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SUMMARY:ENAC Seminar Series by Dr Z. Li
DTSTART:20210204T170000
DTEND:20210204T174500
DTSTAMP:20260513T001936Z
UID:b07b608485969f697540df4cab3a9f05abac22cd5acb20de1c9db212
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Zhiye Li\n17:00 – 17:45 – Dr Zhiye Li\nPostdoctoral Fel
 low at Stanford University\, USA\n\nUsing Multiphysics and Multiscale Mode
 ling Methods to Explore the Cross-functional Application of Composites in 
 Sustainable and Resilient Civil Infrastructure\n\nThe adoption of fossil-b
 ased hydrocarbon polymer composites has been successful in both automotive
  and aircraft industries. However\, few extension has been achieved in civ
 il infrastructure and building construction industry. This gap is partly d
 ue to (i) the lack of multiphysics and multiscale models unifying degradat
 ion‐deformation damage phenomena to assess the safety and durability of 
 newly adopted or proposed material and structural systems\, and (ii) no av
 ailable computational models that are succinctly fundamental and directly 
 interactable with other digital files from architecture designer or manufa
 cturer. To begin addressing this gap\, this study presents a multi-physics
  and multiphysics model that uses the UV and moisture deterioration variab
 les homogenized from a micromechanics model to integrate a nonlocal contin
 uum damage model (CDM) into a curvilinear coordinate system. The macro-lev
 el model links the application of analysis to the architecture or manufact
 uring digital model by enabling more accurate predictions of mechanical pe
 rformance. An example of the model is presented for analysis of a group of
  glass fiber‐reinforced polymer (GFRP) composite plates in SFMOMA Façad
 e System\, the first and largest architectural application of fiber reinfo
 rced polymer (FRP) in the United States. The benefits of utilizing the GFR
 P in buildings and civil infrastructures include higher material usage eff
 iciency\, more economical construction and life-cycle costs. This model al
 so offers the potential for structural engineers and architects to create 
 novel solutions in sustainable design and construction.\n\n\nShort bio:\nZ
 hiye Li received her Ph.D. in Civil Engineering in December 2018 at Johns 
 Hopkins University under Professor Somnath Ghosh. Her research interests l
 ie in computational mechanics\, fracture mechanics\, and the integration o
 f sustainability indicators into engineering design. She has a particular 
 interest in the application of multiscale modeling to multiphysics problem
 s. She is currently a Postdoc Fellow in the research group of Michael Lepe
 ch at Stanford University and working on computational modeling and experi
 mental study of the synergistic effects of deterioration-damage on glass f
 iber reinforced polymer matrix composites (FRPs). She is also studying the
  effects of the desiccation process on the mechanical performance of 3D pr
 inting space habitat using Biopolymer-bound Soil Composites.
LOCATION:Zoom https://epfl.zoom.us/j/84168792832
STATUS:CONFIRMED
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