The general procedure for setting flow boundary conditions in Ansys Polydata is presented below:
- Select the Flow boundary conditions menu item in the sub-task menu.  Flow boundary conditions Flow boundary conditions- Ansys Polydata will update the display to show the default boundary conditions, as shown in Figure 7.1: The Flow boundary conditions Panel. 
- Select the boundary section (boundary set or intersection with an adjacent subdomain) for which you want to set the conditions. 
- Click Modify. Ansys Polydata will display a menu of boundary condition choices that are appropriate for the selected boundary section. 
- Choose the boundary condition you want to impose, and set the related parameters as described in the corresponding section of this chapter. 
