Fig. 1

(a) Physical model and Mesh generation of the square cavity of the present study. Positions of cylinders are C1=(3*H/4,3*H/4), C2=(H/4,3H/4), C3=(H/4,H/4). (b) Methodological workflow for COMSOL multiphysics.
(a) Physical model and Mesh generation of the square cavity of the present study. Positions of cylinders are C1=(3*H/4,3*H/4), C2=(H/4,3H/4), C3=(H/4,H/4). (b) Methodological workflow for COMSOL multiphysics.