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Mrs Jelena Vasiljevic - Petrovic
PhD Student

Email: jelena.vasiljevic-petrovic@brunel.ac.uk

Civil and Environmental Engineering
College of Engineering, Design and Physical Sciences

Research area(s)

This PhD research aims to develop an advanced design procedure for fluid viscous damping systems (FVDs) used in offshore wind turbines, with a focus on environmental effects such as temperature fluctuations, wind, and wave loads. The project has three main objectives:

• Addressing temperature effects on FVDs: Offshore wind turbines are exposed to extreme environmental conditions, including fluctuating temperatures. These changes can affect the performance of the fluid inside viscous dampers. The aim is to study the behaviour of FVDs under varying environmental loads to enhance their reliability in offshore conditions.

• Applying Bayesian statistics to update theoretical models: Offshore environments present many uncertainties, including those associated with wave and wind loads and temperature fluctuations. Bayesian statistical methods will allow to update the performance models of FVDs, incorporating real-world data and accounting for the inherent uncertainties in environmental loads.

• Conducting multi-physics simulations using COMSOL or/and ABAQUS or/and ANSYS: By integrating fluid-temperature-structure interactions in multi-physics simulations, damper behaviour will be assessed under combined environmental loads. These simulations will be critical for refining the design procedures of FVDs in offshore wind turbines.

The combination of Bayesian statistical updating and multi-physics simulations will lead to a design procedure that enables the consideration of the effect of temperature change in FVDs on the output force from the FVDs for the design of FVDs to be used in offshore wind turbines.