Author: Rajesh Bhaskaran & Yong Sheng Khoo, Cornell University Problem Specification |
Let's plot the velocity vectors obtained from the FLUENT solution.
Display > Vectors
Set the Scale to 14 and Skip to 4. Click Display.
From this figure, we see that there is a region of low velocity and recirculation at the back of cylinder.
Let's plot pressure coefficient vs x-direction along the cylinder.
Pressure Coefficient is a dimensionless parameter defined by the equation
where p is the static pressure, p ref is the reference pressure, and q ref
is the reference dynamic pressure defined by 1/2 * p ref v ref 2
Now, let's take a look at the Contour of Pressure Coefficient variation around the cylinder.
Display > Contours
Under Contours of, choose Pressure.. and Pressure Coefficient. Select the Filled option. Increase the number of contour levels plotted: set Levels to 100
.
Click Display.
Because the cylinder is symmetry in shape, we see that the pressure coefficient profile is symmetry between the top and bottom of cylinder.
Now, let's take a look at the Stream Function.
Display > Contours
Under Contours of, choose Velocity.. and Stream Function. Deselect the Filled option. Click Display.
Enclosed streamlines at the back of cylinder clearly shows the recirculation region.
Let's take a look at the Pressure Coefficient variation around the cylinder. Vorticity is a measure of the rate of rotation in a fluid.
Display > Contours
Under Contours of, choose Velocity.. and Vorticity Magnitude. Deselect the Filled option. Click Display.
Go to Step 7: Refine Mesh
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