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On the resolution of the viscous incompressible flow for various SUPG finite element formulations

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http://hdl.handle.net/2183/367
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  • Investigación (ETSECCP) [826]
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Título
On the resolution of the viscous incompressible flow for various SUPG finite element formulations
Autor(es)
Vellando, Pablo
Puertas, Jerónimo
Bonillo Martínez, Juan José
Fe, Jaime
Data
2000
Cita bibliográfica
ECCOMAS 2000: CD-ROM proceedings
Resumo
[Abstract] A Finite Element based program has been released to solve the steady 2D Navier- Stokes equations. The mixed-variable algorithm is used as a first approach to solve the differential problem. In order to reduce the number of equations, both a penalty and segregated formulation are implemented to give solution to the viscous incompressible flow and their results are compared with the former formulation. The program makes use of a SUPG type algorithm as a stabilisation procedure, in order to eliminate the numerical oscillations, which may appear when the boundary conditions force a sudden change in the solution, without necessarily refining the mesh. The three different algorithms are checked making use of the benchmark problems of the flow in a square cavity, the backward step and the flow past a cylinder. Finally the code is used to solve the flow in some practical problems and their results are commented.
Palabras chave
Viscous incompressible flow
FEM
Navier-Stokes
SUPG
 
Descrición
European Congress on Computational Methods in Applied Sciences and Engineering, Barcelona 11-14 september 2000
ISBN
84-89925-70-4

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