Effect of misaligned, pre-damaged, and rough surfaces on erosion and surface modification patterns on W PFCs Project ID: WP MST1-HLT20 Provider: European Union Period: Jan 01, 2017 - Dec 31, 2018 Principal Investigator: Renaud Dejarnac, Dr. Co-investigators M. Komm, J. Horáček, P. Vondráček Aims of the project: Experimental and numerical characterization of head loads on different protruding lamellas during melt experiments in AUG