The speaker for this Engineering Research Seminar is John R Chaplin, Emeritus Professor at the University of Southampton.
The offshore oil and gas industry needs tools for predicting the motion of very long riser pipes, which typically extend down from the surface to the seabed, a distance of as much as 3000m. In currents, risers undergo vortex-induced vibrations (VIV) and because of the likelihood of fatigue damage, and of clashing, considerable efforts have been directed at understanding their excitation and response. Similar problems may arise in marine cables and umbilicals. Laboratory measurements provide a good source of data for assessing the accuracy of industry standard and research software, which in some case is rather poor, and for testing suppression devices.
Professor John Chaplin is an Emeritus Professor within Engineering and the Environment at the University of Southampton.
John graduated in Civil Engineering at the University of Bristol in 1967 and obtained a PhD from the same department three years later. After a research assistant post in hydromechanics at Karlsruhe University, Germany, he joined Rendel Palmer and Tritton, consulting engineers, London, where he supervised research on flow-induced vibrations of the rising sector gates of the Thames Barrier.
In 1974 he was appointed Lecturer in Civil Engineering at the University of Liverpool, where he worked on wave loading on offshore structures and developed a track record for innovative large scale laboratory experiments. In 1985 he moved to British Maritime Technology Limited as a research engineer in the same field, and a year later was appointed to the Chair of Hydraulics at City University London. After well-funded research on a wide range of problems in fluid-structure interaction he became Professor of Applied Fluid Mechanics at the University of Southampton in 1999, where he specialises in water wave mechanics, vortex-induced vibrations, and wave energy conversion.
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