{
  "id": "https://uofa.net/nagaraja/cou1/factor/model-form",
  "type": "CredibilityFactor",
  "factorType": "Model form",
  "requiredLevel": 2,
  "achievedLevel": 2,
  "factorStatus": "assessed",
  "acceptanceCriteria": "Goal (b): influence of key assumptions explored — frictional contact between rod-screw, bonded threads vs frictional threads, elastoplastic Ti-6Al-4V material model. [Nagaraja §2.3-2.4]",
  "rationale": "Three contact assumptions evaluated. Bonded-thread approximation produced QoIs within 3% of frictional thread; elastoplastic material model with measured Ti-6Al-4V stress-strain curve used.",
  "factorStandard": "ASME-VV40-2018"
}