\begin{table}%t2
\caption{\label{tab:res-bc}Results obtained using the different inner
 boundary conditions and density floor.}
\small%\centering
\par
\begin{tabular}{llll}
\hline\hline
Boundary condition   &  $e_{\rm d}$   &  $r_{\rm d}$   &  $\dot\varpi_{\rm d} [1/P_{\rm orb}]$    \\
\hline
Reflecting           &   0.50   &  0.640   &  --0.064  \\
Viscous outflow      &   0.56   &  0.651   &  --0.060  \\     
Damping              &   0.31   &  0.598   &  --0.046  \\
Free Outflow         &   0.33   &  0.597   &  +0.0037  \\
Reflecting, high floor  &   0.52   &  0.620   &  --0.022  \\   
\hline
\end{tabular}   
 \end{table}