Banca de QUALIFICAÇÃO: KARINA SALATIEL DO NASCIMENTO

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : KARINA SALATIEL DO NASCIMENTO
DATE: 28/04/2023
TIME: 15:00
LOCAL: https://conferenciaweb.rnp.br/webconf/hersilia-de-andrade-e-santos
TITLE:

FLOOD MAPPING FROM STUDIES OF HYPOTHETICAL FAILURE OF A TAILINGS DAM: AN ANALYSIS OF THE TYPE OF FLUID CONSIDERED AND DIFFERENT HYDRODYNAMIC MODELS

KEY WORDS:

Manning coefficient, non-Newtonian fluids, wave arrival time

PAGES: 50
BIG AREA: Engenharias
AREA: Engenharia de Minas
SUBÁREA: Tratamento de Minérios
SUMMARY:

The inaccuracies in the flood mapping generated in dam break studies is associated with factors such as the rheological fluid classification and the roughness coefficient. The strain rate and shear stress of tailings are not constant and the tailing mud viscosity may be viscoelastic, which are characteristic behavior of non-Newtonian fluids. The complex geotechnical and hydraulic characteristics of this material impose on dam break numerical models a challenge as to the type of aspect to consider in the software available for such purposes. Thus, the objective of this work is to perform a statistical analysis of the influence of the type of fluid considered in a hypothetical dam break model, characterizing the uncertainties from the delimitation of the flood mapping, wave arrival time and flow velocity. Furthermore, it is intended to perform a descriptive analysis between the rupture hydrograms generated by two distinct tools, EMBREA-MUD and HEC HMS. From the hydrograms obtained, the two-dimensional hydrodynamic model of the non-Newtonian and Newtonian mudflow will be generated in HEC-RAS software.

COMMITTEE MEMBERS:
Presidente - HERSILIA DE ANDRADE E SANTOS
Interno - MARIO GUIMARAES JUNIOR
Externa à Instituição - RAFAELA BALDI FERNANDES