Geodesic
A new approach to the particle-in-cell method for the computation of three-dimensional incompressible unsteady flows
F. Buron1 ; L. Pérault1
1Laboratoire d'Etudes Aérodynamiques de l'université de Poitiers UMR CNRS 6609 Ecole Nationale Supérieure de Mécanique et d'Aérotechnique 86960 Futuroscope Cedex, France
ESAIM. Proceedings, Tome 7 (1999), pp. 80-93

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A hybrid three-dimensional particle-in-cell (PIC) method is proposed. This 3D PIC technique combined with a classical three-dimensional vortex particle method is applied to the calculation of unsteady inviscid and incompressible flow. More precisely the wake roll-up behind an inclined flat plate is studied. A spreading procedure of the vorticity, a direct interaction between nodes of the grid and a mesh generated from the plate discretization present a few undesirable grid effects, but ensure a continuous application of the slip condition to the plate. In this way the total circulation is nearly conserved and, in the case of a separated flow at high angle of attack, the particles are prevented from crossing the wing. Numerical results are compared with experiment for several angles of attack and aspect ratios.
DOI : 10.1051/proc:1999008

F. Buron  1   ; L. Pérault  1

1 Laboratoire d'Etudes Aérodynamiques de l'université de Poitiers UMR CNRS 6609 Ecole Nationale Supérieure de Mécanique et d'Aérotechnique 86960 Futuroscope Cedex, France 
F. Buron; L. Pérault. A new approach to the particle-in-cell method for the computation of three-dimensional incompressible unsteady flows. ESAIM. Proceedings, Tome 7 (1999), pp. 80-93. doi: 10.1051/proc:1999008
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     title = {A new approach to the particle-in-cell method for the computation of three-dimensional incompressible unsteady flows},
     journal = {ESAIM. Proceedings},
     pages = {80--93},
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     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/proc:1999008/}
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