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 0.0134977 time 0.115991 1413 TS dt 0.0135237 time 0.129489 1514 TS dt 0.00493711 time 0.133814 1615 TS dt 0.0101429 time 0.138751 1716 TS dt 0.0135717 time 0.148894 1817 TS dt 0.0136051 time 0.162466 1918 TS dt 0.00438633 time 0.166048 2019 TS dt 0.00835031 time 0.170435 2120 TS dt 0.01351 time 0.178785 2221 TS dt 0.0136929 time 0.192295 2322 TS dt 0.00550644 time 0.197218 2423 TS dt 0.0109745 time 0.202724 2524 TS dt 0.0137446 time 0.213699 2625 TS dt 0.013753 time 0.227443 2726 TS dt 0.00344297 time 0.229808 2827 TS dt 0.00530876 time 0.233251 2928 TS dt 0.0100847 time 0.23856 3029 TS dt 0.0138161 time 0.248645 3130 TS dt 0.0138536 time 0.262461 3231 TS dt 0.00379537 time 0.2651 3332 TS dt 0.00615405 time 0.268896 3433 TS dt 0.0119598 time 0.27505 3534 TS dt 0.0139434 time 0.287009 3635 TS dt 0.0136447 time 0.300953 37TS Object: 1 MPI processes 38 type: arkimex 39 ARK IMEX 3 40 Stiff abscissa ct = 0.000000 0.871733 0.600000 1.000000 41 Fully implicit: no 42 Stiffly accurate: yes 43 Explicit first stage: yes 44 FSAL property: yes 45 Nonstiff abscissa c = 0.000000 0.871733 0.600000 1.000000 46 maximum steps=1000 47 maximum time=0.3 48 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 49TSAdapt Object: 1 MPI processes 50 type: basic 51 safety factor 0.9 52 extra safety factor after step rejection 0.5 53 clip fastest increase 10. 54 clip fastest decrease 0.1 55 maximum allowed timestep 1e+20 56 minimum allowed timestep 1e-20 57 maximum solution absolute value to be ignored -1. 58SNES Object: 1 MPI processes 59 type: newtonls 60 maximum iterations=50, maximum function evaluations=10000 61 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 62 norm schedule ALWAYS 63 SNESLineSearch Object: 1 MPI processes 64 type: bt 65 interpolation: cubic 66 alpha=1.000000e-04 67 maxstep=1.000000e+08, minlambda=1.000000e-12 68 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 69 maximum iterations=40 70 KSP Object: 1 MPI processes 71 type: gmres 72 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 73 happy breakdown tolerance 1e-30 74 maximum iterations=10000, initial guess is zero 75 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 76 left preconditioning 77 using PRECONDITIONED norm type for convergence test 78 PC Object: 1 MPI processes 79 type: mg 80 type is MULTIPLICATIVE, levels=3 cycles=v 81 Cycles per PCApply=1 82 Not using Galerkin computed coarse grid matrices 83 Coarse grid solver -- level ------------------------------- 84 KSP Object: (mg_coarse_) 1 MPI processes 85 type: preonly 86 maximum iterations=10000, initial guess is zero 87 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 88 left preconditioning 89 using NONE norm type for convergence test 90 PC Object: (mg_coarse_) 1 MPI processes 91 type: lu 92 out-of-place factorization 93 tolerance for zero pivot 2.22045e-14 94 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] 95 matrix ordering: nd 96 factor fill ratio given 5., needed 1.63333 97 Factored matrix follows: 98 Mat Object: 1 MPI processes 99 type: seqaij 100 rows=60, cols=60 101 package used to perform factorization: petsc 102 total: nonzeros=294, allocated nonzeros=294 103 not using I-node routines 104 linear system matrix = precond matrix: 105 Mat Object: 1 MPI processes 106 type: seqaij 107 rows=60, cols=60 108 total: nonzeros=180, allocated nonzeros=180 109 not using I-node routines 110 Down solver (pre-smoother) on level 1 ------------------------------- 111 KSP Object: (mg_levels_1_) 1 MPI processes 112 type: chebyshev 113 eigenvalue estimates used: min = 0.1, max = 1.1 114 eigenvalues estimate via gmres min 1., max 1. 115 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] 116 KSP Object: (mg_levels_1_esteig_) 1 MPI processes 117 type: gmres 118 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 119 happy breakdown tolerance 1e-30 120 maximum iterations=10, initial guess is zero 121 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 122 left preconditioning 123 using PRECONDITIONED norm type for convergence test 124 estimating eigenvalues using noisy right hand side 125 maximum iterations=3, nonzero initial guess 126 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 127 left preconditioning 128 using NONE norm type for convergence test 129 PC Object: (mg_levels_1_) 1 MPI processes 130 type: sor 131 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 132 linear system matrix = precond matrix: 133 Mat Object: 1 MPI processes 134 type: seqaij 135 rows=120, cols=120 136 total: nonzeros=360, allocated nonzeros=360 137 not using I-node routines 138 Up solver (post-smoother) same as down solver (pre-smoother) 139 Down solver (pre-smoother) on level 2 ------------------------------- 140 KSP Object: (mg_levels_2_) 1 MPI processes 141 type: chebyshev 142 eigenvalue estimates used: min = 0.1, max = 1.1 143 eigenvalues estimate via gmres min 1., max 1. 144 eigenvalues estimated using gmres with translations [0. 0.1; 0. 1.1] 145 KSP Object: (mg_levels_2_esteig_) 1 MPI processes 146 type: gmres 147 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 148 happy breakdown tolerance 1e-30 149 maximum iterations=10, initial guess is zero 150 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 151 left preconditioning 152 using PRECONDITIONED norm type for convergence test 153 estimating eigenvalues using noisy right hand side 154 maximum iterations=3, nonzero initial guess 155 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 156 left preconditioning 157 using NONE norm type for convergence test 158 PC Object: (mg_levels_2_) 1 MPI processes 159 type: sor 160 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 161 linear system matrix = precond matrix: 162 Mat Object: 1 MPI processes 163 type: seqaij 164 rows=240, cols=240 165 total: nonzeros=720, allocated nonzeros=720 166 not using I-node routines 167 Up solver (post-smoother) same as down solver (pre-smoother) 168 linear system matrix = precond matrix: 169 Mat Object: 1 MPI processes 170 type: seqaij 171 rows=240, cols=240 172 total: nonzeros=720, allocated nonzeros=720 173 not using I-node routines 174