Step 2: General Settings

General

1.   Check the mesh.

General Check

   ANSYS FLUENT will perform various checks on the mesh and report the progress in the console. Ensure that the reported minimum volume is a positive number.

2.   Scale the mesh.

General Scale...

(a)   Select mm from the View Length Unit In drop-down list.

  The Domain Extents will be reported in mm.

(b)   Select mm from the Mesh Was Created In drop-down list.

(c)   Click Scale and close the Scale Mesh dialog box.

3.   Check the mesh.

General Check

Note:   It is good practice to check the mesh after manipulating it (scale, convert to polyhedra, merge, separate, fuse, add zones, or smooth and swap).

4.   Examine the mesh.

Figure 6.2: Graphics Display of Mesh

5.   Change the unit of temperature to centigrade.

General Units...

(a)   Select temperature from the Quantities selection list.

(b)   Select c from the Units selection list.

(c)   Close the Set Units dialog box.

6.   Retain the default solver settings.

General

7.   Enable Gravity.

(a)   Enter -9.81  ${\rm m/s}^{2}$ for Gravitational Acceleration in the Y direction.