Change value of variable while running simulation

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question

Paul M4 asked Jan 16 2020 at 11:29 AM Paul M4 commented Jan 17 2020 at 4:55 PM

Change value of variable while running simulation

Hello,

Is it possible to change a value of a variable while running a model? I change the value in a table, the code looks in the table to retrieve that value and make a subsequent decision. The value doesn't seem to take effect, i.e., the expected behavior change only occurs when I reset the model completely.

Is there an option to actively modify model behavior while running the model, based on a user interaction?

Regards,

Paul

Software Version:

FlexSim 19.2.4

simulation variable value

· 3

Allister Wilson commented · Jan 16 2020 at 1:29 PM

Changing a table value at runtime should work fine.
Could you upload an example model that demonstrates this issue?

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Paul M4 commented · Jan 16 2020 at 1:51 PM

Hi @Allister Wilson,

The setting I'm trying to change is in the column "GradeString". As it is currently set up, the first station accepts green items (value 2). I tried to change this into value 3, thinking it starts accepting blue items. Instead it keeps accepting green items until I reset the model.

model-14.fsm

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model-14.fsm (1.1 MiB)

Allister Wilson Paul M4 commented · Jan 16 2020 at 3:36 PM

I did a search in the model tree but wasn't able to find any references to "GradeString".
Where exactly are you reading / using values from that column?

On your end, you could set a breakpoint in the code which reads that value. You can then use the Local Variables window to check the value that was read from the table.
My expectation is that you'll see that read works fine and the problem is in the logic that uses it.

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Answer 1 · 2020-01-17T11:59:04Z

Paul M4 answered Jan 17 2020 at 11:59 AM

I did some more looking around for myself. Turns out that the input variable I'm supposed to use is transferred into another variable which is the one actually used by the model.

Changing that variable works as I expected. It's just set up a little awkward.

Regards,

Paul

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