(A) Illustration of PUA-DEM partitioning fluid-solid domains for modeling a triphasic system. Distribution of air-water interfaces and capillary forces juxtaposed on DEM particle. (B) Capillary regime. (C) Funicular regime. (D) Fluid-fluid interface insta (IMAGE)

Hong Kong University of Science and Technology

(A) Illustration of PUA-DEM partitioning fluid-solid domains for modeling a triphasic system. Distribution of air-water interfaces and capillary forces juxtaposed on DEM particle. (B) Capillary regime. (C) Funicular regime. (D) Fluid-fluid interface insta

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(A) Illustration of PUA-DEM partitioning fluid-solid domains for modeling a triphasic system. Distribution of air-water interfaces and capillary forces juxtaposed on DEM particle. (B) Capillary regime. (C) Funicular regime. (D) Fluid-fluid interface instability, capillary fingering (left) and viscous fingering (right). (E) Force chain evolution in granular medium embedded with swellable material, low confinement (left) and high confinement (right).

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