lid velocity = 100., prandtl # = 1., grashof # = 40000.
  0 SNES Function norm 1667.67 
  1 SNES Function norm 785.497 
  2 SNES Function norm 403.895 
  3 SNES Function norm 253.13 
  4 SNES Function norm 108.039 
  5 SNES Function norm 11.306 
  6 SNES Function norm 0.111993 
  7 SNES Function norm 7.32448e-06 
Number of SNES iterations = 7
