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Explore Simulations Using the Debugger and Plots

2-21

Simulate with Different Intergeneration Times

By changing the intergeneration time (that is, the reciprocal of the entity arrival rate)

in the Time-Based Entity Generator block, you can see when entities accumulate in the

queue. Try this procedure:

Note: If you skipped the earlier model-building steps, you can open a completed version

of the model for this section by entering simeventsdocex('doc_dd1_blockage') in the

MATLAB Command Window.

Double-click the Time-Based Entity Generator block to open its dialog box, set the

Period parameter to 0.85, and click OK. This causes entities to arrive somewhat

faster than the Single Server block can process them. As a result, the queue is not

always empty.

Save and run the simulation. The plot whose title bar is labeled Signal Scope1

represents the queue length. The figure below explains some of the points on the

plot. The vertical range on the plot has been modified to fit the data better.

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