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SUMMARY:CESS seminar - Dynamic rupture behavior and friction evolution rev
 ealed by laboratory experiments using ultra high-speed digital image corre
 lation
DTSTART:20230310T121500
DTEND:20230310T130000
DTSTAMP:20260509T054903Z
UID:b078932bced569f0ff8ccd965cd175bacec7a837f323fd6e4eef2b9b
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Vito Rubino\, École Centrale de Nantes\nAbstract\nShear
  cracks along interfaces are relevant to a broad class of engineering and 
 geophysics applications\, ranging from the failure of composite materials 
 and bonded joints to earthquakes and landslides. Characterizing the rheolo
 gy of interfaces and faults is of paramount importance to improve our unde
 rstanding of frictional ruptures\, as friction controls key processes of r
 upture nucleation\, propagation\, and arrest and influences various ruptur
 e outcomes\, for example how damaging earthquakes can be.  In this presen
 tation\, I will discuss recent advances in the characterization of rupture
  behavior and friction evolution using our newly developed imaging techniq
 ue\, based on digital image correlation (DIC) coupled with ultrahigh speed
  photography. One of the highlights of this new approach is its ability to
  experimentally capture the full-field evolution of particle velocities an
 d strains of spontaneously propagating dynamic ruptures at a level of deta
 il that until recently was possible to achieve only with numerical simulat
 ions. Dynamic imaging of stresses enables us to decode the nature of frict
 ion by tracking its evolution and studying its dependence on slip\, slip v
 elocity and their history. The measured friction behavior allows us to cha
 llenge existing friction laws and formulate new ones. This approach gives 
 a new perspective on the study of friction and provides important insights
  into earthquake and rupture physics.\n\n\nShort bio\nVito Rubino is Assoc
 iate Professor at École Centrale de Nantes\, France\, since September 202
 2. His research interests focus on experimental and computational mechanic
 s to study fracture and friction phenomena. Dr Rubino received his undergr
 aduate degree from Politecnico di Torino\, Italy\, while holding a researc
 h assistant position at Imperial College London on his final year. He obta
 ined his Ph.D. from the University of Cambridge in 2008. After a brief exp
 erience in industry on R&D with Airbus UK\, in 2011 he started his postdoc
 toral studies at the California Institute of Technology (Caltech)\, in the
  Department of Aerospace (GALCIT). He then became Research Scientist at Ca
 ltech in 2015. He recently earned a NeXT Talent award at Centrale Nantes.\
 n 
LOCATION:GC B3 30 https://plan.epfl.ch/?room==GC%20B3%2030 https://epfl.zo
 om.us/j/69331071567
STATUS:CONFIRMED
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