1lid velocity = 200., prandtl # = 1., grashof # = 10000. 2 0 SNES Function norm 2240.15 3 1 SNES Function norm 0.590311 4 2 SNES Function norm 5.84956e-06 5 Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE iterations 2 6 0 SNES Function norm 3455.4 7 1 SNES Function norm 201221. 8 Nonlinear solve did not converge due to DIVERGED_INNER iterations 1 9 SNES Object: 2 MPI processes 10 type: ngmres 11 Number of stored past updates: 30 12 Residual selection: gammaA=2e+00, gammaC=2e+00 13 Difference restart: epsilonB=1e-01, deltaB=9e-01 14 Restart on F_M residual increase: FALSE 15 maximum iterations=10000, maximum function evaluations=30000 16 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 17 total number of function evaluations=2 18 norm schedule ALWAYS 19 total number of grid sequence refinements=2 20 Jacobian is built using a DMDA local Jacobian 21 SNESLineSearch Object: 2 MPI processes 22 type: basic 23 maxstep=1.000000e+08, minlambda=1.000000e-12 24 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 25 maximum iterations=1 26 SNES Object: (npc_) 2 MPI processes 27 type: fas 28 type is MULTIPLICATIVE, levels=2, cycles=1 29 Not using Galerkin computed coarse grid function evaluation 30 Coarse grid solver -- level 0 ------------------------------- 31 SNES Object: (npc_fas_coarse_) 2 MPI processes 32 type: newtonls 33 maximum iterations=50, maximum function evaluations=10000 34 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 35 total number of linear solver iterations=8 36 total number of function evaluations=43 37 Jacobian is built using colored finite differences on a DMDA 38 SNESLineSearch Object: (npc_fas_coarse_) 2 MPI processes 39 type: bt 40 interpolation: cubic 41 alpha=1.000000e-04 42 maxstep=1.000000e+08, minlambda=1.000000e-12 43 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 44 maximum iterations=40 45 KSP Object: (npc_fas_coarse_) 2 MPI processes 46 type: preonly 47 maximum iterations=10000, initial guess is zero 48 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 49 left preconditioning 50 using NONE norm type for convergence test 51 PC Object: (npc_fas_coarse_) 2 MPI processes 52 type: bjacobi 53 number of blocks = 2 54 Local solver information for first block is in the following KSP and PC objects on rank 0: 55 Use -npc_fas_coarse_ksp_view ::ascii_info_detail to display information for all blocks 56 KSP Object: (npc_fas_coarse_sub_) 1 MPI processes 57 type: preonly 58 maximum iterations=10000, initial guess is zero 59 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 60 left preconditioning 61 using NONE norm type for convergence test 62 PC Object: (npc_fas_coarse_sub_) 1 MPI processes 63 type: ilu 64 out-of-place factorization 65 0 levels of fill 66 tolerance for zero pivot 2.22045e-14 67 matrix ordering: natural 68 factor fill ratio given 1., needed 1. 69 Factored matrix follows: 70 Mat Object: 1 MPI processes 71 type: seqaij 72 rows=32, cols=32, bs=4 73 package used to perform factorization: petsc 74 total: nonzeros=448, allocated nonzeros=448 75 using I-node routines: found 8 nodes, limit used is 5 76 linear system matrix = precond matrix: 77 Mat Object: (npc_fas_coarse_sub_) 1 MPI processes 78 type: seqaij 79 rows=32, cols=32, bs=4 80 total: nonzeros=448, allocated nonzeros=448 81 total number of mallocs used during MatSetValues calls=0 82 using I-node routines: found 8 nodes, limit used is 5 83 linear system matrix = precond matrix: 84 Mat Object: 2 MPI processes 85 type: mpiaij 86 rows=64, cols=64, bs=4 87 total: nonzeros=1024, allocated nonzeros=1024 88 total number of mallocs used during MatSetValues calls=0 89 Down solver (pre-smoother) on level 1 ------------------------------- 90 SNES Object: (npc_fas_levels_1_) 2 MPI processes 91 type: nrichardson 92 maximum iterations=1, maximum function evaluations=30000 93 tolerances: relative=0., absolute=0., solution=0. 94 total number of function evaluations=4 95 norm schedule FINALONLY 96 Jacobian is built using a DMDA local Jacobian 97 SNESLineSearch Object: (npc_fas_levels_1_) 2 MPI processes 98 type: l2 99 maxstep=1.000000e+08, minlambda=1.000000e-12 100 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 101 maximum iterations=1 102 Up solver (post-smoother) same as down solver (pre-smoother) 103 maximum iterations=1, maximum function evaluations=30000 104 tolerances: relative=0., absolute=0., solution=0. 105 total number of function evaluations=0 106 norm schedule FINALONLY 107 Jacobian is built using a DMDA local Jacobian 108Number of SNES iterations = 1 109