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SUMMARY:MechE Colloquium: Design of composite materials and structures acr
 oss the scales: physical and data-driven models
DTSTART:20231205T120000
DTEND:20231205T130000
DTSTAMP:20260513T052619Z
UID:46613c9ee41df51f97e92c16246f4c42366147fd2d39139513d447ee
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof Pedro Camanho\, University of Porto\nAbstract: The ambit
 ious goal of reaching net-zero emissions in aviation by 2050 can only be m
 et by science-based disruptive innovations\, including those that have the
  potential to reduce aircraft structural weight. Based on the hypothesis t
 hat composite materials and structures are currently not used to their ful
 l potential\, a vision of a systems approach for the inverse design of com
 posite materials and structures across different spatial scales will be pr
 esented. The main building blocks of the proposed approach\, linking the m
 acrostructure of a composite structure to the microstructure of a composit
 e material\, will be discussed. At the micromechanical level\, these inclu
 de the generation of representative volume elements\, appropriate material
  models for the constituents\, reduced order models and associated surroga
 tes. A recently developed mesomechanical modelling approach that simulates
  the propagation of the different failure mechanisms observed in composite
  laminates under finite strains using a new homogenization-based smeared c
 rack formulation will be discussed. At the structural level\, building on 
 data generated analytically and on reduced representations of composite la
 y-ups\, four machine learning algorithms are used to predict the strength 
 of composite laminates with notches of several geometries and the correspo
 nding statistical distribution\, associated to material and geometrical va
 riability. It will be shown that the proposed approach may lead to signifi
 cant reductions of the time required to virtually certify composite aircra
 ft structures.\n\nBiography: Prof. Pedro Camanho (FRAeS) received his PhD
  in Composite Materials from the Department of Aeronautics\, Imperial Coll
 ege London\, UK\, in 1999. He is currently Full Professor at the Departmen
 t of Mechanical Engineering of the University of Porto. Pedro Camanho is t
 he President of the Associated Laboratory in Energy\, Transportation and A
 eronautics\, and member of the Editorial Board of multiple international j
 ournals. The main research interests of Pedro Camanho are the mechanics of
  deformation and fracture of advanced polymer composite materials\, and ne
 w concepts for lightweight composite materials and structures for aerospac
 e applications such as hybrid\, nano-structured\, multi-functional\, varia
 ble-stiffness\, morphing\, energy-storage and ultra-thin composites. Pedro
  Camanho was Visiting Scientist at NASA-Langley Research Center and at the
  U.S. Air Force Research Laboratory. He was Visiting Professor at Imperial
  College London\, École Normale Supérieure de Cachan\, Cambridge Univers
 ity and Brown University. Pedro Camanho is the recipient of the 2006 NASA 
 - H.J.E. Reid Award for Outstanding Scientific Paper. He also received the
  2020 Excellence in Research Award of the University of Porto\, and the Ca
 reer Award from the Portuguese Society of Fatigue and Structural Integrity
 . Pedro Camanho was elected in 2023 as member of the Lisbon Academy of Sci
 ences.\n 
LOCATION:MED 0 1418 https://plan.epfl.ch/?room==MED%200%201418 https://epf
 l.zoom.us/j/61626448592
STATUS:CONFIRMED
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