Analysis and implementation of non-Newtonian models in FreeFlow-2D system. / Análise e implementação de modelos não newtonianos no sistema FreeFlow-2D
AUTOR(ES)
Ricardo da Silva Siquieri
DATA DE PUBLICAÇÃO
2002
RESUMO
This work presents an extention of the Freeflow-2D system to non-Newtonian free surface flows. The governing equations are solved by the finite difference method on a staggered grid. Marker particles are used to describe the fluid providing the location and the visualization of the free surface. The methodology employed is based on the GENSMAC method. The fluid is modelled by the Cross and power-law models. Numerical examples are presented. The code is validated by making a comparison between analytical and numerical solutions
ASSUNTO(S)
escoamentos com superficie livre escoamentos não newtonianos numerical simulation free surface flows modelo de cross computational fluid dynamics dinâmica dos fluidos computacionais power-law simulação numérica non-newtonian flows cross model
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