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John H9 avatar image
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John H9 asked Ryan Clark commented

Breakdown settings ?

Hi,

I am trying to set up the failures on my machines but I can't. I want the failures to occur exponentially every 4 hours and to last exponentially for 7 minutes. I have made the following parameter, is it good?

4 h = 14400 s

7 min = 420 s

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FlexSim 22.0.1
breakdownprocesorsettings
1645435398537.png (33.9 KiB)
1645435428475.png (25.4 KiB)
1645435439950.png (17.9 KiB)
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Allister Wilson avatar image Allister Wilson commented ·
I don't see anything wrong in those screenshots.

What is going wrong, exactly?

Attaching your model would help too.

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Joerg Vogel avatar image Joerg Vogel Allister Wilson commented ·
What you get by exponential distribution is spreading Up to 13 Times of your mean.
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Ryan Clark avatar image Ryan Clark commented ·

Hi @John H9, was Jason Lightfoot's answer helpful? If so, please click the "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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1 Answer

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Jason Lightfoot avatar image
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Jason Lightfoot answered Jason Lightfoot edited

You have a zero for the first failure time - you should instead use the correct distribution for the first failure time. Luckily for you the exponential distrubution is memory-less so it's statistically okay to put the same up time in for your first failure time.

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