1lid velocity = 0.00591716, prandtl # = 1., grashof # = 1. 2 0 KSP Residual norm 0.070841 3 1 KSP Residual norm < 1.e-11 4 Linear solve converged due to CONVERGED_RTOL iterations 1 5KSP Object: 1 MPI processes 6 type: cgne 7 maximum iterations=10000, initial guess is zero 8 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 9 left preconditioning 10 using UNPRECONDITIONED norm type for convergence test 11PC Object: 1 MPI processes 12 type: lu 13 out-of-place factorization 14 tolerance for zero pivot 2.22045e-14 15 matrix ordering: nd 16 factor fill ratio given 5., needed 3.46154 17 Factored matrix follows: 18 Mat Object: 1 MPI processes 19 type: seqaij 20 rows=676, cols=676, bs=4 21 package used to perform factorization: petsc 22 total: nonzeros=43920, allocated nonzeros=43920 23 total number of mallocs used during MatSetValues calls=0 24 using I-node routines: found 169 nodes, limit used is 5 25 linear system matrix = precond matrix: 26 Mat Object: 1 MPI processes 27 type: seqaij 28 rows=676, cols=676, bs=4 29 total: nonzeros=12688, allocated nonzeros=12688 30 total number of mallocs used during MatSetValues calls=0 31 using I-node routines: found 169 nodes, limit used is 5 32 0 KSP Residual norm 1.46462e-05 33 1 KSP Residual norm < 1.e-11 34 Linear solve converged due to CONVERGED_RTOL iterations 1 35KSP Object: 1 MPI processes 36 type: cgne 37 maximum iterations=10000, initial guess is zero 38 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 39 left preconditioning 40 using UNPRECONDITIONED norm type for convergence test 41PC Object: 1 MPI processes 42 type: lu 43 out-of-place factorization 44 tolerance for zero pivot 2.22045e-14 45 matrix ordering: nd 46 factor fill ratio given 5., needed 3.46154 47 Factored matrix follows: 48 Mat Object: 1 MPI processes 49 type: seqaij 50 rows=676, cols=676, bs=4 51 package used to perform factorization: petsc 52 total: nonzeros=43920, allocated nonzeros=43920 53 total number of mallocs used during MatSetValues calls=0 54 using I-node routines: found 169 nodes, limit used is 5 55 linear system matrix = precond matrix: 56 Mat Object: 1 MPI processes 57 type: seqaij 58 rows=676, cols=676, bs=4 59 total: nonzeros=12688, allocated nonzeros=12688 60 total number of mallocs used during MatSetValues calls=0 61 using I-node routines: found 169 nodes, limit used is 5 62Number of SNES iterations = 2 63