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SUMMARY:Geometric design\, multiscale modelling and simulation of woven fa
 bric membranes - Sumudu Herath\, PhD Candidate\, Engineering department
DTSTART:20180223T150000Z
DTEND:20180223T160000Z
UID:TALK101473@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:During past few decades\, fabric materials have gained increas
 ing popularity over other design materials due to their high strength to w
 eight ratio and the wider range of design possibilities offered by tailora
 ble material properties. In addition to traditional clothing manufacturing
 \, they find numerous important applications ranging from lightweight ball
 istic shields (e.g.\, body armour\, aircraft fuselage barriers) to high-st
 rength flexible systems (e.g.\, parachutes) etc. Due to the increasing dem
 and for fabric materials in diverse applications\, it is essential to have
  tools to accurately predict their macro and micromechanical behaviour. Am
 ong many techniques for assessing the anisotropic behaviour in materials w
 ith repetitive cell structure\, multiscale modelling has proved to be one 
 of the most accurate and cost-efficient numerical methods. Our multiscale 
 model is based on the assumption that on the macroscale the fabric behaves
  as a continuum membrane\, while on the microscale the properties of the m
 icrostructure are accounted by a constitutive law derived by modelling a p
 air of overlapping crimped yarns as a three-dimensional deformable finite 
 strain rod model.
LOCATION: Cambridge University Engineering Department\, LT6
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