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SUMMARY:MechE Colloquium: Instabilities and Catastrophes in Granular Matte
 r: Dangers of Life without a Hamiltonian
DTSTART:20191119T121500
DTEND:20191119T131500
DTSTAMP:20260925T073451Z
UID:e7eb66ef1d0f6543edc26b716bd1751e88802463a25cda33f4b23540
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Itamar Procaccia\, Department of Chemical & Biological P
 hysics\, Weizmann Institute of Science\nAbstract:\nFriction between the co
 nstituents of granular matter is unavoidable. The immediate consequence is
  that frictional amorphous solids do not possess a Hamiltonian from which 
 the interactions forces are derivable. In this lecture I will discuss the 
 consequences\, foremost being the existence of novel instabilities that ca
 n lead to catastrophic failures and new physics. Consequences for long sta
 nding problems like remote triggering in geophysics and transition from st
 atic to dynamic friction will be drawn.\n \nBio:\nItamar Procaccia is an 
 Israeli physicist and chemist who has made contributions to areas in stati
 stical physics\, nonlinear dynamics\, and turbulence. Procaccia studied ch
 emistry at the Hebrew University in Jerusalem with and obtained a bachelor
 's degree in 1973 and obtained a doctorate in theoretical chemistry in 197
 6. From 1977 to 1979\, he was a postdoctoral fellow at the Massachusetts I
 nstitute of Technology. Since 1979 he has been at the Weizmann Institute\,
  where he became a professor in 1985.\n \nWith Peter Grassberger\, he int
 roduced the correlation dimension as a measure of fractal dimension in 198
 3 (often referred to as the Grassberger–Procaccia algorithm). He has hel
 d guest appointments at the City University of New York\, the Institut des
  Hautes Études Scientifiques\, Nordita\, the Isaac Newton Institute\, Roc
 kefeller University\, the École normale supérieure de Lyon\, and the Uni
 versity of Chicago\, among others. He is a fellow of the American Physical
  Society\, the Institute of Physics and a member of the Leopoldina and the
  Royal Danish Academy of Sciences. In 2009 he received the Israel Prize fo
 r physics. In 2017 he received the EPS Statistical and Nonlinear Physics P
 rize.
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418
STATUS:CONFIRMED
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