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Distribution Manager

Distribution Manager. Supply Chain Man. (SCM), “Logistics” Transport Plans (Production Plans) Facility Location f.ex. warehouses Network Models: Minimal Spanning Shortest Route, Longest (CPM) Maximal Flow Vehicle Routing Problem. Transport. Transport Model:

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Distribution Manager

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  1. Distribution Manager • Supply Chain Man. (SCM), “Logistics” • Transport Plans (Production Plans) • Facility Location f.ex. warehouses • Network Models: • Minimal Spanning • Shortest Route, Longest (CPM) • Maximal Flow • Vehicle Routing Problem

  2. Transport • Transport Model: • m plants send to n markets, distances, demand and supply known • Transport.xls chapter 5 in W&A • Interpreting “Reduced Costs” • Production Plan with Transport Model

  3. Set Covering • Minimum distance to service • Fire Stations, Ambulances • Taxi Locations? Kilroy-dæmið • Example: LocatingHubs.xls in ch 6 in W&A: • Airline Company, “hub” system

  4. Facility Location • Positioning w.r.t. Distances etc • Multi Criteria: GP, AHP method • Gravity Method (GIS) • Addition to the Transport Model • See LocatingServiceCenters.xls and FixedCostTransportation.xls in ch 6 in W&A

  5. Facility Location & MPL • MPL from Maximal Software • Applications in Iceland: • Milk Processing Industry (slides on web) • Locating ESSO Oil Depots • Garbage Processing (slides on web) • Ambulance Locations in Reykjavik (MSc Thesis Margrét Marís Leifsdóttir)

  6. Network Models • Minimal Spanning • Shortest Route • Longest Route, Project Plans (CPM) • Maximal Flow • Minimal Cost • Vehicle Routing

  7. Network Basics • Nodes & arcs • Directed arcs • Paths, cycles • Tree, spanning tree • Flow, arc capacity • Sources, sinks • Transshipment nodes (netto = 0)

  8. Network Example

  9. Minimal Spanning • Telecomm cables, computer networks • Road System (light traffic) • Electrical Lines • Pipelines

  10. Shortest Route • Distribution of goods • See ShortestPath.xls in ch 5 in W&A • MachineReplacement • See Equipment Replacement in ch 5 in W&A • Ex 55 page 276 in W&A

  11. Max Flow • “Maximal Flow” • Production System Logistics • Finding the Bottlenecks • Road Systems (heavy traffic) • Telephone System Traffic • Hot Water Pipelines

  12. Minimal Cost • “Min Cost Net Flow” • Distribution System (plants, warehouses, markets) • Cash Flow • See Redbrand.xls in ch 5 in W&A

  13. VRP • VRP, “Vehicle Routing Problem” • Cargo Capacity • Time Windows • Savings Method (Clarke & Wright) • See VRP example • Shortrec, AGR hf

  14. TSP • TSP, “Travelling Salesman Problem” • Finding the shortest ringroute • Stop once each place • Job sequencing, min setup times • MPL solution

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