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首页> 外文期刊>Boundary-layer Meteorology >Numerical Study of the Neutral Atmospheric Boundary Layer Over ComplexTI Numerical Study of the Neutral Atmospheric Boundary Layer Over Complex Terrain
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Numerical Study of the Neutral Atmospheric Boundary Layer Over ComplexTI Numerical Study of the Neutral Atmospheric Boundary Layer Over Complex Terrain

机译：复杂地形上的中性大气边界层的数值研究复杂地形上的中性大气边界层的数值研究

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摘要

We evaluate the Reynolds-averaged Navier-Stokes equations available as commercial computational fluid dynamics code for the simulation of a neutral atmospheric boundary layer and attempt to define a proper numerical simulation procedure. Four turbulence models, including two-equation and Reynolds stress models, were evaluated together with two near-wall models. Mesh and map digitization sensitivity tests were also performed. The simulations were compared to experimental field data from the Askervein Hill in Scotland. The results show that the simulations performed with ANSYS CFX 12.1 on a proper mesh and topological map with a Reynolds stress turbulence model provided the best wind-speed predictions when compared to the experimental results.
机译：我们评估可作为商业计算流体力学代码的雷诺平均Navier-Stokes方程，用于模拟中性大气边界层，并尝试定义适当的数值模拟程序。评估了四个湍流模型，包括两个方程和雷诺应力模型，以及两个近壁模型。还进行了网格和地图数字化敏感性测试。将模拟与来自苏格兰Askervein Hill的实验现场数据进行了比较。结果表明，与实验结果相比，使用雷诺应力湍流模型在适当的网格和拓扑图上使用ANSYS CFX 12.1进行的仿真提供了最佳的风速预测。

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