2d sediment laden flow model 二维挟沙水流数学模型
plane 2D flow-sand mathematical model 平面二维水流泥沙模型
2D depth-averaged numerical flow model 二维水深平均水流数学模型
Thirdly, a 3D computation model of the mid-span section deck was established, the similarity and difference between 2D and 3D numerical simulation of flow field are compared also.
建立跨中截面三维计算模型，比较三维与二维流场数值模拟的异同。
Based on the model of synthetic jet actuators, the flow field of synthetic jet is simulated by 2d and 3d numerical methods.
本文的主要工作之一是基于建立的激励器简化模型对合成射流流场进行二维、三维数值分析以探讨合成射流流动机理。
A 3d simulation model, which can generate more complementary and more (accurate) flow information, will predict the filling process more accurately than a 2d model.
三维流动模型比二维模型能更准确地模拟出熔体充模流动的情况。
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