csc328

Simulation and Modeling

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Question Papers (6)
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FM: 60 PM: 24

Simulation and Modeling

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Section A

Answer any two questions.

1

Why model of a system is built? What is static model? Differentiate between static and dynamic mathematical models in simulation.

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2

What is storage in GPSS? Describe the blocks associated to storage in GPSS. A machine tool in a manufacturing shop is turning out parts at the rate off one every 5 minutes. As they are finished the parts go on an inspector who takes 10 ± 3 minutes to examine each one and rejects 10% of the parts. Represent the system in GPSS using the concept of facility and run the simulation for 500 parts.

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3

What are the two main properties of random numbers? Test whether the 3rd, 7th, 11th, and so on numbers in the sequence in the following random number sample are auto-correlated. (Zα =0.05 and Z0.025 =1.96)

0.12 0.01 0.23 0.28 0.89
0.31 0.64 0.28 0.83 0.93
0.99 0.15 0.33 0.35 0.91
0.41 0.60 0.27 0.75 0.88
0.68 0.49 0.05 0.43 0.95
0.58 0.19 0.36 0.69 0.87

 

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Section B

Answer any eight questions.

4

Explain Markov chain with suitable example.

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5

What are steps involved in simulation study? Explain.

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6

Generate 10 random integers using Linear congruential method where m=1000, a =19, c=6 and X0=13

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7

Explain different estimation methods which are used in simulation output analysis.

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8

Define verification and validation. Explain the process of model verification in brief.

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9

What is feedback system? Explain with example.

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10

What is calling population? Explain arrival and service process in a queue.

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11

Explain Monte Carlo simulation method with example.

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12

Write short notes on:
a. Non-stationary poisson process
b. Poker test

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