Structural Integrity Assessment of Offshore Wind Turbine Foundations
31st March 2023 - 10:00-17:00 BST
Date & Time
31st March 2023 - 10:00-17:00 BST
Available on Demand?
Until 7th April 2023
Given the harsh environment of offshore wind turbines, a major design and O&M challenge is the corrosion and fatigue of the structure. This webinar is designed to give attendees a more rounded appreciation of the unique considerations that should be given to the structural integrity assessment of offshore wind turbine foundations.
Several areas will be covered including:
1. Fatigue crack initiation and growth in offshore structures
A brief introduction to S-N curves, Linear Elastic Fracture Mechanics, Stress intensity factor
2. Defect assessment using failure assessment diagrams
Life prediction of cracked components and structures using level I, II and III FADs
3. Fracture mechanics based inspection
Paris law, Fatigue crack length estimation and inspection using the Paris law
4. Corrosion-fatigue testing and analysis of offshore monopile weldments
An introduction to corrosion-fatigue testing and analysis, Environmental Reduction Factor, Estimation of crack growth acceleration in free-corrosion environment, Demonstration of a case study: SLIC Joint Industry Project
5. Welding residual stresses in offshore wind monopiles
Residual stress measurement using destructive and non-destructive techniques, welding sequence effects on residual stress distribution in offshore wind monopiles, residual stress effects on fatigue crack initiation and propagation, demonstration of a case study: residual stress measurements in monopile weldments using neutron diffraction and contour techniques
Prof. Ali Mehmanparast (PhD, MBA, CEng, CMgr) is a Professor of Structural Integrity at University of Strathclyde and the Manager of the Cranfield-Oxford-Strathclyde Universities Renewable Energy Marine Structures Centre for Doctoral Training (REMS CDT). Ali sits on the Engineering Integrity Society (EIS) Durability and Fatigue committee, the UK Forum for Engineering Structural Integrity (FESI Council) and is a member of the European Structural Integrity Society (ESIS). He is a Chartered Engineer of IMechE, fellow of The Higher Education Academy and fellow of the Chartered Management Institute. He has more than 100 peer reviewed journal and conference papers in the field of engineering structural integrity, and has organised and chaired technical sessions at international conferences. Ali was a member of the technical delivery team for the Structural Lifecycle Industry Collaboration (SLIC) Joint Industry Project, the PI of the Rutherford Appleton Laboratory funded project on welding residual stress effects on fatigue life assessment of monopiles, the academic lead of the Carbon Trust funded project on offshore wind turbine foundation flange study and the PI of research projects funded by the Supergen Wind Hub and Supergen ORE Hub on floating and fixed-bottom offshore wind turbine foundations.
Attendance certificates are available on request after the completion of the webinar.
The format of this event will be a webinar using "Zoom Webinars".
There will be opportunity to interact with the lecturer throughout the session, both though allocated Q&A sessions, or leaving text based questions throughout the presentation which the lecturer will be able to answer at convenient opportunities.
The cost of registering for this virtual course will be £275+VAT.
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