Abstract: Mathematical?model?is?built?for?smulating?rivers?condition?of?The?Phase?Ⅲ?Project?of?Chongqing?Cuntan?resch,it?bases?on?orthogonal?body-fitted?coordinate?and?two-dimension?shallow?water?equation.?Verification?calculation?is?performed?about?velocity?and?transverse?distrihutes?of?velocity.?Contrasted?with?the?observed?data,?the?result?shows?that?it?can?accurately?simulate?the?velocity?field?of?project?reach.

Key words: Chongqing Cuntan phase Ⅲ project , depth-averaged , finite element method , numerical model ;

摘要： 运用沿平均水深平面二维浅水方程,采用贴体正交曲线坐标,建立水流数学模型,模拟了重庆寸滩三期工程 河段水流条件并根据实测资料进行流速流向过程、流速分布的验证,计算结果表明,二维浅水方程能较好地模拟工 程河段河道水流流场。

关键词: 重庆寸滩三期, 水深平均, 有限元, 数值模型