
2 Building Simple Models with SimEvents Software
2-10
Configure Blocks
Configuring the blocks in dd1 means setting their parameters appropriately to represent
the system being modeled. Each block has a dialog box that enables you to specify
parameters for the block. Default parameter values might or might not be appropriate,
depending on what you are modeling.
View Parameter Values
Two important parameters in this D/D/1 queuing system are the arrival rate and service
rate. The reciprocals of these rates are the duration between successive entities and the
duration of service for each entity. To examine these durations, do the following:
1
Double-click the Time-Based Entity Generator block to open its dialog box.
Observe that the Distribution parameter is set to Constant and that the Period
parameter is set to 1. This means that the block generates a new entity every second.
2
Double-click the Single Server block to open its dialog box. Observe that the Service
time parameter is set to 1. This means that the server spends one second processing
each entity that arrives at the block.
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