Yannis Korkolis, Assistant Professor
Yannis Korkolis, Assistant Professor
Prof. Korkolis joined the department in Fall 2009. He is trained as a mechanical engineer with emphasis on mechanical constructions and on manufacturing, while his graduate studies are in solid mechanics. He also has 2 years of industrial experience. His research aims at interfacing mechanics of materials, constitutive modeling and failure, using numerical methods and experimental techniques. It is motivated by – but not limited to – actual manufacturing problems, such as those encountered in sheet metal forming and tube hydroforming. He has worked on constitutive modeling of advanced aluminum alloys, formability and failure prediction, modeling of machining operations, tube hydroforming and microforming processes.
Prof. Korkolis is the recipient of a 2012 CAREER Award from the National Science Foundation (NSF). His research is further supported by grants from NSF, Office of Naval Research, Dept. of Commerce and Ford Motor Company.
Prof. Korkolis has taught ME 542 - Mechanical Dissection and Design Analysis, ME 643 – Machine Design, ME 795/895 - Materials Processing in Manufacturing, ME 777/877 - Computer-Aided Engineering, ME 927 - Theory of Plasticity and ME 795/995 - Experimental Mechanics while at UNH.
For more details, please take a look at Prof. Korkolis' C.V
Prof. Korkolis' areas of reasearch are the following:
- Plasticity and constitutive modeling of materials.
- Ductile fracture and formability. Instabilities and wrinkling.
- Forming of light-weight materials (e.g., high rate forming processes, sheet metal forming, tube hydroforming).
His present research efforts are summarized below:
J.F. Wilson, B.L. Kinsey and Y.P. Korkolis, “Development of a biaxial loading frame for sheet metal”, Journal of Manufacturing Processes–SME (in press) link
N. Deng and Y.P. Korkolis, “Numerical study of the lateral crushing and reinflation of stainless steel and aluminum tubes”, Journal of Manufacturing Processes – SME, 15 (2013), 242-255 link
G.W. Cullen and Y.P. Korkolis, “Ductility of 304 stainless steel under pulsed uniaxial loading”, International Journal of Solids and Structures, 50 (2013), 1621-1633 link
L. Wang, Y.P. Korkolis and B.L. Kinsey, “Investigation of strain gradients and magnitudes during microbending”, Journal of Manufacturing Science and Engineering-ASME, 134 (2012), 041011-1/-9 link
Y.P. Korkolis and S. Kyriakides, “Hydroforming of anisotropic aluminum tubes. Part II: analysis”, International Journal of Mechanical Sciences, 53 (2011), 83-90 link
Y.P. Korkolis and S. Kyriakides, “Hydroforming of anisotropic aluminum tubes. Part I: experiments”, International Journal of Mechanical Sciences, 53 (2011), 75-82 link
T. Giagmouris, S. Kyriakides, Y.P. Korkolis and L.-H. Lee, “On the localization and failure in aluminum shells due to crushing-induced bending and tension”, International Journal of Solids and Structures, 47 (2010), 2680-2692 link
Y.P. Korkolis, S. Kyriakides, T. Giagmouris and L.-H. Lee, “Constitutive modeling and rupture predictions of Al-6061-T6 tubes under biaxial loading paths”, Journal of Applied Mechanics-ASME, 77 (2010), 064501-1/-5 link
Y.P. Korkolis and S. Kyriakides, “Path-dependent failure of inflated aluminum tubes”, International Journal of Plasticity, 25/11 (2009) 2059-2080 link
Y.P. Korkolis and S. Kyriakides, “Inflation and burst of anisotropic aluminum tubes, part II: an advanced yield function including deformation-induced anisotropy”, International Journal of Plasticity, 24/9 (2008) 1625-1637 link
Y.P. Korkolis and S. Kyriakides, “Inflation and burst of anisotropic aluminum tubes for hydroforming applications”, International Journal of Plasticity, 24/3 (2008) 509-543 link
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