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Time Dependent Convection Condition
Select the Function of Time option from the Temporal Variation drop-down list in the Convection Condition dialog box if your applied boundary condition is a function of time. You must then specify the function over the time range that the analysis will use.
When you select the Function of Time option, the Convection Condition dialog box expands to display the button and entry box in the Temporal Variation area. Click . The Function Definition dialog box appears.
Return to Convection Conditions or To Define Convection Condition.