lid velocity = 0.0625, prandtl # = 1, grashof # = 1
  0 SNES Function norm 0.239155 
    0 KSP Residual norm 0.239155 
    1 KSP Residual norm 0.00208502 
    2 KSP Residual norm 0.000317113 
    3 KSP Residual norm 2.87706e-07 
  1 SNES Function norm 6.81924e-05 
    0 KSP Residual norm 6.81924e-05 
    1 KSP Residual norm 5.34772e-07 
    2 KSP Residual norm 9.33025e-09 
    3 KSP Residual norm 2.698e-11 
  2 SNES Function norm 2.898e-11 
Number of SNES iterations = 2
