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. 2011 Jan 18;8(61):1155–1165. doi: 10.1098/rsif.2010.0578

Figure 5.

Figure 5.

Comparison between analytical and numerical solutions of the non-dimensional phloem flow problem. (a) Numerically computed velocity v (circles) as a function of position Inline graphic for = 0, 1, 10, 100, Inline graphic = 0.3, Inline graphic = 1.3 and Inline graphic = 1.6. The analytical solutions for the velocity (solid lines) given in equations (A 11ac), (A 15a,b) and (A 18) are shown for comparison. (b) Numerically computed concentration Inline graphic (circles) as a function of position Inline graphic for the same parameters as in (a). The analytical solutions for the concentration (solid lines) were found using the solutions for v given in equations (A 11ac), (A 15a,b) and (A 18) and the conditions given in equations (A 6), (A 7) and (A 8a,b). Open circles, numerics; solid lines, analytics.