10 TS dt 8.33333e-06 time 0. 21 TS dt 8.33333e-05 time 8.33333e-06 32 TS dt 0.000833333 time 9.16667e-05 43 TS dt 0.00833333 time 0.000925 54 TS dt 0.0132237 time 0.00925833 65 TS dt 0.0132566 time 0.022482 76 TS dt 0.0132919 time 0.0357387 87 TS dt 0.0133226 time 0.0490305 98 TS dt 0.0133482 time 0.0623531 109 TS dt 0.0133897 time 0.0757014 1110 TS dt 0.0134319 time 0.0890911 1211 TS dt 0.0134682 time 0.102523 1312 TS dt 0.0134978 time 0.115991 1413 TS dt 0.0135226 time 0.129489 1514 TS dt 0.00489716 time 0.133803 1615 TS dt 0.0100093 time 0.138701 1716 TS dt 0.0135687 time 0.14871 1817 TS dt 0.0136082 time 0.162279 1918 TS dt 0.00446971 time 0.166008 2019 TS dt 0.00866287 time 0.170477 2120 TS dt 0.0135473 time 0.17914 2221 TS dt 0.0136978 time 0.192687 2322 TS dt 0.00526418 time 0.197319 2423 TS dt 0.0107839 time 0.202584 2524 TS dt 0.0137429 time 0.213367 2625 TS dt 0.0137688 time 0.22711 2726 TS dt 0.0037576 time 0.229776 2827 TS dt 0.00611756 time 0.233534 2928 TS dt 0.01188 time 0.239651 3029 TS dt 0.0138528 time 0.251531 3130 TS dt 0.0136247 time 0.265384 3231 TS dt 0.00266463 time 0.26702 3332 TS dt 0.00360038 time 0.269684 3433 TS dt 0.00580701 time 0.273285 3534 TS dt 0.0111362 time 0.279092 3635 TS dt 0.013942 time 0.290228 3736 TS dt 0.0138468 time 0.30417 38TS Object: 1 MPI processes 39 type: arkimex 40 ARK IMEX 3 41 Stiff abscissa ct = 0.000000 0.871733 0.600000 1.000000 42 Fully implicit: no 43 Stiffly accurate: yes 44 Explicit first stage: yes 45 FSAL property: yes 46 Nonstiff abscissa c = 0.000000 0.871733 0.600000 1.000000 47 maximum steps=1000 48 maximum time=0.3 49 total number of RHS function evaluations=192 50 total number of RHS Jacobian evaluations=192 51 total number of nonlinear solver iterations=276 52 total number of linear solver iterations=552 53 total number of nonlinear solve failures=0 54 total number of rejected steps=10 55 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 56TSAdapt Object: 1 MPI processes 57 type: basic 58 safety factor 0.9 59 extra safety factor after step rejection 0.5 60 clip fastest increase 10. 61 clip fastest decrease 0.1 62 maximum allowed timestep 1e+20 63 minimum allowed timestep 1e-20 64 maximum solution absolute value to be ignored -1. 65SNES Object: 1 MPI processes 66 type: newtonls 67 maximum iterations=50, maximum function evaluations=10000 68 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 69 total number of linear solver iterations=4 70 total number of function evaluations=3 71 norm schedule ALWAYS 72 SNESLineSearch Object: 1 MPI processes 73 type: bt 74 interpolation: cubic 75 alpha=1.000000e-04 76 maxstep=1.000000e+08, minlambda=1.000000e-12 77 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 78 maximum iterations=40 79 KSP Object: 1 MPI processes 80 type: gmres 81 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 82 happy breakdown tolerance 1e-30 83 maximum iterations=10000, initial guess is zero 84 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 85 left preconditioning 86 using PRECONDITIONED norm type for convergence test 87 PC Object: 1 MPI processes 88 type: mg 89 type is MULTIPLICATIVE, levels=3 cycles=v 90 Cycles per PCApply=1 91 Not using Galerkin computed coarse grid matrices 92 Coarse grid solver -- level ------------------------------- 93 KSP Object: (mg_coarse_) 1 MPI processes 94 type: preonly 95 maximum iterations=10000, initial guess is zero 96 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 97 left preconditioning 98 using NONE norm type for convergence test 99 PC Object: (mg_coarse_) 1 MPI processes 100 type: lu 101 out-of-place factorization 102 tolerance for zero pivot 2.22045e-14 103 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] 104 matrix ordering: nd 105 factor fill ratio given 5., needed 1.63333 106 Factored matrix follows: 107 Mat Object: 1 MPI processes 108 type: seqaij 109 rows=60, cols=60 110 package used to perform factorization: petsc 111 total: nonzeros=294, allocated nonzeros=294 112 not using I-node routines 113 linear system matrix = precond matrix: 114 Mat Object: 1 MPI processes 115 type: seqaij 116 rows=60, cols=60 117 total: nonzeros=180, allocated nonzeros=180 118 total number of mallocs used during MatSetValues calls=0 119 not using I-node routines 120 Down solver (pre-smoother) on level 1 ------------------------------- 121 KSP Object: (mg_levels_1_) 1 MPI processes 122 type: chebyshev 123 eigenvalue estimates used: min = 0.1, max = 1.1 124 eigenvalues estimate via gmres min 1., max 1. 125 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] 126 KSP Object: (mg_levels_1_esteig_) 1 MPI processes 127 type: gmres 128 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 129 happy breakdown tolerance 1e-30 130 maximum iterations=10, initial guess is zero 131 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 132 left preconditioning 133 using PRECONDITIONED norm type for convergence test 134 estimating eigenvalues using noisy right hand side 135 maximum iterations=3, nonzero initial guess 136 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 137 left preconditioning 138 using NONE norm type for convergence test 139 PC Object: (mg_levels_1_) 1 MPI processes 140 type: sor 141 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 142 linear system matrix = precond matrix: 143 Mat Object: 1 MPI processes 144 type: seqaij 145 rows=120, cols=120 146 total: nonzeros=360, allocated nonzeros=360 147 total number of mallocs used during MatSetValues calls=0 148 not using I-node routines 149 Up solver (post-smoother) same as down solver (pre-smoother) 150 Down solver (pre-smoother) on level 2 ------------------------------- 151 KSP Object: (mg_levels_2_) 1 MPI processes 152 type: chebyshev 153 eigenvalue estimates used: min = 0.1, max = 1.1 154 eigenvalues estimate via gmres min 1., max 1. 155 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] 156 KSP Object: (mg_levels_2_esteig_) 1 MPI processes 157 type: gmres 158 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 159 happy breakdown tolerance 1e-30 160 maximum iterations=10, initial guess is zero 161 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 162 left preconditioning 163 using PRECONDITIONED norm type for convergence test 164 estimating eigenvalues using noisy right hand side 165 maximum iterations=3, nonzero initial guess 166 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 167 left preconditioning 168 using NONE norm type for convergence test 169 PC Object: (mg_levels_2_) 1 MPI processes 170 type: sor 171 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 172 linear system matrix = precond matrix: 173 Mat Object: 1 MPI processes 174 type: seqaij 175 rows=240, cols=240 176 total: nonzeros=720, allocated nonzeros=720 177 total number of mallocs used during MatSetValues calls=0 178 not using I-node routines 179 Up solver (post-smoother) same as down solver (pre-smoother) 180 linear system matrix = precond matrix: 181 Mat Object: 1 MPI processes 182 type: seqaij 183 rows=240, cols=240 184 total: nonzeros=720, allocated nonzeros=720 185 total number of mallocs used during MatSetValues calls=0 186 not using I-node routines 187