Long-Term Existence for Perturbed Multiple Gas Balls and Their Asymptotic Behavior

Long-Term Existence for Perturbed Multiple Gas Balls and Their Asymptotic Behavior

We consider the movement of self-gravitating gas balls consisting of viscous barotropic fluids in the neighborhood of an equilibrium state. If this state fulfills a certain stability condition, we show that the solutions exist for all time. We allow perturbations that change the angular momentum.

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Veröffentlicht in:Journal of mathematical fluid mechanics 2025, Vol.27 (1)
1. Verfasser: Ströhmer, Gerhard
Format: Artikel
Sprache:eng
Schlagworte:
Angular momentum
Asymptotic properties
Classical and Continuum Physics
Fluid- and Aerodynamics
Gravitation
Mathematical Methods in Physics
Physics
Physics and Astronomy
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Zusammenfassung:We consider the movement of self-gravitating gas balls consisting of viscous barotropic fluids in the neighborhood of an equilibrium state. If this state fulfills a certain stability condition, we show that the solutions exist for all time. We allow perturbations that change the angular momentum.
ISSN:1422-6928
1422-6952
DOI:10.1007/s00021-024-00912-0