1SPACE, David Keir Building, Queen's University, Belfast, BT9 5AG, UK
2Department of Mechanical and Aerospace Engineering, The University of Strathclyde, 75 Montrose Street, Glasgow, G1 1XJ, UK
3Civil & Environmental Engineering, The University of Auckland, 20 Symonds Street, Auckland, New Zealand
4Department of Mechanical and Aerospace Engineering, Queen's University, Belfast BT9 5AH, UK
5Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong