Charting Unprecedented Frontiers:
Navigating Precision in Tower Evolution
Alexander Schenk
Head of Department Support Structures Fraunhofer IWES
Conference Day 1
9:00 AM Experimental and numerical analyses of innovative tower designs for onshore wind turbines
• Lightweight tower designs with reduced wall thicknesses can lower steel
and concrete masses of wind turbine support structures
• However, natural frequencies as well as buckling resistance have to be
taken into account – additional stiffening structures are usually employed
• IWES together with Nordex, the university of Hannover and other partners
have designed and performed various experiments to investigate these
issues (including a 4-point-bending test setup of a tower model with a
diameter of 1500 mm), and derived sophisticated numerical models to
predict buckling failure.
Alexander Schenk
Head of Department, Support Structures
Fraunhofer IWES
Focus Day
9:50 AM From Tip/Top to bottom – challenges in validation of structural components for off-shore wind turbines
• Off-shore wind turbine structural validation faces challenges from top to
bottom, requiring thorough analysis and testing.
• Extreme loading conditions necessitate robust validation techniques to
ensure component integrity.
• Validation at the tip involves assessing aerodynamics, material fatigue, and
structural response.
• Validation at the bottom involves evaluating foundation stability and
dynamic interaction with the supporting structure.
Dr. Steffen Czichon,
Head of Department
Fraunhofer IWES
Alexander Schenck
Head of Department, Support Structures
Fraunhofer IWES
Check out the incredible speaker line-up to see who will be joining Alexander.
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