“…At the outlet boundary, it is supposed that the flow is fully developed and zero gradients are imposed there. The results are compared with the k-e solution of Sohn [36], k-e solution of Darbandi et al [37], and Kim's experiment [35]. References [36] and [37] employ 22 Â 16 nine-node quadrilateral elements (or 1485 nodes) and 12951 nodes, respectively, to discretize their 2D solution domains; however, the number of current nodes in the main plane is 13741.…”