Viewing Time History Results

When the analysis completes, you can plot results for the model at any solution time step, or you can plot response time history graphs for Point 1.

1. In the Simulation study tree, right-click the Results folder and select Define Response Graph.
   Point 1 is highlighted in the Predefined locations box.
2. In the PropertyManager, under Y axis do the following:
   1. Select Displacement.
   2. Set Component to UY: Y Displacement.
   3. Set Units to in.
3. Click .

   The time history graph of the UY-displacement component appears in the graphics area.

   X-axis is sec and Y-axis is in.

   

   The response graph clearly depicts oscillations of the basketball rim occurring during the slam dunk. The maximum UY displacement is approximately 1.35 in. This value is greater than 0.78 in which is the maximum static UY displacement of the rim (see the UY displacement plot of Static study). The hoop comes to rest at the end at about 0.32 sec. After releasing the load, the rim undergoes free vibrations until it recovers its initial position at about 0.8 sec.

   To test the accuracy of the results, run a second dynamic study using 10 modes. The results show minor changes in the response indicating that using 5 modes gives accurate results in this case. In many cases, a larger number of modes may be required.