To predict the rail's noise radiation, the receptance analysis model of the track system is built in this thesis. In this model, the rail is described by three-dimension solid element and the sleeper is described by elastic beam element.
为了预测钢轨辐射的滚动噪声,本文建立了轨道系统模型计算钢轨的导纳,在模型中,钢轨采用三维实体单元模拟,轨枕采用弹性梁单元模拟。
参考来源 - 客运专线有碴轨道轮轨滚动噪声研究On the basis of linear theory for axially non-extensible beam, Hamilton system is established for thermal pre-buckling of elastic beam with fixed-fixed ends.
针对两端固支不可移弹性梁,温度均匀变化,在几何小变形,轴线不可伸长的假设下,建立了弹性梁热前屈曲问题的哈密顿体系。
参考来源 - Hamilton体系下弹性梁的热屈曲·2,447,543篇论文数据，部分数据来源于NoteExpress
The boundary value problem usually describes the deformation of elastic beam with both fixed end-points.
该边值问题通常描述了具有固定两端点的弹性梁的形变。
This paper discusses the solvability of an elastic beam equation under asymptotic nonuniform nonresonance condition.
在弹性梁方程满足渐近非一致非共振条件时，讨论了方程解的存在性。
Stress and strain of elastic beam under inertial load was analyzed, and modal analysis of elastic structure was figured out.
分析了在惯性载荷作用下的弹性梁的应力及应变，并对弹性结构进行了模态分析。
应用推荐