{
  "passed": true,
  "checks": [
    {
      "family": "main-steam",
      "coarse_dofs": 35280,
      "refined_dofs": 81984,
      "port_displacement_relative_change": 0.00044756746079017073,
      "first_three_frequency_max_relative_change": 0.0016137777099091144
    },
    {
      "family": "hot-reheat",
      "coarse_dofs": 35280,
      "refined_dofs": 81984,
      "port_displacement_relative_change": 0.001735987052724895,
      "first_three_frequency_max_relative_change": 0.004319019092489551
    },
    {
      "family": "cold-reheat",
      "coarse_dofs": 35280,
      "refined_dofs": 81984,
      "port_displacement_relative_change": 0.005042800728126558,
      "first_three_frequency_max_relative_change": 0.009485639455817152
    },
    {
      "family": "feedwater",
      "coarse_dofs": 35280,
      "refined_dofs": 81984,
      "port_displacement_relative_change": 0.0003626870579491558,
      "first_three_frequency_max_relative_change": 0.0014583722677886657
    }
  ],
  "scope": "Four isolated R/D=3 bends, 100 K + gravity; same rigid-port and 12 fixed-interface mode assumptions. Not full-route mesh convergence or local stress verification."
}