Modified Levy-Mangle and Dorodnitsyn-Howarth transformations are introduced tosolve the flow in the thin laminar boundary layer with no external pressure gradient on the smoothflat plate.

• 对于没有外部压力梯度的光滑平板,引进修正的Levy-Mangle变换和Dorodnitsyn-Howarth变换来求解薄层流边界层内的流动。