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   横向刚度 在 汽车工业 分类中 的翻译结果: 查询用时:0.442秒
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横向刚度
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  transverse stiffness
The transverse stiffness of the gastrocnemic muscles and the relationship between the strength of the crural muscles and the angle of talocrural articulation were investigated.
      
In the present work, the influence of the fibre treatment on the transverse stiffness of glass/epoxy unidirectional laminates is discussed.
      
Axial and transverse stiffness measures of cochlear outer hair cells suggest a common mechanical basis
      
It has been found that the correction introduced by taking into account the transverse shearing stressesis determined by the ratio of longitudinal stiffness to shear modulus as well as by the ratio of longitudinal to transverse stiffness.
      
Anisotropic polymer foams have been prepared, which exhibit a Poisson's ratio exceeding 1, and ratios of longitudinal to transverse stiffness exceeding 50.
      
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This paper is a survey of design methods for autmotive power plant mounting systems. Locating the front and rear mounts according to the impact center theory of rigid-body is an effective way for automobiles to achieve good ride performance. In addition, the position of the center of the engine's unbalanced reciprocal inertia force and, influences of the vertical bending vibration modes of automotive power plant and vehicle body should also be considered. The mounting system with V-formed arrangement can uncouple...

This paper is a survey of design methods for autmotive power plant mounting systems. Locating the front and rear mounts according to the impact center theory of rigid-body is an effective way for automobiles to achieve good ride performance. In addition, the position of the center of the engine's unbalanced reciprocal inertia force and, influences of the vertical bending vibration modes of automotive power plant and vehicle body should also be considered. The mounting system with V-formed arrangement can uncouple elastically the power plant modal motions in the transverse and roll directions, and it will have sufficient transverse stiffness and roll flexibility. So the power plant with the V-formed mounting system can obtain an uncoupled modal vibration round the torque axis of the power plant, and the rigid-body modal frequencies of the power plant can be well-matched with the natural vibration frequencies of other subsystems of automobile.

作者系统总结和分析了汽车动力总成 悬置系统的设计思想。应用刚体的撞击中心理论布置动力总成的前、后悬置,同时兼顾动力总成和车身的垂向弹性弯曲振动模态的影响以及发动机往复不平衡惯性力的作用中心,可有效提高汽车的舒适性。V型布置的悬置组能解除动力总成、悬置系统横移、侧倾自由度之间的弹性耦合,既有较大的横向刚度,又有足够的侧倾柔度;既有利于获得动力总成的第一阶刚体模态为绕扭矩轴做侧倾振动的模态,也便于该系统刚体模态频率与汽车其它子系统固有频率之间的合理分配,从而获得良好的怠速隔振性能。

A static finite element model of an air spring was given. The deformation and the change of the performance of the air spring on various conditions were analyzed by application of the finite element method. The force and displacement curves were obtained. From these curves, the stiffness of the transverse direction increases with increase in the fabric cord and the pressure.

文中建立了空气弹簧的静态有限元模型。运用有限元分析软件在充分考虑材料非线性、几何非线性和状态非线性的条件下,分析了在不同情况下空气弹簧的变形情况以及静刚度等性能的变化。得到了空气弹簧横向刚度特性的曲线图。由模拟刚度特性曲线可知,空气弹簧的横向刚度随着帘线角和压力的增大而增大,呈非线性特征,且随着帘线角的增大,横向刚度趋于线性。

 
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