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Georgia Institute Of TechnologyISYE 6644Week 5 Homework - Summer 2020_ Simulation and Modeling for Engineering and Science - ISYE-6644-OAN_O$11.49
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Georgia Institute Of TechnologyISYE 6644Week 5 Homework - Summer 2020_ Simulation and Modeling for Engineering and Science - ISYE-6644-OAN_O
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Course
ISYE 6644 Simulation
Institution
Georgia Institute Of Technology
6/30/2020 Week 5 Homework - Summer 2020: Simulation and Modeling for Engineering and Science - ISYE-6644-OAN/O01
Week 5 Homework - Summer 2020
Due Jun 19 at 11:59pm Points 19 Questions 19
Available Jun 12 at 8am - Jun 19 at 11:59pm 8 days Time Limit None
This quiz was locked Jun 19 at 11:59pm....
,6/30/2020 Week 5 Homework - Summer 2020: Simulation and Modeling for Engineering and Science - ISYE-6644-OAN/O01
a. A customer enters the block and then emerges along with an exact
clone of himself.
Correct!
b. A customer enters the block and then emerges along with two exact
clones of himself.
c. Two customers enter the block and are then merged into one exiting
customer.
d. Three customers enter the block and are then merged into one exiting
customer.
(b).
Question 2 pts
(Lesson 5.14: Run Setup and Control.) Model a single-server queueing
system (e.g., a barber shop) with first-in-first-out queueing priority. Let the
interarrivals be i.i.d. exponential with a mean of 10 minutes, EXPO(10),
and let the services be i.i.d. TRIA(5,8,11) with the units in minutes.
This is just a simple Create-Process-Dispose model, with the Process
block only requiring that you Seize-Delay-Release the barber.
Run the system for 100 replications, each of length 1000 minutes. To
handle the length/number of runs, go to Run > Setup > Replication
Parameters and set “Number of Replications” = 100, “Replication Length”
= 1000, and “Time Units” (immediately to the right of “Replication Length”)
= “Minutes”. Moreover, make sure that the two “Initialize Between
Replications” boxes are both checked.
https://gatech.instructure.com/courses/128642/quizzes/142123?module_item_id=833700 2/17
, 6/30/2020 Week 5 Homework - Summer 2020: Simulation and Modeling for Engineering and Science - ISYE-6644-OAN/O01
100 reps can be slow. So, you will probably want to hit the “Fast-Forward”
(double arrow) button to run all of those replications quickly. Or you can
use the Run menu to run the thing in batch mode. In any case, the thing
should just take a few seconds to execute.
When all of the reps are finally over, you’ll get the Crystal Reports output.
Click on “Category Overview” and scroll through the 3 or so pages of
output.
What is the % of time that the server is busy?
a. ~8%
b. ~20%
c. ~50%
orrect Answer d. ~80%
ou Answered e. ~100%
(d). This follows since the traffic intensity = arrival rate/service rate
= (1/10)/(1/8) = 0.8.
Question 3 pts
(Lesson 5.15: Two-Channel Manufacturing Example.) Consider the demo
from class:
Module05-15 - Model 04-01-ElectronicAssembly-slow.doe
If you run the thing for a while, you’ll see that the rework Station gets
pretty clogged up every once in a while – probably because the service
times are EXPO(45) minutes. Let’s suppose that management has
noticed this as well and decides to upgrade that station so that the service
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