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Della avatar image
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Della asked Jason Lightfoot commented

Simulation with distribution in as is system

What is the tutorial on running simulations using distribution when we want to find statistics about the as-is system?

FlexSim 23.2.2
simulationdistributionas is system
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Jason Lightfoot avatar image Jason Lightfoot ♦♦ commented ·

Hi @Della, was one of Jason Lightfoot's or Joerg Vogel's answers helpful? If so, please click the "Accept" button at the bottom of the one that best answers your question. Or if you still have questions, add a comment and we'll continue the conversation.

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Jason Lightfoot avatar image
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Jason Lightfoot answered

I don't think there's a tutorial on this as such. Consider what you're trying to simulate and whether it is better to run your model, for example, for one replication of 1 year or 365 replications of 1 day. FlexSim takes care of the random samples from distributions to give you different values throughout the run. When you change the replication number the sequence of random numbers changes - effectively giving you a different but still valid outcome. If you're unclear on this read up on the principles of discrete event and monte-carlo simulations.

If you're not sure what distributions to use then as Joerg says - you can try fitting to most of those available in FlexSim using Expertfit.

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Joerg Vogel avatar image
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Joerg Vogel answered Jason Lightfoot commented

Let me assume you have empirical data. You want to get a statistical function and needed parameter by an analysis about your data. Expertfit is a tool in a licensed version of FlexSim that can do this.

main-menu-expertfit.jpg


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Jason Lightfoot avatar image Jason Lightfoot ♦♦ commented ·

Repeat streams should almost never be unchecked.

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