fea-structural

# Finite Element Analysis Skill ## Purpose Provide expert finite element analysis capabilities for aerospace structural analysis including static stress, buckling, and dynamic response. ## Capabilities - NASTRAN, ABAQUS, ANSYS model setup - Mesh generation and quality metrics - Element type selection and justification - Load case definition and combination - Boundary condition specification - Static stress analysis execution - Buckling and stability analysis - Results post-processing and margin calculation ## Usage Guidelines - Select appropriate element types based on structural geometry and loading - Verify mesh quality metrics meet aerospace standards - Apply proper load factors per certification requirements - Use correct material allowables for temperature and environment - Calculate margins of safety using appropriate failure criteria - Document all modeling assumptions and simplifications ## Dependencies - MSC NASTRAN - ABAQUS - ANSYS - HyperMesh - Femap ## Process Integration - AE-007: Finite Element Analysis Workflow - AE-008: Fatigue and Damage Tolerance - AE-009: Composite Structure Design