open source simulation code for railway vehicle system dynamics
ref:
Wang, J., Song, C., Zhang, D., Li, D., and Qu, S. (November 17, 2022). "Fast and Stable Iterative Algorithm for Searching Wheel–Rail Contact Point Based on Geometry Constraint Equations." ASME. J. Comput. Nonlinear Dynam. January 2023; 18(1): 011004. https://doi.org/10.1115/1.4056134