Subject:                     DNV GL's Bladed newsletter: Issue 2


DNV GL's Bladed newsletter: Issue 2

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Dear Bladed User,

Welcome to issue 2 of the Bladed Newsletter.

This newsletter is designed with you in mind and we hope that you enjoyed the first issue (sent to you in August).

If there are any features or additions that you like to see in future issues, please email Bladed Support.

Best regards,

Bladed Support 

4.8 spotlight: New aerodynamic documentation

A considerable amount of work has been undertaken and completed on the new aerodynamics model for Bladed 4.8. Please review this document which shows the verification of the new model, as well as the quantification of possible changes to the load and power performance predictions.

4.8 spotlight: Superelement user guide

Bladed 4.8 supports a superelement approach for offshore support structures, allowing a reduced jacket model to be imported to Bladed from offshore codes such as SESAM. This document details how to use the feature and presents initial verification work.

European Bladed User Conference - link to presentations third annual European Bladed User Conference was held on 10 November in Hamburg, Germany. Over 50 attendees represented 25 companies and we look forward to an even bigger conference next year. It was great to meet you and we look forward to meeting more of you at the next event.

This year’s conference showcased presentations, as well as software and user experience workshops. Topics included: Multi-part blade validation and loads study, blade stability tool, Bladed 5, new aerodynamics verification, floating wind and dynamic mooring lines, LiDAR simulation and hardware test. Three presentations were delivered by guest speakers. If you would like to be considered for a presentation at the next conference, please email Bladed Support.

All presentations from this conference can be obtained from the
 customer portal.

Highlight on Bladed software training: Floating wind

This training course offers in-depth insight into floating wind turbine modelling. It provides detailed guidance on implementing the more advanced features available within Bladed which relate to floating wind. The five day “standard” training programme can be tailored to match an individual company’s requirements, if needed. The agenda includes: hydrodynamic theory, floating wind technology, modelling sea states and wave structures, control system considerations and adaptations, floating load calculations, mooring lines, platform verification/validation, certification standards, and more.

Did you know…

DNV GL invests 5% of its annual turnover into research and innovation projects. DNV GL has collaborated with many customers on Joint Industry Projects (JIPs) in 2016 and the following utilise Bladed:

1. Validation of turbulence models
The aim of this JIP is to gain a deeper understanding of turbulence models and their impact on wind turbine loading; allowing development of recommendations to guide the industry through load validation and site assessment. The JIP is in progress and comprises Siemens, Statoil, Suzlon, DONG, GE, TechnoCentre Éolien, NREL, Gamesa, DTU Wind, Christian Michelsen Research AS and DNV GL.

2. Coupled analysis for floating wind turbines
This project is the first of its kind, bringing together multiple stakeholders from the wind, oil & gas and maritime industries, making it the most interdisciplinary project focused on the technical advancement of floating offshore wind projects. Despite strong progress on the development of floating offshore wind turbines, the wind industry is still missing a widely recognised and unified approach for the practical methods to build and validate numerical models, in accordance with the requirements in the standards. This JIP aims to mutually develop a standard in conjunction with thirteen other partners.


In DNV GL we unite the strengths of DNV, KEMA, Garrad Hassan, and GL Renewables Certification. DNV GL's 2,500 energy experts support customers around the globe in delivering a safe, reliable, efficient, and sustainable energy supply. We deliver world-renowned testing, certification and advisory services to the energy value chain including renewables and energy efficiency. Our expertise spans onshore and offshore wind power, solar, conventional generation, transmission and distribution, smart grids, and sustainable energy use, as well as energy markets and regulations. Our testing, certification and advisory services are delivered independent from each other. Learn more at

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