{
  "provenance": "clean-room reconstruction; no recovered user source code was available",
  "benchmark": "2-D cantilever compliance minimization",
  "method": "Q4 plane-stress FEM + SIMP + sensitivity filter + OC update",
  "config": {
    "nelx": 18,
    "nely": 6,
    "volfrac": 0.4,
    "penal": 3.0,
    "rmin": 1.5,
    "max_iter": 80,
    "tolerance": 0.01,
    "young": 1.0,
    "young_min": 1e-09,
    "poisson": 0.3
  },
  "iterations": 64,
  "converged": true,
  "initial_compliance": 1802.5563175314833,
  "final_compliance": 563.5913504292218,
  "compliance_reduction_percent": 68.73377297853118,
  "final_volume_fraction": 0.39999339671025064,
  "final_maximum_change": 0.009516254295894588,
  "maximum_displacement": 563.5913504291858
}