Page 232 - Finite Element Analysis with ANSYS Workbench

11.3 Academic Example 223

command is used to take away the circular region from the
rectangular region. The procedure to subtract a region from
another is the same as constructing a plate with a circular
cutout as explained in chapter 4.

 Next, the boundary names of the flow inlet, flow outlet and
cylinder edge are assigned as Inlet, Outlet and Cylinder,
respectively. This will provide the convenience in applying
boundary conditions later.

 A mesh representing the flow domain is then constructed as
shown in the figure. The mesh consists mostly of quadri-
lateral elements with few triangular elements.