...
At this point, everything is set up properly. We just need to give an initial condition for FLUENT to start the calculation.
Solution > Solution Initialization
Under Compute from, select Inlet and click Initialize.
Now we can solve for a solution.
Solution > Run Calculation
Enter 500 for Number of Iterations and click Calculate. You will see a window message saying Calculating the solution... Wait for FLUENT to finish the calculation.