WAsP Suite 12.1 is the latest major version of the industry-standard PC software for wind resource assessment, siting, and energy yield calculations for wind turbines and wind farms, developed by DTU Wind and Energy Systems . This release introduces an important enhancement to the wind modeling engine.
Key New Feature: Geostrophic Wind Shear Model
The most significant improvement in version 12.1 is the geostrophic wind shear model, which enhances wind climate prediction accuracy .
| Capability | Description |
|---|---|
| Model Enhancement | WAsP now accounts for geostrophic wind shear, improving the prediction of wind conditions, especially for horizontal extrapolation |
| Implementation | The model uses automatically filled parameters for shear magnitude and direction from global CFSR reanalysis data |
| Validation | Testing across 1085 cross-predictions shows minor but consistent improvements over WAsP 12 without shear |
| Technical Constraint | Geostrophic wind shear is truncated beyond 0.012 s⁻¹ to prevent unexpected results |
Core Capabilities
The WAsP Suite provides a complete toolset for wind energy projects :
- Wind Resource Assessment: Transform observed wind data to generalized wind climates and map wind resources over selected areas
- Energy Yield Calculations: Predict production for single turbines and wind farms, including wake loss modeling
- Siting & Site Assessment: Support IEC 61400-1 site assessment, including mean wind speed, wind shear, turbulence, and flow inclination
- Physical Models: Includes IBZ linear flow model for flat to moderately complex terrain and easy access to WAsP CFD for complex terrain
Applications & Users
- Industry Standard: Over 6,000 licenses sold in 125+ countries, with more than 250 certified WAsP users
- Applications: Wind farm planning, turbine siting, energy yield calculations, and wind resource mapping
- Course Availability: Self-study courses available through DTU Learn for Life, covering WAsP characteristics, limitations, best practices, and pitfalls
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