Material Model Library

• Assigning material properties for FEA
• Selecting materials for device design
• Validating simulation models
• Conducting parametric studies

Prerequisites

• Analysis type defined
• Loading conditions characterized
• Relevant tissue/material types identified
• Accuracy requirements established

Best Practices

• Verify material sources and validation status
• Consider patient-specific variations
• Account for rate-dependency when relevant
• Document material model assumptions

Process Integration

This skill integrates with the following processes:

• Finite Element Analysis for Medical Devices
• Biomaterial Selection and Characterization
• Orthopedic Implant Biomechanical Testing
• Scaffold Fabrication and Characterization

Dependencies

• Material property databases
• Literature compilations
• Experimental characterization data
• FEA software material libraries
• Material testing standards

Configuration

material-model-library:
  tissue-types:
    - cortical-bone
    - cancellous-bone
    - cartilage
    - tendon
    - ligament
    - muscle
    - skin
    - vascular
  implant-materials:
    - Ti-6Al-4V
    - CoCrMo
    - PEEK
    - UHMWPE
    - stainless-steel
  model-types:
    - linear-elastic
    - hyperelastic
    - viscoelastic
    - poroelastic

Output Artifacts

• Material property datasets
• Constitutive model parameters
• Material cards for FEA software
• Property validation reports
• Literature reference lists
• Uncertainty quantification data
• Material selection recommendations
• Model fitting results

Quality Criteria

• Material properties from validated sources
• Model parameters appropriate for loading conditions
• Uncertainty properly characterized
• References properly documented
• Models validated against experimental data
• Assumptions clearly stated