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Article
The stability of non-uniform self gravitating system in the presence of non-uniform CRs pressure
In this paper, we try to study the equilibrium structure and stability of a non-uniform self gravitating gaseous slab in vertical direction and in the presence of Cosmic Rays (CRs). Two models have been presen...
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Article
Artificial viscosity in simulation of shock waves by smoothed particle hydrodynamics
This paper reconsiders artificial viscosity in smoothed particle hydrodynamics in order to prevent interparticle penetration, unwanted heating, and unphysical solutions. The coefficients in the Monaghan’s sta...