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Aug 8 '21 at 22:47 comment added Pierre Ftn I just edited my initial message with an image for a better understanding. I've used real cities and distances on the graph to explain why it can be cheaper to transfer products from factories.
Aug 8 '21 at 22:36 comment added Pierre Ftn Let's imagine the following problem : Factory A can produce product 1 and factory B can produce product 2. But both client for product 1 and 2 are located next to factory B. It can be cheaper to transfer product 1 from Factory A to Factory B, then make a grouped delivery of both products (second vehicle doing Factory B --> Client 1 --> Client2, which is efficient if Client 1 and Client 2 are close)
Aug 8 '21 at 22:32 comment added Pierre Ftn Yes a vehicle can do deliver several clients on one day (we can fix a limit for example 1000km/d). He can also move a product from a factory to another. He can also do both at the same time. For example deliver a product to a client, and another one in a factory.
Aug 8 '21 at 20:13 comment added prubin (1) Can a vehicle make more than one trip in a day, meaning starting point -> factory -> customer -> other customer -> factory (same or different) -> third customer - > fourth customer (or more)? (2) Do the same vehicles also handle moving product from one factory to another factory? (2a) If so, what is the advantage of taking a product to a factory v. taking it straight to the customer (given that distance is unrestricted)?
Aug 7 '21 at 22:13 comment added Pierre Ftn "I assume from the question that a vehicle can visit at most one node in a given time period." It's not necessary! In fact a vehicle will be allowed to have maximum two products on board. It will be used in France and... it's a small country. So delivering in one day is not a problem! So let's say there is no restriction about the distance made in one day. I haven't thought about any inventory variable because each product is unique. It is custom made product. That's why I assimilated a product with its client. Do you think it still is the best solution to introduce inventory? I will test that
Aug 7 '21 at 18:22 history answered prubin CC BY-SA 4.0