BASIS FOR INTERACTING BwNDARY LAYER THEORY olve viscaus flow eguahoms via asymp tobi senes 尸r4 meyer e 1e)=(9)+E()+∈4(小 ()+E()+e2k1()+ P()=A()P()+eP yp+Ey Since e multipl; es highest-order derivative vi. this is a Singular perturbation variables near w Uy)=(ky)+Eu(xy)+…x e x u=ay2+o(e ()()+∈W() U=u y overn nd metchi n4 cend, oms at s iona EV +影 3一A =-5+ zeroth.0rd Wo U: 0o 矿 4·H=O ,分 3+B U= Ord e 六A=∈V +影 de 说十v+治