The paper will be based on a 2D tide current numerical model to analyze the change of tide current field and the influence of sand silt before and after engineering.
本文从计算潮流入手，建立一个潮流数学模型来计算潮流场，分析工程建设前后潮流场的变化，并分析了工程前后泥沙回淤情况。
Reasonable designs of the structure parameters of PB layer and the gate-cathode geometry are obtained by numerical iteration and an equivalent current model.
文中采用数值迭代法和建立等效电流模型，对P_B层结构参数和门极-阴极几何图形尺寸进行了合理设计。
In this paper, a numerical model of wave set? Up and nearshore current generated by directional random wave on complicated mild slop is presented and is tested on the supposed topography.
本文建立了一套计算近岸复杂地形上由二维随机波浪引起的的波浪增水与近岸流的数值模式，并在模拟地形上实施了计算实验。
The design model is proved to be steady by the training testing and prediction appraising, and the speed and precision of which are better than the current experiential methods and numerical methods.
通过设计模型训练检验和预测评估，说明设计模型是稳定的，其速度和精度都高于现有的经验方法和数值方法。
A three-dimensional numerical analysis model of fluid flow and heat transfer in pulsed current TIG weld pool is developed.
对运动电弧作用下脉冲tIG焊接熔池流场与热场动态变化过程建立了三维数学模型。
Then, the improved ADCIRC model is coupled with the SWAN model to establish a wave-current coupled numerical model that considering all wave-tide-surge interactions.
并在此基础上，将之与SWAN风浪模型进行耦合，建立了一个全面考虑波浪与潮汐风暴潮相互作用的波流耦合模型。
With the numerical sea current and wave model, the sea current and wave in the South China sea under the actions of the tropical cyclone high wind speed were numerically simulated.
采用海流和海浪数值模式，对热带气旋高风速作用下南海的海流和海浪进行了数值仿真。
Based on the study of ideal estuary, this article has studied the tidal limit and tidal current limit of Yangtze estuary by using the 2-d numerical model.
第二部分在理想河口研究的基础上，对长江下游感潮河段进行了水动力数值模拟。
Based on the study of ideal estuary, this article has studied the tidal limit and tidal current limit of Yangtze estuary by using the 2-d numerical model.
第二部分在理想河口研究的基础上，对长江下游感潮河段进行了水动力数值模拟。
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