Define a thermal constraint using a node ID table

The Node ID Table type lets you define a thermal constraint with a node ID table, which contains a list of node IDs and corresponding scale factors. For each node in the node ID table, the temperature magnitude is multiplied by the scale factor.

For more information, see Create a node ID table.

1. Choose Home tab→Loads and Conditions group→Thermal Constraints .

2. In the Thermal Constraints dialog box, select Node ID Table from the Type list.

3. In the Magnitude group, define the thermal constraint magnitude in one of these ways:Select Expression to use a constant value or expression to define the magnitude. For more information, see Expressions. Select Field to define a temperature magnitude. For more information, see Using fields and expressions to define boundary conditions.

4. In the Scaling ID Table group, from the Specify Field list, select Table Constructor .

5. Notice that in the Table Field dialog box, Domain group, the Independent tab is selected. Note: The independent variable is set to unitless. Three dependent variables are defined and set to dimensionless.The Data Points table has columns for the node ID and the dimensionless scale factor.

6. In the Data Points group, click Import from File .

7. Select the .csv file, and click OK. The node ID table is imported into the Data Points table. To populate the table correctly, the .csv file must have a column that represents the node IDs, plus another column that represents the scale factor to apply to the nodal temperature value.

8. In the Table Field dialog box, click OK.

9. In the Temperature Constraints dialog box, click OK.The constraint is created on the nodes specified in the node ID table.

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