Introduction.- Simple models for cross flow turbines.- Suppressing vortex induced vibrations of wind turbine blades with flaps.- Prediction of the wake behind a horizontal axis tidal turbine using LES-ALM.- Harmonic balance Navier-Stokes analysis of tidal stream turbine wave loads.- Analysis of the aerodynamic loads on a wind turbine in off-design conditions.- An algorithm for the generation of biofouled surface for applications in marine hydrodynamics.- A higher-order Chimera method based on moving least squares.- A review on two methods to detect spatio-temporal patterns in wind turbines.- Towards numerical simulation of offshore wind turbines using anisotropic mesh adaptation.