Arena preliminaries-2 - Graduate Program in Business...

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Aslı Sencer Erdem Graduate Program in Business Information Systems BIS 517 Simulation with Arena Part 2
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Simulation with Arena Chapter 4 – Modeling Basic Operations and Inputs Slide 2 What We’ll Do . .. Model 4-1: Electronic assembly/test system Modeling approaches New Arena modules (Decide, Record) Model 4-2: Enhanced electronic assembly/test Resource Schedules, States, and Failures Frequency outputs More on utilizations Model 4-3: Enhancing the animation Queues, Entity Pictures, Resource Pictures Adding Plots and Variables
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Simulation with Arena Chapter 4 – Modeling Basic Operations and Inputs Slide 3 What We’ll Do . .. (cont’d.) Input analysis Specifying input distributions, parameters Deterministic vs. random input Collecting and using data Fitting input distributions via the Input Analyzer No data? Nonstationary arrival processes Multivariate and correlated input data
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Simulation with Arena Chapter 4 – Modeling Basic Operations and Inputs Slide 4 Electronic Assembly/Test System (Model 4-1) Produce two different sealed elect. units (A, B) Arriving parts: cast metal cases machined to accept the electronic parts Part A, Part B – separate prep areas Both go to Sealer for assembly, testing – then to Shipping (out) if OK, or else to Rework Rework – Salvage (and Shipped), or Scrap
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Simulation with Arena Chapter 4 – Modeling Basic Operations and Inputs Slide 5 Part A Interarrivals: expo (5) minutes From arrival point, proceed immediately to Part A Prep area Process = (machine + deburr + clean) ~ tria (1,4,8) minutes Go immediately to Sealer Process = (assemble + test) ~ tria (1,3,4) min. 91% pass, go to Shipped; Else go to Rework Rework: (re-process + testing) ~ expo (45) 80% pass, go to Salvage/Ship; Else go to Scrap
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Simulation with Arena Chapter 4 – Modeling Basic Operations and Inputs Slide 6 Part B Interarrivals: batches of 4, expo (30) min. Upon arrival, batch separates into 4 individual parts From arrival point, proceed immediately to Part B Prep area Process = (machine + deburr +clean) ~ tria (3,5,10) Go to Sealer Process = (assemble + test) ~ weib (2.5, 5.3) min. , different from Part A, though at same station 91% pass, go to Shipped; Else go to Rework Rework: (re-process + test) = expo (45) min. 80% pass, go to Salvage/Ship; Else go to Scrap
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Simulation with Arena Chapter 4 – Modeling Basic Operations and Inputs Slide 7 Run Conditions, Output Start empty & idle, run for four 8-hour shifts (1,920 minutes) Collect statistics for each work area on Resource utilization Number in queue Time in queue For each exit point (Shipped, Salvage/Shipped, Scrap), collect total time in system (cycle time)
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Simulation with Arena Chapter 4 – Modeling Basic Operations and Inputs Slide 8 Developing a Modeling Approach Define pieces of model, modules, data structures,
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This note was uploaded on 05/12/2011 for the course INDUSTRIAL 321 taught by Professor Memet during the Spring '11 term at Mitchell Technical Institute.

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Arena preliminaries-2 - Graduate Program in Business...

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