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Numerical simulations of impacts involving porous bodies: I. Implementing sub-resolution porosity in a 3D SPH Hydrocode
M. Jutzi, W. Benz, P. Michel
In this paper, we extend our Smooth Particle Hydrodynamics (SPH) impact code to include the effect of porosity at a sub-resolution scale by adapting the so-called model.…
Sungrazing comets: Properties of nuclei and in-situ detectability of cometary ions at 1 AU
M. Iseli, M. Kueppers, W. Benz +1
A one dimensional sublimation model for cometary nuclei is used to derive size limits for the nuclei of sungrazing comets, and to estimate oxygen ion fluxes at 1 AU from their evap…
A new Monte Carlo code for star cluster simulations: I. Relaxation
Marc Freitag, Willy Benz
We have developed a new simulation code aimed at studying the stellar dynamics of a galactic central star cluster surrounding a massive black hole. In order to include all the rele…
Multiple Outflow Episodes from Protostars:3-D Models of Intermittent Jets
E. M. de Gouveia Dal Pino, W. Benz
Short abstract: We present fully 3-D simulations of supersonic, radiatively cooling intermittent jets with intermediate and long variability periods (that is, periods of the order…
Momentum Transfer by Astrophysical Jets
L. Chernin, C. Masson, E. M. Gouveia Dal Pino +1
We have used 3-D smoothed particle hydrodynamical simulations to study the basic properties of the outflow that is created by a protostellar jet in a dense molecular cloud. The dyn…