Arena Material: chapter 5 - AS Nida
Arena Material: chapter 5 - AS Nida Arena Material: chapter 5 - AS Nida
odel 5-4: (s, S) Inventory Simulation ogic for Customer Demands Create block for arrival Entity Type is Customer Uses Interdemand Time Expression First Creation after an Interdemand Time Assign block to decrement Inventory Level by a Demand Size Demand Size was defined as an Expression Backlogging naturally happens Dispose block for customer exit If backlogged, is accounted for automatically in the (simple) definition and tracking of Inventory Level
odel 5-4: (s, S) Inventory Simulation nventory Evaluation Create block for Inventory Evaluator entities First Creation at time 0 – evaluate inventory at start of run Interval is Evaluation Interval, defined as Expression Branch block – somewhat like Decide module To determine whether to place an order now Add “branches,” each evaluated as true or false Clone of incoming entity sent out along each “true” branch, but at most Max Number of Branches will be sent out – So we set Max Number of Branches to 1 (default is ∞) First branch of type “If” – if “true” we want to order Second branch of type “Else” – if “true” it means that the first branch was “false” so we don’t order – just Dispose
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odel 5-4: (s, S) Inventory Simulation<br />
nventory Evaluation<br />
Create block for Inventory Evaluator entities<br />
First Creation at time 0 – evaluate inventory at start of run<br />
Interval is Evaluation Interval, defined as Expression<br />
Branch block – somewhat like Decide module<br />
To determine whether to place an order now<br />
Add “branches,” each evaluated as true or false<br />
Clone of incoming entity sent out along each “true” branch,<br />
but at most Max Number of Branches will be sent out<br />
– So we set Max Number of Branches to 1 (default is ∞)<br />
First branch of type “If” – if “true” we want to order<br />
Second branch of type “Else” – if “true” it means that the<br />
first branch was “false” so we don’t order – just Dispose
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