绘画哨声波图，采用idl读取数据，按计算流体方法绘制而成-Figure painting whistler waves, using idl read the data, by methods of computational fluid drawn by

追赶法求解简单一维数值传热程序，该方法在计算流体力学中有很广泛的应用。-using chasing method to solve one dimensional numerical heat transfer process which is widely used in computational fluid dynamic。