Define External Radiation
Use the External tool to apply external radiation heat transfer to selected surfaces or thin solids.
-
From the Radiation ribbon, click the
External tool.
-
Select the surfaces or thin solids on which to apply the radiation heat
transfer.
To Select Do This Surfaces - Set the guide bar selector to Surfaces.
- Select surfaces.
Thin Solids - Change the guide bar selector to Thin Solids.
- Select thin solids.Note: You can only select thin solids if layers have been defined using the Thin tool.
- Select a direction option from the
guide bar.
- Direction: Away from Parent Surface - Define the condition on the boundary surface furthest from the parent surface.
- Direction: Adjacent to Parent Surface - Define the condition on the boundary surface closest to the parent surface.
- Direction: Both Sides - Define the condition on both sides of the boundary surface.
An external radiation dialog opens. -
Select an external radiation definition from the drop-down menu and define
radiation properties.
Option Description Zero Enter a reference temperature value. Constant Enter a reference temperature and flux value. Piecewise Linear and Cubic Spline Enter a reference temperature value, define the x-axis using the Curve fit variable drop-down menu, then use the table and the plot area to define the radiation. -
From the guide bar, execute the command in the following
ways:
- Click to confirm your selection and remain in the
tool.
This allows you to continue creating instances and helps you visualize and edit instances with the legend.
- Click to confirm your selection and exit the tool.
- Click to confirm your selection and remain in the
tool.