Controlador do HEC-RAS para automatização das simulações de transporte de sedimentos
Abstract
O assoreamento em reservatórios deve ser considerado como um processo estocástico, devido às inúmeras incertezas envolvidas em seus parâmetros, além de sua variabilidade espaço-temporal. Entretanto, o Hydrologic Engineering Center's River Analysis System (HEC-RAS), o qual é um software amplamente utilizado na área de recursos hídricos, estima a sedimentação de forma determinística. Nesse sentido, o objetivo deste trabalho foi desenvolver códigos computacionais que permitam controlar o HEC-RAS para que se estime estocasticamente a sedimentação em reservatórios. Para isso, foi realizado um estudo de caso utilizando os dados do modelo reduzido de uma Pequena Central Hidrelétrica (PCH). Após o desenvolvimento dos códigos foi possível preencher automaticamente o HEC-RAS com milhares de séries sintéticas de dados hidrossedimentológicos. Por fim, também automaticamente, foram obtidos milhares de resultados do assoreamento que ocorreu no perfil longitudinal do reservatório e os quartis de probabilidade do assoreamento para cada seção transversal simulada.
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