| 基于非结构网格有限体积法的二维高精度物质输运模拟 |
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| 引用本文： | 王志力,陆永军,耿艳芬.基于非结构网格有限体积法的二维高精度物质输运模拟[J].水科学进展,2008,19(4):531-536. |
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| 作者姓名： | 王志力 陆永军 耿艳芬 |
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| 作者单位： | 1.南京水利科学研究院水文水资源与水利工程科学国家重点实验室, 江苏, 南京, 210029; |
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| 基金项目： | 国家重点实验室基金，江苏省南京市水利科学研究院基金，国家自然科学基金 |
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| 摘 要： | 在二维任意多边形无结构网格有限体积水流模型的基础上,通过无插值的通量重构和引入限制因子建立物质输运的高精度无数值震荡数学模型,并从理论上分析了模型的单调和稳定条件.通过旋转流中圆形分布的对流输运算例对模型进行检验,结果表明模型具有守恒、高精度无数值震荡等优点.最后将模型应用到瓯江河口的盐度输运模拟,计算的潮位、流速和盐度过程与原型吻合良好.
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| 关 键 词： | 非结构网格 有限体积法 高精度格式 物质输运 |
| 收稿时间： | 2007-03-30 |
High resolution two-dimensional numerical model of scalar transport based on unstructured grid finite volume method |
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| WANG Zhi-li,LU Yong-jun,GENG Yan-fen.High resolution two-dimensional numerical model of scalar transport based on unstructured grid finite volume method[J].Advances in Water Science,2008,19(4):531-536. |
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| Authors: | WANG Zhi-li LU Yong-jun GENG Yan-fen |
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| Institution: | 1.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing Hydraulic Research Institute, Nanjing 210029, China;2.Transportation College, Southeast University, Nanjing 210096, China |
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| Abstract: | By the non interposition flux reconstructed and limiter,one high-order transport model is constructed based on arbitrarily unstructured shallow flow model and finite volume method.The stability and non-oscillatory condition are analyzed,its scalar transported in the circle flow is simulation,which shows that this model is of high order and non oscillatory.At last,the model simulates the salt transport of the Oujiang estuary,and the results show shat the water levels,velocity and salt are agree ment with the measured ones. |
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