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OpenWindPower - Offshore wind turbine analysis software

Explore design alternatives, predict performance and deliver safe, cost-effective offshore wind farm structures with OpenWindPower.


Design offshore wind turbines

Analyze wave and wind loading

Perform coupled or uncoupled analysis

Predict stress cycles with fatigue analysis

Ensure offshore code compliance


What is OpenWindPower? What is OpenWindPower used for?

OpenWindPower is offshore wind turbine analysis software. You can count on OpenWindPower for both fixed foundation or floating platform offshore wind turbine projects. Take a look below at the two different software applications, OpenWindPower Fixed Foundation and OpenWindPower Floating Platform, to get a better understanding of what each includes.


What is OpenWindPower Fixed Foundation?

OpenWindPower Fixed Foundation provides you everything you need for the design and analysis of offshore wind turbine structures. Subject to wave, wind, and mechanical loading, OpenWindPower Fixed Foundation makes it easy to predict both fatigue and extreme loads for the substructure and nonlinear foundation.

Analyze wave and wind loading

Wave loading can be represented by either a time history or in spectral form. A random wave surface profile may be determined from a wave height spectral density function using multiple random seeds. Similarly, the wind loading can be input as time history or as a random loading developed from various spectra.

Perform coupled or uncoupled analysis

Interface to the GH Bladed and FAST software and account for the full coupling between wave, wind, and the wind-induced mechanical loading for a multimodal response analysis. The GH Bladed multicore interface is fully automated, allowing users to efficiently manage hundreds of time history simulations required for fatigue analysis. Alternatively, the wind-induced mechanical force time history can be assumed to be independent of the wave and wind loads for an uncoupled analysis. For a random analysis, equivalent static loads—representing both inertia loading and hydrodynamic/aerodynamic loading—may be created as part of the analysis at time points selected either automatically by the program, at user-specified times, or any specified time increment.

Predict stress cycles with fatigue analysis

The OpenWindPower Fixed Foundation fatigue analysis method uses the Rainflow counting approach to predict the stress cycles resulting from a time history analysis—including the ability to sequentially accumulate the damage from multiple analysis simulations for numerous wind speeds and seastates.



What is OpenWindPower Floating Platform?

OpenWindPower Floating Platform helps you quickly explore design alternatives so you deliver safe, cost-effective floating wind farm structures in the least amount of time. It includes automated tools that help determine hydrodynamic, aerodynamic and structural loading and analyze environmental conditions, mooring configurations, and define a range of operating conditions.

  • Create accurate hydrodynamic and structural models of any floating platform, graphically or by script.
  • Simulate moorings in both the frequency and time domains.
  • Optimize the interaction between the floating platform and the wind turbine.
  • Utilize the superior structural code checking to post process calculated time domain loads contained within a common solution file.
  • Ensure structural compliance to offshore design codes by using built-in checking.
  • Filter results for critical conditions.
  • Optimize design and configuration for compliance to numerous current and past international codes, including API, AISC, EC, ISO, DNV, and Norsok.
  • Deliver compliance documentation.​​


Professional Static Offshore Package 

Contains capabilities for offshore jackets, wharfs, and dolphin structures 

Includes interactive graphics modeled with advanced 3D capabilities and interactive graphics post processor, seastate, joint can, pile, combine, gap, tow, and LDF large deflection 

Features automatic model generation, beam and finite element capability, steel code check and redesign, environmental load generation, tubular connection check, single pile/soil interaction, inertia and moving load generation, tension/compression nonlinear elements with initial gap, load case combination, linear large deflection analysis, and full output report and plotting capabilities 

Plastic Nonlinear Add-on 

Includes nonlinear foundation, and nonlinear and plastic analysis capabilities 

Plastic analysis includes pushover, ship impact, and blast nonlinear analysis 

Collapse view interactive collapse results processor 

Pile-soil Interaction 

Features the PSI nonlinear soil/pile/structure interaction program module 

Advanced Dynamic Fatigue Package 

Contains the modules required to perform any dynamic deterministic, time history, or spectral fatigue analysis 

Fatigue Life Evaluation and Redesign 

Spectral, time history, and deterministic fatigue analysis 

Cyclic stress range calculation procedures include wave search, curve fit, and interpolation 

SCF calculations recommended by API (including 21st ed. supplements), HSE, DNV, DS449, and Norsok Codes 

Automatic redesign 

API (including 21st ed. supplements), AWS, HSE, and Norsok thickness dependent recommended S-N curves 

Multiple run damage accumulation 

Pierson-Moskowitz, JONSWAP, Ochi-Hubble double peak, simplified double peek, Von-Karman, Harris, Kaimal, and user-defined spectra  

Automated or user-specified connection details 

Pile fatigue analysis 

Wave spectra creation from scatter diagram 

Paris equation used to predict crack growth rate due to cyclic stresses 

Load path dependent joint classifications 

Includes wave spreading effects 

Reservoir (rain flow) cycle counting method 

ISO 19902 

Dynamic Superelement

Dynamic superelement module based upon the Craig Bampton approach 

Compliant with Siemens BHawC aeroelastic code 


Cấu hình

Core 2 or better CPU 

Operating System
Windows 7, Windows 8 

Minimum 2 GB of RAM 

Hard Disk 
Minimum 10 GB of free hard disk space  

Graphics card supporting Open GL128 MB RAM or greater video card with 1280x1024 or higher video resolution

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