{
  "passed": true,
  "cases": 108,
  "new_components": 24,
  "solid_displacement_dofs": 35280,
  "analytic_mass_max_relative_error": 0.011384070534667168,
  "free_axial_expansion_max_relative_error": 4.60964599824365e-12,
  "maximum_equilibrium_residual": 3.264318895571468e-12,
  "scope": "Exact checks and independent same-ROM assembly; mesh convergence and plant validation not claimed."
}