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space free vibration
相关语句
  空间自由振动
     SPACE FREE VIBRATION ANALYSES OF TRACK STRUCTURE
     轨道结构空间自由振动分析
短句来源
     In this paper,the space free vibration analysis model for track structure is established.
     本文建立了轨道结构空间自由振动模型。
短句来源
     The effect of viscous damper on the stay cable is studied in the paper. The differential equation for space free vibration is derived . It is taken into consideration such as the bending stiffness,cable sag,and cable inclination.
     考虑索的抗弯刚度及垂度的影响 ,推导了索的空间自由振动微分方程 ,结合分离变量及中心差分法将偏微分方程在空间内离散 ,用状态空间法求解复模态特征方程 ,从而求出系统的最大模态阻尼比 ,并求出最优阻尼器系数。
短句来源
  “space free vibration”译为未确定词的双语例句
     Railway Track Space Free Vibration Analysis by Finite Element Method
     直线轨道空间动力特性分析的有限单元法
短句来源
     Curved Track Space Free Vibration Analysis by Finite Element Method
     曲线轨道空间动力特性分析的有限单元法
短句来源
     This paper analyses the space free vibration of curved railway track by finite element method.
     本文采用有限单元法分析铁路曲线轨道空间动力特性,为此作者建立了具有34个自由度的曲线轨道空间振动分析有限单元模型.
短句来源
     Combined with Xiatangkou Wujiang long-span railway bridge, its space model is created by shell element of ANSYS and three-dimensional beam element of SAP in this thesis. Firstly,its space free vibration character is analyzed by FEM method,and introduce the influence of the main parameter of structure for bridge's free vibration character.
     本文以下塘口乌江大桥为研究对象,采用ANSYS的板单元和SAP的梁单元建立模型,首先用有限元法分析了其空间自振特性,并对结构各主要参数对桥梁自振特性的影响作了介绍。
短句来源
  相似匹配句对
     SPACE
     空间
短句来源
     Free Space Optics Communications
     自由空间光通信
短句来源
     Optical Free Space Communication
     自由空间光通信技术
短句来源
     ON D - SPACE
     关于D-空间
短句来源
     SPACE FREE VIBRATION ANALYSES OF TRACK STRUCTURE
     轨道结构空间自由振动分析
短句来源
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This paper analyses the space free vibration of curved railway track by finite element method.A thirty four freedomed curve track element model is presented.

本文采用有限单元法分析铁路曲线轨道空间动力特性,为此作者建立了具有34个自由度的曲线轨道空间振动分析有限单元模型.数例计算表明效果良好.

In this paper,the space free vibration analysis model for track structure is established. By means of the finite element theory, the inherent frequencies and vibration characteristics for existing rail line under different supporting conditions are analyzed. Combining the discussion of stability of vehicle snake movement, the effects on transverse stability of inc reasing speed rail line are studied and the enhanced measurements are presented.

本文建立了轨道结构空间自由振动模型。运用有限元理论,分析了既有线路在不同支承条件下的固有频率和固有振动特性。结合车辆蛇行运动稳定性的讨论,探讨了影响提速线路横向稳定性的因素,提出了加强措施。

The effect of viscous damper on the stay cable is studied in the paper.The differential equation for space free vibration is derived .It is taken into consideration such as the bending stiffness,cable sag,and cable inclination.The complex eigenvalue cequations are solved by the state space method.Both the maximum modal damping ratio and the optimal damper size are obtained.Some stay cables are investigated for both the in-plane and out-plane modes with different parameters.The results show that the...

The effect of viscous damper on the stay cable is studied in the paper.The differential equation for space free vibration is derived .It is taken into consideration such as the bending stiffness,cable sag,and cable inclination.The complex eigenvalue cequations are solved by the state space method.Both the maximum modal damping ratio and the optimal damper size are obtained.Some stay cables are investigated for both the in-plane and out-plane modes with different parameters.The results show that the damping ratio of first in-plane mode is significantly affected by the cable sag.At sametime,some valuable suggestions are proposed in the paper.

考虑索的抗弯刚度及垂度的影响 ,推导了索的空间自由振动微分方程 ,结合分离变量及中心差分法将偏微分方程在空间内离散 ,用状态空间法求解复模态特征方程 ,从而求出系统的最大模态阻尼比 ,并求出最优阻尼器系数。对不同索参数及不同阻尼器参数的典型斜拉索 ,计算了索的面内外模态阻尼特性。研究结果表明 :索的垂度对面内一阶模态阻尼比有较大的影响 ,对其它模态阻尼比则影响很小 ,也不影响最优阻尼器系数的大小 ;而抗弯刚度则对模态最大阻尼比及最优阻尼器系数均有影响。为斜拉桥拉索的阻尼器设计 ,提供了重要参考依据

 
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