Feargal Brennan

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About

Dr. Feargal Brennan is a leading authority in offshore renewable energy and structural integrity, with a particular focus on the reliability of wind turbine support structures and bolted connections. His pioneering work bridges experimental mechanics, non-destructive evaluation, and robotics to solve critical challenges in offshore wind infrastructure. Among his most impactful contributions is the development of a novel phased array ultrasonic method for robotic preload measurement in bolted connections, published in 2024 and already garnering 12 citations. This work integrates nonlinear acoustoelasticity, finite element analysis, and robotic deployment to enable in-situ assessment of bolt integrity—a vital capability for maintaining safety and performance in harsh offshore environments. Dr. Brennan’s research has profound implications for reducing maintenance costs and extending the operational life of wind farms. His broader portfolio includes foundational studies on fatigue, fracture, and structural health monitoring, with his papers collectively cited thousands of times. A respected mentor and collaborator, he has shaped the next generation of offshore energy engineers through his leadership in major EU and UK research projects. Dr. Brennan’s work exemplifies how rigorous engineering science can directly enhance the sustainability and resilience of renewable energy systems.