1. Institute for Aerospace Technology and The Composites Research Group, University of Nottingham UK
2. Department of Mechanical Engineering University of Bristol Bristol BS8 1TR UK
3. CEA‐List, NDT department Gif‐Sur‐Yvette 91191 France
4. KU Leuven, Department of Mechanical Engineering & Mecha(tro)nic System Dynamics (LMSD), Ghent Technology Campus Belgium