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CSM 233 Computer Simulation & modeling lab activity 5

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 STUDENT LAB/TUTORIAL ACTIVITY REPORT

Course Code : CSM 233

Course Name : Computer Simulation & modeling

EXPERIMENT/EXERCISE NO. : 05

TITLE OF EXPERIMENT/EXERCISE: Multi Processing System Simulation Model

Goal AIM/OBJECTIVE (similar to the manual):

Description :

In this session we will cover:

1. The Arena simulation software environment.

2. Simulation project concepts such as Entities, Resources, Queues, Attributes, Variables, and Statistical accumulators in Arena.

3.Flowchartand data modules in Arena

4. The Create, Process, and Dispose modules in Arena.

5. Building and running a simple simulation model discuss the results of a simulation run.

Objectives:

A quick tour of the Arena environment

• Recap of basic concepts

• The three (3) basic modules

• Building your first model

• Before you run the model

• Running the model

• Viewing the results

CASE STUDY/ RELEVANT PROGRAMS / DESIGN/CONFIGURATION / IMPLEMENTATION/COMMANDS. (A PART TEACHER TAUGHT IN THE

LAB)

Theory / Explanation:

Consider the following system. Create an Arena model.

a) Problem statement as stated here

Problem Statement :

Funny parts called AB arrive to a section of our system and go through different stations for some processes then leave the system. Interarrvial time is distributed as expo(5 hr). The process at Station 1requires 1 worker take expo(4 hr). The process at Station 2 requires 1 doctor and 2 nurse and it will take expo(5 hr). The process Station 3 requires 1 bed and it will take expo(13 hr). The process at Station 4 requires 3 of tool X and 2 of will take expo(10 hr). The process at Station 5 requires 2 carts and it will take expo(5 hr). We have one of one of Station 2, 3 identical Station 3, 3 parallel Station 4, and one of Station 5. Simulate for 10,000 hrs

b) Draw logical model using software (past it into your Word file)

c) Copy of statistical output (past it into your Word file)

number in: 149

out: 149

entity :1 avg: 14,5702 min: 0,00 max: 142,00

d) Create a summary table of major performance measures

Analyze this summary table and write (type) your findings and conclusions

Performance

Parameters

Funny Parts

Station 1

Station 2

Station 3

Station 4

Station 5

Worker

Nurses

Doctor

Bed

Tool X

Tool Y

Carts

Utilization

0.094

0.078

0.078

0.1454

0.1454

0.1459

0.0709

Number Scheduled

1

1

1

1

1

1

1

Number used

1

1

1

1

1

1

1

Average Wait Time

440.37

214.4

91.32

614.2

17.92

2.7

Maximum Wait Time

1860

425.6

147.2

1204.8

92.9

30.61

Average Number in Line

14.57

3.14

1.36

9.15

0.26

0.040

Maximum Number in Line

142

109

35

92

8

5

Total Time

977.8

Number in

144

Number out

149

The three (3) basic modules

1. Create:

–Entry point of entities into system

2. Process:

–Work is done on entities

3. Dispose:

–Exit point for entities from system

Write the detail report of the following.

Entities

Resources

Queues

Attributes

Variables

Statistical accumulators

Activity for Students: (Practical Exercise 2)

RESULTS:

1.

2.

3

ANALYSIS and OBSERVATION

CONCLUSION:

Reserved for the lab teacher

Observation

Awarded Mark:

SIGNATURE :

DATE:

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