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Call Centers are important channels of communication within the consumer relationship and a point of integration between suppliers and their customers. Correctly sizing the capacity of a given Call Center can bring benefits not only in terms of improved customer service (efficacy), but also in terms of reduced operating costs (efficiency). However, specifying the capacity of a Call Center is not a...
This article is focused on the design and implementation of an operational simulation model (OSM) of the handling of raw material in an integrated steel making plant, considering operations of receiving, unloading, stocking, handling and supplying the different raw materials related to the production process with an operational perspective. The aim of this focus is to help in the decision making of...
One of the most important challenges for mining engineers is to correctly analyze and generate short-term planning schedules, or simply month mining plan. The objective is to demonstrate how simulation and optimization models were combined, with simultaneous execution, in order to achieve a feasible, reliable and accurate solution for this problem. A tool based on Arena simulation software and Lingo...
The modeling of systems mixing discrete and continuous behavior is a challenge for model builders. Sometimes, the continuous part is important, but small near the complex decision making situation involved, and the requirement to learn new tools to model that continuous part is an obstacle that delays the project. This paper presents a technique to model continuous behavior using just discrete modeling...
Companhia Sidenirgica de Tubarao CST, is investing to expand production level in 50%, adding new equipment and altering production process. Simulation is widely used in CST, mainly in strategic phases prior to capital investment. A previous simulation model developed with ARENA was enhanced to help CST achieve new goals: to analyze new process plan with operational details, testing different production...
The railroad is one of the best options for long distance and high volume transportation. Many studies have been developed to determine the best way to use the available infrastructure (tracks, locomotives, etc.) or the best procedures to block trains or schedule its departures. This study presents an experience made with a reusable simulation tool specially designed to evaluate the impact of infrastructure...
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