14. We run a CFD simulation with Ansys Fluent and Figure 3 shows the residuals of the three equations (at the left-hand top) during iterations. a) If the simulation stops after 50 iterations, what is the error in each equation? (The error is plotted in logarithmic scale. Draw on the graph and give an approximate value) b) Since our residuals have fallen below the required tolerance of le-6, can we assume that we have an accurate solution to the fluid flow problem? Why? Residuals continuity x-velocity y-velocity Scaled Residuals ANSYS R19.2 1e+00 1e-01 1e-02 1e-03 1e-04 1e-05 1e-08 1e-07 10-08 1e-09 1-10 0 10 20 30 40 50 80 70 Iterations Figure 3 Residuals in a CFD simulation Academic