• Aucun résultat trouvé

Drag-model sensitivity of Kelvin-Helmholtz waves in canopy flows

N/A
N/A
Protected

Academic year: 2021

Partager "Drag-model sensitivity of Kelvin-Helmholtz waves in canopy flows"

Copied!
16
0
0

Texte intégral

Loading

Figure

FIG. 1. Configuration studied with main notations.
FIG. 2. Left frame: mean flow U, together with experimental data points, 15 its first derivative, and drag coe ffi cient distribution (case G)
FIG. 3. Moduli of direct (left frame) and adjoint (right frame) eigenfunctions for the viscous (continuous lines, Re = 3450) and the inviscid (symbols) case, in correspondence to the wavenumber of largest amplification.
FIG. 4. Real and imaginary parts of the sensitivities to mean flow variations (top) and to variations in the drag distribution function (bottom), for the parameters of Fig
+5

Références

Documents relatifs

L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des

Furthermore, the neutral modes, associated to propagating wave instabilities, correspond to gravity waves with infinite critical level reflection and transmission

- Heargraves ET o can be used to simulate crop yields  only 3 parameters needed (minimum and maximum temperatures, and extraterrestrial radiation)  only mean temperatures

This timing suggests (1) a very fast cli- matic response over the Arctic and Northern Eurasia, which is probably related to an atmospheric stationary wave change amplified by

The pitch angle feature of the negative jet further confirms that the magnetosheath electrons cross the magnetopause along the reconnected magnetic field lines, and the

5.3 Parameter estimation results of Greenland Halibut female fish based on the SEV VonB G-Normal mixture BI model for different assumed values of ME in age (σ a u ).. The results

Bien que satisfaisante sur des picoeucaryotes photosynthétiques en culture, l’application de cette technique sur des échantillons provenant du milieu naturel n’a pas

Même dans lès entreprises du secteur des NTIC, entre autres celles des services informatiques, les dépenses consaôrées à la formation et au perfectionnement de la main-d’oeuvre