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首页> 外文期刊>Advances in Meteorology >An MCV Nonhydrostatic Atmospheric Model with Height-Based Terrain following Coordinate: Tests of Waves over Steep Mountains
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An MCV Nonhydrostatic Atmospheric Model with Height-Based Terrain following Coordinate: Tests of Waves over Steep Mountains

机译：坐标之后的基于高度的地形的MCV非水静止大气模型：陡峭山脉的波浪

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摘要

A nonhydrostatic atmospheric model was tested with the mountain waves over various bell-shaped mountains. The model is recently proposed by using the MCV (multimoment constrained finite volume) schemes with the height-based terrain following coordinate representing the topography. As discussed in our previous work, themodel has some appealing features for atmospheric modeling and can be expected as a practical framework of the dynamic cores, which well balances the numerical accuracy and algorithmic complexity. The flows over the mountains of various half widths and heights were simulated with the model. The semianalytic solutions to the mountain waves through the linear theory are used to check the performance of the MCV model. It is revealed that the present model can accurately reproduce various mountain waves including those generated by the mountains with very steep inclination and is very promising for numerically simulating atmospheric flows over complex terrains.
机译：在各种钟形山脉上用山波测试了非水静态大气模型。 最近通过使用基于高度的地形之后代表地形的基于高度的地形提出了该模型。 如我们以前的工作所述，Themodel对大气建模具有一些吸引力的功能，并且可以预期为动态核心的实际框架，它符合数值准确性和算法复杂性。 用模型模拟各种半宽和高度的山脉的流量。 通过线性理论对山波的半角质解决方案用于检查MCV模型的性能。 据透露，本模型可以准确地再现各种山波，包括山脉产生的山波，具有非常陡峭的倾斜度，并且对于数值模拟大气流过于复杂的地形而言非常有希望。

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