How to obtain the simulation data after executing go() in script console?

Question

question

Steven asked Mar 7, '22 Steven edited Mar 9, '22

How to obtain the simulation data after executing go() in script console?

Dear all,

When using go () to run the model in the script console, I want to get the simulation output data immediately. The details are as follows: before executing FlexScript, Table("Result")[9][1] is 699.

After executing FlexScript, the printed table ("result") [9] [1] is still 699 instead of the new value 517.

I found that FlexScript will execute the next code immediately after executing go(), regardless of whether the simulation ends or not. Is there any way to get the simulation results in the code after go()?

I've been troubled by this problem for several days. This is my model, Mymodel.fsm

Please help me, thanks.@Phil BoBo @Ben Wilson

Software Version:

FlexSim 20.1.3

flexscript model run output data

1646616270851.png (52.2 KiB)

1646616386389.png (55.3 KiB)

mymodel.fsm (260.4 KiB)

· 4

Joerg Vogel commented · Mar 07, 2022 at 05:16 AM

Please work with the experimenter tool!!! The script console has not got a feature like wait until finished. You expect an behavior that does not exist in this environment.

0 ·

Steven Joerg Vogel commented · Mar 07, 2022 at 09:08 AM

Thank you very much for reminding me. But I don't know how to run Experimenter through FlexScript. Because this is only part of my research, I will use Experimenter to get the output when necessary. So I need to call Experimenter through FlexScript and get its result.

0 ·

Jason Lightfoot ♦ Steven commented · Mar 07, 2022 at 02:33 PM

If you explain more about what you're trying to do you'll get a better answer. It sounds like a move to the latest beta may help you if you have access to current versions.

0 ·

Show more comments

Answer 1 · 2022-03-07T14:59:47Z

Phil BoBo answered Mar 7, '22 Steven edited Mar 9, '22

The simulation is not run entirely within the call to the go() command.

The go() command sets a variable in the program that tells it to start processing simulation events. The event processing does not happen in-line within the execution of that FlexScript function.

If you want a callback when your model is finished, then you need to add code somewhere else that fires when your model is finished. 'When your model is finished' will depend on the model. It is up to you to determine when that is and where your code should go. Perhaps in a user event at a specific time, you should stop the model and record the results.

· 7

Steven commented · Mar 08, 2022 at 01:13 AM

Thank you for your answer. I see.

So there's no way to get simulation results in the script console, right? Because the problem I study is simulation-based optimization, it needs to run the model constantly to obtain the output data. Is there any way to solve this problem?

0 ·

Ralf Gruber ♦ Steven commented · Mar 08, 2022 at 08:05 AM

Steven,

the easiest solution would be to use FlexSim´s built-in optimizer, OptQuest. It is not free of charge, though, but you won´t have to worry about communication timing, as you have to now. I assume you are trying to connect to an external optimizer?

Good luck

0 ·

Steven Ralf Gruber ♦ commented · Mar 08, 2022 at 11:43 AM

Yeah, OptQuest is not free, so I don't consider using it.

Actually, I have solved my problem in the c++ program which is a heuristics algorithm by using a bat file that launches flexsim and runs the model, but it consumes a lot of time because it needs to open and close flexsim constantly. therefore, I want to reprogramme with flexscript in the script console, which can save time to open flexsim.

So I encountered the problem mentioned at the beginning

0 ·

Show more comments

Joerg Vogel Steven commented · Mar 08, 2022 at 11:19 AM

@Steven, your last comment is in fact a really good new question. Please consider it to ask this in a new thread, because there have been similar questions in the past. It would be nice to collect currently supported methods to optimize internally and externally with FlexSim.

Regards Joerg

0 ·

Steven Joerg Vogel commented · Mar 08, 2022 at 12:15 PM

yeah, it's a good idea, maybe there is a good way！

0 ·

question