Orlando Fontes Lima

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This paper deals with the collaborative maritime transportation problem which can be modeled with two different approaches: System Dynamics (SD) and Agent Based Modeling and Simulation (ABMS). In the literature concerning this topic they are indicated to model systems containing large numbers of active objects (industries, people, vehicles, warehouses,(More)
The objective of this study is to investigate a phenomenon that occurs in Brazil, specifically the spike in demand at the end of the sales period, known as the hockey stick phenomenon. This analysis will encompass the causes as well as the impacts of this phenomenon, in a way that allows alternative policies to be evaluated. Data was collected from a(More)
This paper presents a performance evaluation of different communication schemes applied to the parallelization of the Conjugate Gradient (CG) method. The parallel implementations employ the MPI (Message Passing Interface) communication library and are based on C++ object-oriented sequential version, previously developed at the Laboratório de Engenharia(More)
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