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free vibration properties
相关语句
  自振特性
     Free Vibration Properties Analysis of Fluid-Tank Coupling in Storage Tank
     储液罐固液耦合下的自振特性分析
短句来源
     The 3D free vibration properties of the cable stayed bridge on Wuhu Yangtze River bridge, which is of 180 m+312 m+180 m span, are analyzed by space bar FEM model and also by space bar slab solid hybrid FEM model.
     针对芜湖长江大桥主桥 180 m +312 m +180 m的斜拉桥 ,分别采用空间杆系有限元模型与空间杆系 -板-实体混合单元有限元模型分析了桥梁的空间自振特性 ,两种模型的计算结果取得了较好的一致。
短句来源
     Research on Free Vibration Properties of Membrane Structure
     张拉膜结构自振特性研究
短句来源
     In this paper,firstly free vibration properties are studied,including distribution of frequency and traits of modes.
     在本文中研究首先开始于结构的自振特性,分析了单层球面网图书馆壳结构的频率分布及振型特征。
短句来源
     The modal properties of two practical cable-net structures, as examples, were analyzed with the sub-space iteration method to investigate the characteristic of frequency distribution of general cable-net structures and the effects of structural parameters, such as steel cable stiffness, structure mass and rise to span ratio, on their free vibration properties.
     采用子空间迭代法,结合2个工程实例,对索网结构的自振特性进行了计算分析,研究了一般索网结构的频率分布特性以及钢索应力刚度、结构质量和矢跨比等结构参数对自振特性的影响.
短句来源
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  “free vibration properties”译为未确定词的双语例句
     Polynomial Solution of Free Vibration Properties of Conical Shell Structures
     圆锥壳结构自振特性的多项式解
短句来源
     In this paper, the pile wharf is simplified as a rigid body supported by elastic piles. The free vibration properties of pile wharf are evaluated by means of this simplified model. Then, by using the response spectrum method, the analytical solution is obtained for the calculation of inertia torques and earthquake inertia forces in horizontal direction.
     本文采用弹性柱(桩)支承空间刚体(码头上部结构分段)的力学模型,分析高桩码头的自由振动特性,并按反应谱方法给出计算水平地震惯性力和惯性扭矩的解析表达式。
短句来源
     The 3D free vibration properties of the cable-stayed bridge with three towers of the schemed Beijing-Shanghai high-speed railway NanjingYangtze-River bridge are analyzed by space bar FEM model.
     以京沪高速铁路南京长江大桥3塔斜拉桥方案为例,分析了大跨度斜拉桥在ICE高速列车作用下的车桥动力响应特点;
短句来源
     By taking two typical tensile membrane structures as examples, the free vibration properties of membrane structures were investigated using the Block Lanczos method, and the effects of stiffness of strengthened cables, prestress on membrane, ratio of rise to span and mass of membrane were discussed.
     通过2个典型张拉膜结构工程实例,采用兰索斯法研究了加强索刚度、膜面初张力、膜面矢高和膜材质量对自振特性的影响.
短句来源
     The research results show that the vibration modes of a cable-net structure are close each other, the initial tensile force and the structure mass are two important factors influencing the free vibration properties of a cable-net structure.
     研究结果表明,索网结构振型密集,影响其自振特性的主要结构参数是索网的初始张力和索网屋面的分布质量.
短句来源
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  相似匹配句对
     SYMMETRICAL FREE VIBRATION OF BELLOWS
     单层波纹管的轴对称振动
短句来源
     Free-vibration of waist structures
     带腰架结构的自由振动研究
短句来源
     Research on Free Vibration Properties of Membrane Structure
     张拉膜结构自振特性研究
短句来源
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  free vibration properties
In this paper, free vibration properties and dynamic response to horizontal and vertical seismic waves of single-layer latticed cylindrical shells are analyzed by the finite element method using ANSYS software.
      


In this paper, the pile wharf is simplified as a rigid body supported by elastic piles.The free vibration properties of pile wharf are evaluated by means of this simplified model. Then, by using the response spectrum method, the analytical solution is obtained for the calculation of inertia torques and earthquake inertia forces in horizontal direction.Some examples are given and the results are compared with taht by normal method. It is found that the influence of the inertia torques on the stability of...

In this paper, the pile wharf is simplified as a rigid body supported by elastic piles.The free vibration properties of pile wharf are evaluated by means of this simplified model. Then, by using the response spectrum method, the analytical solution is obtained for the calculation of inertia torques and earthquake inertia forces in horizontal direction.Some examples are given and the results are compared with taht by normal method. It is found that the influence of the inertia torques on the stability of wharf can not be neglected.

本文采用弹性柱(桩)支承空间刚体(码头上部结构分段)的力学模型,分析高桩码头的自由振动特性,并按反应谱方法给出计算水平地震惯性力和惯性扭矩的解析表达式。最后结合例题指出惯性扭矩的作用不容忽视。

The 3D free vibration properties of the cable stayed bridge on Wuhu Yangtze River bridge, which is of 180 m+312 m+180 m span, are analyzed by space bar FEM model and also by space bar slab solid hybrid FEM model. Their results agree well to each other, The coupling vibration responses of vehicle bridge system under a running train are calculated. Results show that, though the ratio of deflection to span for bridge under design load is up to 1/587,the train can pass it safely and comfortably,...

The 3D free vibration properties of the cable stayed bridge on Wuhu Yangtze River bridge, which is of 180 m+312 m+180 m span, are analyzed by space bar FEM model and also by space bar slab solid hybrid FEM model. Their results agree well to each other, The coupling vibration responses of vehicle bridge system under a running train are calculated. Results show that, though the ratio of deflection to span for bridge under design load is up to 1/587,the train can pass it safely and comfortably, and the bridge is of enough vertical and transverse stiffness.

针对芜湖长江大桥主桥 180 m +312 m +180 m的斜拉桥 ,分别采用空间杆系有限元模型与空间杆系 -板-实体混合单元有限元模型分析了桥梁的空间自振特性 ,两种模型的计算结果取得了较好的一致。并采用空间杆系有限元模型 ,对该斜拉桥在列车活载和公路活载下实际运营中的车桥动力响应进行了分析 ,计算结果表明 ,尽管该斜拉桥在设计荷载 (中—活载 )下的挠跨比达 1/ 5 87,列车通过桥梁时的舒适性与安全性仍能满足要求 ,桥梁具有足够的竖向与横向刚度。

The 3D free vibration properties of the cable stayed bridge on Wuhu Yangtze river bridge, which is of 180+312+180m span,are analyzed by space bar FEM model. The coupling vibration responses of vehicle bridge system under moving trains are calculated. Based on the reasonable assessment index,the train running safety and comfort of the bridge are analyzed in detail.Results show that,though the ratio of deflection to span for bridge under design load is 1/587 , the train can pass it safely and...

The 3D free vibration properties of the cable stayed bridge on Wuhu Yangtze river bridge, which is of 180+312+180m span,are analyzed by space bar FEM model. The coupling vibration responses of vehicle bridge system under moving trains are calculated. Based on the reasonable assessment index,the train running safety and comfort of the bridge are analyzed in detail.Results show that,though the ratio of deflection to span for bridge under design load is 1/587 , the train can pass it safely and comfortably.12 tabs,4 figs, 8 refs.

基于合理的列车走行安全性和舒适性评价指标 ,针对芜湖长江大桥主跨 1 80 +3 1 2 +1 80 m斜拉桥 ,采用空间杆系单元建立了桥梁的有限元模型 ,分析了桥梁的空间自振特性 ,运用文献 [1 ]提出的车桥耦合动力分析理论与方法 ,计算了桥梁在实际运营列车荷载作用下的车桥动力响应 ,对列车通过桥梁时的走行安全性与舒适性进行了详细分析。研究结果表明 ,尽管该斜拉桥在设计荷载下(中—活载 )的挠跨比达 1 /5 87,列车通过桥梁时的舒适性与安全性仍能满足要求。

 
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