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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2002.tde-29112002-164102
Document
Author
Full name
Maria Luísa Bambozzi de Oliveira
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2002
Supervisor
Committee
Castelo Filho, Antonio (President)
Karam Filho, José
Tome, Murilo Francisco
Title in Portuguese
FREEFLOW-AXI: um ambiente de simulação de escoamentos axissimétricos com superfícies livres.
Keywords in Portuguese
ângulo de contato
axissimétrico
GENSMAC
Navier-Stokes
superfície livre
tensão superficial
Abstract in Portuguese
Este trabalho apresenta um ambiente de simulação de escoamentos com simetria radial e superfícies livres, baseado no sistema Freeflow. O sistema é formado por três módulos: um modelador de moldes, um simulador e um visualizador de escoamentos. O simulador implementa o método GENSMAC para a solução das equações de Navier-Stokes em coordenadas cilíndricas, utilizando diferenças finitas em uma malha diferenciada. São introduzidos os efeitos da tensão superficial e do ângulo de contato nas simulações com simetria radial. Alguns resultados de simulações utilizando este sistema e uma validação do código são apresentados, comparando simulações com soluções analíticas e experimentais, e estudando a convergência do método.
Title in English
FREEFLOW-AXI: an axisymmetric free surface flow simulation system.
Keywords in English
axisymmetric
contact angle
free surface
surface tension
Abstract in English
This work presents an environment for the simulation of axisymmetric free surface flows, based on the Freeflow system. The system contains three modules: a geometric model modeller, a simulator and a visualizator. The simulator implements the GENSMAC method for the solution of the Navier-Stokes equations in cylindrical coordinates, using finite differences in a staggered grid. The effects of surface tension and contact angle are introduced in the axisymmetric simulations. Some results from simulations using this system and a validation of the code are presented, comparing the simulations with analytical and experimental solutions, and studying the convergence of the method.
 
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freeflowaxi.pdf (2.14 Mbytes)
Publishing Date
2003-02-05
 
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