Next Generation Wind Turbine Simulation

The QBlade Software

QBlade is an advanced multi-physics software designed to facilitate the comprehensive aero-servo-hydro-elastic development, prototyping, simulation, and certification of wind turbines.

This powerful tool enables highly detailed simulations of wind turbine designs, featuring physics models that are more than 30 times faster than real-time. All of this functionality is accessible through an intuitive and user-friendly graphical interface.

QBlade is available as standalone software for both Windows and Linux operating systems, with two distinct releases tailored for non-commercial and commercial applications. 

You can utilize QBlade for various purposes, including:

  • Wind Turbine Design (HAWT, VAWT and Multi-Rotor)
  • Floater Design and Numerical Testing
  • Controller Testing and Optimization
  • IEC Design Load Certification
  • Wind Farm Simulations and Wake Interaction Studies
  • Digital Twins in Python or Matlab Environments
This image shows different wind turbine designs that were created in the QBlade software

Results You Can Rely On

Ensuring the reliability of simulation results is of utmost importance when conducting wind turbine design, optimization or certification tasks. QBlade has undergone rigorous validation and verification against experimental data and other aeroelastic codes, based on a substantial amount of different datasets and models.

Throughout the software development process, we have conducted numerous validation and verification campaigns. Moreover, the broader user community has actively contributed to this effort by applying the software in practical, real-world scenarios. This comprehensive validation covers all aspects of aerodynamics, structural dynamics and hydrodynamics, both as individual components and in complex, fully coupled scenarios.

For the most up-to-date technical reports and peer-reviewed publications on QBlade, please visit our Publications List.

Quick facts

A constant and driving force during the whole software development process is to make wind turbine design and simulation effortless, fun and accessible to everyone.

Sophisticated User Interface

QBlade comes with a fully featured GUI for pre- and post processing using a custom developed dynamic graph class. In addition, all simulations are beautifully rendered in 3D real time visualizations.

Ultra Fast Performance

QBlade leverages the current computer architecture by utilizing CPU and GPU parallelization techniques in an efficient low level C++ implementation for an unprecedented numerical performance. Full aero-servo-hydro-elastic wind turbine simulations at more than 30x real time speed!

Highly Versatile Formulation

QBlade can be used to design and simulate custom wind turbine designs, on- or offshore. Create and simulate custom tower, floater or jacket based turbines with single- and multi-rotor designs, vertical- or horizontal axis.

Advanced Numerical Models

QBlade employs state-of-the-art and beyond robust numerical models - such as free vortex wake aerodynamics, non-linear corotational beams and second order hydrodynamics for an unparalleled accuracy.

Dual License Scheme

QBlade is available as a free public "Community Edition" for academic users and as an optimized & extended "Enterprise Edition" with dedicated support and training packages for commercial users.

> 200,000

world wide downloads

> 12

years of Development

> 1600 x

referenced in publications

> 40

completed industry projects


Interested? Then check out more...



Our Services

Frequently Asked Questions

Is QBlade Open Source?

The source code is publicly available, but strictly speaking, no. Since the release of QBlade 2.0 we have changed from the GPLv2 license to the Academic Public License (APL) . This means that the software and source code of QBlade are freely available to the public - but are restricted to non-commercial use only. While for non-commercial use the APL resembles the GPL license, allowing for free modification and redistribution of the code under the APL, commercial users need to aquire a commercial license to use the software.

Do I need a license to use QBlade?

If you use QBlade for non-commercial research or hobby you can use QBlade-CE and its source code free of charge under the APL License . In a commercial setting you require a commercial license for QBlade-EE. QBlade-CE may be used for the purpose of evaluation. Find out more in the License Information section.

Can I run QBlade on my Mac?

At the moment QBlade is only available for Windows and Linux. However, in general it can be cross-compiled for Mac-OS. In the near future we will also release a Mac version. Stay tuned until the Mac version is available in the Downloads section.

Can I use old .wpa project files with QBlade 2.x?

Unfortunately - no. We have made the decision to cut the compatibility with old releases in favor of a much cleaner code base. However, with our vastly extended import functionality you should have no problem to get your data inside QBlade 2.x. Have a look at the Data Objects Import and Export section in the docs.

Where can I get support for QBlade?

Have a look at the Documentation first, if you dont find an answer check out our QBlade Forum. For commercial users we are also offering dedicated training packages and on demand remote support and troubleshooting.

Is QBlade on Github or Gitlab?

For now the official live repository is not available online. However you can download the QBlade-CE source code of the latest release from the Downloads section. We are very open to contributions - if you want to contribute just send us a mail request to . If you encounter a bug or find error there is a dedicated section in our Forum for bug reporting.

QBlade Community Edition VS. Enterprise Edition

QBlade is released in two versions: the public Community Edition “QBlade-CE” and the commercial Enterprise Edition “QBlade-EE”. The Enterprise Edition of QBlade includes several essential, practical and timesaving addons and improvements for a production-ready application by commercial users, such as automation, scripting and dramatically increased performance. A feature-based comparison between both versions is shown in the table below:

FeatureQBlade Community Edition
QBlade Enterprise Edition
License TypeAcademic Public LicenseCommercial License
Commercial Use Allowednoyes
Included software trainingnoyes
Supportuser’s forumdedicated on-demand support
Source Code Avaliabilitypublicclosed
Aero-Hydro-Elastic Modellingyesyes
Wind and Wave Generationyesyes
Graphical User Interfaceyesyes
Text Based Object Import and Exportyesyes
Software in Loop (SIL) Interfaceyesyes
Modal Analysis, Campbell Diagram, Aeroelastic Power Curvenoyes
Higher Order Particle Wake Aerodynamicsnoyes
Multi-Rotor Turbine Designnoyes
Multi-Turbine Windpark Simulationsnoyes
IEC Compliant DLC Preprocessor (61400-1, 61400-2, 61400-3, 61400-2-3)noyes
Command Line Interface & Batch Automationnoyes
Full Parallelization and Optimized Librariesnoyes
Real World Performance~ 1x real time at 20Hz~ 30x real time at 20Hz


This project has received funding from the EU’s Horizon 2020 research and innovation programme within the FLOATECH project under grant agreement No 101007142

This project has received funding from the German Science Foundation within the DFG-PAK-780 project: wind turbine load control under realistic turbulent inflow conditions

QBlade was created in a Diploma Thesis supervised by G. Pechlivanoglou with relentless support from the Herman-Föttinger Institute at TU Berlin led by Prof. C. O. Paschereit and C. N. Nayeri!

The complete structural model in QBlade is based on the amazing multi-physics library Project-Chrono. The support of Prof. A. Tassora and all other Chrono developers is greatly acknowledged.