It is a simple potential function $\phi$ of the form


\begin{displaymath}\phi = r^{\alpha}\cos(\alpha\theta) \notag
\end{displaymath}  

where $r=\sqrt{(x-x_{0})^{2}+(y-y_{0})^{2}}$. For $\alpha > 1$, the corner flow is called interior corner flow and for $1/2 < \alpha \le 1$, it is called exterior corner flow. See lecture 10 for more details.



Timothy S Choe
2003-03-15