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The moving mesh code SHADOWFAX

机译:移动网格代码SHADOWFAX

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We introduce the moving mesh code SHADOWFAX, which can be used to evolve a mixture of gas, subject to the laws of hydrodynamics and gravity, and any collisionless fluid only subject to gravity, such as cold dark matter or stars. The code is written in C++ and its source code is made available to the scientific community under the GNU Affero General Public Licence. We outline the algorithm and the design of our implementation, and demonstrate its validity through the results of a set of basic test problems, which are also part of the public version. We also compare SHADOWFAX with a number of other publicly available codes using different hydrodynamical integration schemes, illustrating the advantages and disadvantages of the moving mesh technique. (C) 2016 Elsevier B.V. All rights reserved.
机译:我们介绍了移动网格代码SHADOWFAX,该代码可用于根据气体动力学和重力定律以及仅受重力作用的任何无碰撞流体(例如冷暗物质或恒星)释放气体混合物。该代码用C ++编写,其源代码在GNU Affero通用公共许可证下提供给科学界。我们概述了算法和实现的设计,并通过一系列基本测试问题的结果证明了其有效性,这些问题也是公开版本的一部分。我们还将SHADOWFAX与使用不同流体力学集成方案的许多其他公共可用代码进行比较,从而说明了移动网格技术的优缺点。 (C)2016 Elsevier B.V.保留所有权利。

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