A Density Independent Formulation of Smoothed Particle Hydrodynamics

ASTROPHYSICAL JOURNAL, no. 1 (2013)

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The standard formulation of the smoothed particle hydrodynamics (SPH) assumes that the local density distribution is differentiable. This assumption is used to derive the spatial derivatives of other quantities. However, this assumption breaks down at the contact discontinuity. At the contact discontinuity, the density of the low-density ...更多

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