Steady-state CFD simulation of a car, Part 3 of 3 (Calculation Results)

Residual:

Output from simpleFoam at the final time step is as follows.

Time = 3200
DILUPBiCG: Solving for Ux, Initial residual = 3.554544e-06, Final residual = 3.140883e-09, No Iterations 1
DILUPBiCG: Solving for Uy, Initial residual = 5.051493e-05, Final residual = 7.690209e-09, No Iterations 2
DILUPBiCG: Solving for Uz, Initial residual = 4.022812e-05, Final residual = 6.627515e-10, No Iterations 2
GAMG: Solving for p, Initial residual = 0.001218188, Final residual = 8.918359e-09, No Iterations 16
GAMG: Solving for p, Initial residual = 0.0001141009, Final residual = 5.384482e-09, No Iterations 9
GAMG: Solving for p, Initial residual = 2.194795e-05, Final residual = 4.13188e-09, No Iterations 7
time step continuity errors : sum local = 5.140034e-11, global = -4.669495e-13, cumulative = -5.452385e-10
DILUPBiCG: Solving for epsilon, Initial residual = 1.595524e-06, Final residual = 2.134294e-09, No Iterations 1
DILUPBiCG: Solving for k, Initial residual = 2.671648e-05, Final residual = 8.285234e-10, No Iterations 2
ExecutionTime = 40455.77 s ClockTime = 40773 s

fieldMinMax output:
min(mag(U)) = 0 at position (1.929821 0.2608674 0.1505607) on processor 0
max(mag(U)) = 18.67595 at position (1.934294 -0.6236307 0.8772955) on processor 3
min(p) = -163.6615 at position (1.939687 -0.6239106 0.8747079) on processor 3
max(p) = 59.32441 at position (-2.402561 0.01812216 0.3918577) on processor 0
min(k) = 0.002854136 at position (1.609484 -0.1713737 0.7749142) on processor 1
max(k) = 21.27563 at position (1.840216 -0.8980213 0.3534073) on processor 3
min(epsilon) = 0.04113688 at position (14.91071 4.866071 4.6875) on processor 2
max(epsilon) = 21071.54 at position (1.84027 -0.899757 0.389559) on processor 3

Pressure distribution on the surface: