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Warehouse Model at the Athletic Shoe Company

Warehouse Model at the Athletic Shoe Company. Anh Pho & Gail Savage Simulation & Modeling Analysis (DSES 6220) Professor: Ernesto Gutierrez-Miravete 12-21-00. Introduction. Project is based on Case #3 in Harrell Warehouse modeling problem Project involves 2 tasks

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Warehouse Model at the Athletic Shoe Company

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  1. Warehouse Model at the Athletic Shoe Company Anh Pho & Gail Savage Simulation & Modeling Analysis (DSES 6220) Professor: Ernesto Gutierrez-Miravete 12-21-00

  2. Introduction • Project is based on Case #3 in Harrell • Warehouse modeling problem • Project involves 2 tasks • Designing shoe storage area • Modeling customer shipments process & stock receiving process

  3. Shoe Storage System • Needs to fit in physical space • Needs to hold 3,000,000 pairs of shoes with 3,000 different SKUs • Designed bin storage able to hold 112 prs.

  4. Storage System Layout

  5. Simulation Model • Shipping Process • Entity is the customer order • Filled by a single filler • Stock Receiving Process • Entity is the receiving order • Stocking is done by a single “put away guy”

  6. Assumptions • All SKUs are equally shipped • Warehouse is fully stocked at beginning • Receiving arrival rate and shipping arrival rate are the same • No down time • Fillers and “put away guys” have the same service rate • Warehouse runs 24 hours/day

  7. The Simulation Model • Reduced model • Model elements

  8. Verification/Validation • Verification • Found syntax errors • Watch model animation • Semantic errors • Watch selective trace runs • Validation • Watch model animation behavior • Counter values • ProModel demo program

  9. Performance Metrics

  10. Resource Utilization

  11. Conclusion • Storage area was designed • Model was created, verified and validated • Meets all current performance metrics • Can be used to perform “what ifs” for future demands

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