{
  "meta": {
    "author": "Aniruddha Shah",
    "location": "Palatine, IL -> Shackleton Crater",
    "date": "2026-07-17",
    "purpose": "Transient thermal modeling for Al-Steel dome interfaces",
    "version": "1.0"
  },
  "materials": {
    "aluminum_6061": {
      "density_kg_m3": 2700,
      "cp_j_kg_k": 897,
      "k_w_m_k": 167,
      "alpha_per_k": 23.6e-6,
      "yield_strength_pa": 276e6
    },
    "steel_4130": {
      "density_kg_m3": 7850,
      "cp_j_kg_k": 502,
      "k_w_m_k": 44.5,
      "alpha_per_k": 11.9e-6,
      "yield_strength_pa": 760e6
    }
  },
  "boundary_conditions": {
    "mars_surface_min_k": 130,
    "mars_dome_target_k": 290,
    "delta_t_max_k": 160
  }
}