建立三维湍流模型，在水流控制方程中加入植被阻力项和植被密度项来考虑刚性植物对水动力特性和泥沙输运特性的影响。
This paper proposes a 3d turbulence model, introducing vegetation density and drag force to the control equations of water flow with vegetation.
依据湍动能理论，本文建立了结晶器内钢液的三维湍流模型，开发了计算程序，研究了不同水口状态下异形坯结晶器中钢水的流动特性。
Based on the onflow theory, a 3-d model of fluids steel was established, calculation program developed the flow character of mold fluid steel on different nozzle conditions in beam blank c.
从雷诺应力模型出发，通过求解雷诺平均N - S方程组获得三维湍流流场的数值解。
Based on the Reynolds Stress Model, the three-dimensional flow field was numerically simulated using the Reynolds averaged N-S system equations.
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