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X-WR-CALNAME:Theory and Experiments on Multiphysics Coupling in Polymer Oxi
 dation
X-WR-TIMEZONE:Eastern Time (US & Canada)
BEGIN:VEVENT
DTSTAMP:20260607T195344Z
UID:tag:localist.com\,2008:EventInstance_31256189631960
DTSTART:20191104T210000Z
DTEND:20191104T220000Z
DESCRIPTION:Materials Science and Engineering Seminar\n\nDr. Trisha Sain\n\
 nMechanical Engineering – Engineering Mechanics\nMichigan Technological 
 University\n\nAbstract: High temperature oxidation in polymers is a strong
 ly coupled\, highly nonlinear and complex process which limits the use of 
 polymeric materials in several aerospace and defense application as it cau
 ses significant performance degradation. The coupled diffusion-reaction pr
 ocess that occurs during thermo-oxidation together with the macromolecular
  network behavior and finite viscoelasticity of a polymer require a time\,
  temperature and oxidation dependent constitutive law to predict the mecha
 nical response of the material. The objective of the present research is t
 o develop an experimentally informed thermodynamically-consistent continuu
 m level theory and implement in finite elements\, to describe the coupled 
 thermo-chemo-mechanical process that occurs predominantly at high temperat
 ure due to oxidation in polymers. In this talk\, I will present the theory
  of a thermodynamically consistent multiphysics framework for polymer oxid
 ation incorporating the coupling between the reaction kinetics and the gen
 eral state of stress. The numerical performance of the model and compariso
 n with several stress-coupled oxidation experiments will also be highlight
 ed to validate the predictive capability.\n\nBio: Trisha Sain is an Assist
 ant Professor in the Department of Mechanical Engineering-Engineering Mech
 anics at Michigan Technological University. Her research interests in the 
 area of computational solid mechanics include\, multiphysics modeling of p
 olymers\, materials under extreme environment\, fracture and failure of ma
 terials\, architectured materials design for improved functionalities\, co
 mposite materials. Prior joining as a faculty\, she was a post-doc at Univ
 ersity of Michigan\, Ann Arbor. She earned her PhD from Indian Institute o
 f Science with a specialization in computational solid mechanics.
GEO:47.119053;-88.545006
LOCATION:Minerals and Materials Engineering Building (M&M)\, 610
SUMMARY:Theory and Experiments on Multiphysics Coupling in Polymer Oxidatio
 n
URL;VALUE=URI:https://events.mtu.edu/event/theory_and_experiments_on_multip
 hysics_coupling_in_polymer_oxidation
CATEGORIES:Academics
CATEGORIES:Lectures/Seminars
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