{
  "case": "structural_dynamics / beam impact modal superposition (FFT)",
  "geometry": {
    "L_m": 2.0,
    "cross_section_m": [
      0.1,
      0.1
    ]
  },
  "material": {
    "E_Pa": 210000000000.0,
    "nu": 0.3,
    "rho_kg_m3": 7800.0
  },
  "load": {
    "F_total_N": 1000.0,
    "traction_Pa": 99999.99999999999
  },
  "solver": {
    "time_scheme": "edmc-1",
    "edmc_chi": 0.0,
    "dt_s": 0.000795367825309484,
    "num_steps": 420,
    "mesh_size_factor": 1.5,
    "mesh_order": 2
  },
  "analytical": {
    "f1_hz": 20.954665421852503,
    "f2_hz": 131.32171261180662,
    "T1_s": 0.04772206951856904
  },
  "measured": {
    "f_peak_raw_bin_hz": 21.17976436681381,
    "f_peak_refined_hz": 21.196508908161054,
    "raw_bin_width_hz": 2.993523631693215,
    "sampling_rate_hz": 1257.2799253111502
  },
  "error_pct": 1.1541271666229729,
  "final_error_pct": 1.1541271666229729,
  "pass": true,
  "elapsed_s": 1182.288696527481
}