplastic effects on void growth and coalescence. In: Thermec´2009 - International Conference on Processing & Manufacturing of Advanced Materials, August 25-29, 2009, Berlin, Germany.
  • A. P. Pierman, C. Tekoğlu, T. Pardoen, P. J. Jacques. On the characterisation and optimisation of the resistance to crack initiaton and propagation of dual phase steels. In: Thermec´2009 - International Conference on Processing & Manufacturing of Advanced Materials, August 25-29, 2009, Berlin, Germany.
  • A. P. Pierman, C. Tekoğlu, T. Pardoen, P. J. Jacques. Damage in Dual-Phase Steels: from model microstructure to microstructure based modeling. In: Colloque national MECAMAT, Mécanique et mécanismes des changements de phase, January 26-30, 2009, Aussois, France.
  • C. Tekoğlu, P. R. Onck. Size-effects in cellular materials. In: MSCplus bi-annual meeting, May 29-31, 2005, Vlieland, The Netherlands. 
  • C. Tekoğlu, P. R. Onck. Size-effects in cellular materials. In: 7th Congress of the Netherlands Institute for Metals Research (NIMR), December 12-13, 2005, Noordwijkerhout, The Netherlands.
  • C. Tekoğlu, P. R. Onck. A Modified Cosserat theory for Cellular Solids. In: 6th Congress of the Netherlands Institute for Metals Research (NIMR), December, 2004, Noordwijkerhout, The Netherlands.
  • C. Tekoğlu, P. R. Onck. A comparison of discrete and Cosserat continuum analyses for cellular metals. In: 5th Congress of the Netherlands Institute for
    Metals Research (NIMR), December 8-9, 2003, Noordwijkerhout, The Netherlands.
  • C. Tekoğlu, P. R. Onck. Identification of Cosserat constants for cellular materials. In: 5th EUROMECH Solid Mechanics Conference, August 17-22, 2003, Thessaloniki, Greece.
  • C. Tekoğlu, P. R. Onck. A comparison of discrete and Cosserat continuum analyses for cellular metals. In: 3th International Conference on Cellular Metals
    and Metal Foaming Technology, June 23-25, 2003, Berlin, Germany.
  • C. Tekoğlu, P. R. Onck. Identification of Cosserat constants for cellular materials. In: 4th Congress of the Netherlands Institute for Metals Research (NIMR), December 16-17, 2002, Noordwijkerhout, The Netherlands.