| If time-evolution equations are formulated in terms of thermodynamic building blocks, two possibilities arise to judge the consistency of models: By the properties of the building blocks (strong or structural consistency), or solely by the implied evolution equations (weak or dynamic consistency). We propose a straightforward procedure to check for strong consistency by means of the eigenvalues and eigenmodes of the linearized equations, which is related to establishing a fluctuation-dissipation theorem. By applying the general ideas to hydrodynamics, we clarify the role of the controversial diffusion terms in hydrodynamic equations.
for LaTeX users @article{HC\"Ottinger2007-99,
author = {H. C. \"Ottinger},
title = {Weakly and Strongly Consistent Formulations of Irreversible Processes},
journal = {Phys. Rev. Lett.},
volume = {99},
pages = {130602},
year = {2007}
}
\bibitem{HC\"Ottinger2007-99} H.C. \"Ottinger,
Weakly and Strongly Consistent Formulations of Irreversible Processes,
Phys. Rev. Lett. {\bf 99} (2007) 130602 (4 pages).HC\"Ottinger2007-99
H.C. \"Ottinger
Weakly and Strongly Consistent Formulations of Irreversible Processes
Phys. Rev. Lett.,99,2007,130602 (4 pages) |
mk@mat.ethz.ch
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