About
6
Publications
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Introduction
PhD Candidate focused on hydrodynamic analysis and structural response of large-diameter monopile offshore wind turbines. Working experience in offshore marine contractor specialized in heavy lift projects and installation of marine pipelines. Scientific background in Offshore & Mechanical Engineering.
Skills and Expertise
Education
September 2013 - September 2015
September 2007 - September 2012
University of Thessaly
Field of study
- Mechanical Engineering
Publications
Publications (6)
The importance of foundation modelling for the support-structure fatigue damage estimation of a 10 MW monopile based offshore wind turbine is investigated in different operational states and wind-wave misalignment conditions. Three different models are used: (1) a non-linear elasto-plastic model including hysteretic behaviour effects, (2) a linear...
Fatigue damage is one of the governing factors for the design of offshore wind turbines. However, the full fatigue assessment is a time-consuming task. During the design process, the site-specific environmental parameters are usually condensed by a lumping process to reduce the computational effort. Preservation of fatigue damage during lumping req...
The study presents different methods for fatigue assessment of monopile-based offshore wind turbines. Their accuracy and computational time is compared to full long-term time domain results. The damage-equivalent lumping method from Katsikogiannis et al. (2021) is further examined using nonlinear fully coupled time domain models as well as simplifi...
The input for fatigue analyses of offshore wind turbines is typically chosen based on design values provided by design standards. While this provides a straightforward design methodology, the contribution of different input parameters to the uncertainty in the fatigue damage estimates is usually unknown. This knowledge is important to have when imp...
This study examines the influence of probabilistic models for wave parameters in the joint environmental model and hydrodynamic/soil models on extreme mudline bending moments for monopile-based wind turbines at representative wind speeds, using the environmental contour method. For significant wave height, the 3-parameter Weibull model using the me...
As a part of the assessment of foundation resistance for monopiles, several offshore wind standards prescribe symmetric 35-hour (or 42-hour) storm sequences in terms of wind speed and significant wave height. The temporal evolution of the peak period is not specified explicitly in the standards, despite the fact that large monopile wind turbines ar...
