الفهرس 
INTRODUCTION
Discussion and ResultsOnly 14 pages are availabe for public view
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Abstract
In the last decades, the MHD stability of fluids problems have received great attention for their crucial applications in various domains of science. Here we study the stability of different geometrical models analytically and numerically taking into account the effect of different external forces such as electromagnetic, surface tension, selfgravitational,… etc. br br In Chapter (I), we did write down about the concept of stability with a brief discussion of the techniques which may be used in stability problems analysis focusing on the normal mode method. Also we did write down the basic hydrodynamics and magnetohydrodynamics (MHD) equations which are essential for formulating all stability problems. Different boundary conditions at the fluid interfaces are explained. Finally, we review on some reported works in the hydrodynamics and magnetohydrodynarmics stability of jets and other models. Survey concerning some discussion about superposed fluids have been carried out.