Solution of a Contaminant Transport Problem in Water Bodies Using the Finite Volume Method
Abstract
As water is one of the fundamental resources for the quality of life and existence of future generations, environmental preservation becomes the duty of every human being. However, the existence of some type of pollution in most rivers in Brazil is noteworthy and, faced with situations like this worldwide, the United Nations itself emphasizes the importance of having an excellent control over the quality of these water bodies. Thus, the present work sought to simulate a scenario of accidental pollution in the watercourse, in order to formulate and implement a mathematical model, in which its numerical result approaches the real problem about the transport of contaminants in rivers, with data experimental results obtained in fieldwork carried out on the São Pedro River, which is located in the mountainous region of the State of Rio de Janeiro. For the modeling, we used a one-dimensional mathematical model solved using the Finite Volume Method, with the explicit and implicit formulations, which are based on multiple integrals and Taylor series. The numerical results were observed to be close to the real problem related to the transport of contaminants in rivers.
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