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 0.0135238 time 0.129489 1514 TS dt 0.00489702 time 0.133796 1615 TS dt 0.0100499 time 0.138693 1716 TS dt 0.0135701 time 0.148743 1817 TS dt 0.0136074 time 0.162313 1918 TS dt 0.00444936 time 0.165984 2019 TS dt 0.00858076 time 0.170433 2120 TS dt 0.013541 time 0.179014 2221 TS dt 0.0136961 time 0.192555 2322 TS dt 0.00532605 time 0.197268 2423 TS dt 0.010851 time 0.202594 2524 TS dt 0.0137439 time 0.213445 2625 TS dt 0.0137662 time 0.227189 2726 TS dt 0.00367174 time 0.22978 2827 TS dt 0.00589472 time 0.233452 2928 TS dt 0.0114309 time 0.239346 3029 TS dt 0.0138401 time 0.250777 3130 TS dt 0.0137489 time 0.264617 3231 TS dt 0.00291312 time 0.266458 3332 TS dt 0.00408174 time 0.269371 3433 TS dt 0.00693935 time 0.273453 3534 TS dt 0.0130397 time 0.280392 3635 TS dt 0.0139752 time 0.293432 3736 TS dt 0.0129219 time 0.307407 38TS Object: 1 MPI process 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 using relative error tolerance of 0.0001, using absolute error tolerance of 0.0001 50 TSAdapt Object: 1 MPI process 51 type: basic 52 safety factor 0.9 53 extra safety factor after step rejection 0.5 54 clip fastest increase 10. 55 clip fastest decrease 0.1 56 maximum allowed timestep 1e+20 57 minimum allowed timestep 1e-20 58 maximum solution absolute value to be ignored -1. 59 SNES Object: 1 MPI process 60 type: newtonls 61 maximum iterations=50, maximum function evaluations=10000 62 tolerances: relative=1e-08, absolute=1e-50, solution=1e-08 63 norm schedule ALWAYS 64 SNESLineSearch Object: 1 MPI process 65 type: bt 66 interpolation: cubic 67 alpha=1.000000e-04 68 maxstep=1.000000e+08, minlambda=1.000000e-12 69 tolerances: relative=1.000000e-08, absolute=1.000000e-15, lambda=1.000000e-08 70 maximum iterations=40 71 KSP Object: 1 MPI process 72 type: gmres 73 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 74 happy breakdown tolerance 1e-30 75 maximum iterations=10000, initial guess is zero 76 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 77 left preconditioning 78 using PRECONDITIONED norm type for convergence test 79 PC Object: 1 MPI process 80 type: mg 81 type is MULTIPLICATIVE, levels=3 cycles=v 82 Cycles per PCApply=1 83 Not using Galerkin computed coarse grid matrices 84 Coarse grid solver -- level 0 ------------------------------- 85 KSP Object: (mg_coarse_) 1 MPI process 86 type: preonly 87 maximum iterations=10000, initial guess is zero 88 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 89 left preconditioning 90 using NONE norm type for convergence test 91 PC Object: (mg_coarse_) 1 MPI process 92 type: lu 93 out-of-place factorization 94 tolerance for zero pivot 2.22045e-14 95 using diagonal shift on blocks to prevent zero pivot [INBLOCKS] 96 matrix ordering: nd 97 factor fill ratio given 5., needed 1.63333 98 Factored matrix follows: 99 Mat Object: (mg_coarse_) 1 MPI process 100 type: seqaij 101 rows=60, cols=60 102 package used to perform factorization: petsc 103 total: nonzeros=294, allocated nonzeros=294 104 not using I-node routines 105 linear system matrix = precond matrix: 106 Mat Object: 1 MPI process 107 type: seqaij 108 rows=60, cols=60 109 total: nonzeros=180, allocated nonzeros=180 110 not using I-node routines 111 Down solver (pre-smoother) on level 1 ------------------------------- 112 KSP Object: (mg_levels_1_) 1 MPI process 113 type: chebyshev 114 Chebyshev polynomial of first kind 115 eigenvalue targets used: min 0.1, max 1.1 116 eigenvalues estimated via gmres: min 1., max 1. 117 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 118 KSP Object: (mg_levels_1_esteig_) 1 MPI process 119 type: gmres 120 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 121 happy breakdown tolerance 1e-30 122 maximum iterations=10, initial guess is zero 123 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 124 left preconditioning 125 using PRECONDITIONED norm type for convergence test 126 estimating eigenvalues using a noisy random number generated right-hand side 127 maximum iterations=3, nonzero initial guess 128 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 129 left preconditioning 130 using NONE norm type for convergence test 131 PC Object: (mg_levels_1_) 1 MPI process 132 type: sor 133 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 134 linear system matrix = precond matrix: 135 Mat Object: 1 MPI process 136 type: seqaij 137 rows=120, cols=120 138 total: nonzeros=360, allocated nonzeros=360 139 not using I-node routines 140 Up solver (post-smoother) same as down solver (pre-smoother) 141 Down solver (pre-smoother) on level 2 ------------------------------- 142 KSP Object: (mg_levels_2_) 1 MPI process 143 type: chebyshev 144 Chebyshev polynomial of first kind 145 eigenvalue targets used: min 0.1, max 1.1 146 eigenvalues estimated via gmres: min 1., max 1. 147 eigenvalues estimated using gmres with transform: [0. 0.1; 0. 1.1] 148 KSP Object: (mg_levels_2_esteig_) 1 MPI process 149 type: gmres 150 restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement 151 happy breakdown tolerance 1e-30 152 maximum iterations=10, initial guess is zero 153 tolerances: relative=1e-12, absolute=1e-50, divergence=10000. 154 left preconditioning 155 using PRECONDITIONED norm type for convergence test 156 estimating eigenvalues using a noisy random number generated right-hand side 157 maximum iterations=3, nonzero initial guess 158 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 159 left preconditioning 160 using NONE norm type for convergence test 161 PC Object: (mg_levels_2_) 1 MPI process 162 type: sor 163 type = local_symmetric, iterations = 1, local iterations = 1, omega = 1. 164 linear system matrix = precond matrix: 165 Mat Object: 1 MPI process 166 type: seqaij 167 rows=240, cols=240 168 total: nonzeros=720, allocated nonzeros=720 169 not using I-node routines 170 Up solver (post-smoother) same as down solver (pre-smoother) 171 linear system matrix = precond matrix: 172 Mat Object: 1 MPI process 173 type: seqaij 174 rows=240, cols=240 175 total: nonzeros=720, allocated nonzeros=720 176 not using I-node routines 177