{
  "cases": {
    "control_default": {
      "N": 84,
      "dt_us": 0.0625,
      "mesh": {
        "local": true,
        "background_ratio": 2,
        "nominal_background_m": 3.9999999999999996e-05,
        "actual_background_x_m": 3.9999999999999996e-05,
        "actual_background_y_m": 4e-05,
        "fine_m": 1.9999999999999998e-05,
        "physical_cut_m": 0.00024
      },
      "all_step_force_ratio_max": 0.17565979724386482,
      "BE_over_viscous": 0.06713607263006939,
      "viscous_J": 4.8054387546191345e-15,
      "inertial_BE_loss_J": 3.226182852494604e-16,
      "min_h_m": 5.813414730034198e-06,
      "net_into_bath_m3": -1.8314452399720083e-16,
      "flat_bulk_linearized_elastic_scale": {
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        "h_m": 6e-06,
        "speed_m_s": 6.982982660316721,
        "domain_crossing_us": 45.825690190885574,
        "scope": "Current insoluble EOS long-wave linearization only; not measured speed or validated cause of spatial discrepancy. No parameter substitution from literature."
      },
      "recovery_relative_relative_L2": 0.024985418545374918,
      "recovery_material_relative_L2": 0.5510742893962166,
      "recovery_surface_relative_L2": 0.5500602295874336
    },
    "u20_dt00625": {
      "N": 144,
      "dt_us": 0.0625,
      "mesh": {
        "local": false,
        "background_ratio": 2,
        "nominal_background_m": 1.9999999999999998e-05,
        "actual_background_x_m": 2e-05,
        "actual_background_y_m": 2e-05,
        "fine_m": 1.9999999999999998e-05,
        "physical_cut_m": 0.00024
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      "all_step_force_ratio_max": 0.19757214437675066,
      "BE_over_viscous": 0.07527895909061644,
      "viscous_J": 4.811835449458135e-15,
      "inertial_BE_loss_J": 3.622299639505369e-16,
      "min_h_m": 5.805650766877422e-06,
      "net_into_bath_m3": -1.877426561172279e-16,
      "flat_bulk_linearized_elastic_scale": {
        "one_surface_E_N_m": 0.15286901682548035,
        "h_m": 6.000000000000001e-06,
        "speed_m_s": 6.982982660316721,
        "domain_crossing_us": 45.825690190885574,
        "scope": "Current insoluble EOS long-wave linearization only; not measured speed or validated cause of spatial discrepancy. No parameter substitution from literature."
      },
      "recovery_relative_relative_L2": 0.024972059246616305,
      "recovery_material_relative_L2": 0.4577603834562975,
      "recovery_surface_relative_L2": 0.45672394440954217
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    "u20_dt003125": {
      "N": 144,
      "dt_us": 0.03125,
      "mesh": {
        "local": false,
        "background_ratio": 2,
        "nominal_background_m": 1.9999999999999998e-05,
        "actual_background_x_m": 2e-05,
        "actual_background_y_m": 2e-05,
        "fine_m": 1.9999999999999998e-05,
        "physical_cut_m": 0.00024
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      "all_step_force_ratio_max": 0.023249851706154484,
      "BE_over_viscous": 0.03862524438428507,
      "viscous_J": 5.06738158459931e-15,
      "inertial_BE_loss_J": 1.957288520935741e-16,
      "min_h_m": 5.805661093327071e-06,
      "net_into_bath_m3": -1.885812120232304e-16,
      "flat_bulk_linearized_elastic_scale": {
        "one_surface_E_N_m": 0.15286901682548035,
        "h_m": 6.000000000000001e-06,
        "speed_m_s": 6.982982660316721,
        "domain_crossing_us": 45.825690190885574,
        "scope": "Current insoluble EOS long-wave linearization only; not measured speed or validated cause of spatial discrepancy. No parameter substitution from literature."
      },
      "recovery_relative_relative_L2": 0.024977344072062084,
      "recovery_material_relative_L2": 0.4611320119484924,
      "recovery_surface_relative_L2": 0.46009865300037917
    },
    "bg30_dt00625": {
      "N": 99,
      "dt_us": 0.0625,
      "mesh": {
        "local": true,
        "background_ratio": 1.5,
        "nominal_background_m": 2.9999999999999997e-05,
        "actual_background_x_m": 2.8571428571428567e-05,
        "actual_background_y_m": 3.2000000000000005e-05,
        "fine_m": 1.9999999999999998e-05,
        "physical_cut_m": 0.00024
      },
      "all_step_force_ratio_max": 0.1805954119113955,
      "BE_over_viscous": 0.07474162101118519,
      "viscous_J": 4.7627343310038405e-15,
      "inertial_BE_loss_J": 3.5597448434484966e-16,
      "min_h_m": 5.809320306881853e-06,
      "net_into_bath_m3": -1.8707817107502603e-16,
      "flat_bulk_linearized_elastic_scale": {
        "one_surface_E_N_m": 0.15286901682548037,
        "h_m": 6e-06,
        "speed_m_s": 6.982982660316722,
        "domain_crossing_us": 45.82569019088557,
        "scope": "Current insoluble EOS long-wave linearization only; not measured speed or validated cause of spatial discrepancy. No parameter substitution from literature."
      },
      "recovery_relative_relative_L2": 0.02498915425697065,
      "recovery_material_relative_L2": 0.4875796340721213,
      "recovery_surface_relative_L2": 0.48660296144457066
    },
    "bg25_dt00625": {
      "N": 112,
      "dt_us": 0.0625,
      "mesh": {
        "local": true,
        "background_ratio": 1.25,
        "nominal_background_m": 2.4999999999999998e-05,
        "actual_background_x_m": 2.4999999999999998e-05,
        "actual_background_y_m": 2.666666666666667e-05,
        "fine_m": 1.9999999999999998e-05,
        "physical_cut_m": 0.00024
      },
      "all_step_force_ratio_max": 0.18137682249543693,
      "BE_over_viscous": 0.07752717957295076,
      "viscous_J": 4.748720239394595e-15,
      "inertial_BE_loss_J": 3.681548867412505e-16,
      "min_h_m": 5.807296378530421e-06,
      "net_into_bath_m3": -1.8508720507057616e-16,
      "flat_bulk_linearized_elastic_scale": {
        "one_surface_E_N_m": 0.15286901682548032,
        "h_m": 6.000000000000001e-06,
        "speed_m_s": 6.982982660316721,
        "domain_crossing_us": 45.825690190885574,
        "scope": "Current insoluble EOS long-wave linearization only; not measured speed or validated cause of spatial discrepancy. No parameter substitution from literature."
      },
      "recovery_relative_relative_L2": 0.024974276878370876,
      "recovery_material_relative_L2": 0.46661355952417316,
      "recovery_surface_relative_L2": 0.465586485758208
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  },
  "uniform_comparator_time_pair_passed": true,
  "original_space_gate": 0.1,
  "original_time_gate": 0.02,
  "new_background_own_time_pairs": "not run; required before final qualification",
  "uniform20_is_converged_truth": false,
  "full_C1_complete": false,
  "scope": "Background spacing only, original moving-cell-overlap dh/motion criteria; no global dx convergence or physical normal-flux/experimental claim."
}