Table 1.

FE mesh data.

No. of elements	DoF fluid	DoF CDR	Element quality q
58,194	268,401	547,254	>0.81

Degrees of freedom is denoted by DoF, and the quality of the triangular elements is given as $q=\frac{4\sqrt{3}A}{h_1^2+h_2^2+h_3^2}$ (COMSOL, 2008), where A and h_i, i = 1, 2, 3 denote element area and edge lengths, respectively.