Campuses:

Polymers

Thursday, May 21, 2009 - 3:15pm - 3:55pm
Ryoichi Yamamoto (Kyoto University)

The behavior of supercooled polymer melt composed of short
chains with ten beads between rapidly oscillating plates is
simulated by using a hybrid simulation of molecular dynamics
and computational fluid dynamics.
The flow profiles of polymer melt near an oscillating plate are
quite different from those of Newtonian fluid.
The viscous boundary layer of the melt is much thinner than
that of the Newtonian fluid due to the shear thinning of the
melt.
Three different rheological regimes, i.e., the viscous fluid,

Saturday, May 16, 2009 - 2:00pm - 2:45pm
Berend Smit (University of California, Berkeley)
No Abstract
Friday, October 25, 2013 - 1:25pm - 2:25pm
Jack Douglas (National Institute of Standards and Technology)
Many boundary value problems arising in materials science modeling involve
complicated boundary shapes and boundary data, making analytic solution based
on conventional differential equation methods difficult. In particular, it is
important to develop effective computational methods for calculating the
transport properties of polymers and complex-shaped particle aggregates arising
in materials science and biology. As a first step towards attacking this broad
class of problems, we focus on the problem of calculating basic solution
Wednesday, July 17, 2013 - 8:40am - 9:30am
Ronald Siegel (University of Minnesota, Twin Cities)
Hydrogels are crosslinked polymer networks that absorb substantial amounts of water. Cytoplasm and extracelleular matrix and connective tissues can be regarded as natural hydrogels. Synthetic hydrogels based on organic polymers have numerous applications, partly because they can mimic the mechanical, mass transport, and interfacial properties of biological tissues. Following a description of some of these applications, a brief survey will be provided of the ways hydrogels are synthesized and characterized, identifying important structural characteristics.
Friday, September 14, 2012 - 9:40am - 10:10am
Keith Promislow (Michigan State University)
We present a novel energy formulation for the microstructured networks that develop when functionalized polymers interact with solvent. Such materials
find widespread use in energy conversion and storage devices: PEM fuel cells, Dye-sensitized solar cells, Lithium-ion batteries. The formulation balances the favorable electrostatic interaction of tethered charges with solvent against entropic and elastic energy.

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