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RT,我在做管流的模拟,现在想在一个横截面上做出雷诺剪切力(u'v' VS r/D)的曲线图象。现在用openfoam的sample功能提取了大量的速度-位置数据(100个时间步长, 每个时间步长在该横截面上有360个径向直线,在一共36000组,每组直线取了200个点的速度(u,v,w)的数据,所以现在在MATLAB上得到了一个200×36000的矩阵。现在想根据这个矩阵得到雷诺剪切力的图像,请问怎么操作呀?