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UID:0-573@lptms.universite-paris-saclay.fr
DTSTART:20180403T110000Z
DTEND:20180403T113000Z
DTSTAMP:20180327T185228Z
URL:https://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lpt
 ms-raffaela-cabriolu/
SUMMARY:Séminaire du LPTMS: Raffaela Cabriolu - LPTMS\, salle 201\, 2ème 
 étage\, Bât 100\, Campus d'Orsay - 3 Avr 18 11:00
DESCRIPTION:Creep response of a soft glass\nRaffaela Cabriolu (Department o
 f Chemistry\, Norwegian University of Science and Technology\, Trondheim\,
  Norway)\nIn this work we discuss finite size effects in the fluidization 
 process of dense amorphous mate-\nrials subjected to an external load. By 
 means of molecular dynamics simulations we study the\nmechanical response 
 of a densly packed 3D particle system to a sudden applied shear stress. In
 \norder to disentangle possible boundary effects from finite size effects\
 , we use an unusual setup by\nimplementing a geometry-constraint protocol 
 with periodic boundary conditions in all directions.\nWe show that this pr
 otocol is well controlled and that the long time fluidization process is t
 o a\ngreat extend independent of the details of the protocol parameters. T
 his procedure allows for a\nrobust study of finite size effects regarding 
 the creep exponents and the fluidization process. The\nslow dynamics show 
 a power-law creep with exponents that do not depend on the system size\nwh
 ereas the fluidisation time shows strong finite size effects\, that we can
  rationalize within a finite\nsize scaling relation.\n\n&nbsp\;
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
GEO:48.698185;2.181768
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  Orsay\, 91405\, France;X-APPLE-RADIUS=100;X-TITLE=LPTMS\, salle 201\, 2è
 me étage\, Bât 100\, Campus d'Orsay:geo:48.698185,2.181768
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