2.14. Input Data & Setup

The input parameters for this validation case setup are presented in Table 2.7: Validation case input parameters.

Table 2.7: Validation case input parameters.

ParameterValueUnit

Physical Model:

Gravity (Z)-9.81
Wall Geometry (Lethabo_10mm_mesh):
Diameter4267
Triangle Size15
Material Density7850
Young's Modulus1e+11
Poisson's ratio0.3-
Shear Work Proportionality (Achard's Law)5e-07
Motion Frames (Mill Rotation):
Motion Time0 - 1000
Initial Angular Velocity-15.7

Particle Properties (Ball):

Diameter50mm
Material Density7850
Young's Modulus1e+08
Poisson's ratio0.3-

Materials Interactions (Ball Material X Mill Material):

Static Friction0.2-
Dynamic Friction0.2-
Tangential Stiffness Ratio1-
Contact Stiffness Multiplier1-
Restitution Coefficient0.4-

Materials Interactions (Ball Material X Ball Material):

Static Friction0.2-
Dynamic Friction0.2-
Tangential Stiffness Ratio1-
Contact Stiffness Multiplier1-
Restitution Coefficient0.5-

Solver Parameters:

Simulation Duration110
Time Interval0.5
Wear / Start7.6
Geometry Update Interval0.005