An Exact Integration Scheme for Radiative Cooling in Hydrodynamical Simulations

Details An Exact Integration Scheme for Radiative Cooling in Hydrodynamical Simulations An Exact Integration Scheme for Radiative Cooling in Hydrodynamical Simulations

2009-01-20

arxiv.org/abs/0901.3146v2

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

7 pages, accepted by ApJS. Revision 2, with error in eqn. 13 fixed

Scientific paper

10.1088/0067-0049/181/2/391

A new scheme for incorporating radiative cooling in hydrodynamical codes is presented, centered around exact integration of the governing semi-discrete cooling equation. Using benchmark calculations based on the cooling downstream of a radiative shock, I demonstrate that the new scheme outperforms traditional explicit and implicit approaches in terms of accuracy, while remaining competitive in terms of execution speed.

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