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Is that offshore tower strong enough? Software tells.

By Paul Dvorak | January 6, 2012

The 3D modelling functionality in GeniE allows traditional beam modelling of the slender parts while the complex transition between the wind tower and supporting structure can be accurately modelled using shell elements.

DNV is launching design software for ultimate strength and fatigue analysis of offshore wind turbine structures – Sesam GeniE Wind. Building on 40 years as a design tool for engineering floating and fixed offshore structures, the Sesam module addresses the wind industry’s need to model the combined effect of wind and wave loads.

Since its launch in 1969, Sesam software has been a leading tool for engineering offshore structures. The new tailor-made module, GeniE Wind, can be used for design and fatigue analyses of wind turbine substructures. Its analysis functions complies with the DNV offshore standard DNV-OS-J101 Design of Offshore Wind Turbines. Fatigue and ultimate strength calculations can be performed based on direct time-series simulations of combined wave and wind loads.

“The design module for the wind energy industry means that DNV can now offer a complete software solution for the entire value chain, from construction through installation, in-place, modification and removal conditions,” says Torbjørn Lindemark, product manager at DNV.

“The software gives a precise determination of the strength in this part as compared to pure beam modelling. Wave loads are generated by the program and combined with imported wind load time series to determine the combined response for the fatigue and strength analysis. S-N curves and stress-concentration factors for tubular joints are assigned to the fatigue hot spots to speed up the analysis process,” says Mr Lindemark, Director of DNV Software.

DNV Software: Sesam GeniE Wind
www.dnv.com/geniewind


Filed Under: Construction, News, Software

 

About The Author

Paul Dvorak

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