Adaptive Cartesian Meshes for Atmospheric Single-Column Models, a study using Basilisk 18-02-16 - Fluides Complexes et Instabilités Hydrodynamiques Accéder directement au contenu
Article Dans Une Revue Geoscientific Model Development Année : 2018

Adaptive Cartesian Meshes for Atmospheric Single-Column Models, a study using Basilisk 18-02-16

Résumé

It is well known that the representation of certain atmospheric conditions in climate and weather models can still suffer from the limited grid resolution that is facilitated by modern-day computer systems. Herein we study a simple one-dimensional analogy to those models by using a Single-Column Model description of the atmosphere. The model employs an adaptive Cartesian mesh that applies a high-resolution mesh only when and where it is required. The so-called adaptive-grid model is described and we report on our findings obtained for tests to evaluate the representation of the atmospheric boundary 5 layer, based on the first two GABLS intercomparison cases. The analysis shows that the adaptive-grid algorithm is indeed able to dynamically coarsen and refine the numerical grid whilst maintaining an accurate solution. This is an interesting result as in reality, transitional dynamics (e.g. due to the diurnal cycle or due to changing synoptic conditions) are the rule rather than the exception.
Fichier principal
Vignette du fichier
gmd-ACMASCM-accepted-manuscript.pdf (1.26 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-01922980 , version 1 (14-11-2018)

Identifiants

Citer

J Antoon van Hooft, Stéphane Popinet, Bas J. H. van de Wiel. Adaptive Cartesian Meshes for Atmospheric Single-Column Models, a study using Basilisk 18-02-16. Geoscientific Model Development, 2018, 11 (12), pp.4727-4738. ⟨10.5194/gmd-11-4727-2018⟩. ⟨hal-01922980⟩
118 Consultations
151 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More