Engineering, 02.12.2019 18:31 armstrongstang420
Parts arrive at a two-machine system according to an exponential interarrival distribution with mean 20 minutes; the fi rst arrival is at time 0. upon arrival, the parts are sent to machine 1 and processed. the processing-time distribution is tria(4.5, 9.3, 11) minutes. the parts are then processed at machine 2 with a processing-time distribution as tria(16.4, 19.1, 20.8) minutes. the parts from machine 2 are directed back to machine 1 to be processed a second time (same processing-time distribution as the fi rst visit but an independent draw from it). the completed parts then exit the system. run the simulation for a single replication of 20,000 minutes to observe the average number in the machine queues and the average part cycle time.
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