Figure 7
The container has a transparent wall and a flat circular base. A horizontal plane intersects the upper portion of the container. Another horizontal plane is positioned near the base. Numerous spheres occupy the full height of the cylinder. On the left side, a coordinate system is displayed. The Y axis points upward. The X axis points horizontally to the right. The Z axis points diagonally downward to the left.Sample preparation by radius expansion method in PFC3D