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SUMMARY:From structure to properties (and back) in truss-based architected
  materials
DTSTART:20230119T161500
DTEND:20230119T171500
DTSTAMP:20260414T230715Z
UID:36a5c427a29e5d9f3ff492177cddc85bd588921ba0703990c48c4003
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dennis M. Kochmann (Department of Mechanical and Process Engin
 eering\, ETH Zurich)\nArchitected materials\, also known as mechanical met
 amaterials\, derive their macroscopic properties from a carefully engineer
 ed small-scale cellular architecture consisting of trusses\, plates\, or s
 hells. Being a playground for experimentalists and modelers alike\, such m
 ultiscale architectures make the interface between materials and structure
 s dissolve\, while offering a tremendous design space for enhanced materia
 l functionality. Here\, we focus on truss-based architectures and address 
 the link between microscale architecture and macroscopic properties. We hi
 ghlight homogenization approaches for the efficient prediction of the effe
 ctive mechanical behavior of periodic and spatially graded networks. We de
 monstrate where classical homogenization breaks down (e.g.\, when investig
 ating fracture) and quasicontinuum approaches gain importance. Finally\, 
 we also mention the inverse homogenization problem (how do we find structu
 res that have target properties?)\, which is addressed by topology optimiz
 ation or data-driven approaches. The goal is to provide an overview of sta
 te-of-the-art theoretical/computational approaches for the exploration of 
 periodic structural networks and their effective properties.
LOCATION:GA 3 21 https://plan.epfl.ch/?room==GA%203%2021
STATUS:CONFIRMED
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