1lid velocity = 0.0025, prandtl # = 1., grashof # = 1. 2 0 SNES Function norm 0.0509771 3 0 KSP Residual norm 0.447816 4 1 KSP Residual norm < 1.e-11 5 1 SNES Function norm 4.20112e-06 6 0 KSP Residual norm 1.66584e-05 7 1 KSP Residual norm < 1.e-11 8 2 SNES Function norm < 1.e-11 9Number of SNES iterations = 2 10