lid velocity = 0.0204082, prandtl # = 1., grashof # = 1. 0 SNES Function norm 0.146194 0 KSP Residual norm 0.146194 1 KSP Residual norm 0.0781702 2 KSP Residual norm 0.0289896 3 KSP Residual norm 0.00874626 4 KSP Residual norm 0.00360523 5 KSP Residual norm 0.00187927 6 KSP Residual norm 0.000997932 7 KSP Residual norm 0.000325884 8 KSP Residual norm 0.000122254 9 KSP Residual norm 6.21287e-05 10 KSP Residual norm 4.04759e-05 11 KSP Residual norm 2.1448e-05 12 KSP Residual norm 9.92327e-06 13 KSP Residual norm 4.95927e-06 14 KSP Residual norm 2.41652e-06 15 KSP Residual norm 1.39592e-06 1 SNES Function norm 2.5489e-05 0 KSP Residual norm 2.5489e-05 1 KSP Residual norm 1.07362e-05 2 KSP Residual norm 3.78935e-06 3 KSP Residual norm 1.4375e-06 4 KSP Residual norm 6.54918e-07 5 KSP Residual norm 5.12181e-07 6 KSP Residual norm 3.42535e-07 7 KSP Residual norm 1.4512e-07 8 KSP Residual norm 7.40798e-08 9 KSP Residual norm 3.79586e-08 10 KSP Residual norm 1.50282e-08 11 KSP Residual norm 5.03323e-09 12 KSP Residual norm 2.41714e-09 13 KSP Residual norm 1.38638e-09 14 KSP Residual norm 7.047e-10 15 KSP Residual norm 3.897e-10 16 KSP Residual norm 2.021e-10 2 SNES Function norm 2.021e-10 SNES Object: 3 MPI processes type: newtonls maximum iterations=50, maximum function evaluations=10000 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 total number of linear solver iterations=31 total number of function evaluations=3 norm schedule ALWAYS Jacobian is built using colored finite differences on a DMDA SNESLineSearch Object: 3 MPI processes type: bt interpolation: cubic alpha=1.000000e-04 maxstep=1.000000e+08, minlambda=1.000000e-12 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 maximum iterations=40 KSP Object: 3 MPI processes type: fgmres restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement happy breakdown tolerance 1e-30 maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. right preconditioning using UNPRECONDITIONED norm type for convergence test PC Object: 3 MPI processes type: fieldsplit FieldSplit with MULTIPLICATIVE composition: total splits = 4 Solver info for each split is in the following KSP objects: Split number 0 Defined by IS KSP Object: (fieldsplit_x_velocity_) 3 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_x_velocity_) 3 MPI processes type: bjacobi number of blocks = 3 Local solver information for first block is in the following KSP and PC objects on rank 0: Use -fieldsplit_x_velocity_ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (fieldsplit_x_velocity_sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_x_velocity_sub_) 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix follows: Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process type: seqaij rows=21, cols=21 package used to perform factorization: petsc total: nonzeros=85, allocated nonzeros=85 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_x_velocity_sub_) 1 MPI process type: seqaij rows=21, cols=21 total: nonzeros=85, allocated nonzeros=85 total number of mallocs used during MatSetValues calls=0 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_x_velocity_) 3 MPI processes type: mpiaij rows=49, cols=49 total: nonzeros=217, allocated nonzeros=217 total number of mallocs used during MatSetValues calls=0 not using I-node (on process 0) routines Split number 1 Defined by IS KSP Object: (fieldsplit_y_velocity_) 3 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_y_velocity_) 3 MPI processes type: bjacobi number of blocks = 3 Local solver information for first block is in the following KSP and PC objects on rank 0: Use -fieldsplit_y_velocity_ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (fieldsplit_y_velocity_sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_y_velocity_sub_) 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix follows: Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process type: seqaij rows=21, cols=21 package used to perform factorization: petsc total: nonzeros=85, allocated nonzeros=85 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_y_velocity_sub_) 1 MPI process type: seqaij rows=21, cols=21 total: nonzeros=85, allocated nonzeros=85 total number of mallocs used during MatSetValues calls=0 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_y_velocity_) 3 MPI processes type: mpiaij rows=49, cols=49 total: nonzeros=217, allocated nonzeros=217 total number of mallocs used during MatSetValues calls=0 not using I-node (on process 0) routines Split number 2 Defined by IS KSP Object: (fieldsplit_Omega_) 3 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_Omega_) 3 MPI processes type: bjacobi number of blocks = 3 Local solver information for first block is in the following KSP and PC objects on rank 0: Use -fieldsplit_Omega_ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (fieldsplit_Omega_sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_Omega_sub_) 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix follows: Mat Object: (fieldsplit_Omega_sub_) 1 MPI process type: seqaij rows=21, cols=21 package used to perform factorization: petsc total: nonzeros=85, allocated nonzeros=85 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_Omega_sub_) 1 MPI process type: seqaij rows=21, cols=21 total: nonzeros=85, allocated nonzeros=85 total number of mallocs used during MatSetValues calls=0 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_Omega_) 3 MPI processes type: mpiaij rows=49, cols=49 total: nonzeros=217, allocated nonzeros=217 total number of mallocs used during MatSetValues calls=0 not using I-node (on process 0) routines Split number 3 Defined by IS KSP Object: (fieldsplit_temperature_) 3 MPI processes type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_temperature_) 3 MPI processes type: bjacobi number of blocks = 3 Local solver information for first block is in the following KSP and PC objects on rank 0: Use -fieldsplit_temperature_ksp_view ::ascii_info_detail to display information for all blocks KSP Object: (fieldsplit_temperature_sub_) 1 MPI process type: preonly maximum iterations=10000, initial guess is zero tolerances: relative=1e-05, absolute=1e-50, divergence=10000. left preconditioning using NONE norm type for convergence test PC Object: (fieldsplit_temperature_sub_) 1 MPI process type: ilu out-of-place factorization 0 levels of fill tolerance for zero pivot 2.22045e-14 matrix ordering: natural factor fill ratio given 1., needed 1. Factored matrix follows: Mat Object: (fieldsplit_temperature_sub_) 1 MPI process type: seqaij rows=21, cols=21 package used to perform factorization: petsc total: nonzeros=85, allocated nonzeros=85 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_temperature_sub_) 1 MPI process type: seqaij rows=21, cols=21 total: nonzeros=85, allocated nonzeros=85 total number of mallocs used during MatSetValues calls=0 not using I-node routines linear system matrix = precond matrix: Mat Object: (fieldsplit_temperature_) 3 MPI processes type: mpiaij rows=49, cols=49 total: nonzeros=217, allocated nonzeros=217 total number of mallocs used during MatSetValues calls=0 not using I-node (on process 0) routines linear system matrix = precond matrix: Mat Object: 3 MPI processes type: mpiaij rows=196, cols=196, bs=4 total: nonzeros=3472, allocated nonzeros=3472 total number of mallocs used during MatSetValues calls=0 Number of SNES iterations = 2