Non-Equilibrium Thermodynamics of Boundary Conditions

Lecturer: Prof. Dr. Hans Christian Öttinger, ETH Zurich, Institute of Polymers, Switzerland
Date: October 8, 2008 (Wednesday), 11:00
Location: Institute of Thermomechanics AS CR, v. v. i., Dolejškova 5, 182 00 Praha 8, lecture room A

Abstract: While the field equations for complex fluids are usually formulated such that they respect the principles of nonequilibrium thermodynamics, the choice of appropriate boundary conditions is often considered as a purely mathematical problem. We here emphasize that also the formulation of boundary conditions should be guided by thermodynamics. The GENERIC framework is generalized to systems consisting of coupled 3-d bulk and 2-d boundary variables. The ideas and concepts are illustrated for two examples:
(i) bulk and surface diffusion phenomena for a dilute suspension of Brownian particles, and
(ii) velocity slip of entangled polymer melts at solid walls.

More information: Prof. Ing. Tomáš Roubíček, DrSc., MFF UK / IT AS CR,

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