Lattice Boltzmann (LB) method is considered versus classical discretisation approaches to solve the problem of heat and fluid flow. The work considers situations with symmetry breaking for low Prandtl number fluids flowing in enclosures interesting directional solidification industry. The computed results demonstrate a good LB method's ability to captivate flow bifurcation thresholds. Particularly cavities exhibiting bifurcation sequences are considered and results are consistent with prior observations.
L'approche gaz sur réseaux est comparée aux méthodes de discrétisation classiques pour résoudre le problème de transferts de chaleur et d'écoulement. Le travail considère des situations de faible nombre de Prandtl avec brisure de symétrie dans des cavités intéressant des configurations de solidification dirigée. Les résultats illustrent un bon accord avec les scénarios existants dans le cas d'écoulements avec bifurcation.
Accepted:
Published online:
Mot clés : Milieux continus, Brisure de symétrie, Gaz sur réseau
Mohammed El Ganaoui 1; R. Djebali 1
@article{CRMECA_2010__338_2_85_0, author = {Mohammed El Ganaoui and R. Djebali}, title = {Aptitude of a lattice {Boltzmann} method for evaluating transitional thresholds for low {Prandtl} number flows in enclosures}, journal = {Comptes Rendus. M\'ecanique}, pages = {85--96}, publisher = {Elsevier}, volume = {338}, number = {2}, year = {2010}, doi = {10.1016/j.crme.2009.12.008}, language = {en}, }
TY - JOUR AU - Mohammed El Ganaoui AU - R. Djebali TI - Aptitude of a lattice Boltzmann method for evaluating transitional thresholds for low Prandtl number flows in enclosures JO - Comptes Rendus. Mécanique PY - 2010 SP - 85 EP - 96 VL - 338 IS - 2 PB - Elsevier DO - 10.1016/j.crme.2009.12.008 LA - en ID - CRMECA_2010__338_2_85_0 ER -
%0 Journal Article %A Mohammed El Ganaoui %A R. Djebali %T Aptitude of a lattice Boltzmann method for evaluating transitional thresholds for low Prandtl number flows in enclosures %J Comptes Rendus. Mécanique %D 2010 %P 85-96 %V 338 %N 2 %I Elsevier %R 10.1016/j.crme.2009.12.008 %G en %F CRMECA_2010__338_2_85_0
Mohammed El Ganaoui; R. Djebali. Aptitude of a lattice Boltzmann method for evaluating transitional thresholds for low Prandtl number flows in enclosures. Comptes Rendus. Mécanique, Volume 338 (2010) no. 2, pp. 85-96. doi : 10.1016/j.crme.2009.12.008. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2009.12.008/
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