Ams.docx

Lab No.01 Title: Introduction to simulation and installation of arena software. A) Simulation: A simulation is an approximate imitation of the operation of a process or system; the act of simulating first requires a model is developed. Types:     

Task Trainer Simulation. Manikin-based Simulation. Standardized Patient Simulation. Virtual Reality Simulation. Tissue-based Simulation.

Definitions: System: Area under observation is called simply as system like photocopy machine shop .

Entity: Any single object within the system boundary is considered as entity. Attribute:

Property of entity is called attribute e.g. machine id, time taken during. Activity: Processes needed to complete or get finish objects. It may also state as, anything or process that changes the state or properties of entity after some time like raw material to finish good. Event: That changes the state of system e.g. start and end of system. Process: Events in sequence or in order e.g. prepared, sealer and rework. Resource: The thing which is performing the work it can be machine or man. Inter arrival time: Time that is consumed between the arriving of two parts. Idle time: The time in which machine is remained free or doing nothing. Queue time: The time in which part is waiting for machine and machine is still processing previous part. Time in system: The time duration for which part is remained within the system from its raw shape to finish product.

Task of lab: we are going to simulate 13 parts manually.

Simulation:

01 02 03 04 05 06 07 08 09 10 11 12 13

Inter arrival Arrival time time 0 5 0+5 8 13 7 20 5 25 3 28 1 29 4 33 2 35 2 37 9 46 7 53 1 54

Machining time 5 3 2 1 4 6 5 1 4 3 1 2 4

Machining Start time 0 5 13 20 25 29 35 40 41 45 48 53 55

Machining Finish time 5 3+5=8 15 21 29 35 40 41 45 48 49 55 59

Time in system 5 8-5=3 2 1 4 7 11 8 10 11 3 2 5

B) Installation of Arena: 1. Type a following on google search. 2. https://www.arenasimulation.com/simulation-software-download 3. Select Download a Trial. Fill out the form including your email. 4. A link will be emailed to you in a few minutes. Please check your Trash or Spam Folders if the email does not show up in your Inbox. 5. Click on the link and save the update to a folder on your desktop. 6. Open that folder and right click on the Arena update. 7. Select WinZip to unzip the file. Unzip to this folder. 8. Select AUTORUN.EXE. 9. Install Arena.

Idle time 0 0 5 5 4 0 0 0 0 0 0 4 0

Time in queue 0 0 0 0 0 1 6 7 6 8 2 0 1

Lab No. 03 Title: Introducing entity, Queue and resource picture animations and plots in arena First, we must open the model which we have made in the previous lab session in which we model and analyze the manufacturing assembly in Arena. Then we must perform different operations such as animations, plots etc. to complete this lab. The description of todays lab session is as follows: Introducing Entity: First, open the model, then go to the Project Bar which is located on the lefthand side and then select the Basic Process. Then to introduce entity select the block in the Basic Process that has the name entity. After the selection the number of parts and their entity type along with the initial pictures appear under the displaying model. Then click on the initial picture and select the suggested picture for each part. We have two parts named Part A and Part B. We have given the initial picture of aero plane and bike to the Part A and Part b respectively. Then run the program and entities are shown in a processing manner.

Queue: For adding queue in the model, go to the bar on the process block. Then double click on it to add Queue in the form of point or line. If we want to add Queue in the form of point, then select the point form and then select points that are 180 degree apart. Click on the add option to add more and more points in the queue. We can also define the angle between two points by selecting the option user defined and color can also be changed according to the requirements. Maximum number of entities that stay on any process is 30 but only 14 are visible according to space available.

Resource Picture: It is used basically to show the process if it is happening or not. First go to the bar which is present above the model and then select the resource option from it. After selecting the resource option, a pop-up block appears and ask about the identifier in which the process is defined, state which includes idle, busy, inactive and failed and the picture id. From the identifier select the sealer process and then go to the picture id and specify the identification marks that are easy to understand when the process is going on. After selecting the identification marks the click on OK and then draw the block on the process which is mentioned in the identifier and resize it.

In the above figure the color of resource block shows that the process sealer is busy. Plots: To generate plots, like resource this option is also present in the bar present above the model. After clicking on the plots, a pop-up menu appears that ask about data series, axes, titles, areas, legends and 3-D view as well. We select the data series and the add new series which is series 1 and the expression used is the Disposed shipped part.NumberOut. Then click on OK and draw the plots block under the Disposed Shipped Parts. Again resize it so that plots are visible easily and clearly.

The color of the plot can be changed accordingly and on plots x-axis shows the simulation time and y-axis shows the number of shipped parts that are out.

Results :