{
  "resolved_variant": "M07b",
  "sf_fem_worst_source": "same static hull as M07a (SR-023F)",
  "per_module_notes": [],
  "hull": {
    "sf_fem_basis_worst": 2.534,
    "sigma_static_MPa": 84.85,
    "sigma_b_srss_MPa": 0.0005,
    "shock_penalty_pct_of_static": 0.001,
    "sigma_vm_MPa": 84.85,
    "sf_hull": 2.534,
    "note": "SF derived from CCX FEM baseline (FINAL_CASCADE_AUTHORITATIVE_2026-06-16.md) plus DDAM bending increment. Bending increment = 0.001% of static stress.",
    "mode_details": [
      {
        "mode_n": 1,
        "f_hz": 8461.6,
        "eff_mass_frac": 0.8106,
        "a_dsv_g": 0.0454,
        "F_eff_N": 6.7,
        "M_n_Nm": 0.4,
        "sigma_b_n_MPa": 0.0005
      },
      {
        "mode_n": 3,
        "f_hz": 76154.0,
        "eff_mass_frac": 0.0901,
        "a_dsv_g": 0.005,
        "F_eff_N": 0.1,
        "M_n_Nm": 0.0,
        "sigma_b_n_MPa": 0.0
      },
      {
        "mode_n": 5,
        "f_hz": 211538.8,
        "eff_mass_frac": 0.0324,
        "a_dsv_g": 0.0018,
        "F_eff_N": 0.0,
        "M_n_Nm": 0.0,
        "sigma_b_n_MPa": 0.0
      }
    ],
    "mass_frac_retained": 0.9331,
    "r_o_m": 0.162,
    "hull_I_m4": "1.2719e-04"
  },
  "jetson": null,
  "pcb_solder": {
    "f_n_Hz": 154.8,
    "a_dsv_g": 7.7519,
    "g_rating": 20.0,
    "margin": 2.58,
    "pass": true
  },
  "battery": null,
  "worst_margin": 2.534,
  "worst_item": "hull_SF",
  "checks": {
    "hull_SF_pass": true,
    "pcb_pass": true,
    "jetson_pass": "N/A_NOT_JETSON_MODULE",
    "battery_pass": "N/A_NOT_BATTERY_PACK_MODULE"
  },
  "physical_test_to_close": {
    "standard": "MIL-DTL-901E",
    "closure_action": "PASS \u2192 validated_vs_reality: CONFIRMED"
  }
}