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SUMMARY:Peridynamic modelling of materials and structures - Dr Erkan Oterk
 us\, University of Strathclyde 
DTSTART:20191025T140000Z
DTEND:20191025T150000Z
UID:TALK133696@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:In order to determine the deformation response of materials an
 d structures subjected to external loading conditions\, \nclassical contin
 uum mechanics (CCM) was introduced by disregarding the atomistic structure
 . CCM has been successfully applied to numerous challenging problems. Howe
 ver\, its governing equation faced a difficulty when there is any disconti
 nuity in the structure such as a crack\, since spatial partial derivatives
  in its governing equation are\nnot defined for such a condition. In order
  to overcome this problem\, a new continuum mechanics approach\, Peridynam
 ics (PD)\, was recently introduced with the intention that PD equations re
 main always valid whether there is any discontinuity in the structure or n
 ot. This character of PD makes this new approach a powerful tool for predi
 cting crack initiation and propagation. Moreover\, PD can be considered as
  the continuum version of molecular dynamics. Therefore\, PD can be a suit
 able candidate for multi-scale analysis of\nmaterials. Furthermore\, PD fo
 rmulation can also be extended to other fields such as thermal diffusion\,
  moisture diffusion\, etc.\, so that it can be used as a single platform f
 or multiphysics analysis of materials and structures with damage predictio
 n capability. Hence\, in this seminar\, a brief introduction of peridynami
 c theory will be given and its applications in various different areas inc
 luding underwater shock response of composite materials\, corrosion damage
 \, ice fracture\, hydraulic fracturing\, failure in electronic packages wi
 ll be presented.\n\nDr. Erkan Oterkus is a senior lecturer at University o
 f Strathclyde\, Glasgow. He is also the director of the newly established 
 PeriDynamics Research Centre. Before joining Strathclyde\, he was a resear
 cher at NASA Langley Research Centre\, USA where he conducted research on 
 development of progressive damage modelling techniques. He received his Ph
 D degree from the University  of Arizona. He is the co-author of a book (P
 eridynamic Theory and Its Applications\, Springer) and numerous journal an
 d conference papers in the area of peridynamics\, structural health monito
 ring and mechanics of composite materials. Dr. Oterkus was a visiting prof
 essor at Stanford University (USA)\, University of Padova (Italy)\,\nOtto 
 von Guericke University (Germany) and Nihon University\n(Japan). Dr. Oterk
 us is an associate editor of Journal of Peridynamics and Nonlocal Modeling
  (Springer) and Sustainable Marine Structures (NASS). His research has bee
 n supported by various organizations and companies including European Comm
 ission\, Defence Science and Technology Laboratory (DSTL)\, U.S. Air Force
  Laboratory\, British Council\, QinetiQ\, Babcock\, Lloyd’s Register\, S
 amsung Electronics\, ORE Catapult\, TUBITAK and KIAT.\n
LOCATION:Seminar Room\, Civil Engineering Building\, JJ Thomson Avenue 7a.
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