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Three dimensional flow simulations with the finite element technique over a multi-stage rocket

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Three dimensional flow simulations with the finite element technique over a multi-stage rocket

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Título Three dimensional flow simulations with the finite element technique over a multi-stage rocket
Autor Scalabrin, Leonardo Costa
Azevedo, João Luiz Filgueiras de
Teixeira, Paulo Roberto de Freitas
Awruch, Armando Miguel
Abstract Aerodynamic flow simulations over the first Brazilian satellite launch vehicle, VLS, during its first-stage flight are presented. The three dimensional compressible flow is modeled by the Euler equations and a Taylor-Galerkin finite element method with artificial dissipation is used to obtain the numerical solution. Transonic and supersonic results for zero angleof- attack are presented and compared to available experimental results. The influence of mesh refinement and artificial dissipation coeffcient on the transonic flow results are discussed. The results obtained for the supersonic simulations present good agreement with experimental data. The transonic simulation results capture the correct trends but they also indicate that this flight condition requires more refined meshes.
Contido em Journal of the Brazilian Society of Mechanical Sciences and Engineering. Rio de Janeiro, RJ. Vol. 26, no. 2 (Apr./June 2004), p. 107-116
Assunto Fluidos compressíveis : Simulação : Elementos finitos
Mecanica dos fluidos
[en] Aeronautical engineering
[en] Computational fluid dynamics
[en] Finite element technique
[en] Supersonic flows
[en] Taylor-Galerkin method
[en] Transonic flows
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/75780
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