MARIN and University of Southampton (Next Generation Computational Modelling Initiative) are sponsoring two PhD projects on overlapping-grids, unsteady flows for ships and offshore constructions. See the complete list at http://www.ngcm.soton.ac.uk/projects/projects-EU-applicants.html , and look for ReFRESCO. If you are an EU citizen and a good “CFD candidate” please apply directly in the website.