A hydrodynamic description of disk galaxies

DOI10.1063/1.866509zbMath0621.76047OpenAlexW1971499211MaRDI QIDQ3758440

J. F. Sygnet, Rene Pellat, M. Tagger

Publication date: 1987

Published in: The Physics of Fluids (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.866509

zbMATH Keywords

dissipationvariational principleLagrangian formulationhydrodynamic modelevolutionclosure relationenergy principlecollisionless Boltzmann equationdisk galaxieslinearized perturbationsanisotropic pressure tensornegative-energy wavesadiabatic lawsasymptotic WKB analysiscollisionless fluid equationsepicyclic motionhierarchy of fluid equationsspiral modesstellar gas

Mathematics Subject Classification ID

Rarefied gas flows, Boltzmann equation in fluid mechanics (76P05) Galactic and stellar dynamics (85A05) Stability and instability of geophysical and astrophysical flows (76E20) Variational principles of physics (49S05)

Cites Work

• On the Stability of Differentially Rotating Bodies
• Stellar Hydrodynamic Equations for a Thin Disk Galaxy
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