Wind Turbine Structural Load Analysis with Claude
Calculate and verify wind turbine structural loads across IEC 61400 design scenarios
What You Can Do
You can organize complex multi-load scenarios—gravitational, aerodynamic, hydrodynamic, inertial, and thermal—into verified load cases that comply with IEC 61400-1 standards. Claude helps you map design situations into quantified load combinations, create traceable load case documentation, and identify missing or contradictory inputs before FEA submission, reducing rework cycles during detailed design phases.
Features
Organize and categorize gravitational, aerodynamic, hydrodynamic, inertial, and thermal loads into structured frameworks
Translate IEC 61400 operating scenarios (normal production, grid faults, extreme events) into quantified load combinations
Automatically structure load case definitions with traceability links to design situations and load sources
Cross-check load envelopes against IEC 61400-1 requirements and site-specific wind class parameters
Generate peer-reviewable load case documents with assumptions, source data, and calculation methods clearly stated
Handle parallel load cases across different wind classes, grid codes, or platform variants
Identify missing design situations, contradictory load inputs, and incomplete load combinations before FEA submission
Create audit-ready documentation linking load values to source assumptions and environmental data
Example Output
Example 1: Normal Power Production Load Case
Load Case: NP-001 (IEC DS 6.2 - Normal Operation, Rated Power)
Design Situation: Normal power production
Wind Speed: 12.5 m/s (50-year return period)
Wind Class: IIA
Structural Loads:
- Rotor thrust (aerodynamic): 850 kN → Main bearing radial
- Tower bending moment (wind shear): 3,240 kN·m → Tower base
- Gravity + pitch angle (gravitational): 180 kN → Blade root flapwise
- Gyroscopic moment (rotor rotation): 240 kN·m → Yaw system
- Drivetrain torque (generator): 4,200 kN·m → Main shaft
Load combination: 1.0 × (thrust + wind shear + gravity + pitch) + 1.15 × drivetrain torque
Fatigue analysis: 10-min binned load histogram per wind speed bin
Example 2: Grid Fault Load Case
Load Case: EX-003 (IEC DS 7.1 - Extreme Event, Grid Loss)
Design Situation: Sudden grid disconnection (loss of normal load path)
Duration: 0.5 seconds transition
Structural Loads:
- Emergency pitch deployment inertial load: 120 kN·m → Pitch drive (extreme transient)
- Uncontrolled rotor acceleration moment: 580 kN·m → Shaft (0.3 s ramp)
- Tower side-side bending (oscillation): 4,890 kN·m → Tower base (dynamic amplification × 1.6)
- Brake thermal transient load: 95 kN·m → Mechanical brake assembly
Load combination: 1.35 × (pitch inertial + rotor accel) + 1.5 × tower oscillation + 1.0 × thermal
Ultimate safety factor: 1.35 applied per IEC 61400-1 § 6.5.2
What's Included
- SKILL.md instruction file: Complete framework for systematic load analysis workflow
- IEC 61400-1 design situation checklist: Mapping template for all 14 primary design situations (normal production, maintenance, extreme events)
- Load case documentation template: Structured format with fields for design situation, load sources, combinations, and traceability
- Multi-load scenario organizer: Framework for managing gravitational, aerodynamic, hydrodynamic, inertial, and thermal load categories
- Verification checklist: Quality gates for identifying missing design situations, contradictory inputs, and incomplete combinations before FEA handoff
Who It's For
- Wind turbine structural engineers — Developing load specifications for new platforms or platform updates
- Certification engineers — Preparing load documentation for design reviews and certification body audits
- FEA analysts — Validating load case inputs and assumptions before finite element analysis
- Platform engineering teams — Managing load scenarios across multiple wind classes and grid code variants
- Design review leads — Auditing existing load cases for compliance and completeness during design gateway reviews
Best For
- Load case generation — Systematically creating and documenting structural load cases for all IEC 61400 design situations
- Multi-load scenario organization — Synthesizing aerodynamic, environmental, and operational data into verified load combinations
- IEC 61400-1 compliance verification — Cross-checking load envelopes against standard requirements and site-specific parameters
- Design phase transitions — Preparing audit-ready load documentation during concept-to-detailed design handoff
- Load case audits and rework reduction — Identifying missing design situations and contradictory inputs before FEA submission
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