Natural Convection: Exercise 4—Defining Physics Modules
1. In the Flow Analysis Tree, right-click
Physics and select
Select Physical Models. or click
Physics Module. The
Physical Model Selection dialog box opens.
2. Under
Available Modules, select
Flow and click
![](../tutorials_pma/images/add_20.png)
3. Under
Available Modules, select
Heat and click
![](../tutorials_pma/images/add_20.png)
4. Click Close to close the Physical Model Selection dialog box.
Specifying Flow Module Conditions
1. In the Flow Analysis Tree, under Physics select Flow.
2. In the Model tab select the following values for the options listed:
◦ Converge Criterion—0.000001
◦ Under Numerics, for Numeric Scheme set the following values:
▪ Velocity—2nd Order Upwind
▪ Pressure—2nd Order Upwind
◦ Gravity Force—Yes
▪ g—0, -9.81, 0 m/s2
Specifying Heat Module Conditions
1. In the Flow Analysis Tree, under Physics select Heat.
2. In the Model tab select the following values for the options listed:
◦ Converge Criterion—0.000001
◦ Under Numerics, set Numeric Scheme to 2nd Order Upwind