Define Default Surface Conditions
Use the Defaults tool to define global surface conditions for thermal radiation.
- 
                From the Radiation ribbon, click the arrow next to the
                        Thermal Radiation Surfaces tool set, then
                    select Defaults.
                Figure 1.  
 The Default Radiation Boundary dialog opens.
- Click the Radiation condition tab from the Settings menu. Define values for the default radiation boundary settings.
- Click the Output controls tab. Define the output frequency and/or output time interval at which results are extracted.
- Click the Agglomeration tab. Activate the check box, if desired, and input agglomeration values.