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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.2008.tde-11092008-113640
Document
Author
Full name
Eduardo Hwang
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2008
Supervisor
Committee
Saltara, Fábio (President)
Hernández López, José Ignacio
Meneghini, Julio Romano
Title in Portuguese
Simulação numérica de escoamentos: uma implementação com o método Petrov-Galerkin.
Keywords in Portuguese
Escoamento (simulação numérica)
Método Petrov-Galerkin
Abstract in Portuguese
O método SUPG ("Streamline Upwind Petrov-Galerkin") é analisado quanto a sua capacidade de estabilizar oscilações numéricas decorrentes de escoamentos convectivo-difusivos, e de manter a consistência nos resultados. Para esta finalidade, é elaborado um programa computacional como uma implementação algorítmica do método, e simulado o escoamento sobre um cilindro fixo a diferentes números de Reynolds. Ao final, é feita uma revelação sobre a solidez do método. Palavras-chave: escoamento, simulação numérica, método Petrov- Galerkin.
Title in English
Numerical simulation of flows: an implementation with the Petrov-Galerkin method.
Keywords in English
Flow
Numerical simulation
Petrov-Galerkin method
Abstract in English
The "Streamline Upwind Petrov-Galerkin" method (SUPG) is analyzed with regard to its capability to stabilize numerical oscillations caused by convective-diffusive flows, and to maintain consistency in the results. To this aim, a computational program is elaborated as an algorithmic implementation of the method, and simulated the flow around a fixed cylinder at different Reynolds numbers. At the end, a revelation is made on the method's robustness. Keywords: flow, numerical simulation, Petrov-Galerkin method.
 
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hwang.pdf (4.78 Mbytes)
Publishing Date
2008-09-22
 
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