To Create System 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 System under Type.

5. Select a Property from the list:

◦ Degrees of freedom

◦ Redundancies

◦ Time

◦ Kinetic energy

◦ Linear momentum

◦ Angular momentum

◦ Total mass

◦ Center of mass

◦ Total centroidal inertia

The units for the property are displayed under Type, as are any components you can measure for that property.

6. If necessary, select a component to measure, and a frame of reference to express the measure.

7. Select an evaluation method for Kinetic energy, Linear momentum, Angular momentum, Center of mass, or Total centroidal inertia measures:

◦ Each time step

◦ Maximum

◦ Minimum

◦ Integral

◦ Average

◦ Root mean square

◦ At time

8. If you select At time, enter a real-number value greater than zero in the Time entry box.

9. Click OK.

10. Graph the measure.