Number of packed items isn't visually correct, why?

Question

question

Mohammed_adnane T asked Jun 23 2021 at 11:26 AM Jeanette F commented Jun 29 2021 at 6:21 PM

Number of packed items isn't visually correct, why?

After using a sequence of operations for packing Items, at a certain point (specifically after the second combiner) the third combiner does not show the correct count of Items visually but the count in the Model tree is correct. In the attached images we see that the number of the packed Items in the receiving conveyor is 7 meanwhile it is 56 (7 times 8 packed items) in the model tree. Is there a way to fix this or is it a simulation bug?

Software Version:

FlexSim 21.0.6

combiner visualization packed items

1624447407283.png (168.4 KiB)

· 3

Joerg Vogel commented · Jun 23 2021 at 1:42 PM

It is a matter of location. Your items are place inside another. They aren’t any physical objects in your simulation. You must set different locations for them to see them all. It is not a bug!

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Mohammed_adnane T Joerg Vogel commented · Jun 24 2021 at 12:03 PM

@Joerg Vogel How can I do that? I tried changing the default's script of packing method but it only changed once, the next combiner of the line still had the same problem. What's the logic behind subnodes an location of items?

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Jeanette F ♦♦ commented · Jun 29 2021 at 6:21 PM

Hi @Mohammed_adnane T, was Joerg Vogel's answer helpful? If so, please click the red "Accept" button at the bottom of their answer. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always unaccept and comment back to reopen your question.

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Answer 1 · 2021-06-24T13:05:34Z

Joerg Vogel answered Jun 24 2021 at 1:05 PM

Any item, which is entering a combiner through input port 1, is the container. If you change the container item, as you did, in your model, then each container item needs a packaging method.

My attached example shows what happens if you change or keep the container item. I did not use a packaging method. I set the location of the new packed item in relation to already packed items in a trigger of each combiner.

The sequence of packaging is black box, cylinder, sphere, red box.

Left stack is the result of changing the container. Right stack keeps the black box as a container.

setlocation_while_combining.fsm

keep-or-change-container-for-combiner.png (17.5 KiB)

setlocation-while-combining.fsm (34.1 KiB)

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