Influence of the suspension model in the simulation of the vertical vibration behavior of the railway vehicle car body

M Dumitriu, II Apostol, DI Stănică - Vibration, 2023 - mdpi.com
The evaluation of the vibration behavior of railway vehicle car bodies based on the results of
numerical simulations requires the adoption of an appropriate theoretical model of the …

A new passive approach to reducing the carbody vertical bending vibration of railway vehicles

M Dumitriu - Vehicle System Dynamics, 2017 - Taylor & Francis
This paper brings to view a new passive approach regarding the reduction of the flexible
carbody vertical bending vibration of railway vehicles via two anti-bending bars fixed onto …

Study on the evaluation methods of the vertical ride comfort of railway vehicle—mean comfort method and sperling's method

M Dumitriu, DI Stănică - Applied Sciences, 2021 - mdpi.com
The paper herein analyzes the ride comfort at the vertical vibrations of the railway vehicle,
evaluated by two methods—mean comfort method and Sperling's method. The two methods …

Effect of the anti-yaw damper on carbody vertical vibration and ride comfort of railway vehicle

M Dumitriu, DI Stănică - Applied Sciences, 2020 - mdpi.com
The theoretical research on means to reduce the vertical vibrations and improve the ride
comfort of the railway vehicle relies on a mechanical model obtained from the simplified …

Correlation between Ride Comfort Index and Sperling's Index for Evaluation Ride Comfort in Railway Vehicles

M Dumitriu, MC Leu - Applied Mechanics and Materials, 2018 - Trans Tech Publ
Ride comfort is a reference point in evaluating the dynamic performance in railway vehicles.
There are more methods to assess the ride comfort, depending on the traffic details and the …

[PDF][PDF] Influences of carbody vertical flexibility on ride comfort of railway vehicles

M Dumitriu, C Cruceanu - Archive of Mechanical Engineering, 2017 - journals.pan.pl
The article investigates the influence of the carbody vertical flexibility on the ride comfort of
the railway vehicles. The ride comfort is evaluated via the comfort index calculated in three …

Scale models to verify the effectiveness of the methods to reducing the vertical bending vibration of the railway vehicles carbody: Applications and design elements

M Dumitriu, T Mazilu, II Apostol - Applied Sciences, 2023 - mdpi.com
The purpose of this paper is to present applications and design elements of scale models of
the carbody of railway vehicles integrated in experimental laboratory systems to verify the …

[PDF][PDF] 多悬挂设备对高速列车乘坐舒适性影响分析

贺小龙, 张立民, 鲁连涛 - 机械工程学报, 2018 - qikan.cmes.org
为研究悬挂多设备对高速列车舒适度指标影响规律, 建立车体-设备的27 自由度的刚柔耦合数学
模型, 获得车体及车下设备悬挂系统的加速度频率响应函数表达式, 结合德国垂向不平顺轨道谱 …

Influence of suspended equipment on the carbody vertical vibration behaviour of high-speed railway vehicles

M Dumitriu - Archive of mechanical engineering, 2016 - journals.pan.pl
The equipment mounted on the carbody chassis of the railway vehicles is a critical
component of the vehicle in terms of ride comfort. The reason for that is their large mass …

Ride comfort enhancement in railway vehicle by the reduction of the car body structural flexural vibration

M Dumitriu - IOP conference series: materials science and …, 2017 - iopscience.iop.org
The paper approaches the issue of reduction in the vertical bending vibrations of the railway
vehicle carbody and the ride comfort enhancement at high velocities, starting from the …