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tr-simulation asked Jason Lightfoot commented

Unexpectedly long milestone-milestone time

In my attached model, I graph certain milestone-milestone times on the graph "Duration of Procedure Phases". I noticed that at one point, my "BAL" had a duration of >18 min (see screenshot) when I run it a bunch of times. Why would this be? The process time for "BAL" is set to one minute in my global table. BAL_Long.PNG V2_01172023d.fsm

FlexSim 22.2.2
healthcare
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v2-01172023d.fsm (14.9 MiB)
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Andrew O avatar image Andrew O commented ·

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Jason Lightfoot answered Jason Lightfoot commented

The BAL interval is defined as being the time between two milestones: "EndSample" and "EndTreatment" not simply the BALtime delay so would include any waiting time for ORNurse or Surgeon staff resources.

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tr-simulation avatar image tr-simulation commented ·
Thank you, those resources are released after ever single step so I am not sure why there would ever be any additional wait time once the "EndSample" milestone is reached?
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Jason Lightfoot avatar image Jason Lightfoot ♦♦ tr-simulation commented ·

Yes the calculated table is doing something weird as it updates for each patient. Each value goes negative as they progress until the most obvious difference occurs for the BAL milestone:

1674063207941.png

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tr-simulation avatar image tr-simulation Jason Lightfoot ♦♦ commented ·
How should I proceed?
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