The Launder &Ying algebraic Reynolds stress turbulent model with hybrid finite analytical method is applied to simulate the secondary current in the compound channel.

• 摘要采用L-Y雷诺应力模型，对水面和固壁边界条件进行有效的处理，结合混合有限分析法数值模拟了复式断面明渠二次流流动。