| 具有复杂计算域和地形的潮汐流动数值模拟 |
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| 引用本文： | 张宏伟,康海贵.具有复杂计算域和地形的潮汐流动数值模拟[J].水科学进展,2009,20(1):118-123. |
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| 作者姓名： | 张宏伟 康海贵 |
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| 作者单位： | 大连理工大学海岸和近海国家重点实验室, 辽宁, 大连, 116023 |
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| 基金项目： | 国家重点基础研究发展规划(973计划) |
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| 摘 要： | 采用无结构网格上的Roe型二阶精度迎风型FVM格式的有限体积方法对具有复杂计算域和地形的胜利油田海域的潮汐流动进行数值模拟。为保证Roe格式能够应用于复杂地形条件下的计算,采用Ropers格式来解决通量梯度项与源项的平衡问题,对摩擦力源项采用分步法求解以增加格式的稳定性。应用此方法对地形复杂的胜利油田海域进行了实际模拟,数值计算结果和实测结果吻合较好。
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| 关 键 词： | 浅水方程 Roe迎风型离散 有限体积法 复杂地形 潮汐流动 数值模拟 |
| 收稿时间： | 2008-01-04 |
Numerical modeling of 2D tidal flow with complicated geometry and topography |
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| ZHANG Hong-wei,KANG Hai-gui.Numerical modeling of 2D tidal flow with complicated geometry and topography[J].Advances in Water Science,2009,20(1):118-123. |
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| Authors: | ZHANG Hong-wei KANG Hai-gui |
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| Affiliation: | State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116023, China |
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| Abstract: | An unstructured numerical algorithm of Roe's second-order upwind is proposed to solve the 2D tidal in the sea field of the Shengli oilfield.In order to make the Roe format practiable in the calculation under complicated geography condition,the Ropers method is used to deal with the term of bed slope source in the equation,so that the flux can be balanced.The method of step by step is used to calculate the friction source terms and enhance the stability of calculation.The mathematical model is successfully used to the Shengli oilfield waters,and gets better results. |
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