Rotational and Self-similar Solutions for the Compressible Euler Equations in R^3
arXiv:1409.6686 · doi:10.1016/j.cnsns.2014.06.027
Abstract
In this paper, we present rotational and self-similar solutions for the compressible Euler equations in R^3 using the separation method. These solutions partly complement Yuen's irrotational and elliptic solutions in R^3 [Commun. Nonlinear Sci. Numer. Simul. 17 (2012), 4524-4528] as well as rotational and radial solutions in R^2 [Commun. Nonlinear Sci. Numer. Simul. 19 (2014), 2172-2180]. A newly deduced Emden dynamical system is obtained. Some blowup phenomena and global existences of the responding solutions can be determined. The 3D rotational solutions provide concrete reference examples for vortices in computational fluid dynamics.
9 pages; Key Words: Compressible Euler Equations, Rotational Solutions, Self-similar Solutions, Symmetry Reduction, Vortices, 3-dimension, Navier-Stokes Equations
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