Speaker：Gao Chen(The Chinese University of Hong Kong)

Time：2022-10-15, 15:00

Location：Tencent Meeting ID：600-803-652（No Password）

Abstract:

We consider the zero-viscosity limit of the 2D steady Navier-Stokes equations in $(0,L)\times(0,\infty)$ with non-slip boundary conditions.  In this work, we obtain a new estimate of the stream-function away from boundary layers. By combining this estimate and some results in our previous work, we justify the validity of the Prandtl boundary layer expansion for any non-shear Euler flow, provided the width of the domain is small. This is joint work with Prof. Liqun Zhang.