Statistics – Computation
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.199..279o&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 199, no. 2, p. 279-288.
Statistics
Computation
Computational Fluid Dynamics, Incompressible Fluids, Magnetic Field Configurations, Porosity, Rotating Fluids, Taylor Instability, Perturbation Theory, Stabilization, Variational Principles, Viscous Fluids
Scientific paper
The effect of finite conductivity on the Rayleigh-Taylor instability of an incompressible, viscous rotating fluid through a porous medium has been studied in the presence of a 2D horizontal magnetic field. It has been shown that the solution is characterized by a variational principle. By making use of the existence of the variational principle, proper solutions have been obtained for a semiinfinite fluid in which density has a 1D (exponential) vertical stratification. The dispersion relation has been derived and solved numerically. It is found that finite resistivity and porosity have a destabilizing effect on the Rayleigh-Taylor instability while rotation has a stabilizing effect.
Bhatia Prem Kumar
Oza Shikha
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