An overview of the parallel evolution of computations and experiments in fluid dynamics in the context of turbulent flows is given, viewed from an experimental side. It is evident that experiments can no longer be seen as only validations for computations and that forecasting for “numerical wind tunnels” is not yet valid. The growing evidence of organized motions in turbulent flows pushes in parallel both experiments and numerical approaches to develop new measurement technologies and numerical methods. Many tools and concepts are shared both by experiments and computations. These approaches appear to be quite complementary and both communities will gain from the mutual fertilization.
Une mise en perspective de l’évolution parallèle des calculs et des expériences en dynamique des fluides en régime turbulent est présentée depuis un point de vue d’expérimentateur. Il apparait que les expériences ne peuvent pas être considérées comme de simples éléments de validation des calculs et que la prédiction de l’avenir des « souffleries numériques » n’est actuellement pas pertinente. La mise en évidence de l’importance du caractère organisé des écoulements turbulents a conduit au développement quasi parallèle des technologies des approches expérimentales et des méthodes numériques. De nombreux outils et concepts sont partagés par les expérimentateurs et les numériciens. Ces approches apparaissent très complémentaires et les deux communautés devraient profiter de leurs complémentarités pour accroitre les échanges dans une fertilisation mutuelle.
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Mots-clés : Mécanique des fluides numérique, Expériences, Turbulence, DNS, LES, HWA, PIV
Jean Paul Bonnet 1
@article{CRMECA_2022__350_S1_9_0, author = {Jean Paul Bonnet}, title = {Experimental and {Computational} {Fluid} {Dynamics:} decades of \protect\emph{turbulent} {EFD/CFD} complementarity}, journal = {Comptes Rendus. M\'ecanique}, pages = {9--22}, publisher = {Acad\'emie des sciences, Paris}, volume = {350}, number = {S1}, year = {2022}, doi = {10.5802/crmeca.113}, language = {en}, }
TY - JOUR AU - Jean Paul Bonnet TI - Experimental and Computational Fluid Dynamics: decades of turbulent EFD/CFD complementarity JO - Comptes Rendus. Mécanique PY - 2022 SP - 9 EP - 22 VL - 350 IS - S1 PB - Académie des sciences, Paris DO - 10.5802/crmeca.113 LA - en ID - CRMECA_2022__350_S1_9_0 ER -
Jean Paul Bonnet. Experimental and Computational Fluid Dynamics: decades of turbulent EFD/CFD complementarity. Comptes Rendus. Mécanique, More than a half century of Computational Fluid Dynamics, Volume 350 (2022) no. S1, pp. 9-22. doi : 10.5802/crmeca.113. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.5802/crmeca.113/
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