DEM-CFD Modeling of Proppant Pillar Deformation and Stability during the Fracturing Fluid Flowback

<div>(a) Model perspective view and (b) coupled DEM-CFD analysis for proppant pillar deformation and stability. The blue and yellow particles represent the rock matrix and proppant pillar, respectively, and the green meshes represent the CFD fluid grids.</div>

Geofluids

fig2

Figure 2

Figure 2: DEM-CFD Modeling of Proppant Pillar Deformation and Stability during the Fracturing Fluid Flowback 