Develop a Business Simulation Model - Discrete-Event Simulation Software Package  - Engineering Assignment Help

Assignment Task :

Module Learning Outcomes Assessed: 

1. Demonstrate understanding of the principles and techniques associated with  simulation modelling, business process and logic modelling languages.

2. Use simulation techniques and software to develop and evaluate appropriate  scenarios for using in the analysis and evaluation of business plan alternatives.

3. Understand the concept of probability/randomness and how it can be modelled to  produce realistic simulation models.  

4. Develop a working knowledge of a discrete-event simulation software package  such as SIMUL8/ARENA.

Scenario Description  

A shop floor is the area in a manufacturing facility where production is carried out, by machines and  operators. In this scenario, a shop floor consists of 3 production sections, each section has 2 operations is  considered. These operations are repeated/similar across all sections, so that arrived jobs can be  processed at any section. Jobs frequently arrive at irregular/random intervals and can select any of the  sections based on the queue size (least).  

The job shop manufacturing system encountered many scheduling problems. These problems include  variations in batch sizes, processing times, inventory levels, work in progress (WIP), performance, etc. 

The following description shows the flow of operations in this shop floor. 

• The inter-arrival times of jobs (in minutes) follow a user-defined distribution based on  Exponential with an Average equal to 10.  

• The shop floor consists of 3 production sections (Section 1, Section 2, and Section 3). See Figure  1 for the shop floor layout.  

• Upon arrival, the job selects a production section based on the shortest queue size. 

• Each section has two operations, these operations are repeated across all sections. See Table 1  for the shop floor operations. 

• Four skilled operators are working in the shop floor, some of these operates can operate more than one machine (multi-skills). Each machine requires only 1 operator allocated with the related skill. See Table 3 for skills of operators.  

Coursework Tasks 

For this piece of individual coursework, you are required to apply simulation modelling to  deliver the tasks below:  

Task 1- After reading the scenario above, provide problem brief, main aim, objectives, tools and  techniques, and key performance indicators.  

Task 2- Use tabular form to define and analyse the Shop Floor Scheduling problem. This analysis  includes decomposing the system being investigated into its main components including entities,  attributes, activities, state variables, and events.  

Task 3- An appropriate flowchart with detailed explanations. 

Task 4- An appropriate Activity Cycle Diagram (ACD) with detailed explanations.

Task 5- Develop a business simulation model for 200 jobs to imitate the above scheduling problem (“As-Is” situation) in order to increase productivity of the shop floor operations. Five simulation runs are  required, at least two experiments (scenarios) to achieve a reasonable:  

i. Overall simulation time. 

ii. Queue size at each. 

iii. Average waiting time. 

iv. Resource(s)/ service facility(s) utilisations. 

A comparison via Excel diagrams of the “As-Is” scenario with any other improvement scenarios “What If” is required. 

Task 6- Conclusion and Recommendations for further improvement (bullet points)

Submission Requirements 

•  A detailed report including all the required tasks 1-6, system analysis table, flowchart  diagram, Activity Cycle Diagram (ACD), both ‘As-Is’ & ‘What-If’ simulation models/  snapshots & other relevant comparison diagrams (outlines are provided above). 
• A copy of the developed “As-Is” simulation model (.s8 extension)  
• A copy of each of the developed “What-If” scenario (.s8 extension)  
•  A copy of Excel file including all scenarios allocated in multiple sheet tables

For an Excellent Mark (>69%) 

• Show a thorough understanding of the purpose of the activity. 

• Display knowledge of all the relevant principles, theories, and practices and an ability to apply  them effectively. 

• Provide evidence of extensive reading beyond that listed, including academic journals.

• Demonstrate an ability to select critical points, evaluate them and communicate the conclusions  effectively. 

• Develop and run models that reflect as realistically and sensibly as possible given situations.

• Develop and run models that are based on sensible and useful options that go beyond given  situations. 

• Provide analysis, discussion, and comment critically on the results produced by models.

• Provide solutions to business problems that are creative and practicable. 

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