Setting Up the Physics Models
Physics models define the primary variables of the simulation, including pressure, temperature, velocity, and what mathematical formulation is used to generate the solution.
The main phenomenon to solve for is the interaction of a granular Eulerian phase with a fluid Eulerian phase.
To select the physics models:
-
For the physics continuum,
, select the following models in order:
Group Box
Model
Enabled Models
Two Dimensional (Pre-selected)
Time
Implicit Unsteady
Material
Multiphase
Multiphase Interaction (Selected automatically)
Multiphase Model
Eulerian Multiphase (EMP)
Gradients (Selected automatically)
Viscous Regime
Laminar
Optional Models
Gravity
Granular Pressure
Granular Temperature (Selected automatically)
Granular Temperature Transport (Selected automatically)
- Click Close.
-
To review the models, open the
node.
You now set the appropriate properties.
- Select Frictional Stress Formulation to Schaeffer. and set
- Select the Angle of Internal Friction to 25.0. node and set the
Use second-order velocity convection.
- Select the Volume Fraction Convection property to 2nd-order. node and set the
- Make sure that the Velocity Convection is 2nd-order.
- Save the simulation.