Dr.sc. Igor Karšaj, Professor

 

Dissertation

Igor Karšaj: Numerical Modelling of Finite Strain Elastoplastic Deformations. Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb (in Croatian), 2006

Refereed Papers in CC, SCI Journals

Horvat, N., Virag, L., Holzapfel, G.A., Karšaj, I.: Implementation of collagen fiber dispersion in a growth and remodeling model of arterial walls. Journal of the Mechanics and Physics of Solids, Vol 153, 2021, 104498, doi:10.1016/j.jmps.2021.104498

Horvat, Nino, Virag, Lana, Karsaj, Igor: Mechanical role of intraluminal thrombus in aneurysm growth: A computational study. Biomechanics and Modeling in Mechanobiology, Vol 20, 2021, 1819–1832, doi:-doi:.org/10.1007/s10237-021-01478-w

Virag, L, Wilson, J.S., Humphrey, J.D., Karšaj, I.: Potential biomechanical roles of risk factors in the evolution of thrombus-laden abdominal aortic aneurysms. International Journal for Numerical Methods in Biomedical Engineering, Vol 33 (12), 2017, e2893, doi:10.1002/cnm.2893

Lana Virag, John S Wilson, Jay D Humphrey, Igor Karšaj: A Computational Model of Biochemomechanical Effects of Intraluminal Thrombus on the Enlargement of Abdominal Aortic Aneurysms. Annals of Biomedical Engineering, Vol 43 (12), 2015, 2852-2867, doi:10.1007/s10439-015-1354-z

Wilson, John S, Virag, Lana, DiAchille, Paolo, Karšaj, Igor, Humphrey, Jay D.: Biochemomechanics of Intraluminal Thrombus in Abdominal Aortic Aneurysms. JOURNAL OF BIOMECHANICAL ENGINEERING-TRANSACTIONS OF THE ASME, Vol 135 (-2), 2013, 021011-1 - 021011-14

Karšaj, I, Humphrey, JD: A Multilayered Wall Model of Arterial Growth and Remodeling. Mechanics of Materials, Vol 44, 2012, 110-119

Karšaj, I., Sorić, J., Humphrey, Jay D: A 3-D framework for arterial growth and remodeling in response to altered hemodynamics. International Journal of Engineering Science, Vol 48 (11), 2010, 1357-1372, doi:10.1016/j.ijengsci.2010.06.033

I. Karšaj, C. Sansour, J. Sorić: The modelling of fibre reorientation in soft tissue. Biomechanics and Modeling in Mechanobiology, Vol 8 (5), 2009, 359-370, doi:10.1007/s10237-008-0142-1

Igor Karšaj, Jay D Humphrey: A mathematical model of evolving mechanical properties of intraluminal thrombus. Biorheology, Vol 46 (6), 2009, 509-527

C. Sansour, I. Karšaj, J. Sorić: On a Numerical Implementation of a Formulation of Anisotropic Continuum Elastoplasticity at Finite Strains. Journal of Computational Physics, Vol 227 (16), 2008, 7643-7663, doi:10.1016/j.jcp.2008.04.025

C. Sansour, I. Karšaj, J. Sorić: On a formulation for anisotropic elastoplasticity at finite strains invariant with respect to the intermediate configuration. Journal of the Mechanics and Physics of Solids, Vol 55 (11), 2007, 2406-2426, doi:10.1016/j.jmps.2007.03.013

C. Sansour, I. Karšaj, J. Sorić: A Formulation of Continuum Anisotropic Elastoplasticity at Finite Strains. Part I: Modelling. International Journal of Plasticity, Vol 22 (12), 2006, 2346-2365

C. Sansour, I. Karšaj, J. Sorić: On Free Energy-Based Formulations for Kinematic Hardening and the Decomposition F=fpfe. International Journal of Solids and Structures, Vol 43, 2006, 7534-7552

C. Sansour, I. Karšaj, J. Sorić: On Anisotropic Flow Rules in Multiplicative Elastoplasticity at Finite Strains. Computer Methods in Applied Mechanics and Engineering, Vol 196, 2006, 1294-1309

I. Karšaj, C. Sansour, J. Sorić: A New Free Energy-Based Model of the Kinematic Hardening in Large Strain Elastoplasticity. Computer Modeling in Engineering & Sciences, Vol 8, 2005, 45-59

Refereed Papers in other Journals

I. Karšaj, C. Sansour, J. Sorić: On Modelling of Kinematic Hardening Responses in Finite Strain Elastoplasticity. Transactions of FAMENA, vol 28, 2, 2004, 1-10

Refereed Papers in Proceedings

Karsaj, Igor, Virag, Lana, Horvat, Nino, Zivic, Josip: A fluid-solid growth study of thrombus-laden aneurysm progression. XVI International Conference on Computational Plasticity. Fundamentals and Applications, Onate, E., Barcelona, Španjolska, 7-9 September 2021, 1076

Virag, Lana, Horvat, Nino, Karsaj, Igor: A computational study of bio-chemo-mechanical role of intraluminal thrombus in the aneurysm progression using finite elements. XVI International Conference on Computational Plasticity. Fundamentals and Applications, Onate, E., Barcelona, Španjolska, 7-9 September 2021, 1077

Milovic, Philipp, Tukovic, Zeljko, Virag, Lana, Karsaj, Igor: A block-coupled finite volume solver for analysis of large strain in incompressible hyperelastic materials. SMB 2021 Annual Meeting, Mark Alber, University of California, Riverside, 13-17 June 2021, 100

Zivić, J., Batistić, I., Tuković, ć., Karšaj I.: Modeliranje nestlačivosti metodom kontrolnih volumena i njena primjena u području biomehanike. Zbornik radova 9. susreta Hrvatskog društva za mehaniku - "50 godina Društva", Skozrit, I.; Tonković, Z.; Karšaj, I.; Jarak, T.; Lesičar, T., Zagreb: Hrvatsko društvo za mehaniku, 2019, 343-349., https://www.bib.irb.hr/1011900?&rad=1011900

Škugor T., Smoljkić, M., Tomić Z., Karšaj, I.: Eksperimentalno dvoosno ispitivanje 3D ispisanih polimernih uzoraka.. Zbornik radova 9. susreta Hrvatskog društva za mehaniku - "50 godina Društva", Skozrit, I.; Tonković, Z.; Karšaj, I.; Jarak, T.; Lesičar, T., Zagreb: Hrvatsko društvo za mehaniku, 11. - 12. July 2019, 319-324

Horvat, Nino, Virag, Lana, Humphrey Jay D., Karšaj, Igor.: Influence of intraluminal thrombus on axial features and expansion rate of abdominal aortic aneurysm: computational case study using 3D finite elements. 8th World Congress of Biomechanics, -, Dublin, Republika Irska, 8-12 July 2018, 3507, https://app.oxfordabstracts.com/stages/123/programme-builder/submission/24075?backHref=/events/123/programme-builder/view/sort/author&view=published

Horvat, Nino, Virag, Lana, Vrgoč, Ana, Karšaj, Igor: A computational study on influence of microstructure on wall stress distribution on 3D reconstructed model of human intracranial aneurysm. 8th World Congress of Biomechanics, -, Dublin, Republika Irska, 8-12 July 2018, 4590, https://app.oxfordabstracts.com/stages/123/programme-builder/submission/24025?backHref=/events/123/programme-builder/view/sort/author&view=published

Čorić, A., Virag, L., Karšaj, I.: Analiza naprezanja na aneurizmi abdominalne aorte. Zbornik radova Osmog susreta Hrvatskog društva za mehaniku, Penava, D., Guljaš, I., Bošnjak-Klečina, M., Osijek, Croatia, 7-8 July 2017, 43-48

Horvat, Nino, Krizmanić, Severino, Karšaj, Igor: Numeričko modeliranje stvaranja tromba u analizi rasta abdominalne aneurizme. Zbornik radova Osmog susreta Hrvatskog društva za mehaniku, Penava, Davorin ; Guljaš, Ivica ; Bošnjak-Klečina, Mirjana (ur.)., Osijek, 7-8 July 2017, 77-82

Virag, L., Horvat, N., Karšaj, I.: A computational study on the tortuosity of abdominal aortic aneurysms. Proceedings of the Third Soft Tissue Modeling Workshop, Luo, X.Y.; Simitev, R.; Parnell, W.; Hill, N.A., Glasgow, UK, 7-9 June 2017, 22

Horvat, Nino, Zambrano, Byron, Baek, Seungik, Karšaj, Igor: Numerical modeling of fluid solid growth in abdominal aortic aneurysm. 5th International Conference on Computational and Mathematical Biomedical Engineering - Proceeding, Vol.1., Nithiarasu, Perumal ; Robertson, Anne M. (ur.)., Pittsburgh, 10-12 April 2017, 172-175

Horvat, N., Virag, L., Righi, B., Karšaj, I.: A Simplified Finite Element Model of Aneurysm Expansion Considering Biochemical Influence of Thrombus. ESB 2016, Congress Organizing Committee (ed.), Lyon, France, 10-13 July 2016, 431, https://esbiomech.org/conference/index.php/congress/lyon2016/paper/viewFile/775/431

Ferlin, S., Virag, L., Karšaj, I.: Analiza rasta aneurizme abdominalne aorte na temelju CT snimaka. Zbornik radova sedmog susreta Hrvatskog društva za mehaniku, P. Marović; M. Galić; L. Krstulović-Opara (ur.), Split, 16-17 June 2016, 67-72

Virag, L., Righi, B., Horvat, N., Karšaj, I.: Ispitivanje biološkog utjecaja tromba na fiziformnu aneurizmu. Zbornik radova sedmog susreta Hrvatskog društva za mehaniku, P. Marović; M. Galić; L. Krstulović-Opara (ur.), Split, 16-17 June 2016, 211-216

Horvat, N., Virag, L., Karšaj, I.: Analiza utjecaja mišićnih stanica na ponašanje aorte pomoću konačnih elemenata. Zbornik radova sedmog susreta Hrvatskog društva za mehaniku, P. Marović; M. Galić; L. Krstulović-Opara (ur.), Split, 16-17 June 2016, 85-90

Karšaj, I., Horvat, N., Virag, L.: Implementation of growth and remodeling model in 3D finite element code: application to abdominal aortic aneurysm. ECCOMAS 2016, Organizing Committee (ed.), Hersonissos, Crete, Greece, 5-10 June 2016, 7078, https://www.eccomas2016.org/proceedings/pdf/7078.pdf

Virag, L., Karšaj, I., Horvat, N., Ferlin, S.: Influence of axial features of abdominal aortic aneurysms on the expansion rate: a computational case study using 3D finite elements. ECCOMAS 2016, Organizing Committee (ed.), Hersonissos, Crete, Greece, 5-10 June 2016, 6202, https://www.eccomas2016.org/proceedings/pdf/6202.pdf

Di Achille, P., Wilson, J.S., Virag, L., Karšaj, I., Humphrey, J.D.: A Biochemomechanical Role of Thrombus in Abdominal Aortic Aneurysm. ECCOMAS 2016, Congress Organizing Committee (ed.), Hersonissos, Crete, Greece, 5-10 June 2016, 7548, https://www.eccomas2016.org/proceedings/pdf/7548.pdf

Virag, L., Karšaj, I., Sorić, J., Humphrey, J.D.: Implementation of Abdominal Aortic Aneurysm Growth and Remodeling Model into Finite Element Code. Multiscale Methods and Validation in Medicine and Biology III, B. Klug, A. Levine (ed.), Los Angeles, California, USA, 25-26 February 2016, 35, http://mmvmb3.usacm.org/sites/default/files/MMVMB3Abstracts0223.pdf

Virag, L., Vindiš, V., Sorić, J., Karšaj, I.: Implementation of Thrombus-laden Abdominal Aortic Aneurysms into Finite Element Code. 8th International Congress of Croatian Society of Mechanics, I.Kožar, N.Bićanić, G. Jelenić, M.Čanađija, Opatija, Croatia, 29 September - 2 October 2015, CD-ROM edition

Virag, L., Vindiš, V., Wilson, J.S., Humphrey, J.D., Karšaj, I.: Parametric study of the influence of intraluminal thrombus and collagen stiffness and turnover on the aneurysmal wall. 9th European Solid Mechanics Conference, Javier LLorca, Alberto Corigliano, Madrid, Spian, 6-10 July 2015, CD-ROM edition, http://www.esmc2015.org/_contxt/_medien/_upload/_abstracts/923_abstract.pdf

Karšaj, I, Vindiš, V., Virag, L., Holzapfel, G.A.: Arterial Growth & Remodeling – the Finite Element Implementation. 9th European Solid Mechanics Conference, Javier LLorca, Alberto Corigliano, Madrid, 6-10 July 2015, CD-ROM edition, http://www.esmc2015.org/_contxt/_medien/_upload/_abstracts/1135_abstract.pdf

Igor Karšaj, Lana Virag, Jay D. Humphrey, Gerhard A. Holzapfel: Numerical Modeling of the Aneurysmal Abdominal Aortic Wall. 7th World Congress of Biomechanics, JD Humphrey, Boston, USA, 6-11 July 2014, CD-ROM edition

Vindiš, V., Virag, L., Karšaj I.: Implementacija Numeričkog Modela Rasta Aneurizme Abdominalne Aorte u Paket za Konačne Elemente. Šesti susret Hrvatskog društva za mehaniku, G. Jelenić, M. Gaćeša (ur.), Rijeka, 29-30 May 2014, 257-262

Virag, L., Vindiš, V., Wilson J. S., Karšaj, I., Humphrey, J. D.: Model Rasta i Restrukturiranja Aneurizme Abdominalne Aorte. Šesti susret Hrvatskog društva za mehaniku, G. Jelenić, M. Gaćeša (ur.), Rijeka, 29-30 May 2014, 263-268

Lana Virag, John S. Wilson, Vedran Vindiš, Igor Karšaj, Jay D. Humphrey: Model of Aneurysmal Enlargement Based on Biochemomechanical Processes in Intraluminal Thrombus. Multiscale Methods and Validation in Medicine and Biology II: Biomechanics and Mechanobiology, -, Berkeley, CA, USA, 13-14 February 2014, 48

Virag, L., Wilson J. S., Karšaj, I., Humphrey, J. D.: Influence of intraluminal thrombus maturation on the abdominal aortic aneurysm enlargement. 19th ESB Congress, -, Patras, Greece, 25-28 August 2013, -

Virag, L., Wilson, J. S., Karšaj, I., Humphrey, J. D.: Međudjelovanje intraluminalnog tromba i aneurizmatične stijenke arte. Zbornik radova Petog susreta Hrvatskog društva za mehaniku, I. Karšaj, T. Jarak  (ur.), Donja Stubica, Hrvatska, 6-7 June 2013, 213-218

Vindiš, V., Virag, L., Karšaj, I.: Numerički model ponašanja intraluminalnog tromba kod aneurizme abdominalne aorte pri dvoosnom opterećenju. Peti susret Hrvatskog društva za mehaniku, Zbornik radova Petog susreta Hrvatskog društva za mehaniku, Donja Stubica, Hrvatska, 6-7 June 2013, 207-212

Virag, Lana, Karšaj, Igor, Humphrey Jay D: Interaction of Intraluminal Thrombus and Aortic Wall - 3-D Numerical Model. 8th European Solid Mechanics Conference, Holzapfel, GA ; Ogden, RW, Graz, Austria, 9-13 July 2012, CD-ROM edition

Karšaj, Igor, Virag, Lana, Sorić, Jurica, Humphrey, Jay D: Application of 3-D G&R Model to Abdominal Aorta. 7th International Congress of Croatian Society of Mechanics, Virag, Zdravko ; Kozmar, Hrvoje ; Smojver, Ivica, Zadar, Croatia, 22-25 May 2012, CD-ROM edition

Karšaj, Igor, Sorić, Jurica, Humphrey, Jay: Growth and Remodeling at Arterial Layers. XI International Conference on Computational Plasticity - Fundamentals and Applications, Owen, Onate, Barcelona, Spain, 7-9 September 2011, CD-ROM edition

Karšaj, I, Sorić, J., Humphrey, J.D.: Numeričko modeliranje radsta i promjene strukture slojeva stijenke aorte. Četvrti susret Hrvatskog društva za mehaniku, Marija Živić, Slavonski Brod, Croatia, 10 June 2011, CD-ROM edition

Perić, M., Tonković, Z., Karšaj, I.: Numerical analysis of Residual Stresses in Welding Process Using Shell to Solid Coupling Technique. International Conference on Advances in Welding Science and Technology for Construction, Energy and Transportation Systems, -, Istanbul, Turkey, 11-17 July 2010, CD-ROM edition

Karšaj, Igor, Humphrey, Jay D: Arterial Growth and Remodeling - 3D Approach. Modeling Biological Materials, An IAMCS-KAUST Sponsored Event, -, College Station, USA, 27-28 January 2010, -

Tonković, Z., Sorić, J., Karšaj, I., Perić, M.: Numerical modeling of welding process. 5. International Scientific-Professional Conference SBW 2009, Robotization and automation in welding and other techniques, Samardžić, Ivan. (ur.), Slavonski Brod, Croatia, 11-13 November 2009, CD-ROM edition

Karšaj, Igor, Humphrey, Jay: 3D model of arterial growth and remodeling. 6th International Congress of Croatian Society of Mechanics / Book of Abstracts, I. Smojver; J. Sorić, Dubrovnik, 30 September - 2 October 2009, CD-ROM edition

Perić, M., Tonković, Z., Karšaj, I.: Numerical analysis of residual stresses in welding process using submodelling technique. 62nd Annual Assembly and International Conference of the International Institute of Welding, -, Singapore, Singapore, 12-17 July 2009, CD-ROM edition

Karšaj, Igor, Sansour, Carlo, Sorić, Jurica: Numerical Modelling of Fibre Reorientation in Soft Tissue. 8th World Congress on Computational Mechanics and 5th European Congress on Computational Methods in Applied Sciences and Engineering, Schrefler, B.A. ; Perego, U., Venecija, Italija, 30 June - 4 July 2008, CD-ROM edition

Karšaj, Igor, Sansour, Carlo, Sorić, Jurica: On fibre reorientation modelling at soft tissue. Second International Conference on Mechanics of Biomaterials & Tissues, Taylor (ed.), Lihue, USA, 9-13 December 2007, 55

Karšaj, I., Sansour, C., Sorić, J.: On Modelling of Elastoplastic Responses of Shell-like Structures. Proceedings of Special Workshop: Advanced Numerical Analysis of Shell-like Structures, J. Sorić, F. Gruttmann, W. Wagner (eds.), Zagreb, Croatia, 26-28 September 2007, 179-187

Karšaj, I., Sansour, C., Sorić, J.: Numeričko modeliranje bioloških tkiva. Zbornik radova Prvog susreta Hrvatskog društva za mehaniku, M. Čanađija (ur.), Rijeka, Croatia, 29 June 2007, 109-115

I. Karšaj, C. Sansour, J. Sorić: An Efficient Modelling of Anisotropic Large Strain Elastoplastic Deformation Responses. Proceedings of 5th International Congress of Croatian Society of Mechanics, Franjo Matejiček (ur.), Trogir, Croatia, 21-23 September 2006, CD-ROM edition

C. Sansour, I. Karšaj: On Anisotropic Formulations of Multiplicative Finite Strain Plasticity. Theoretical and Numerical Aspects. Proceedings of International Symposium on Plasticity, -, Halifax, NS, Canada, 17-20 July 2006, CD-ROM edition

I. Karšaj, C. Sansour, J. Sorić: Computational aspects of anisotropic finite strain plasticity based on the multiplicative decomposition. Proceedings of III European Conference of Computational Mechanics, -, Lisabon, Portugal, 4-9 June 2006, CD-ROM edition

C. Sansour, I. Karšaj: On Invariant Formulations of Anisotropic Plasticity. Proceedings of a Joint Conference of The Association for Computational Mechanics in Engineering (UK) and The Irish Society for Scientific and Engineering Computation, -, Queen's University Belfast, Northern Ireland, 19-20 April 2006, CD-ROM edition

I. Karšaj, J. Sorić, C. Sansour: On anisotropic elastoplastic responses of shell structures. Proceedings of 10th International Conference on Numerical Methods in Continuum Mechanics & 4th Workshop on Trefftz Methods, -, Žilina, Slovak Republic, 23-26 August 2005, CD-ROM edition

I. Karšaj, C. Sansour, J. Sorić: An efficient numerical modelling of anisotropic structural behaviour in large strain elastoplasticity. Proceedings of Third M.I.T. Conference on Computational Fluid and Solid Mechanics, K.-J. Bathe (ed.), Cambridge, USA, 14-17 June 2005, CD-ROM edition

I. Karšaj, C. Sansour, J. Sorić: On the Numerical Modelling of Orthotropic Large Strain Elastoplasticity. ICCES'04: International Conference on Computational & Experimental Engineering and Sciences, A. Tadeu, S.N. Atluri (eds.), Madeira, Portugal, 26-29 July 2004, CD-ROM edition

J. Sorić, Z. Tonković, I. Karšaj: On Numerical Modeling of Elastoplastic Responses of Shell Structures. Proceedings of NATO Advanced Research Workshop: Multi-physics and Multi-scale Computer Models in Non-linear Analysis and Optimal Design of Engineering Structures under Extreme Conditions, A. Ibrahimbegovic, B. Brank (eds.), Bled, Slovenia, 13-17 June 2004, CD-ROM edition

T. Jarak, I. Karšaj, J. Sorić: Effect of hardening responses on elastoplastic behavior of shell structures. Proceedings of the 4th International Congress of Croatian Society of Mechanics, F. Matejiček (ur.), Bizovac, Croatia, 18-20 September 2003, CD-ROM edition

I. Karšaj, C. Sansour, J. Sorić: An efficient free energy-based modeling of kinematic hardening in large strain elastoplasticity. Proceedings of the 7th International Conference on Computational Plasticity COMPLAS 2003, E. Onate, D.R.J. Owen (eds.), Barcelona, Spain, 7-10 April 2003, CD-ROM edition