计算子午圈半径M 计算卯酉圈半径N 计算玮圈半径r 计算经线弧长Sm 计算纬线弧长Sn 计算球面梯形面积 计算最大角度变形 计算球面极坐标-calculated Meridian circle radius circle conveniently calculated M N calculation Wei radius circle radius r calculated meridian arc Sm calculated latitude arc

曲线拟合函数 三个函数，SPLine 调用另外两个。用时候直接调用SPLine函数，入口pList是已知离散点链表，pDestList是生成的点的链表。SM是在两个点中间插入点的数目，continue=0是采样点无规律，要求生成闭合曲线。

结合格子玻尔兹曼和大涡模拟的经典算法，采用SM的大涡模型和D2Q9的LBM模型-Based on the classical algorithm of lattice Boltzmann and large eddy simulation, SM s large eddy model and D2Q9 LBM model are adopted