lid velocity = 100., prandtl # = 1., grashof # = 40000.
  0 SNES Function norm 1065.74
  1 SNES Function norm 4261.75
  2 SNES Function norm 821.709
  3 SNES Function norm 742.022
  4 SNES Function norm 612.632
  5 SNES Function norm 299.895
  6 SNES Function norm 113.113
  7 SNES Function norm 56.5564
  8 SNES Function norm 36.8842
  9 SNES Function norm 25.241
 10 SNES Function norm 19.6722
Number of SNES iterations = 10