lid velocity = 0.000106281, prandtl # = 1., grashof # = 1. 0 SNES Function norm 1.036007954337e-02 0 KSP Residual norm 3.529801575702e+00 1 KSP Residual norm 9.549227308964e-01 2 KSP Residual norm 1.833989322891e-01 3 KSP Residual norm 3.207579404040e-02 4 KSP Residual norm 1.205175734836e-02 5 KSP Residual norm 3.633439510018e-03 6 KSP Residual norm 7.859509715404e-04 7 KSP Residual norm 1.906869917013e-04 8 KSP Residual norm 3.576752748010e-05 9 KSP Residual norm 7.330442895769e-06 1 SNES Function norm 3.201130549650e-06 0 KSP Residual norm 4.427959370819e-05 1 KSP Residual norm 1.380195430340e-05 2 KSP Residual norm 4.715532215690e-06 3 KSP Residual norm 1.474145038612e-06 4 KSP Residual norm 5.348109874116e-07 5 KSP Residual norm 1.044694791331e-07 6 KSP Residual norm 3.714990014432e-08 7 KSP Residual norm 1.173691435064e-08 8 KSP Residual norm 2.292612822767e-09 9 KSP Residual norm 4.381684670967e-10 2 SNES Function norm 2.738200356364e-10 0 KSP Residual norm 4.387850884335e-10 1 KSP Residual norm 1.635189378258e-10 2 KSP Residual norm 5.331635602024e-11 3 KSP Residual norm 1.598499949563e-11 4 KSP Residual norm 4.613542888168e-12 5 KSP Residual norm 1.382342228644e-12 6 KSP Residual norm 2.663644370837e-13 7 KSP Residual norm 5.369087577325e-14 8 KSP Residual norm 1.326647134287e-14 9 KSP Residual norm 3.897550408280e-15 3 SNES Function norm 1.080498368554e-14 SNES Object: 4 MPI processes type: newtonls maximum iterations=50, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 total number of linear solver iterations=27 total number of function evaluations=4 norm schedule ALWAYS Jacobian is built using colored finite differences on a DMDA SNESLineSearch Object: 4 MPI processes type: bt interpolation: cubic alpha=1.000000e-04 maxstep=1.000000e+08, minlambda=1.000000e-12 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 maximum iterations=40 KSP Object: 4 MPI processes type: gmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using PRECONDITIONED norm type for convergence test PC Object: 4 MPI processes type: hypre HYPRE BoomerAMG preconditioning Cycle type V Maximum number of levels 25 Maximum number of iterations PER hypre call 1 Convergence tolerance PER hypre call 0. Threshold for strong coupling 0.25 Interpolation truncation factor 0. Interpolation: max elements per row 0 Number of levels of aggressive coarsening 0 Number of paths for aggressive coarsening 1 Maximum row sums 0.9 Sweeps down 1 Sweeps up 1 Sweeps on coarse 1 Relax down symmetric-SOR/Jacobi Relax up symmetric-SOR/Jacobi Relax on coarse Gaussian-elimination Relax weight (all) 1. Outer relax weight (all) 1. Using CF-relaxation Not using more complex smoothers. Measure type local Coarsen type Falgout Interpolation type classical linear system matrix = precond matrix: Mat Object: 4 MPI processes type: mpiaij rows=37636, cols=37636, bs=4 total: nonzeros=746512, allocated nonzeros=746512 total number of mallocs used during MatSetValues calls=0 Number of SNES iterations = 3