Carbody elastic vibrations of high-speed vehicles caused by bogie hunting instability
L Wei, J Zeng, M Chi, J Wang - Vehicle System Dynamics, 2017 - Taylor & Francis
In particular locations of the high-speed track, the worn wheel profile matched up with the
worn rail profile will lead to an extremely high-conicity wheel–rail contact. Consequently, the …
worn rail profile will lead to an extremely high-conicity wheel–rail contact. Consequently, the …
A finite element methodology to model flexible tracks with arbitrary geometry for railway dynamics applications
The dynamic analysis of railway vehicles requires an accurate representation of the vehicle,
the track geometry and structure, and their interaction. Generally, flexible track models with …
the track geometry and structure, and their interaction. Generally, flexible track models with …
A railway track dynamics model based on modal substructuring and a cyclic boundary condition
This article presents a technique for modelling the coupled dynamics of a railway vehicle
and the track. The method is especially useful for simulating the dynamics of high speed …
and the track. The method is especially useful for simulating the dynamics of high speed …
Measurement of railroad track irregularities using an automated recording vehicle
This paper presents the design, construction and experimental validation of a scaled railway
vehicle for the automated and quick survey of the geometry of an experimental scaled track …
vehicle for the automated and quick survey of the geometry of an experimental scaled track …
Dynamic interaction of the monorail–bridge system using a combined finite element multibody-based model
M Naeimi, M Tatari, A Esmaeilzadeh… - Proceedings of the …, 2015 - journals.sagepub.com
To assess the dynamic behavior of monorail–bridge system, an innovative model of train–
guideway interaction has been developed based on multibody dynamics and finite element …
guideway interaction has been developed based on multibody dynamics and finite element …
Shaking analysis of high-speed train's carbody when cross lines
Y Qi, H Dai, C Song, S Qu - Journal of Mechanical Science and …, 2019 - Springer
The high-speed train will exhibit different vibration characteristics when running on different
lines. When the equivalent conicity of the wheel rail profile is larger, the critical speed of the …
lines. When the equivalent conicity of the wheel rail profile is larger, the critical speed of the …
Modelling of structural flexiblity in multibody railroad vehicle systems
This paper presents a review of recent research investigations on the computer modelling of
flexible bodies in railroad vehicle systems. The paper will also discuss the influence of the …
flexible bodies in railroad vehicle systems. The paper will also discuss the influence of the …
Influence of rail flexibility in a wheel/rail wear prediction model
The aim of this paper is to study the influence of rail flexibility when a wheel/rail wear
prediction model that computes the material loss based on an energy approach is used. The …
prediction model that computes the material loss based on an energy approach is used. The …
A novel methodology to automatically include general track flexibility in railway vehicle dynamic analyses
The interaction between the rolling stock and the infrastructure plays a crucial role in railway
vehicle dynamics. The standard approach consists of using a multibody formulation to model …
vehicle dynamics. The standard approach consists of using a multibody formulation to model …
A referenced nodal coordinate formulation
H Ren, K Yang - Multibody System Dynamics, 2021 - Springer
We develop a referenced nodal coordinate formulation (RNCF) to study the dynamics of
flexible bodies undergoing large-distance travels and/or high-speed rotations. RNCF is …
flexible bodies undergoing large-distance travels and/or high-speed rotations. RNCF is …