Particle module of Piernik MHD code

Details Particle module of Piernik MHD code Particle module of Piernik MHD code

2010-08-30

arxiv.org/abs/1008.5052v1

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

4 pages, submitted to the Proceedings of the 17'th Young Scientists' Conference on Astronomy and Space Physics (April 26 - May

Scientific paper

Piernik is a multi-fluid grid magnetohydrodynamic (MHD) code based on the Relaxing Total Variation Diminishing (RTVD) conservative scheme. The original code has been extended by addition of dust described within the particle approximation. The dust is now described as a system of interacting particles. The particles can interact with gas, which is described as a fluid. The comparison between the test problem results and the results coming from fluid simulations made with Piernik code shows the most important differences between fluid and particle approximations used to describe dynamical evolution of dust under astrophysical conditions.

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