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Latest trends on systems - Wseas.us

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LATEST TRENDS <strong>on</strong> SYSTEMS (Volume I)Plenary Lecture 8Gradient Theory Across the Scale Spectrum: Examples from Astroscales and Above toNanoscales and BelowProfessor Elias C. AifantisLaboratory of Mechanics and MaterialsPolytechnic SchoolAristotle University of Thessal<strong>on</strong>iki, Thessal<strong>on</strong>iki GR-54124, GREECEandCenter for Mechanics of Material Instabilities and Manufacturing ProcessesCollege of EngineeringMichigan Tech UniversityHought<strong>on</strong>, MI 49931, USAE-Mail: mom@mom.gen.auth.grAbstract: Gradient theory has been succesful in interpreting a variety of physical processes ranging from diff<strong>us</strong>i<strong>on</strong>and chemical reacti<strong>on</strong>s to deformati<strong>on</strong> and fracture phenomena. The theories of spinodal decompositi<strong>on</strong>, dislocati<strong>on</strong>patterning, gradient elasticity and gradient plasticity are special examples. After reviewing these advances, theextensi<strong>on</strong>s of gradient theory to model other phenomena across the scale spectrum are disc<strong>us</strong>sed. These includeexamples ranging from nanoscales and below to astroscales and bey<strong>on</strong>d.Brief Biography of the Speaker:E.C. Aifantis is a Professor of Mechanics at the Aristotle University of Thessal<strong>on</strong>iki, Hellas, and a DistinguishedResearch Professor of Engineering at Michigan Technological University, USA. For the last 10 years he has beencoordinating a European Research/Training Network, sequence <strong>on</strong> Material Instabilities in Deformati<strong>on</strong> and Fractureinvolving a number of leading European Laboratories (e.g. Cambridge, Delft and 5 more) with a total of about $5Milli<strong>on</strong>. Most recently a European Research Council (ERC) Starting Grant recipient (K. Aifantis) funded with 1.13Milli<strong>on</strong> Euros decided to c<strong>on</strong>duct her research in his laboratory (Physics Today - April 2008 issue, p.30-31, BBC;Science Careers. Moreover, two EU Internati<strong>on</strong>al Incoming Fellowships of 200 kEuros each were awarded (A.Romanov/Ioffe Physicotechnical Institute, R<strong>us</strong>sia, and N. Kio<strong>us</strong>sis/California State University, USA). He is also a co-PI of a NIRT NSF Program <strong>on</strong> Nanomechanics of Polymeric and Biological Nanofibers with a total budget exceeding$1 Milli<strong>on</strong>. He has published over 450 papers with over 5300 citati<strong>on</strong>s, edited 12 books, organized numero<strong>us</strong>internati<strong>on</strong>al c<strong>on</strong>ferences, and has been invited as keynote speaker <strong>on</strong> vario<strong>us</strong> occasi<strong>on</strong>s. He is an Editor of theJournal of Mechanical Behavior of Materials, H<strong>on</strong>orary Editor of Computer and Experimental Simulati<strong>on</strong>s inEngineering and Science, <strong>on</strong> the Advisory/Editorial board of Numerical and Analytical Methods in Geomechanics,Open Mechanics Journal, Journal of Nano Research, Reviews <strong>on</strong> Advanced Materials Science, Acta MechanicaSolida Sinica, Materials Physics and Mechanics, Acta Mechanica (formerly), Mechanics of Cohesive-Fricti<strong>on</strong>alMaterials (formerly). In June 2005 in the joint ASME/ASCE/SES Mechanics and Materials C<strong>on</strong>ference in Bat<strong>on</strong>Rouge, a Symposium was held h<strong>on</strong>oring his c<strong>on</strong>tributi<strong>on</strong>s in gradient theory, dislocati<strong>on</strong> patterning and materialinstabilities.ISSN: 1792-4235 28 ISBN: 978-960-474-199-1

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