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多质点
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  multi-particle
     Study on Dynamic Response to Blasting Earthquake of the Multi-particle System Architectural Structure
     多质点弹性体系建筑结构的爆破地震动力响应分析探讨
短句来源
     In order to research simulation of train operation and movement process, and optimization on train control scheme, based on works relative, the paper builds a multi-objective train operation and movement simulation model and algorithm by build multi-particle train model, design railway partition model and algorithm, make and optimize train movement process model etc. Ground on the simulation model, train operation simulation system is built up.
     为了研究列车运行过程仿真和优化控制方案,论文在借鉴前人研究成果的基础上,首先以最快速度运行策略构造了单质点列车运行仿真模型,在这一模型基础上,通过构造多质点列车模型,设计线路分段模型与算法,设计并优化列车运行过程算法等,构造了多质点列车运行仿真模型,据此设计并实现了城市轨道交通列车运行仿真系统。
短句来源
     The conventional model which has been generally used for seismic response analysis is equivalent multi-particle shear vibration system,but this system can not take into account the strength and the stiffness beam-to-column ratio,the deformation of joint region,additional axial force and plastic hinge of the beam influence on seismic response.
     多质点系剪切模型在多层平面框架的抗震分析中已得到了广泛的应用 ,但这种模型不能考虑梁柱的强度比和刚度比、节点域变形、附加轴力和梁塑性铰对地震响应的影响。
短句来源
     In order to optimize the single-particle model of urban mass transit traction calculation system and make traction calculation result more accurate, the optimized multi-particle simulation model was built up.
     为了优化城市列车牵引计算与运行模拟系统的单质点简化模型,提高计算准确性,在快速牵引策略模型的基础上,构造了城市轨道交通列车牵引计算与仿真的多质点优化模型。
短句来源
  multi-mass
     Seismic response analyses of multi-mass elastic system
     多质点弹性体系的地震反应分析
短句来源
     With the analysis of the influent factors of the parameter, useful conclusions was given, which can help to understand the seismic response of multi-mass elastic system.
     通过对两特性参数的影响因素质量和刚度的分析 ,得出了一些有益的结论 ,对深入理解多质点弹性体系的地震反应有很大帮助
短句来源
     By use of the program, the characteristic parameter of the multi-mass elastic system of the example was calculated.
     在此基础上 ,结合具体实例对多质点弹性体系的特性参数周期和振型进行了计算。
短句来源
     The conventional model which has been generally used for seismic response analysis is equivalent multi-mass shear vibration system, but this model can not consider that the strength and the stiffness ratio of the beam-to-column, the deformation of joint panel, additional axial force and plastic hinge in the middle of the beam influence on seismic response.
     多质点系剪切模型在多层平面框架的抗震分析中已得到了广泛的应用,但这种模型不能考虑钢框架结构梁柱的强度比和刚度比、节点域变形、柱附加轴力引起的弯曲变形和梁间塑性铰对地震响应的影响。
短句来源
     , has been obtained in the test. (2) Equivalent rigidity theory is put forward for calculating simply dynamic characteristic of tube structures, in which the structure is simplified as a multi-mass system with flexural and shear deformation to calculate the equivalent flexural and shear rigidity.
     (2)提出了计算筒体结构动力特性的等效刚度理论,将结构简化为考虑弯剪变形的多质点体系,简化计算等效弯曲刚度和等效剪切刚度。
短句来源
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  “多质点”译为未确定词的双语例句
     The Wavelet Transform for the System of Multiple Elastic Particles
     多质点弹性体系的小波变换
短句来源
     Therefore, according to the most quickly train running strategy, the single-particle train operation simulation model is built up.
     5.在单质点模型和多质点模型基础上,设计并实现了城市轨道交通列车运行仿真系统,并通过实例测试了单质点模型和多质点模型。
短句来源
     This article calculated the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action.
     计算了平面串并联多质点系结构在竖向地震作用下的竖向刚度矩阵。
短句来源
     The computation results of the optimized traction calculation model and single-particle model show that the average velocity is raised by(5%~)20%,the start velocity is decreased by 5%~25% in pulling into station process,the energy consumption is decreased by 5%~20%,the model is feasible. 6 tabs,8 figs,11 refs.
     多质点模型与单质点模型的计算结果对比表明,技术速度提高了5%~20%,总能耗降低了5%~20%,进站制动初速度降低了5%~25%,该模型可行。
短句来源
     Includes: theory results comparison between seismic isolation and no seismic isolation of sigle and multiple mass point.
     包括单质点隔震与不隔震得了理论结果对比分析,多质点系隔震与不隔震的理论结果的对比。
短句来源
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  multi-particle
The ionization and drift characteristics of electrons in argon are simulated by the method of multi-particle dynamics.
      
Furthermore, both schemes achieve full efficiency and there is no need to utilize multi-particle entanglement, which is relatively more difficult to generate.
      
Segregation of particles during the filling of a vessel was investigated for mixtures of multi-particle sizes.
      
In this study, we consider a multi-link system as a multi-particle movement system and each of the particles are connected by a kind of spring damper model as an imitation of a link.
      
I generalize the construction to arbitrary dynamical multi-particle correlation functions.
      
更多          
  multi-mass
This is applied in a study of positive-energy multi-mass fields.
      
It is found that in general the multi-mass formalism confers no improved convergence; although convergent theories can be constructed in principle, it is not possible to do so in practice.
      
In the paper the continuous model of a multi-mass drive system is considered.
      
Dynamic analysis of a multi-mass discrete-continuous layered system
      
In the paper a one-dimensional discrete-continuous multi-mass layered system subject to an axial indirect kinematic excitation using the wave method is considered.
      
更多          


This paper presents a new type of shear model applicable for nonlinear seismic response analysis of multi-storied structure with its story members having different restoring force characteristic relationships. Three sorts of such curves are adopted to establish a calculation approach and a relevant computer program has been developed.Two numerical examples are given in the paper.

本文提供一种新的剪切模型,适用于分析每层具有刚度不同和恢复力特性曲线不同的构件的多层结构的弹塑性地震反应。本法选用了三种不同恢复力模型,导出了有关的公式,提供了计算程序。当同一楼层各构件的恢复力特性曲线及参数相同时,本文提供的模型可简化为通常的多质点剪切模型。 文中附有两个8层建筑的算例。

According to the data of the ambient measurements, the deformation curves of buildings under horizontal loads and the rule of earthquake damage, it can been shown that the floor slab possess only limited rigidity in horizontal direction. The degree and the location of structural damages are closely related to the higher vibration modes and the limited rigidity cf the floor slab of the building. It means that the mathematical model of the multi-degree system with single vertical member is not good for seismic...

According to the data of the ambient measurements, the deformation curves of buildings under horizontal loads and the rule of earthquake damage, it can been shown that the floor slab possess only limited rigidity in horizontal direction. The degree and the location of structural damages are closely related to the higher vibration modes and the limited rigidity cf the floor slab of the building. It means that the mathematical model of the multi-degree system with single vertical member is not good for seismic analysis.In this paper, the mathematical model of spatial structure taking account of slab deformation is considered. By means of solving the natural vibration equation and the theory of the response spectrum, the combined stresses of members due to the earthquake responses of several higher modes are obtained. It shows that the results thus obtained agree better with the general phenomena of earthquake damage

内框架房屋的脉动振型、强拉变形曲线以及震害规律,进一步证实楼盖的有限刚度和高阶空间振型对震害程度和破坏部位的显著影响。以往采用的“单竖杆多质点系”计算简图未能反映这些特点。 本文提出考虑楼盖水平变形的空间结构模型,建立“多竖杆多质点系”的自振方程,应用反应谱理论求解多阶空间振型的地震反应,给出考虑楼盖空间作用及砖墙弹性和非弹性变形阶段的构件地震内力。通过实例分析说明,计算结果与实测自振特性和震害规律都有着较好的一致性。

It has been verified by the ambient vibration modes, the measurements of the horizontal deflection of the floor slabs and the earthquake damages of the multistory building, that the horizontal rigidity of floor slab is not unlimited. In this paper, a spatial structural mechanic model in consideration of the horizontal deformation of floor slabs is established and a grid multiple mass system is used in calculation. Through the seismic analysis of 160 highrise buildings according to the computing sketch metioned,...

It has been verified by the ambient vibration modes, the measurements of the horizontal deflection of the floor slabs and the earthquake damages of the multistory building, that the horizontal rigidity of floor slab is not unlimited. In this paper, a spatial structural mechanic model in consideration of the horizontal deformation of floor slabs is established and a grid multiple mass system is used in calculation. Through the seismic analysis of 160 highrise buildings according to the computing sketch metioned, the difference between the results of elastic floor slab and rigid floor slab are obtained, the modifying coefficients are then listed in the table. Thus the computation of buildings with elastic floor slabs is made simplified just by using a slight modification of the results obtained from buildings with rigid floor slab assumption.

装配式楼盖的水平刚度是有限的,这已为房屋的脉动振型,楼盖实测变形以及房屋的震害现象所证实。本文提出考虑楼盖变形的空间结构力学模型,采取“栅格多质点系”计算简图,对160例8~30层高层建筑进行了地震反应分析,并以刚性楼盖假定的框架地震内力为基数,给出弹性楼盖框-剪结构各种情况下的中央框架地震内力修正系数。从而使目前通用的较简单的适用于框架-剪力墙并联体的“单竖杆多质点系”抗震分析方法,作一简单修正后,即能反映楼盖变形对框架地震内力的影响。

 
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