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 5.84955e-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 2 SNES Function norm 2.47608e+09 9 Nonlinear solve did not converge due to DIVERGED_DTOL iterations 2 10 SNES Object: 2 MPI processes 11 type: ngmres 12 Number of stored past updates: 30 13 Residual selection: gammaA=2e+00, gammaC=2e+00 14 Difference restart: epsilonB=1e-01, deltaB=9e-01 15 Restart on F_M residual increase: FALSE 16 maximum iterations=10000, maximum function evaluations=30000 17 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 18 total number of function evaluations=3 19 norm schedule ALWAYS 20 total number of grid sequence refinements=2 21 Jacobian is built using a DMDA local Jacobian 22 SNESLineSearch Object: 2 MPI processes 23 type: basic 24 maxstep=1.000000e+08, minlambda=1.000000e-12 25 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 26 maximum iterations=1 27 SNES Object: (npc_) 2 MPI processes 28 type: fas 29 type is MULTIPLICATIVE, levels=2, cycles=1 30 Not using Galerkin computed coarse grid function evaluation 31 Coarse grid solver -- level 0 ------------------------------- 32 SNES Object: (npc_fas_coarse_) 2 MPI processes 33 type: newtonls 34 maximum iterations=50, maximum function evaluations=10000 35 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 36 total number of linear solver iterations=8 37 total number of function evaluations=43 38 norm schedule ALWAYS 39 Jacobian is built using colored finite differences on a DMDA 40 SNESLineSearch Object: (npc_fas_coarse_) 2 MPI processes 41 type: bt 42 interpolation: cubic 43 alpha=1.000000e-04 44 maxstep=1.000000e+08, minlambda=1.000000e-12 45 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 46 maximum iterations=40 47 KSP Object: (npc_fas_coarse_) 2 MPI processes 48 type: preonly 49 maximum iterations=10000, initial guess is zero 50 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 51 left preconditioning 52 using NONE norm type for convergence test 53 PC Object: (npc_fas_coarse_) 2 MPI processes 54 type: bjacobi 55 number of blocks = 2 56 Local solver information for first block is in the following KSP and PC objects on rank 0: 57 Use -npc_fas_coarse_ksp_view ::ascii_info_detail to display information for all blocks 58 KSP Object: (npc_fas_coarse_sub_) 1 MPI process 59 type: preonly 60 maximum iterations=10000, initial guess is zero 61 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 62 left preconditioning 63 using NONE norm type for convergence test 64 PC Object: (npc_fas_coarse_sub_) 1 MPI process 65 type: ilu 66 out-of-place factorization 67 0 levels of fill 68 tolerance for zero pivot 2.22045e-14 69 matrix ordering: natural 70 factor fill ratio given 1., needed 1. 71 Factored matrix follows: 72 Mat Object: (npc_fas_coarse_sub_) 1 MPI process 73 type: seqaij 74 rows=32, cols=32, bs=4 75 package used to perform factorization: petsc 76 total: nonzeros=448, allocated nonzeros=448 77 using I-node routines: found 8 nodes, limit used is 5 78 linear system matrix = precond matrix: 79 Mat Object: (npc_fas_coarse_sub_) 1 MPI process 80 type: seqaij 81 rows=32, cols=32, bs=4 82 total: nonzeros=448, allocated nonzeros=448 83 total number of mallocs used during MatSetValues calls=0 84 using I-node routines: found 8 nodes, limit used is 5 85 linear system matrix = precond matrix: 86 Mat Object: 2 MPI processes 87 type: mpiaij 88 rows=64, cols=64, bs=4 89 total: nonzeros=1024, allocated nonzeros=1024 90 total number of mallocs used during MatSetValues calls=0 91 Down solver (pre-smoother) on level 1 ------------------------------- 92 SNES Object: (npc_fas_levels_1_) 2 MPI processes 93 type: nrichardson 94 maximum iterations=1, maximum function evaluations=30000 95 tolerances: relative=0., absolute=0., solution=0. 96 total number of function evaluations=4 97 norm schedule FINALONLY 98 Jacobian is built using a DMDA local Jacobian 99 SNESLineSearch Object: (npc_fas_levels_1_) 2 MPI processes 100 type: l2 101 maxstep=1.000000e+08, minlambda=1.000000e-12 102 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 103 maximum iterations=1 104 Up solver (post-smoother) same as down solver (pre-smoother) 105 maximum iterations=1, maximum function evaluations=30000 106 tolerances: relative=0., absolute=0., solution=0. 107 total number of function evaluations=0 108 norm schedule FINALONLY 109 Jacobian is built using a DMDA local Jacobian 110Number of SNES iterations = 2 111