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POLAR project: Numerical modeling of the accretion column

机译:POLAR项目:吸积柱的数值建模

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In this paper we study the formation and evolution of radiative accretion shocks in the context of accretion columns in magnetic cataclysmic variables. The phenomenon induces extreme regimes of matter and the radiation emitted by those region dominates the observed emission from polars. A 2D hydrodynamical code, HYDRO-COOL, has been developed in order to deal with high-Mach number flows and is currently improved to produce a numerical model of the accretion column. This code is the hydrodynamical part of the HADES code which aims at modeling radiative hydrodynamical systems. The final goal of this model is to improve our understanding of observational results. First numerical results are reported here, as well as a discussion about the time-dependent evolution of the column.
机译:在本文中,我们研究了磁催化变量中吸积柱的情况下辐射吸积激波的形成和演化。这种现象引起了极端的物质状态,并且那些区域发出的辐射主导了从极地观察到的辐射。为了处理高马赫数流,已开发了一种二维流体力学代码HYDRO-COOL,目前已对其进行了改进,以生成吸积塔的数值模型。该代码是HADES代码的流体动力部分,其目的是对辐射流体动力系统进行建模。该模型的最终目标是增进我们对观测结果的理解。在此报告了第一个数值结果,并讨论了随时间变化的色谱柱。

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