To Create User-Defined Measures
1. Click
Measures. The
Measure Results dialog box opens.
2. Click
. The
Measure Definition dialog box opens.
3. Type a descriptive name for your measure, or accept the default name.
4. Select User defined under Type.
5. Select a quantity to specify the units for your measure.
6. Enter an expression in the entry box, or use these options to define an expression:
◦ Click
to open the
Operators dialog box.
◦ Click
to open the
Constants dialog box.
◦ Click
to open the
Functions dialog box.
◦ Click
to open the
Variables dialog box.
◦ Click
to validate your expression and open the
Expression Graph dialog box.
7. Select an evaluation method in the Evaluation method dialog box:
◦ Each time step
◦ Maximum
◦ Minimum
◦ Average
◦ Integral
◦ Root mean square
◦ At time
8. If you select At time, enter a real number value greater than zero in the Time box.
9. Click OK.
10. Graph the measure.