Supplemental material for Effect of train speed and track geometry on the ride comfort in high-speed railways based on ISO 2631-1

Supplemental Material for Effect of train speed and track geometry on the ride comfort in high-speed railways based on ISO 2631-1 by Chi Liu, David Thompson, Michael J Griffin and Mani Entezami in Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit