364 resultados para Modelagem computacional


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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In this term paper is studied the use of models and analogies and it's influences in the study of chemistry, for learning and understanding of concepts related to the kinetic theory of gases. It was developed an activity with students of high school second year, enrolled in a State school, in the city of Bauru-SP. It was built and developed a model using the mechanical vertical model scheme, based on the proposal of Professor Luiz Ferraz Netto, for the teaching of the kinetic theory of gases. It was applied a questionary to evaluate the effect of the model in the classroom, and the analysis of data was done in descriptive qualitative way. It was verified that the methodology favored the development of conceptual understanding, demonstrating significant results on the theme of learning

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The water management in any area is highly important to the success of many business and also of life and the understanding of your relationship with the environment brings better control to its demand. I.e. hydrogeological studies are needed under better understanding of the behavior of an aquifer, so that its management is done so as not to deplete or harm it. The objective of this work is the numerical modeling in transient regime of a portion of the Rio Claro aquifer formation in order to get answers about its hydrogeological parameters, its main flow direction and also its most sensitive parameters. A literature review and conceptual characterization of the aquifer, combined with field campaigns and monitoring of local water level (NA), enabled the subsequent construction of the mathematical model by finite elements method, using the FEFLOW 6.1 ® computational algorithm. The study site includes the campus of UNESP and residential and industrial areas of Rio Claro city. Its area of 9.73 km ² was divided into 318040 triangular elements spread over six layers, totaling a volume of 0.25 km³. The local topography and geological contacts were obtained from previous geological and geophysical studies as well as profiles of campus wells and SIAGAS / CPRM system. The seven monitoring wells on campus were set up as observation points for calibration and checking of the simulation results. Sampling and characterization of Rio Claro sandstones shows up a high hydrological and lithological heterogeneity for the aquifer formation. The simulation results indicate values of hydraulic conductivity between 10-6 and 10-4 m / s, getting the Recharge/Rainfall simulation in transient ratio at 13%. Even with the simplifications imposed on the model, it was able to represent the fluctuations of local NA over a year of monitoring. The result was the exit of 3774770 m³ of water and the consequently NA fall. The model is considered representative for the...

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The chemistry is a science little adored by students, because it is a modeling science. The study in chemistry needs a little of abstraction to be able to view something that can not being viewed, that is why chemistry uses many models and tools. The periodic table is a tool useful, but complicated to be understood, where many students end up just decorating for a test, and losing interest in class. The use of ludic games is a way to facilitate the teaching-learning process, because a game has rules to be followed, so the student will get involved to the content to be studied in addition to having to respect rules. Therefore, it is needed that teachers make their lectures more attractive for their students. This work has analyzed an alternative method for teaching the periodic table using basic computer resources, in order to propose a ludic game to a different class, seeking to get the students attention in order to facilitate the understanding of the content

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Matemática em Rede Nacional - IBILCE

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Fundação de Apoio à Pesquisa do Estado de São Paulo (FAPESP)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Considering the high competitiveness in the industrial chemical sector, demand forecast is a relevant factor for decision-making. There is a need for tools capable of assisting in the analysis and definition of the forecast. In that sense, the objective is to generate the chemical industry forecast using an advanced forecasting model and thus verify the accuracy of the method. Because it is time series with seasonality, the model of seasonal autoregressive integrated moving average - SARIMA generated reliable forecasts and acceding to the problem analyzed, thus enabling, through validation with real data improvements in the management and decision making of supply chain