| 反扩散格式在二维锋生数值模拟中的应用 |
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| 引用本文： | Yang Hongwei,Wang Bin,Ji Zhongzhen. 反扩散格式在二维锋生数值模拟中的应用[J]. 大气科学进展, 2002, 19(5): 863-869. DOI: 10.1007/s00376-002-0051-7 |
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| 作者姓名： | Yang Hongwei Wang Bin Ji Zhongzhen |
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| 作者单位： | Yang Hongwei Wang Bin and Ji ZhongzhenLASG,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029 |
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| 基金项目： | The project of the National Key Planning Development Project for Basic Re- scarch,中国科学院知识创新工程项目 |
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| 摘 要： | 把无粘流中能成功捕捉接触间断的反扩散差分格式,用在了准地转二维理想锋生的数值模拟中,并将计算结果与Cullen的计算结果和半地转方程的精确解进行了比较。用反扩散格式模拟的锋面较Cullen的结果更加显,而且更接近半地转方程的精确解。
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| 关 键 词： | 反扩散力法 锋生 准地转 半地转 |
| 收稿时间： | 2001-09-09 |
Application of the artificial compression method to the simulation of two-dimensional frontogenesis |
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| Yang Hongwei,Wang Bin,Ji Zhongzhen. Application of the artificial compression method to the simulation of two-dimensional frontogenesis[J]. Advances in Atmospheric Sciences, 2002, 19(5): 863-869. DOI: 10.1007/s00376-002-0051-7 |
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| Authors: | Yang Hongwei Wang Bin Ji Zhongzhen |
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| Affiliation: | LASG, In stitute ofAtmospheric Physics Chinese Academy of Sciences, Beijin g 100029;LASG, In stitute ofAtmospheric Physics Chinese Academy of Sciences, Beijin g 100029;LASG, In stitute ofAtmospheric Physics Chinese Academy of Sciences, Beijin g 100029 |
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| Abstract: | The artificial compression method (ACM) that is generally used to capture the contact discontinuity innonviscous flows is used here in the simulation of quasi-geostrophic ideal frontogenesis in two dimensions.A comparison is made among the result of the ACM, the simulation result of Cullen, and the exact solutionof the semi-geostrophic equations. The simulated front in this paper is more prominent than Cullen's and ismuch closer to the exact solution. |
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| Keywords: | artificial compression method frontogenesis quasi-geostrophic semi-geostrophic |
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