VZJ -- Bachmann et al. 6 (3): 436 Figure IG7

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FIG. 7. Schematic representation of the contact angle (CA) model. Location of node is indicated by i and j, time by t, contact angle by ${kappa}$ ; ${alpha}$ is the water retention parameter of the van Genuchten equation, and ${theta}$ _WP indicates the water content at the permanent wilting point. REV = representative elementary volume.