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SUMMARY:From Buckliphobia to Buckliphilia: Embracing the mechanical instab
 ilities of slender structures
DTSTART:20160122T133000
DTEND:20160122T143000
DTSTAMP:20260428T162313Z
UID:b86c034633a9c0289b5408358c298bcc5837ddd9ff3f8e00e9e917ec
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Pedro M. Reis\, Gilbert W. Winslow Associate Professor\,
  Department of Mechanical Engineering\, MIT\nAbstract: Slender structural 
 elements (e.g.\, rods\, plates and shells) under compression are ubiquitou
 sly subjected to mechanical instabilities. Across length-scales\, buckling
  has traditionally been regarded as a first route toward failure and is th
 erefore to be avoided\; an approach that we refer to as Buckliphobia. By c
 ontrast\, Buckliphilia is a more recent and burgeoning trend that envision
 s mechanical instabilities of slender structures as opportunities for scal
 able\, reversible\, and robust modes of functionality that are first to be
  predictively understood in order to then be harvested.\nIn this talk\, I 
 will present a series of representative experimental studies of both Buckl
 iphobia and Buckliphilia\, with a focus on problems involving thin elastic
  rods and shells:  i) lockup through buckling of coiled-tubing in the oil
 /gas operations\; ii) buckling of flagella as a mechanisms for reorientati
 on during bacterial locomotion\; iii) modulation of critical buckling load
 s of thin shells by strategically engineered imperfections\; and iv) perio
 dic buckling patterns of shell structures for switchable and tunable aerod
 ynamic drag reduction.\nThe main common feature underlying these various p
 roblems is the prominence of geometry\, and its interplay with mechanics\,
  in dictating complex mechanical behavior that is relevant and applicable 
 over a wide range of length scales. The fundamental challenge in these stu
 dies lies in rationalizing the geometric nonlinearities that arise in the 
 post-buckling regime. From an engineering perspective\, Buckliphilia offer
 s unprecedented opportunities for novel applications.Bio: Pedro Miguel Rei
 s is the Gilbert Winslow Associate Professor of Mechanical Engineering and
  Civil & Environmental Engineering at the Massachusetts Institute of Techn
 ology. His research group is dedicated to the fundamental understanding of
  the mechanics of slender structures and their intrinsic geometric nonline
 arities. Prof. Reis received a B.Sc. in Physics from the University of Man
 chester\, UK (1999)\, a Certificate of Advanced Studies in Mathematics (Pa
 rt III Maths) from St. John’s College and DAMTP\, University of Cambridg
 e (2000) and a Ph.D. in physics from the University of Manchester (2004). 
 He then moved as a Post-Doc at the City College of New York (2004-2005). B
 etween 2005 and 2007 he was a CNRS Post-Doc at the ESPCI in Paris. He join
 ed MIT in 2007 as an Instructor in Applied Mathematics in the Department o
 f Mathematics. In 2010 he moved to MIT’s School of Engineering\, with du
 al appointments in Mechanical Engineering and Civil & Environmental Engine
 ering\, first as an Assistant Professor and\, since the summer of 2014 as 
 Gilbert W. Winslow Associate Professor. More information on the activities
  of his research group can be found in the following link: http://web.mit.
 edu/preis/www/
LOCATION:ME D0 1418 http://plan.epfl.ch/?room=D01418
STATUS:CONFIRMED
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