Including a Variable in a Sensitivity Analysis

Before a variable can be included in a sensitivity analysis, you must specify that you intend for it to be used during a sensitivity analysis in the Properties window.

To specify that a variable is to be used during sensitivity analysis:

1. Navigate either to the Project Variables Properties window (Project > Project Variables), or to the Design Variables Properties window (HFSS > Design Properties).

   The Properties window appears.

2. Use the tabs to navigate to the variable you want to use.
3. Select the Sensitivity radio button.
4. Use the Include check boxes to select variables for sensitivity analysis.
   Important:

   Dependent variables cannot be included in a sensitivity analysis.

   Variables containing complex numbers cannot be used in an Optimetrics sweep or for optimization, statistical, sensitivity, and tuning setups.

    

   The selected variable(s) will be available for sensitivity analysis in the current design or project.

5. If desired, use the Min and Max fields to override the default minimum and maximum values that Optimetrics will use for the variable in every sensitivity analysis. During analysis, the optimizer will not consider variable values that lie outside of this range.
6. If desired, use the Initial Disp. field to override the default initial displacement value that Optimetrics will use for the variable in every sensitivity analysis. During analysis, Optimetrics will not consider a variable value for the first design variation that is greater than this step size away from the starting variable value.