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空间杆系     
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  space bar
     Development of System of Stability Analysis of Space Bar Structures
     空间杆系结构稳定性分析系统开发
短句来源
     2. Development of system of the large deformation stability analysis of space bar structuresFirstly, development platform GiD7.2 and calculation analysis program FEAP are introduced.
     2.空间杆系结构大变形稳定性分析系统的开发 首先对开发平台GiD7.2和计算分析程序FEAP进行介绍;
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
     The 3D free vibration properties of Yuxi River continuous steel truss bridge on Wuhu Yangtze River bridge, which is of 2×80 m span, are analyzed by space bar FEM model.
     采用空间杆系有限元方法,建立芜湖长江大桥裕溪河2×80 m连续钢桁梁桥的动力分析模型。
短句来源
     In order to test the reliability of the FEM of beam elements, the results obtained by this kind of FEM are compared with those by the FEM of space bar system and those from a model test.
     为了验证梁单元有限元法的可靠性,本文除介绍了一个模型试验的结果之外,还与空间杆系有限元法的计算结果进行比较。
短句来源
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  space member system
     Some Calculative Problems of Dome Structure of Space Member System
     空间杆系穹顶结构的几个计算问题
短句来源
     The paper introduces the characteristics of the second storey rigid bridge of Quzhuang Interchange in Guangzhou City and establishes space member system element finite model for making the static and dynamic analysis to provide the theory basis for design.
     简单介绍了广州市区庄立交第二层刚架桥的特点,并建立了空间杆系有限元模型,对其静力、动力进行详细分析,为设计提供理论依据。
短句来源
     In this paper the static stable and dynamic computation for dome structure of space member system were investigated. A set of united calculative formulae,which were solved by the matrix method,were proposed.
     本文对空间杆系穹顶结构的静力、稳定和动力计算进行了研究,并提出了一套统一的计算公式和用矩阵方法进行求解。
短句来源
     A new simplified computational model for dynamical analysis of extra tall building structure space mega frame is established. The computational model is space member system storey model,the space mega frame is composed of huge columns and huge beams on elastic foundation,the columns of the second frame,considering its axial deformations,are seen as the elastic foundation of the huge beams,the masses are lumped on the huge beams storeys.
     对超高层建筑空间巨型框架的振动计算提出一个新的简化计算模型 ,将空间巨型框架简化为巨型柱和弹性地基上的巨型梁的组合 (二级框架柱考虑其轴向变形作为巨型梁的弹性地基 ) ,按空间刚架进行刚度分析 ; 建筑物的质量集中于巨型梁的楼层 ,是一种新的简化的空间杆系 层模型。
短句来源
  spatial member
     Based on the story model of spatial member, the supplemental damping matrix, dynamic balance equation and relative energy balance equation of structures with viscous dampers are derived.
     基于结构空间杆系-层模型,推导了粘滞阻尼器减震结构的附加阻尼矩阵、动力平衡方程和相对能量方程。
短句来源
     In order to roundly analysize the mechanical behavior of the bridge,spatial member and shell finite element model were established,further deformation and strain values of governable section under several main loading cases were listed;
     为全面分析其力学行为,建立了空间杆系和板壳有限元分析模型,给出了该桥控制截面在几个主要荷载工况下的变形和应变值;
短句来源
  “空间杆系”译为未确定词的双语例句
     MODIFIED GOLDFARB METHOD OF OPTIMIZATION FOR SPACE TRUSSES
     空间杆系结构优化设计的修正Goldfarb法
短句来源
     Study on Special Space Truss Steel Structure under Complex Supporting Condition
     复杂支承条件下特种空间杆系钢结构研究
短句来源
     Geometrically Nonlinear Practical Analysis of Spatial Frames
     空间杆系结构实用几何非线性分析
短句来源
     Finite Element Vibration Model of Barrel Mast and Singularity Elimination Method of the Space Truss and Frame Structure
     筒形桅杆有限元振动计算模型的研究及空间杆系结构奇点的消除方法
短句来源
     The Damage Identification of Space Member Structure Based on Wavelet Packet Analysis
     基于小波包分析的空间杆系结构损伤诊断
短句来源
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  space bar
By pressing the space bar of a computer keyboard, observers could add 1% of the total contour of each picture until it was recognized.
      
You may stop a long sort by pressing the SPACE bar.
      
You go from one page to the next by pressing the space bar.
      
After the sixth test item, the instruction to press the space bar to begin the next trial was displayed.
      
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In this paper a space analysis method for built-up system of arch trussed beam has been proposed. The physical model of continuum body is adopted. The structure is resolved into several compound elements and every compound element consist of three parts: arch, trussed beam and lateral brace. In the paper authors'll derive element stiffness matrix, mass matrix and formulas for computation of inner forces. Finally we'll compare the results of computation with that of experimentation and with the precise from calculation...

In this paper a space analysis method for built-up system of arch trussed beam has been proposed. The physical model of continuum body is adopted. The structure is resolved into several compound elements and every compound element consist of three parts: arch, trussed beam and lateral brace. In the paper authors'll derive element stiffness matrix, mass matrix and formulas for computation of inner forces. Finally we'll compare the results of computation with that of experimentation and with the precise from calculation by customary finite element method in the elementary theory of space member structures.

针对拱桁梁组合体系桥梁,本文提出一种空间计算方法。方法的物理模型采用连续体,并用有限元求解。整个结构划分为若干组合单元,每个组合单元包括拱、桁梁及竖杆横撑架三部分。本文将演引组合单元刚度矩阵、质量矩阵及内力计算公式。最后与试验结果作了比较,并用精确的空间杆系有限元计算作了验证。

Three methods of theoretical dynamic analysis for a steel tower are conducted.(1) Space-truss-multimass dynamic system calculated with the method of mode analysis; (2) Space truss dynamic system calculated with the same method; (3) Space-truss-multimass dynamic system, the response of which is calculated with inputting the earthquake record.For verifying the results of the analysis, two other methods of dynamic test on the prototype structure are also made. (1) forced vibration carried out by vibrators; (2)...

Three methods of theoretical dynamic analysis for a steel tower are conducted.(1) Space-truss-multimass dynamic system calculated with the method of mode analysis; (2) Space truss dynamic system calculated with the same method; (3) Space-truss-multimass dynamic system, the response of which is calculated with inputting the earthquake record.For verifying the results of the analysis, two other methods of dynamic test on the prototype structure are also made. (1) forced vibration carried out by vibrators; (2) microseismic measurement recorded by graph and by magnetic tape and analysed by signal-processor. The results of different methods of analysis and tests are compared in the paper.

本文采用了不同的力学模型及计算方法对四边形钢塔结构的动力特性进行了分析:(1)杆系-层间模型,振型分解法计算;(2)空间杆系模型,振型分解法计算;(3)杆系-层间模型,直接动力法计算。为了验证计算结果的可靠性,又用两种方法进行了检验;(1)激振法,(2)脉动法,其中又分为光线记录,人工分析数据和磁带记录,数据处理机分析数据。文中并对三种计算方法和二种试验方法进行了比较,供对类似结构进行计算或试验时参考。

In this paper, a brief explanation of application of the principle of energy for stability analysis of space frameworks is offered. Some foreign data expressions concerned are simplified and to them additions have been made to meet needs of water conservation measure in agriculture. Thus, a better calculating accuracy has been obtained. The computer program compiled based on the predescribed formulation has been proved to accord with results of classical solutions and model tests. It would be a means to space...

In this paper, a brief explanation of application of the principle of energy for stability analysis of space frameworks is offered. Some foreign data expressions concerned are simplified and to them additions have been made to meet needs of water conservation measure in agriculture. Thus, a better calculating accuracy has been obtained. The computer program compiled based on the predescribed formulation has been proved to accord with results of classical solutions and model tests. It would be a means to space stability analysis of long span arched structures.

本文对能量原理在刚结点空间杆系结构的稳定分析中的应用作了简要的归纳.结合农田水利工程的需要,对国外文献中的有关公式作了简化和必要的补充,提高了精度.据此编成的电算源程序所作的若干算例,经与解析法的解答及模型试验成果相对照,基本吻合.从而为大跨度拱式结构的稳定分析提供了一种手段.

 
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