The Logic of Logistics. David Simchi-Levi. Xin Chen. Julien Bramel. Theory, Algorithms, and manner, logistics and supply chain models, algorithms, and tools. Nesse texto o autor apresenta uma resenha acerca do livro "The logic of logistics: theory, algorithms and applications for logistics management", de autoria de Julien Bramel e David Simchi-Levi, publicado pela Springer-Verlag, em Discover more publications, questions and. This book, written for the logistics manager and researcher, presents a ISBN ; Digitally watermarked, DRM-free; Included format: PDF.
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David Simchi-Levi •. Xin Chen •. Julien Bramel. The Logic of Logistics. Theory, Algorithms, and Applications for Logistics Management. Third Edition. ^ Springer . The Logic of Logistics: Theory, Algorithms, and Applications for Logistics and Supply Chain Management (Springer Series in Operations Research and Financial. Fierce competition in todays global market provides a powerful motivation for developing ever more sophisticated logistics systems. This book, written for the.
The Logic of Logistics
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Our interactive player makes it easy to find solutions to The Logic of Logistics problems you're working on - just go to the chapter for your book. Hit a particularly tricky question? There may be some intermediaries operating for representative matters between nodes such as sales agents or brokers.
Logistic families and metrics[ edit ] A logistic family is a set of products which share a common characteristic: weight and volumetric characteristics, physical storing needs temperature, radiation, The following metrics may be used by the company to organize its products in different families:  Physical metrics used to evaluate inventory systems include stocking capacity, selectivity, superficial utilization, volumetric utilization, transport capacity, transport capacity utilization.
Monetary metrics used include space holding costs building, shelving and services and handling costs people, handling machinery, energy and maintenance. Other metrics may present themselves in both physical or monetary form, such as the standard Inventory turnover. Handling and order processing[ edit ] Unit loads for transportation of luggage at the airport.
In this case the unit load has protective function. Unit loads are combinations of individual items which are moved by handling systems, usually employing a pallet of normed dimensions.
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Storage systems include: pile stocking, cell racks either static or movable , cantilever racks and gravity racks. Manual picking can be both man to goods, i. Automatic picking is done either with dispensers or depalletizing robots. Sorting can be done manually through carts or conveyor belts, or automatically through sorters.
The Logic of Logistics
Main article: Cargo Cargo, i. Unit loads are usually assembled into higher standardized units such as: ISO containers , swap bodies or semi-trailers. Especially for very long distances, product transportation will likely benefit from using different transportation means: multimodal transport , intermodal transport no handling and combined transport minimal road transport. When moving cargo, typical constraints are maximum weight and volume.
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Operators involved in transportation include: all train, road vehicles, boats, airplanes companies, couriers , freight forwarders and multi-modal transport operators. Merchandise being transported internationally is usually subject to the Incoterms standards issued by the International Chamber of Commerce.
Configuration and management[ edit ] Push-back rack for motorcycles, a LIFO rack system for storage Similarly to production systems, logistic systems need to be properly configured and managed. Actually a number of methodologies have been directly borrowed from operations management such as using Economic Order Quantity models for managing inventory in the nodes of the network.
Traditionally in logistics configuration may be at the level of the warehouse node or at level of the distribution system network. Regarding a single warehouse, besides the issue of designing and building the warehouse, configuration means solving a number of interrelated technical-economic problems: dimensioning rack cells, choosing a palletizing method manual or through robots , rack dimensioning and design, number of racks, number and typology of retrieval systems e.
Some important constraints have to be satisfied: fork and load beams resistance to bending and proper placement of sprinklers.
Although picking is more of a tactical planning decision than a configuration problem, it is important to take it into account when deciding the racks layout inside the warehouse and downloading tools such as handlers and motorized carts since once those decisions are taken they will work as constraints when managing the warehouse, same reasoning for sorting when designing the conveyor system or installing automatic dispensers.
Configuration at the level of the distribution system concerns primarily the problem of location of the nodes in a geographic space and distribution of capacity among the nodes. The first may be referred to as facility location with the special case of site selection while the latter to as capacity allocation. The problem of outsourcing typically arises at this level: the nodes of a supply chain are very rarely owned by a single enterprise. Distribution networks can be characterized by numbers of levels, namely the number of intermediary nodes between supplier and consumer : Direct store delivery , i.
Although configuring a distribution network from zero is possible, logisticians usually have to deal with restructuring existing networks due to presence of an array of factors: changing demand, product or process innovation, opportunities for outsourcing, change of government policy toward trade barriers , innovation in transportation means both vehicles or thoroughfares , introduction of regulations notably those regarding pollution and availability of ICT supporting systems e.
ERP or e-commerce. Once a logistic system is configured, management, meaning tactical decisions, takes place, once again, at the level of the warehouse and of the distribution network. Decisions have to be made under a set of constraints : internal, such as using the available infrastructure, or external, such as complying with given product shelf lifes and expiration dates.
At the warehouse level, the logistician must decide how to distribute merchandise over the racks. Three basic situations are traditionally considered: shared storage, dedicated storage rack space reserved for specific merchandise and class based storage class meaning merchandise organized in different areas according to their access index.
Airline logistic network. Denver works as a hub in the network. Picking efficiency varies greatly depending on the situation. A number of tactical decisions regarding picking must be made: Routing path: standard alternatives include transversal routing, return routing, midpoint routing and largest gap return routing Replenishment method: standard alternatives include equal space supply for each product class and equal time supply for each product class.
Picking logic: order picking vs batch picking At the level of the distribution network, tactical decisions involve mainly inventory control and delivery path optimization.
Note that the logistician may be required to manage the reverse flow along with the forward flow.
Warehouse management and control[ edit ] Although there is some overlap in functionality, warehouse management systems WMS can differ significantly from warehouse control systems WCS. Simply put, a WMS plans a weekly activity forecast based on such factors as statistics and trends , whereas a WCS acts like a floor supervisor, working in real time to get the job done by the most effective means.
For instance, a WMS can tell the system that it is going to need five of stock-keeping unit SKU A and five of SKU B hours in advance, but by the time it acts, other considerations may have come into play or there could be a logjam on a conveyor.
A WCS can prevent that problem by working in real time and adapting to the situation by making a last-minute decision based on current activity and operational status. Can I get help with questions outside of textbook solution manuals?
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Professional logisticians are often certified by professional associations. Picking efficiency varies greatly depending on the situation.
Emergency logistics or Humanitarian Logistics is a term used by the logistics, supply chain, and manufacturing industries to denote specific time-critical modes of transport used to move goods or objects rapidly in the event of an emergency. Now the construction logistics emerged as vital part of construction. Book Description Springer, In this example extending common transportation networks, their warehouse infrastructure and the ability to provide more complex service packages can be achieved by combining resources.
Reviews From the reviews of the second edition: "The present book focuses on the application of operational research and mathematical modelling techniques to logistics and supply chain management SCM problems. Sasaki, — International Hong Xing Oceanfront 11 I announced a second point of my contribution: the link between logistics, infrastructures, the concept of frontier and the transformations of the urban spaces.
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