EAS Publications Series
Volume 21, 2006Stellar Fluid Dynamics and Numerical Simulations: From the Sun to Neutron Stars
|Page(s)||3 - 3|
|Published online||07 June 2006|
M. Rieutord and B. Dubrulle (eds)
EAS Publications Series, 21 (2006) 3
The foundations of fluid dynamics
Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées, UMR 5572,
CNRS et Université Paul Sabatier, 14 avenue E. Belin, 31400 Toulouse,
In this lecture I introduce the basic concepts needed to understand fluid motions at a macroscopic level. Hence, the idea of a continuous medium and its kinematical properties are presented. Then the physical laws governing the motion (mass, momentum and energy equation) are derived and discussed. The concept of rheological law is introduced and illustrated. I end this lecture with a discussion of the boundary conditions that are needed to complete the equations of motion.
© EAS, EDP Sciences, 2006
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