Physics
Scientific paper
Feb 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phrve..53.1917b&link_type=abstract
Physical Review E (Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics), Volume 53, Issue 2, February 199
Physics
12
Self-Gravitating Systems, Continuous Media And Classical Fields In Curved Spacetime, Mechanical And Elastic Waves, Vibrations
Scientific paper
The coupled equations of elastodynamics and Newtonian gravity are introduced to model large-scale fluctuations of very robust stellar matter possessing properties of Hookean elastic solid. Theory of non-radial pulsations of highly idealized star model is developed. Theoretical treatment of spheroidal and torsional non-radial gravitaion-elastic pulsations of a self-gravitating mass of elastic matter is presented in juxtaposition with Kelvin theory for heavy mass of inviscid liquid. Analytic form of frequency of spheroidal (s-mode) and torsional (t-mode) non-radial pulsations of the elastic star model is established.
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