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SUMMARY:Ballistic and blast response of structural materials: lessons from
  architecting materials - Prof Vikram Deshpande\, CUED
DTSTART:20201118T140000Z
DTEND:20201118T160000Z
UID:TALK151732@talks.cam.ac.uk
CONTACT:Hilde Hambro
DESCRIPTION:The design of lightweight structures to mitigate against dynam
 ic loads such as explosive blasts and impacts of projectiles has received 
 widespread attention. The focus of research has been on designing new mate
 rials including alloys for enhancing the dynamic performance of protection
  structures. Most dynamic loading events involve complex phenomena such as
  fluid-structure interactions and dynamic instabilities. An understanding 
 of the mechanics of these phenomena provides insights into designs of new 
 material architectures and systems for dynamic applications. \nThe seminar
  shall elucidate\, via both laboratory-scale experiments and numerical cal
 culations\, some critical phenomena involved in blast and ballistic loadin
 g. These include Richtmyer-Meshkov instabilities in the high velocity impa
 ct of granular media against structures and instabilities in composites wi
 th extreme anisotropy that enhance ballistic protection capability. This u
 nderstanding will be used to discuss the design of architected materials a
 nd structures for enhanced dynamic performance.
LOCATION: https://harvard.zoom.us/j/271079684 
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