Fluctuation-dissipation theorems for viscoelastic fluids: consistency of extended thermodynamic theories

Details Fluctuation-dissipation theorems for viscoelastic fluids: consistency of extended thermodynamic theories Fluctuation-dissipation theorems for viscoelastic fluids: consistency of extended thermodynamic theories

2003-06-21

arxiv.org/abs/physics/0306159v1

Physics

Fluid Dynamics

9 Pages

Scientific paper

Fluctuation-Dissipation Relations (FDR) for a Maxwell fluid are computed via the GENERIC formalism. This formalism is determined by four building blocks, two ``potentials'' (total energy and entropy) and two ``matrices'' which determine the dynamics, but the understanding of fluctuations in a given non-equilibrium system is reduced to determining a single friction matrix. The FDR exhibits interesting features, arising from the type of entropy used in the formalism. We show explicitly this dependence FDR-Entropy, also we show that GENERIC renders results consistent with irreversible linear thermodynamics (TIL) \emph{only} if it is used the corresponding entropy. An inconsistent result is provided by GENERIC when it is used a modified entropy .

Affiliated with

Also associated with

No associations

Rating

Fluctuation-dissipation theorems for viscoelastic fluids: consistency of extended thermodynamic theories does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Fluctuation-dissipation theorems for viscoelastic fluids: consistency of extended thermodynamic theories, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluctuation-dissipation theorems for viscoelastic fluids: consistency of extended thermodynamic theories will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-374348