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Guide:Dr. PIJUSH GHOSH
Title: "Finite Element Modeling of Stimuli-Responsive Folding in Polymeric Thin Films" Date/Time: 28-06-2019 2:00 pm Venue: "Newton Hall", Department of Applied Mechanics, (1st Floor, Aerospace Building), IIT Madras Speaker: Mr. RAGHU NANDAN PRATOORI, AM16S024
Abstract:
There are stimuli-responsive materials in nature. Taking that as an inspiration, many researchers in the recent times have developed materials that respond to different stimuli. Chitosan and Polyvinylalcohol are two such materials that respond to a solvent trigger giving a shape change as a result of a coupled diffusion-deformation mechanism. To be able to design these materials in various applications such as soft grippers, cell encapsulation, it is necessary to predict the final shape taken by these materials. With this goal, a finite element model is developed based on the Flory-Huggins theory. The developed model is validated with the experimental observations. The curvature at mid-point along length and the intermediate shapes are identified as critical parameters for design and the finite element model is able to predict them accurate ly.
A. Venkatachalam
Applied Mechanics, IIT Madras _______________________________________________
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Tuesday, June 25, 2019
Re: [Seminars] [MS Seminar]"Finite Element Modeling of Stimuli-Responsive Folding in Polymeric Thin Films"
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