Periodic structures possess frequency bandgaps wherein the waves cannot pass through.
Here, the propagation behaviour of vertical and lateral flexural waves and its control in a …

Excessive vibration and noise radiation of the track structure can be caused by the operation
of high speed trains. Though the track structure is characterized by obvious periodic …

针对有限截取长度轨道结构边界反射波干扰的问题, 基于轨道的周期结构特性,
采用子结构迭代法建立轨道有限元模型, 研究了不同钢轨动力吸振器安装位置 …

Vibrations generated from the passage of trains including that from metros often get
transmitted to the adjacent structures including buildings. This problem is particularly serious …

Based on the substructure synthesis method, a new finite element track model is established
to eliminate the influence of the end boundary wave reflection on the numerical results. The …

为研究城市轨道交通高架线路敷设阻尼钢轨前后列车通过时段噪声变化规律,
以敷设了阻尼钢轨的广州某高架线路为研究对象, 通过对高架线路敷设阻尼钢轨前后轨道旁 …

High-order wheel polygonal wear is a significant concern on China's high-speed trains; thus
far, no satisfactory solution to prevent polygonal wear has been provided. In this study, a …

高分子弹性材料是钢轨吸振器的组成之一, 其刚度和阻尼参数具有频变特性.
为探明该特性对吸振器的减振降噪效果的影响, 以某款钢轨吸振器为例, 首先对其刚度和阻尼 …

The urban environment is characterized by diverse noise sources, which include various
modes of transport, industrial activities, household disturbances, and recreational activities …

In order to study the variation of train pass-by noise before and after installing damping rail
on urban rail transit elevated line, a Guangzhou viaduct with damping rail was taken as the …