Browsing School of Engineering by Author "TEIXEIRA, RUI DUARTE"
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Adaptive Kriging with biased randomisation for reliability analysis of complex limit state functions
TEIXEIRA, RUI DUARTE; O'Connor, Alan; Nogal, Maria (2019)The present paper researches an innovative approach in the application of meta-modelling for reliability analysis. It consists in the usage of a priori knowledge about the problem being analysed in order to improve the ... -
Analysis of Offshore Wind Turbines : Probabilistic assessment of operational design
TEIXEIRA, RUI DUARTE (Trinity College Dublin. School of Engineering. Disc of Civil Structural & Environmental Eng, 2019)The demand for renewable energy is unquestionable. Global climate trends have been fomenting the urge for renewable, low carbon-footprint technologies. Wind energy is one of the most prominent alternatives to conventional ... -
Fatigue reliability using a multiple surface approach
TEIXEIRA, RUI DUARTE; O'Connor, Alan; Nogal, Maria (2019)Reliability analysis for offshore wind turbine structural fatigue is an effort demanding task. The new trends in the design of these systems, such as, the usage of alternative computational fluid dynamics or finite element ... -
On the calculation of offshore wind turbine load spectra for fatigue design
TEIXEIRA, RUI DUARTE; Nogal, Maria; O'Connor, Alan (2018)The present work researches on the definition of the load spectra used for offshore wind turbine low SN slope materials’ fatigue design. Uncertainty in the sample sized used to scale fatigue life is analyzed for the tower ... -
On the suitability of the Generalised Pareto to model extreme waves
TEIXEIRA, RUI DUARTE; Nogal, Maria; O'Connor, Alan (2018)Dealing with extreme events implies working with events that have low probability of occurrence. To characterize these, the peak-over-threshold method alongside the generalized Pareto distribution is commonly applied. ... -
Probabilistic sensitivity analysis of offshore wind turbines using a transformed Kullback-Leibler divergence
TEIXEIRA, RUI DUARTE; O'Connor, Alan; Nogal, Maria (2019)Characterizing uncertainty in complex systems is steadily growing as a topic of interest. One of the efficient ways to characterize a complex system is achieved by probabilistic sensitivity analysis. In the context of this ... -
Surrogate infill criteria for operational fatigue reliability analysis
TEIXEIRA, RUI DUARTE; O'Connor, Alan; Nogal, Maria (2018)Analysis of Offshore Wind Turbine (OWT) fatigue damage is an intense, resource demanding task. While the current methodologies to design OWT to fatigue are quite limited in the way and amount of uncertainty they can ...