Unstable modes from galaxy simulations

Details Unstable modes from galaxy simulations Unstable modes from galaxy simulations

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.221..195s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 221, July 1, 1986, p. 195-212.

Astronomy and Astrophysics

Astronomy

71

Astronomical Models, Computerized Simulation, Eigenvalues, Frequencies, Spiral Galaxies, Stellar Motions, Astronomical Coordinates, Equilibrium Equations, Fourier Analysis, Galactic Rotation, Many Body Problem, Stellar Oscillations, Vibration Mode

Scientific paper

The authors describe the numerical techniques which enable them to estimate eigenfrequencies and rough eigenmodes from computer simulations of stellar discs. They show that the method works well, by comparing results from the N-body model with those available from linear theory in a particularly simple case. The authors give two further examples to illustrate the power and limitations of their methods.

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