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SUMMARY:MechE Colloquium: Buffering by buckling: New wrinkles on Gauss’ 
 Pizza Theorem
DTSTART:20191210T121500
DTEND:20191210T131500
DTSTAMP:20260510T082008Z
UID:62e3b8b36132cc2e2edf1213e6a20b809b3a826c2ce77689ad3658c0
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Dominic Vella\, Mathematical Institute\, University of O
 xford\nAbstract:\nThe deformations of thin elastic objects are familiar fr
 om everyday life\, from a piece of paper or clothes crumpling\, to vibrati
 ons of bridges and other structures. A guiding principle of such deformati
 ons is that the material chooses to bend\, rather than change its length\,
  whenever possible. I will describe some of the consequences of this desir
 e to avoid stretching and Gauss’ Remarkable Theorem\, which include ever
 yday examples like the geometrical rigidification of pizza slices by curvi
 ng the crust. However\, I will show that these consequences can be subvert
 ed by buckling instabilities such as wrinkling. Finally\, I will talk abou
 t how fast these deformations happen.\n\nBio:\nDominic Vella is a Professo
 r of Applied Mathematics at the Mathematical Institute in the University o
 f Oxford\, as well as a tutorial fellow at Lincoln College. Within the Mat
 hematical Institute\, he is affiliated to both OCCAM and OCIAM. In earlier
  lives\, he studied at Trinity College\, Cambridge and did post-docs in Pa
 ris (supported by the Royal Commission for the Exhibition of 1851) and in 
 Cambridge. His research is concerned with various aspects of solid and flu
 id mechanics in general but with particular focus on the wrinkling of thin
  elastic objects and surface tension effects.
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418
STATUS:CONFIRMED
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