Figure 2

Comparison of SPH solutions to the analytical solution for the Smoluchowski equation subject to the Dirichlet BC on both r=R 1 and r=R 2 at steady-state with the relative L 2 errors for different resolutions. Specifically, L 2=0.0666 for Δ x=8Å(green square), L 2=0.0321 for Δ x=4Å(blue circle), and L 2=0.0153 for Δ x=2Å(red triangle).