Schedule to produce 2 item types

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Terra K. asked Jun 20 2017 at 5:02 AM Steven Hamoen commented Jun 21 2017 at 6:49 AM

Schedule to produce 2 item types

Is there any way I can use a source to produce a specific amount per item types on spread of exponential?

Currently, I'm using source to produce only 1 item type evenly per day by using the exponential distribution.

Like for example, day 1 produce 100 item type 1, day 2 to produce 30 item type 2 and 70 item type 1.

How can I schedule the source to do so?

Software Version:

FlexSim 17.1.2

itemtype source schedule

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Answer 1 · 2017-06-20T07:26:02Z

Steven Hamoen answered Jun 20 2017 at 7:26 AM Steven Hamoen commented Jun 21 2017 at 6:49 AM

@Terra K. The way we always solve this is by using a source with an Arrival schedule. Let the items for that day arrive at the beginning of the day and put a processor behind it with a uniform distribution between 0 and 28800 (0 and 8 hours). This means that your products arrive exponentially distributed over the day at the end of the processor.

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Terra K. commented · Jun 20 2017 at 9:10 AM

@steven.hamoen Thank you, so at the arrival schedule I would need to put the arrival times for each day in seconds, and process time in d uniform?

eg. ArrivalTime: 0 , ItemName: Product1, Quantity: 100, Type: 1

ArrivalTime: 72000 , ItemName: Product2, Quantity: 30, Type: 2

ArrivalTime: 72000 , ItemName: Product1, Quantity: 70, Type: 1

And for Process Time for processor: duniform(0, 28800, 0)

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source.png (10.3 KiB)

processor.png (18.9 KiB)

Steven Hamoen Terra K. commented · Jun 20 2017 at 11:32 AM

@Terra K.I would use uniform and not duniform, but considering this is seconds, duniform should also work. The rest is correct.

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Terra K. Steven Hamoen commented · Jun 21 2017 at 2:13 AM

@steven.hamoen I've followed accordingly, But it took around 4hrs 40mins to process 1 item instead

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