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coupling vibration analysis
相关语句
  耦合振动分析
     Application of ANSYS to Fluid-Solid Coupling Vibration Analysis for Component of Hydraulic Turbines
     ANSYS在水轮机部件流固耦合振动分析中的应用
短句来源
     Coupling vibration analysis of main span on Wuhu Yangtze-River Bridge
     芜湖长江大桥斜拉桥的车桥耦合振动分析
短句来源
     COUPLING VIBRATION ANALYSIS OF VEHICLE-BRIDGE SYSTEM BY ITERATIVE SOLUTION METHOD
     车桥系统耦合振动分析的数值解法
短句来源
     The Solid-liquid Coupling Vibration Analysis of the Pipe for Fluid Trasportation
     输送流体管道的固液耦合振动分析
短句来源
     TUBING STRING SOLID LIQUID COUPLING VIBRATION ANALYSIS
     油管柱固液耦合振动分析
短句来源
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  “coupling vibration analysis”译为未确定词的双语例句
     Coupling Vibration Analysis of a Particular Turbine Rotor
     特型涡轮转子耦合系统振动特性分析
短句来源
     In this paper, Based on the theory of vehicle-track coupling dynamics, a software for vehicle-track coupling vibration analysis, in which the rail is assumed to be a Timoshenko beam resting on the discrete sleepers, is successfully compiled. The vibration characteristics of vehicle and track caused by welded rail joint irregularity are investigated.
     本文运用车辆-轨道耦合动力学理论,编制了基于Timoshenko梁钢轨模型的车辆-轨道耦合振动仿真分析软件,分析了车辆-轨道系统的垂向振动特性,并与基于Euler梁模型的VICT软件的仿真结果进行了比较分析。
短句来源
  相似匹配句对
     THE COUPLING VIBRATION ANALYSIS OF AREAL BLADED DISK
     真实叶片盘耦合振动分析
短句来源
     Nonlinear Analysis on Solid and Fluid Coupling Vibration
     固液耦联振动的非线性分析
短句来源
     Analysis of Fluid-Solid Coupling Vibration in Pipelines
     管道系统流固耦合振动分析
短句来源
     Analysis of Vibration of Motorcycle
     摩托车整车振动分析
短句来源
     Vibration Analysis of Pendulum
     摆的振动分析
短句来源
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  coupling vibration analysis
Spatially coupling vibration analysis model of traintrack time-variant system is put forward.
      


This paper extends the idea of the Double Compatible Free Interface Dynamic Substructure Technique for "pure" structure dynamic analysis, i.e. simultaneous satisfaction of substructure interface displacement compatibility and reaction force compatibility for the elemination of all the joint generalized coordinates, to fluid-structure coupling vibration analysis. With the satisfaction of the two accurate compatibility conditions found by the authors, all the fluid-structure interface joint generalized coordinates...

This paper extends the idea of the Double Compatible Free Interface Dynamic Substructure Technique for "pure" structure dynamic analysis, i.e. simultaneous satisfaction of substructure interface displacement compatibility and reaction force compatibility for the elemination of all the joint generalized coordinates, to fluid-structure coupling vibration analysis. With the satisfaction of the two accurate compatibility conditions found by the authors, all the fluid-structure interface joint generalized coordinates are eliminated and hence the accurate dynamic reduction and symmetrization of the equations of motion as well as the final synthesis scale minimization leading to small size linear algebraic eigenvalue problems. Thus, an efficient method suitable for medium size or small computers is provided for therapid extraction of fluid-structure coupling natural vibration modes --the key ofaircraft structural borne interior noise analysis involving a large number of degrees of freedom on the acoustic cavity-elastic airframe structure interface. Numerical results show excellent agreement with experimental ones and great reduction in computa tional offorts.

本文将双协调动态子结构法推广到流固耦合的振动分析,通过寻求并满足在自由振动条件下成立的两个界面协调关系,消去全体流-固界面上的连接广义坐标,从而实现了方程的缩聚,这为弹性机舱内的噪声分析提供了一种行之有效的方法,算例表明,不仅计算量大为减少,而且具有优良的综合精度。

A new finite element method for the coupling vibration analysis of generalized symmetric off shore structure and its axisymmetric foundation is presented. The method combines the use of Fourier Series expansion technique and the group theoretic method, and combines the use of axisymmetric and common finite elements. The effectiveness of the proposed method is demonstrated by means of some numerical examples.

对广义对称性海洋平台结构与分层轴对称基础所构成的体系,提出了一种新的进行三维耦合振动分析的有限元方法。该方法将普通有限元与轴对称单元联合起来使用,充分利用了结构、基础及其耦合体系的对称性;它将在该类结构体系耦合分析的计算速度、精度等方面获得很大效益。

The mechanical analysis of operating the high temperature high pressure deep well testing pipe string is one of the key techniques in testing engineering design.Because various operating modes must be always undergone for determining the structure of the testing pipe string,the key,of how to control the operational parameters of the testing pipe string,the properties of the fluids inside and outside the string,undercuting depth,tubing pressure and casing pressure so as to ensure the strength of the string...

The mechanical analysis of operating the high temperature high pressure deep well testing pipe string is one of the key techniques in testing engineering design.Because various operating modes must be always undergone for determining the structure of the testing pipe string,the key,of how to control the operational parameters of the testing pipe string,the properties of the fluids inside and outside the string,undercuting depth,tubing pressure and casing pressure so as to ensure the strength of the string and the safety of downhole packer under various operating modes,is to analyze in detail the forcing,deformation and strength under high temperature,high pressure and high flow velocity in design stage,thus finding out the limiting operation parameters under various operating modes.On the basis of briefly stating the testing pipe string formation and its operating sequence,the change rule of the string loads under various operating modes is analyzed in detail and some approximation formulas of calculating the deformation and strength of the string are given out,according to which the limiting operation parameters of the string are found out and the problems and methods remaining to be deep researched in the mechanical analysis of high temperature high pressure deep well testing pipe string are pointed out.The authors especially point out the effect of the friction and impact forces caused by high speed gas flow against the string under the operating mode of flowing testing on the deformation and strength of the testing string,and that the dynamic coupling vibration analysis of the high speed gas flow against the testing string is a special problem in the mechanical analysis of high temperature high pressure deep well testing pipe string,to which we should attach great importance so as to ensure the safety and reliability of the string and to make a success of the testing.

高温高压深井测试管柱的工作力学分析是测试工程设计的关键技术之一。确定测试管柱结构往往要经过多种作业工况。如何控制测试管柱的施工作业参数及其测试管柱内外流体性质、掏空深度以及井口油压、套压等,确保各工况下测试管柱的强度及井下封隔器安全,其关键是在设计阶段详细分析高温、高压及高流速下测试管柱的受力、变形及强度,从而确定出各工况下的极限操作参数。文中在简述测试管柱构成及其施工工序的基础上,详细分析了各工况下测试管柱载荷变化规律,给出了管柱变形及强度计算的近似公式,以此确定出测试管柱的极限工作参数,进而指出了高温、高压深井测试管柱力学分析中尚待深入研究的问题和方法。特别指出在流动测试工况下高速气流对管柱的摩擦力、冲击力等对测试管柱变形及强度的影响,以及高速气流与测试管柱的动态耦联振动分析是高温高压深井测试管柱分析的特殊问题,应予以高度重视,以确保测试管柱的安全可靠及测试的成功。

 
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