1. Right-click the Load/Restraint folder and select Uniform Base Excitation.

2. Under Type, do the following:

If you select a planar face or a reference plane, you can specify excitations Along Plane Dir 1 ,Along Plane Dir 2 , or Normal to Plane .

If you select a straight edge, you can specify an excitation in its direction Along Edge .

3. Under Displacement, Velocity, or Acceleration do the following:

   1. For Unit , select the desired unit.

   2. Click the button for a direction and type a value.

4. Under Variation with Time, select:

   • Linear to vary the excitation linearly from 0 at time 0 to its specified value at the end of the solution period.

   • Curve to specify your own variation or select a library curve. Click Edit to modify the curve.

NOTE: The shape of variation is applied to all specified values. Click Graph to view the variation in all selected directions.

5. Under Symbol Settings, do the following:

   1. Click Edit Color to select a color.

   2. Set Symbol Size .

6. Click .

1. Right-click the Load/Restraint folder and select Uniform Base Excitation.

2. Under Type, do the following:

   1. Select Displacement, Velocity, or Acceleration.

   2. For Face, Edge, Plane for Direction , select a reference entity.

If you select a planar face or a reference plane, you can specify excitations Along Plane Dir 1 ,Along Plane Dir 2 , or Normal to Plane .

If you select an edge, you can specify an excitation along the edge .

3. Under Displacement, Velocity, or Acceleration, do the following:

   1. For Unit , select the desired unit.

   2. Click the button for a direction and type a value.

4. Under Phase Angle, do the following:

   1. For Unit, select the desired unit.

   2. For Angle, type a value.

5. Under Variation with Frequency, select:

   • Constant to specify constant excitation for the full range of operating frequencies.

   • Curve to specify your own variation or select a library curve. Click Edit to modify the curve.

NOTE: The shape of variation is applied to all specified values. Click Graph to view the variation in all selected directions.

6. Under Symbol Settings, do the following:

   1. click Edit Color to select a color.

   2. Set Symbol Size .

7. Click .

1. Right-click the Load/Restraint folder and select Uniform Base Excitation.

2. Under Type, select Displacement, Velocity, or Acceleration.

3. Under PSD Displacement, PSD Velocity, or PSD Acceleration, do the following:

4. Under Variation with Frequency, select:

   • Constant to specify constant excitation for the full range of operating frequencies.

   •  Curve to specify your own variation or select a library curve. Click Edit to modify the curve.

NOTE: The shape of the variation is applied to all specified values. Click Graph to view the variation in all selected directions.

5. Under Symbol Settings, do the following:

6. Click .

1. Right-click the Load/Restraint folder and select Uniform Base Excitation.

2. Under Acceleration, do the following:

3. Under Variation with Time, select:

   • Linear to vary the excitation linearly from 0 at time 0 to its specified value at the end of the solution period.

   • Curve to specify your own variation or select a library curve. Click Edit to modify the curve.

NOTE: The shape of the variation is applied to all specified values. Click Graph to view the variation in all selected directions.

4. Under Symbol Settings, do the following:

   1. Click Edit Color to select a color.

   2. Set Symbol Size .

5. Click .