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Change Density, Momentum, Turbulence Kinetic Energy, Turbulence Dissipation Rate, and Energy all to Second Order Upwind. Leave Pressure and Pressure-Velocity Coupling set to the default methods (Standard and SIMPLE, respectively). The other Pressure and Pressure-Velocity Coupling methods are useful for flows with particular characteristics not present in our problem. Image Added
 
Click OK.

Set Initial Guess

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In the Solution Initialization window that comes up, choose inflow under Compute From. The X Velocity for all cells will automatically be set to 1 m/s, the Y Velocity to 0 m/s and the Gauge Pressure to 0 Pa. These values have been taken from the inflow boundary condition. Image Added
 
Click Init. This completes the initialization. Then click Close.

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Also, under Options, select Print and Plot. This will print the residuals in the main window and plot the residuals in the graphics window as they are calculated. Image Added
 
Click OK.

This completes the problem specification. Save your work:

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In the Iterate Window, change the Number of Iterations to 10000. Click Iterate. Image Added
 
The residuals for each iteration are printed out as well as plotted in the graphics window as they are calculated. Image Added
 
(Click picture for larger image)

The residuals fall below the specified convergence criterion of 1e-6 in approximately 1623 iterations. Image Added
 
Save the solution to a data file:

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