On a general fluid dynamical theory of discrete unstable spiral modes in disk-shaped galaxies

DOI10.1080/03091928308209065zbMath0546.76065OpenAlexW2159478336WikidataQ114640603 ScholiaQ114640603MaRDI QIDQ3336914

Ronald F. Pannatoni

Publication date: 1983

Published in: Geophysical & Astrophysical Fluid Dynamics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03091928308209065

zbMATH Keywords

collocation methodeigenfunctionstwo-point boundary value problemspline functionsBoundary conditionsspiral galaxyeigenfrequencesintegro-differential equation for matter density perturbationlinearization of the Euler equationthin stellar disk

Mathematics Subject Classification ID

Galactic and stellar dynamics (85A05) Hydrodynamic and hydromagnetic problems in astronomy and astrophysics (85A30) Stability and instability of geophysical and astrophysical flows (76E20)

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