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BEGIN:VEVENT

CATEGORIES:Lectures/Conferences
CATEGORIES:Other
CATEGORIES:Utilities
CATEGORIES:Lecture/Talk
CATEGORIES:Panel/Seminar/Colloquium
CATEGORIES:Conference/Symposium
CATEGORIES:Meeting
CATEGORIES:Main
CONTACT;X-BEDEWORK-UID=8a0290b4-860465b2-0186-32feb568-0000477d:Spaulding\
 , Amy
CREATED:20240104T220520Z
DESCRIPTION:Thomas Lord Department of Mechanical Engineering welcomes Dr. 
 Julian Rimoli\, Professor of Mechanical and Aerospace Engineering at Univ
 ersity of California -- Irvine. \nDr. Rimoli will give the lecture\, "Dis
 continuous Compression Systems: "Discontinuous Compression Structures: Fr
 om Tensegrity Planetary Landers to Lightweight Metamaterials."\n\nABSTRAC
 T: The term tensegrity\, derived from tensional integrity\, refers to a c
 ertain class of structural systems composed of bars and strings. Through 
 adequate pre-stressing of their string members\, tensegrity structures ge
 nerally become mechanically stable. Traditional approaches for modeling t
 heir behavior assume that (i) bars are perfectly rigid\, (ii) cables are 
 linear elastic\, and (iii) bars experience pure compression and strings p
 ure tension. In addition\, a common design constraint is to assume that t
 he structure would fail whenever any of its bars reaches the correspondin
 g Euler buckling load. In reality\, these assumptions tend to break down 
 in the presence of dynamic events. In the first part of this talk\, we wi
 ll introduce a physics-based reduced-order model to study aspects related
  to the dynamic and nonlinear response of tensegrity-based planetary land
 ers. We will then adopt our model to show how\, under dynamic events\, bu
 ckling of individual members of a tensegrity structure does not necessari
 ly imply structural failure\, thus significantly expanding the design spa
 ce for such vehicles. In the second part of this talk\, we will show how 
 lessons learned from our study of tensegrity planetary landers can be tra
 nslated into to the development novel metamaterials. We will introduce th
 e first known class-two 3D tensegrity metamaterial\, and show that this n
 ew topology exhibits unprecedented static and dynamic mechanical properti
 es.\n\nBIO: Julián J. Rimoli is Department Chair and Henry Samueli Facult
 y Excellence Professor of Mechanical and Aerospace Engineering at the Uni
 v. of California\, Irvine. He received his M.Sc. and Ph.D. in Aeronautics
  from Caltech in 2005 and 2009 respectively\, and an Engineering Diploma 
 in Aeronautics from Universidad Nacional de La Plata\, Argentina (2001). 
 Upon graduation Dr. Rimoli accepted a postdoc associate position at the D
 ept. of Aeronautics and Astronautics of MIT. He joined Georgia Tech in 20
 11\, where until 2022 he was the Pratt & Whitney Professor of Aerospace E
 ngineering. His research interests lie within the broad field of computat
 ional mechanics of materials and structures.
DURATION:PT1H
DTSTAMP:20240105T201354Z
DTSTART;TZID=America/New_York:20240424T120000
LAST-MODIFIED:20240105T201354Z
LOCATION;X-BEDEWORK-UID=18832e99-20476e5b-0120-58864347-000000be:Fitzpatri
 ck Center Schiciano Auditorium Side A\, room 1464
STATUS:CONFIRMED
SUMMARY:MEMS SEMINAR: Julian Rimoli\, "Discontinuous Compression Structure
 s: From Tensegrity Planetary Landers to Lightweight Metamaterials"
UID:CAL-8a018ccf-8b87f80e-018c-d6826c76-000014b0demobedework@mysite.edu
X-BEDEWORK-ALIAS;X-BEDEWORK-PARAM-DISPLAYNAME=Main:/user/public-user/Utili
 ties/Main
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 ublic-user/Lectures_Conferences/Conference_Symposium
X-BEDEWORK-ALIAS;X-BEDEWORK-PARAM-DISPLAYNAME=Lecture_Talk:/user/public-us
 er/Lectures_Conferences/Lecture_Talk
X-BEDEWORK-ALIAS;X-BEDEWORK-PARAM-DISPLAYNAME=Panel_Seminar_Colloquium:/us
 er/public-user/Lectures_Conferences/Panel_Seminar_Colloquium
X-BEDEWORK-ALIAS;X-BEDEWORK-PARAM-DISPLAYNAME=Meeting:/user/public-user/Ot
 her/Meeting
X-BEDEWORK-CS;X-BEDEWORK-PARAM-DESCRIPTION="/principals/users/agrp_PrattSc
 hool,":Pratt School of Engineering
X-BEDEWORK-SPEAKER:Julian Rimoli
X-BEDEWORK-SUBMITTEDBY:acs2 for Mechanical Engineering and Materials Scien
 ce (MEMS) (agrp_PrattSchool_MEMS)
X-BEDEWORK-DUKE-SERIES:MEMS Seminar Spring 2024 Speaker Series
END:VEVENT
END:VCALENDAR