Reduced order models for railway induced vibration based on the Proper Generalized Decomposition. KU Leuven
A model order reduction technique, the Proper Generalized Decomposition (PGD), is presented for the assessment of railway induced vibration. The methodology is elaborated for 2.5D track-soil models exploiting the geometrical invariance of the track and soil. Firstly, the standard PGD methodology is described. The formulation is introduced for a beam on aWinkler foundation and extended to a 2.5D ballast track. Secondly, two alternative PGD ...