Geodesic
Choosing Hydrodynamic Fields
J. W. Dufty1 ; J. J. Brey2
1 Department of Physics, University of Florida, Gainesville, FL 32611, USA
2 Física Teórica, Universidad de Sevilla, Apartado de Correos 1065, E-41080 Sevilla, Spain
Mathematical modelling of natural phenomena, Tome 6 (2011) no. 4, pp. 19-36.

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Continuum mechanics (e.g., hydrodynamics, elasticity theory) is based on the assumption that a small set of fields provides a closed description on large space and time scales. Conditions governing the choice for these fields are discussed in the context of granular fluids and multi-component fluids. In the first case, the relevance of temperature or energy as a hydrodynamic field is justified. For mixtures, the use of a total temperature and single flow velocity is compared with the use of multiple species temperatures and velocities.
DOI : 10.1051/mmnp/20116402

J. W. Dufty 1 ; J. J. Brey 2

1 Department of Physics, University of Florida, Gainesville, FL 32611, USA
2 Física Teórica, Universidad de Sevilla, Apartado de Correos 1065, E-41080 Sevilla, Spain 
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J. W. Dufty; J. J. Brey. Choosing Hydrodynamic Fields. Mathematical modelling of natural phenomena, Tome 6 (2011) no. 4, pp. 19-36. doi : 10.1051/mmnp/20116402. http://geodesic.mathdoc.fr/articles/10.1051/mmnp/20116402/

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