1lid velocity = 0.00591716, prandtl # = 1., grashof # = 1. 2 0 SNES Function norm 0.0788695 3 0 KSP Residual norm 0.322249 4 1 KSP Residual norm < 1.e-11 5 1 SNES Function norm 7.43947e-06 6 0 KSP Residual norm 1.66117e-05 7 1 KSP Residual norm < 1.e-11 8 2 SNES Function norm 1.155e-11 9SNES Object: 1 MPI process 10 type: newtonls 11 maximum iterations=50, maximum function evaluations=10000 12 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 13 total number of linear solver iterations=2 14 total number of function evaluations=3 15 norm schedule ALWAYS 16 Jacobian is built using colored finite differences on a DMDA 17 SNESLineSearch Object: 1 MPI process 18 type: bt 19 interpolation: cubic 20 alpha=1.000000e-04 21 maxstep=1.000000e+08, minlambda=1.000000e-12 22 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 23 maximum iterations=40 24 KSP Object: 1 MPI process 25 type: gmres 26 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 27 happy breakdown tolerance 1e-30 28 maximum iterations=10000, initial guess is zero 29 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 30 left preconditioning 31 using PRECONDITIONED norm type for convergence test 32 PC Object: 1 MPI process 33 type: lu 34 out-of-place factorization 35 tolerance for zero pivot 2.22045e-14 36 matrix ordering: external 37 factor fill ratio given 0., needed 0. 38 Factored matrix follows: 39 Mat Object: 1 MPI process 40 type: umfpack 41 rows=676, cols=676 42 package used to perform factorization: umfpack 43 total: nonzeros=0, allocated nonzeros=0 44 UMFPACK run parameters: 45 Control[UMFPACK_PRL]: 1. 46 Control[UMFPACK_STRATEGY]: 0. 47 Control[UMFPACK_DENSE_COL]: 0.2 48 Control[UMFPACK_DENSE_ROW]: 0.2 49 Control[UMFPACK_AMD_DENSE]: 10. 50 Control[UMFPACK_BLOCK_SIZE]: 32. 51 Control[UMFPACK_FIXQ]: 0. 52 Control[UMFPACK_AGGRESSIVE]: 1. 53 Control[UMFPACK_PIVOT_TOLERANCE]: 0.1 54 Control[UMFPACK_SYM_PIVOT_TOLERANCE]: 0.001 55 Control[UMFPACK_SCALE]: 1. 56 Control[UMFPACK_ALLOC_INIT]: 0.7 57 Control[UMFPACK_DROPTOL]: 0. 58 Control[UMFPACK_IRSTEP]: 0. 59 Control[UMFPACK_ORDERING]: AMD (not using the PETSc ordering) 60 linear system matrix = precond matrix: 61 Mat Object: 1 MPI process 62 type: seqaij 63 rows=676, cols=676, bs=4 64 total: nonzeros=12688, allocated nonzeros=12688 65 total number of mallocs used during MatSetValues calls=0 66 using I-node routines: found 169 nodes, limit used is 5 67Number of SNES iterations = 2 68