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SUMMARY:MechE Colloquium: The shape of torn sheets: fracture\, geometry an
 d anisotropy
DTSTART:20180410T121500
DTEND:20180410T131500
DTSTAMP:20260506T061816Z
UID:12b6b3ba2bd769d68fbd09cf01120d844941c836c4c2bf33f7fabb19
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Benoît Roman\, PMMH\, ESPCI\nAbstract:\nOur everyday expe
 rience of tearing (fracture in thin sheets) can be frustrating (not-so-"ea
 sy opening" packages\, removing adhesive tape…). In fact tearing paths a
 re very reproducible and we will show that they obey simple laws\, with co
 nsequences in engineering at many scales\, including in many examples arou
 nd us.\n\nIn this seminar\, I will review several tearing problems\, wher
 e experimental fracture path are very robust. I will show how a simplistic
  (geometric) framework\, based on energy arguments\, provides very insight
 ful information. However\, a complete description should include additiona
 l effects\, and in particular anisotropy\, a consequence of the manufactur
 ing of thin sheets\; tearing a piece a paper brings us to deep questions 
 in fracture mechanics.\n\nBio:\nB. Roman is a senior CNRS scientist in Par
 is (PMMH\,ESPCI)\, working on then non-linear mechanics of slender bodies 
 (tearing\, crumpling\, wrinkling\, capillary folding\, morphing..). PhD in
  physics in Marseille\, Postdoc in Texas\, and in Chile\, joined CNRS in P
 aris at ESPCI and teached mechanics in Ecole Polytechnique (Paris).
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418
STATUS:CONFIRMED
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