Structural Integrity Assessment of Offshore Wind Turbine Foundations

Given the harsh environment of offshore wind, a major design and O&M challenge is the corrosion and fatigue of the structure. This workshop is designed to give engineers 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 leaving delegates with a more rounded appreciation of the fatigue issues relevant to offshore wind foundations. Throughout the course, tutorials and practical considerations will be used to consolidate the knowledge gained by the attendees and gauge their understanding.



Fatigue crack initiation and growth in offshore structures (followed by a tutorial)

A brief introduction to S-N curves, Linear Elastic Fracture Mechanics, stress intensity factor, Paris law


Fracture toughness testing and analysis of materials in offshore structures (followed by a tutorial)

An introduction to Elastic-Plastic Fracture Mechanics, JIC fracture toughness testing and analysis for life prediction of ductile materials


Defect assessment using failure assessment diagrams (followed by a tutorial)

Life prediction of cracked components and structures using level I, II and III FADs


Fracture mechanics based inspection (followed by a tutorial)

Fatigue crack length estimation and inspection using the Paris law


Corrosion-fatigue testing and analysis of offshore monopile weldments (followed by a case study)

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


Welding residual stresses in offshore wind monopiles (followed by a case study)

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


About the Lecturer

Dr Ali Mehmanparast (PhD, CEng, MBA) is a Senior Lecturer in Structural Integrity at Cranfield University 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 and a fellow of The Higher Education Academy. He has more than 80 peer reviewed journal and conference papers in the field of engineering structural integrity, and has organised and chaired technical sessions at international conferences. Ali is the manager of the Structural Integrity Laboratory at Cranfield University and a member of the technical delivery team for the Structural Lifecycle Industry Collaboration (SLIC) Joint Industry Project. Moreover, he is the PI of the Rutherford Appleton Laboratory funded project on welding residual stress measurements in offshore wind turbine monopiles, the academic lead of the Carbon Trust funded project on offshore wind turbine foundation flange study and the PI of the Cranfield-Imperial SUPERGEN Wind Hub funded project on floating offshore wind turbine foundations.


Registration will open at a later date. If you would like to attend please contact us at and we will notify you with any future dates.