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Descripción
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| Highly resolved solutions of the two-dimensional incompressible Navier- Stokes and continuity equations, describing the evolution of vortex systems, have been obtained accurately and efficiently by spectral collocation methods. Such solutions have formed the basic state for subsequent three-dimensional BiGlobal eigenvalue problem (EVP) linear instability analyses, which monitor the modal response of these vortical systems to small-amplitude perturbations, periodic along the homogeneous axial spatial direction, without the need to invoke an assumption of azimuthal spatial homogeneity. A spectral/hp methodology has been adapted to study instability of vortical flows and has been validated on the isolated Batchelor vortex. Subsequently, a stability analysis of an aircraft wake model, composed of two counter-rotating vortices, has been performed by the present spectral/hp element methodology. | |
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Internacional
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Si |
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Nombre congreso
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ICOSAHOM 09 |
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Tipo de participación
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960 |
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Lugar del congreso
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Norway |
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Revisores
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Si |
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ISBN o ISSN
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0000000000000 |
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DOI
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Fecha inicio congreso
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22/06/2009 |
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Fecha fin congreso
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26/06/2009 |
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Desde la página
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1 |
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Hasta la página
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8 |
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Título de las actas
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Lecture Notes in Computational Science and Engineering |