1lid velocity = 0.0625, prandtl # = 1., grashof # = 1. 2 0 SNES Function norm 2.391552133017e-01 3 0 KSP Residual norm 2.487202582099e-01 4 1 KSP Residual norm 2.061836020657e-02 5 2 KSP Residual norm 5.209414702046e-03 6 3 KSP Residual norm 1.568272395677e-03 7 4 KSP Residual norm 3.295627866513e-04 8 5 KSP Residual norm 9.155694279372e-05 9 6 KSP Residual norm 3.446349799027e-05 10 7 KSP Residual norm 7.611368243653e-06 11 8 KSP Residual norm 2.122390430419e-06 12 1 SNES Function norm 6.848107477293e-05 13 0 KSP Residual norm 2.038292834185e-05 14 1 KSP Residual norm 5.930353180150e-06 15 2 KSP Residual norm 9.461586866971e-07 16 3 KSP Residual norm 3.023548973492e-07 17 4 KSP Residual norm 8.500626673260e-08 18 5 KSP Residual norm 1.686734638740e-08 19 6 KSP Residual norm 4.802448278829e-09 20 7 KSP Residual norm 1.753962559544e-09 21 8 KSP Residual norm 3.745101287855e-10 22 9 KSP Residual norm 1.072508427565e-10 23 2 SNES Function norm 2.138743891290e-10 24SNES Object: 2 MPI processes 25 type: newtonls 26 maximum iterations=50, maximum function evaluations=10000 27 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 28 total number of linear solver iterations=17 29 total number of function evaluations=3 30 norm schedule ALWAYS 31 Jacobian is built using colored finite differences on a DMDA 32 SNESLineSearch Object: 2 MPI processes 33 type: bt 34 interpolation: cubic 35 alpha=1.000000e-04 36 maxlambda=1.000000e+00, minlambda=1.000000e-12 37 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 38 maximum iterations=40 39 KSP Object: 2 MPI processes 40 type: gmres 41 restart=30, using classical (unmodified) Gram-Schmidt orthogonalization with no iterative refinement 42 happy breakdown tolerance=1e-30 43 maximum iterations=10000, initial guess is zero 44 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 45 left preconditioning 46 using PRECONDITIONED norm type for convergence test 47 PC Object: 2 MPI processes 48 type: bjacobi 49 number of blocks = 2 50 Local solver information for first block is in the following KSP and PC objects on rank 0: 51 Use -ksp_view ::ascii_info_detail to display information for all blocks 52 KSP Object: (sub_) 1 MPI process 53 type: preonly 54 maximum iterations=10000, initial guess is zero 55 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 56 left preconditioning 57 not checking for convergence 58 PC Object: (sub_) 1 MPI process 59 type: ilu 60 out-of-place factorization 61 0 levels of fill 62 tolerance for zero pivot 2.22045e-14 63 matrix ordering: natural 64 factor fill ratio given 1., needed 1. 65 Factored matrix: 66 Mat Object: (sub_) 1 MPI process 67 type: seqbaij 68 rows=32, cols=32, bs=4 69 package used to perform factorization: petsc 70 total: nonzeros=448, allocated nonzeros=448 71 linear system matrix, which is also used to construct the preconditioner: 72 Mat Object: (sub_) 1 MPI process 73 type: seqbaij 74 rows=32, cols=32, bs=4 75 total: nonzeros=448, allocated nonzeros=448 76 total number of mallocs used during MatSetValues calls=0 77 linear system matrix, which is also used to construct the preconditioner: 78 Mat Object: 2 MPI processes 79 type: mpibaij 80 rows=64, cols=64, bs=4 81 total: nonzeros=1024, allocated nonzeros=1024 82 total number of mallocs used during MatSetValues calls=0 83Number of SNES iterations = 2 84