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Fatimah EA avatar image
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Fatimah EA asked Matthew Gillespie answered

Elevator causes crash and seems to ignore floor space

Good Day,

I'm having trouble with the Elevators again. The Floorspace is set at 1.75 m², the elevator is not supposed to fit more than one person + pushcart at once. So the option of just changing it to 3 m² so that everyone fits inside is not given. The problem is, I have two Staff that would need to use the elevator. Sometimes their process finishes at the same time and they try to use the elevator at the same time, that doesn't work so my Model and Replications crash. I tried to change that by setting the process time of one of the staff just a few seconds longer but that causes the model to stop working properly, mainly because suddenly the staff gets stuck in the elevator and can't leave anymore.

It seems to me that the staff ignores the elevators space limit and tries to enter anyway. Is there a way to tell the Elevator or the staff to stop input / wait in front of the elevator if it's full?

I do not wish to do this with a queuing Item seeing as it simply doesn't belong there. I have also tried the stop and resume flow triggers but that also isn't working properly.

FlexSim HC 5.3.4
elevatorstafffloor space
5 |100000
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Matthew Gillespie answered

Can you attach your latest model?

From what I remember from your model the cart has an area of 1 m^2. However, a staff only has an area of about 0.232. So you might try lowering the floor space to 1.25.

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Fatimah EA avatar image Fatimah EA commented ·

I can attach it in a privet question. I tried to isolate the problem and in the isolated version everything works fine, the staff waits for the next elevator without me having to do anything so I do not understand where I made a mistake in my actual model. I have tried to set it to 1.25 but it crashes even more if I do it.

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