1lid velocity = 0.0025, prandtl # = 1., grashof # = 1. 2 0 SNES Function norm 5.097713965974e-02 3 0 KSP Residual norm 4.478156318929e-01 4 1 KSP Residual norm 1.332770193323e-07 5 1 SNES Function norm 4.205141651798e-06 6 0 KSP Residual norm 1.665563745957e-05 7 1 KSP Residual norm 5.185921486633e-12 8 2 SNES Function norm 6.137664574662e-12 9SNES Object: 4 MPI processes 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: 4 MPI processes 18 type: bt 19 interpolation: cubic 20 alpha=1.000000e-04 21 maxlambda=1.000000e+00, 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: 4 MPI processes 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: 4 MPI processes 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: 39 Mat Object: 4 MPI processes 40 type: superlu_dist 41 rows=1600, cols=1600 42 package used to perform factorization: superlu_dist 43 total: nonzeros=0, allocated nonzeros=0 44 SuperLU_DIST run parameters: 45 Process grid nprow 1 x npcol 2 46 Using 3d decomposition with npdep 2 47 Equilibrate matrix TRUE 48 Replace tiny pivots FALSE 49 Use iterative refinement FALSE 50 Processors in row 1 col partition 2 51 Row permutation LargeDiag_MC64 52 Column permutation METIS_AT_PLUS_A 53 Parallel symbolic factorization FALSE 54 Repeated factorization SamePattern 55 Using SuperLU_DIST in single precision 56 linear system matrix, which is also used to construct the preconditioner: 57 Mat Object: 4 MPI processes 58 type: mpiaij 59 rows=1600, cols=1600, bs=4 60 total: nonzeros=30720, allocated nonzeros=30720 61 total number of mallocs used during MatSetValues calls=0 62Number of SNES iterations = 2 63