Solving with Q1 elements, adaptive refinement ============================================= Cycle 0: Number of active cells: 64 Number of degrees of freedom: 81 Cycle 1: Number of active cells: 124 Number of degrees of freedom: 157 Cycle 2: Number of active cells: 280 Number of degrees of freedom: 341 Cycle 3: Number of active cells: 577 Number of degrees of freedom: 690 Cycle 4: Number of active cells: 1099 Number of degrees of freedom: 1264 Cycle 5: Number of active cells: 2191 Number of degrees of freedom: 2452 Cycle 6: Number of active cells: 4165 Number of degrees of freedom: 4510 Cycle 7: Number of active cells: 7915 Number of degrees of freedom: 8440 Cycle 8: Number of active cells: 15196 Number of degrees of freedom: 15912 cycle cells dofs L2 H1 Linfty 0 64 81 1.576e-01 1.418e+00 2.707e-01 1 124 157 4.285e-02 1.285e+00 1.469e-01 2 280 341 1.593e-02 7.909e-01 8.034e-02 3 577 690 9.359e-03 5.096e-01 2.784e-02 4 1099 1264 2.865e-03 3.038e-01 9.822e-03 5 2191 2452 1.480e-03 2.106e-01 5.679e-03 6 4165 4510 6.907e-04 1.462e-01 2.338e-03 7 7915 8440 4.743e-04 1.055e-01 1.442e-03 8 15196 15912 1.920e-04 7.468e-02 7.259e-04 Solving with Q1 elements, global refinement =========================================== Cycle 0: Number of active cells: 64 Number of degrees of freedom: 81 Cycle 1: Number of active cells: 256 Number of degrees of freedom: 289 Cycle 2: Number of active cells: 1024 Number of degrees of freedom: 1089 Cycle 3: Number of active cells: 4096 Number of degrees of freedom: 4225 Cycle 4: Number of active cells: 16384 Number of degrees of freedom: 16641 cycle cells dofs L2 H1 Linfty 0 64 81 1.576e-01 1.418e+00 2.707e-01 1 256 289 4.280e-02 1.285e+00 1.444e-01 2 1024 1089 1.352e-02 7.556e-01 7.772e-02 3 4096 4225 3.423e-03 3.822e-01 2.332e-02 4 16384 16641 8.586e-04 1.917e-01 6.097e-03 n cells H1 L2 0 64 1.418e+00 - - 1.576e-01 - - 1 256 1.285e+00 1.10 0.14 4.280e-02 3.68 1.88 2 1024 7.556e-01 1.70 0.77 1.352e-02 3.17 1.66 3 4096 3.822e-01 1.98 0.98 3.423e-03 3.95 1.98 4 16384 1.917e-01 1.99 1.00 8.586e-04 3.99 2.00 Solving with Q2 elements, global refinement =========================================== Cycle 0: Number of active cells: 64 Number of degrees of freedom: 289 Cycle 1: Number of active cells: 256 Number of degrees of freedom: 1089 Cycle 2: Number of active cells: 1024 Number of degrees of freedom: 4225 Cycle 3: Number of active cells: 4096 Number of degrees of freedom: 16641 Cycle 4: Number of active cells: 16384 Number of degrees of freedom: 66049 cycle cells dofs L2 H1 Linfty 0 64 289 1.606e-01 1.278e+00 3.029e-01 1 256 1089 7.638e-03 5.248e-01 4.816e-02 2 1024 4225 8.601e-04 1.086e-01 4.827e-03 3 4096 16641 1.107e-04 2.756e-02 7.802e-04 4 16384 66049 1.393e-05 6.915e-03 9.971e-05 n cells H1 L2 0 64 1.278e+00 - - 1.606e-01 - - 1 256 5.248e-01 2.43 1.28 7.638e-03 21.03 4.39 2 1024 1.086e-01 4.83 2.27 8.601e-04 8.88 3.15 3 4096 2.756e-02 3.94 1.98 1.107e-04 7.77 2.96 4 16384 6.915e-03 3.99 1.99 1.393e-05 7.94 2.99 Solving with Q2 elements, adaptive refinement =========================================== Cycle 0: Number of active cells: 64 Number of degrees of freedom: 289 Cycle 1: Number of active cells: 124 Number of degrees of freedom: 577 Cycle 2: Number of active cells: 289 Number of degrees of freedom: 1353 Cycle 3: Number of active cells: 547 Number of degrees of freedom: 2531 Cycle 4: Number of active cells: 1057 Number of degrees of freedom: 4919 Cycle 5: Number of active cells: 2059 Number of degrees of freedom: 9223 Cycle 6: Number of active cells: 3913 Number of degrees of freedom: 17887 Cycle 7: Number of active cells: 7441 Number of degrees of freedom: 33807 Cycle 8: Number of active cells: 14212 Number of degrees of freedom: 64731 cycle cells dofs L2 H1 Linfty 0 64 289 1.606e-01 1.278e+00 3.029e-01 1 124 577 7.891e-03 5.256e-01 4.852e-02 2 289 1353 1.070e-03 1.155e-01 4.868e-03 3 547 2531 5.962e-04 5.101e-02 1.876e-03 4 1057 4919 1.977e-04 3.094e-02 7.923e-04 5 2059 9223 7.738e-05 1.974e-02 7.270e-04 6 3913 17887 2.925e-05 8.772e-03 1.463e-04 7 7441 33807 1.024e-05 4.121e-03 8.567e-05 8 14212 64731 3.761e-06 2.108e-03 2.167e-05