BF：边界拟合

“Boundary Fitted”在学术和科学研究中，尤其在数学相关领域，常被缩写为BF，以方便书写和使用。其中文翻译为“边界拟合”，通常用于描述在数值分析或物理建模中使计算网格与几何边界精确贴合的技术方法。

This paper describes the application of the finite difference method of boundary fitted coordinates in groundwater resources evaluation.
本文给出了边界拟合(BF)坐标系下的二维地下水流的基本方程。
In two-dimension plane model the boundary fitted coordinate transformation were adopted to fit in with irregular area shape.
平面二维模型采用了边界拟合(BF)坐标变换，适应不规则的区域形状；
In this paper the flow over a spillway is solved by using transformation of boundary fitted coordinate systems.
本文运用边界拟合(BF)坐标变换方法求解过堰溢流问题。
The Flow Equations in Boundary Fitted(BF) - Coordinate System
边界拟合(BF)坐标系中的流动方程
In this paper, boundary fitted coordinate system is used in the establishment of two-dimensional mathematical model of water flow, and based on the model the project example of erosion and deposition of sediment is calculated and a comparative authentication is also carried out.
本文在边界拟合(BF)坐标系下建立平面二维水流数学模型，并在模型基础上计算了泥沙冲淤工程实例并进行了对比验证。

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