Noise and vibration mitigation for rail transportation systems proceedings of the 12th international workshop on railway noise, 12-16 September 2016, Terrigal, Australia - Anderson, David; Gautier, Pierre-Etienne; Iida, Masanobu; Nelson, James T.; Thompson, David J.; Tielkes, Thorsten; Towers, David A.; Vos, Paul de; Nielsen, Jens C. O. (Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 2018)