Da

Da = 1

Da = 0.1

Da = 0.01

$\begin{array}{l}\eta =1/3\\ \xi =2/3\end{array}$

$\overline{u}$

0.08744141

0.06403606

0.02670879

$\begin{array}{l}\eta =1/4\\ \xi =3/4\end{array}$

$\overline{u}$

0.09902008

0.06954515

0.02749235

$\begin{array}{l}\eta =0.49\\ \xi =0.51\end{array}$

$\overline{u}$

0.07945951

0.05759342

0.0238459