Training Guide > Simple Flow Tutorials > Mesh Comparison Tutorial > Hexahedral Mesh > Setting up the Models
Setting up the Models
Suitable models must be chosen for the simulation, as follows:
- Open the Continua node.
- Right-click on the Physics 1 node and then select item
- In the Physics Model Selection dialog, select the Stationary radio button in the Motion group box.
The Physics Model Selection dialog will guide you through the model selection process by showing only the options appropriate to the initial choices made. Using the same technique as in the previous step:
- Select Gas in the Material group box.
- Select Segregated Flow in the Flow group box.
- Select Constant Density in the Equation of State group box.
- Select Steady in the Time group box.
- Select Turbulent in the Viscous Regime group box.
- Select K-Epsilon Turbulence in the Reynolds-Averaged Turbulence group box.
The Physics Model Selection dialog should look as shown below when you are done.
In the hexMesh window, the color of the Physics 1 node has turned from gray to blue to indicate that models have been activated.
- Open the Physics 1 > Models node. The selected models are shown within that node.
Check that the default material properties for air and the reference values are suitable for this simulation.
The next step is Setting Initial Conditions.
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