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Research Interests

Pooh, his back against one of the trees, and his paws folded in front of him, said "Oh!" and "I didn't know," and thought how wonderful it would be to have a Real Brain which could tell you things. He shook his head, and said to himself, "I'm not getting it right." A.A.Milne

Developing and implementing analytic techniques for solving boundary-value problems arising from problems in linearised water wave theory, acoustics, electromagnetics and elasticity.

A particular emphasis on:

  • Renewables & wave power: how to convert ocean wave energy into electrical energy.
  • Invisibilty cloaking and metamaterials in water waves.
  • The interaction between ocean waves and ice sheets.
  • Trapped modes, edge waves and Rayleigh-Bloch waves in water waves, elasticity and acoustics.
  • Wave interaction with large periodic arrays.
  • Wave scattering by topography and marine structures.
People

  • Awarded a EPSRC New Horizons grant to investigate "Water wave metamaterials in the design of ocean wave energy converters"
  • Sarah Crowley worked with me on an EPSRC funded position under INNOVATE UK on a project with WITT Ltd on wave energy converter design from 2015-2016. Now at WaveC in Portugal.
  • Tim Williams worked with me on a NZ Marsden Grant on ocean wave/ice sheet interaction from 2007-2010. Now at NERSC in Norway.
Some illustrations of research
  • An animation of the motion of a square flexible floating ice sheet under oblique wave incidence. Uses a powerful analytic method which only requires the solution of typically 4x4 systems of equations.

  • A movie of experiments performed by Dominic Taunton and Philip Wilson from Southampton University at Plymouth University's COAST wave tank facility on a primitive model of the WITT wave energy converter. Alongside is the comparison between theory and experiments for motions in heave, surge, pitch and pendulum roll.

  • A movie from experiments performed by John Chaplin at Southampton University in a long narrow wave tank on motion trapped modes (these are free self-sustaining motions of a coupled body/fluid system. Alongside is the comparison between theory and experiments for the first symmetric and first antisymmetric motion trapped modes.

  • An animation of a Gaussian beam perfectly transmitting energy through a metamaterial slab (called a metamaterial in this case because it has negative refractive index.)