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Radial profiles of the force. Dotted line is ri = 3 Å; dashed line is ri = 6.5 Å; long-dash/short-dash line is ri = 12 Å. The profiles are taken at the midsection of the pore. The small oscillation is Gibbs phenomenon, an artifact of the numerical solution which arises due to the discontinuity of ∂Ψ/∂n at the pore-membrane boundary.
