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