lid velocity = 0.0625, prandtl # = 1., grashof # = 1. 0 KSP Residual norm 0.329737 1 KSP Residual norm 0.313164 2 KSP Residual norm 0.0475228 3 KSP Residual norm 0.0527513 4 KSP Residual norm 0.0336081 5 KSP Residual norm 0.0589036 6 KSP Residual norm 0.0371174 7 KSP Residual norm 0.0311859 8 KSP Residual norm 0.0315337 9 KSP Residual norm 0.0238384 10 KSP Residual norm 0.0121624 11 KSP Residual norm 0.0121032 12 KSP Residual norm 0.0136556 13 KSP Residual norm 0.00871402 14 KSP Residual norm 0.00808783 15 KSP Residual norm 0.00215891 16 KSP Residual norm 0.00581555 17 KSP Residual norm 0.00776632 18 KSP Residual norm 0.019159 19 KSP Residual norm 0.00328485 20 KSP Residual norm 0.00412157 21 KSP Residual norm 0.00308695 22 KSP Residual norm 0.00522533 23 KSP Residual norm 0.00699751 24 KSP Residual norm 0.00966341 25 KSP Residual norm 0.00273529 26 KSP Residual norm 0.00376275 27 KSP Residual norm 0.00365193 28 KSP Residual norm 0.0008234 29 KSP Residual norm 0.00137171 30 KSP Residual norm 0.000483122 31 KSP Residual norm 0.000999703 32 KSP Residual norm 0.000507456 33 KSP Residual norm 0.00116562 34 KSP Residual norm 0.000212525 35 KSP Residual norm 0.000132465 36 KSP Residual norm 0.000419669 37 KSP Residual norm 0.000199309 38 KSP Residual norm 0.000345409 39 KSP Residual norm 0.000207211 40 KSP Residual norm 0.000488192 41 KSP Residual norm 0.000219208 42 KSP Residual norm 0.000341406 43 KSP Residual norm 0.000110854 44 KSP Residual norm 8.48481e-05 45 KSP Residual norm 0.000169257 46 KSP Residual norm 0.000175205 47 KSP Residual norm 3.60377e-05 48 KSP Residual norm 0.000129896 49 KSP Residual norm 0.000105173 50 KSP Residual norm 6.34783e-05 51 KSP Residual norm 5.05072e-05 52 KSP Residual norm 6.76429e-05 53 KSP Residual norm 2.43593e-06 Linear solve converged due to CONVERGED_RTOL iterations 53 KSP Object: 1 MPI process type: cgne 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: 1 MPI process type: jacobi linear system matrix = precond matrix: Mat Object: 1 MPI process type: seqaij rows=64, cols=64, bs=4 total: nonzeros=1024, allocated nonzeros=1024 total number of mallocs used during MatSetValues calls=0 using I-node routines: found 16 nodes, limit used is 5 0 KSP Residual norm 9.8805e-05 1 KSP Residual norm 8.19186e-05 2 KSP Residual norm 1.90045e-05 3 KSP Residual norm 2.40209e-05 4 KSP Residual norm 6.07153e-06 5 KSP Residual norm 9.60261e-06 6 KSP Residual norm 5.79382e-06 7 KSP Residual norm 2.35168e-05 8 KSP Residual norm 1.43291e-05 9 KSP Residual norm 2.31894e-05 10 KSP Residual norm 1.53585e-05 11 KSP Residual norm 1.46354e-05 12 KSP Residual norm 1.38503e-05 13 KSP Residual norm 1.50412e-05 14 KSP Residual norm 8.43848e-06 15 KSP Residual norm 8.84509e-06 16 KSP Residual norm 1.61505e-05 17 KSP Residual norm 6.49552e-06 18 KSP Residual norm 4.63784e-06 19 KSP Residual norm 4.61956e-06 20 KSP Residual norm 3.88109e-06 21 KSP Residual norm 4.70298e-06 22 KSP Residual norm 3.80683e-06 23 KSP Residual norm 4.46884e-06 24 KSP Residual norm 2.14323e-06 25 KSP Residual norm 1.68311e-06 26 KSP Residual norm 1.10435e-06 27 KSP Residual norm 1.87473e-06 28 KSP Residual norm 1.16712e-06 29 KSP Residual norm 1.24929e-06 30 KSP Residual norm 5.27343e-07 31 KSP Residual norm 2.77839e-07 32 KSP Residual norm 2.61303e-07 33 KSP Residual norm 3.13361e-07 34 KSP Residual norm 1.63141e-07 35 KSP Residual norm 2.13578e-07 36 KSP Residual norm 7.8339e-07 37 KSP Residual norm 8.58461e-08 38 KSP Residual norm 9.14491e-08 39 KSP Residual norm 1.01323e-07 40 KSP Residual norm 6.90381e-08 41 KSP Residual norm 3.11927e-07 42 KSP Residual norm 1.29601e-07 43 KSP Residual norm 7.96694e-08 44 KSP Residual norm 4.31165e-08 45 KSP Residual norm 1.95467e-07 46 KSP Residual norm 6.59884e-08 47 KSP Residual norm 7.61762e-08 48 KSP Residual norm 3.91827e-08 49 KSP Residual norm 9.64272e-08 50 KSP Residual norm 9.35972e-08 51 KSP Residual norm 1.17549e-08 52 KSP Residual norm 3.98126e-08 53 KSP Residual norm 7.25575e-09 54 KSP Residual norm 7.15814e-09 55 KSP Residual norm 1.78358e-08 56 KSP Residual norm 9.72379e-09 57 KSP Residual norm 2.41943e-08 58 KSP Residual norm 7.28349e-09 59 KSP Residual norm 5.6578e-09 60 KSP Residual norm 3.58275e-09 61 KSP Residual norm 2.46854e-09 62 KSP Residual norm 6.4442e-09 63 KSP Residual norm 1.72792e-08 64 KSP Residual norm 3.14399e-09 65 KSP Residual norm 2.17434e-09 66 KSP Residual norm 7.996e-10 Linear solve converged due to CONVERGED_RTOL iterations 66 KSP Object: 1 MPI process type: cgne 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: 1 MPI process type: jacobi linear system matrix = precond matrix: Mat Object: 1 MPI process type: seqaij rows=64, cols=64, bs=4 total: nonzeros=1024, allocated nonzeros=1024 total number of mallocs used during MatSetValues calls=0 using I-node routines: found 16 nodes, limit used is 5 0 KSP Residual norm 8.088e-10 1 KSP Residual norm 1.41572e-09 2 KSP Residual norm 3.34909e-09 3 KSP Residual norm 5.927e-10 4 KSP Residual norm 1.17104e-09 5 KSP Residual norm 1.08557e-09 6 KSP Residual norm 1.60593e-09 7 KSP Residual norm 5.946e-10 8 KSP Residual norm 7.734e-10 9 KSP Residual norm 3.367e-10 10 KSP Residual norm 4.901e-10 11 KSP Residual norm 6.654e-10 12 KSP Residual norm 1.05178e-09 13 KSP Residual norm 5.620e-10 14 KSP Residual norm 5.390e-10 15 KSP Residual norm 2.426e-10 16 KSP Residual norm 3.058e-10 17 KSP Residual norm 4.040e-10 18 KSP Residual norm 2.678e-10 19 KSP Residual norm 2.477e-10 20 KSP Residual norm 2.816e-10 21 KSP Residual norm 3.991e-10 22 KSP Residual norm 2.129e-10 23 KSP Residual norm 2.696e-10 24 KSP Residual norm 2.945e-10 25 KSP Residual norm 2.758e-10 26 KSP Residual norm 9.453e-11 27 KSP Residual norm 1.158e-10 28 KSP Residual norm 4.044e-10 29 KSP Residual norm 2.067e-10 30 KSP Residual norm 5.540e-11 31 KSP Residual norm 1.947e-11 32 KSP Residual norm 3.533e-11 33 KSP Residual norm 3.764e-11 34 KSP Residual norm 2.536e-11 35 KSP Residual norm 2.083e-11 36 KSP Residual norm 5.355e-11 37 KSP Residual norm 1.906e-11 38 KSP Residual norm 1.004e-11 39 KSP Residual norm 1.078e-11 40 KSP Residual norm 1.423e-11 41 KSP Residual norm 2.065e-11 42 KSP Residual norm 2.426e-11 43 KSP Residual norm 1.079e-11 44 KSP Residual norm < 1.e-11 45 KSP Residual norm < 1.e-11 46 KSP Residual norm < 1.e-11 47 KSP Residual norm < 1.e-11 48 KSP Residual norm 2.996e-11 49 KSP Residual norm < 1.e-11 50 KSP Residual norm < 1.e-11 51 KSP Residual norm < 1.e-11 52 KSP Residual norm < 1.e-11 53 KSP Residual norm < 1.e-11 54 KSP Residual norm < 1.e-11 55 KSP Residual norm < 1.e-11 56 KSP Residual norm < 1.e-11 57 KSP Residual norm < 1.e-11 58 KSP Residual norm < 1.e-11 59 KSP Residual norm < 1.e-11 60 KSP Residual norm < 1.e-11 61 KSP Residual norm < 1.e-11 62 KSP Residual norm < 1.e-11 63 KSP Residual norm < 1.e-11 64 KSP Residual norm < 1.e-11 65 KSP Residual norm < 1.e-11 66 KSP Residual norm < 1.e-11 67 KSP Residual norm < 1.e-11 68 KSP Residual norm < 1.e-11 69 KSP Residual norm < 1.e-11 70 KSP Residual norm < 1.e-11 71 KSP Residual norm < 1.e-11 72 KSP Residual norm < 1.e-11 73 KSP Residual norm < 1.e-11 Linear solve converged due to CONVERGED_RTOL iterations 73 KSP Object: 1 MPI process type: cgne 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: 1 MPI process type: jacobi linear system matrix = precond matrix: Mat Object: 1 MPI process type: seqaij rows=64, cols=64, bs=4 total: nonzeros=1024, allocated nonzeros=1024 total number of mallocs used during MatSetValues calls=0 using I-node routines: found 16 nodes, limit used is 5 Number of SNES iterations = 3