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dynamic analysis models
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  动力分析模型
     In the past,because of the limit of computer capacity,simple dynamic analysis models are usually used to calculate aqueduct's seismic response.
     过去由于计算机容量的限制,常采用简化的动力分析模型计算渡槽结构地震反应,例如,把渡槽槽身抽象为集中质量,从而只研究渡槽支架的动力反应;
短句来源
     The classification,the dynamic analysis models,the dynamic properties and the aseismic design methods of this structure system are summarized. The mechanism concept of the participating coefficient of vibration mode for this structure is further analyzed and the suitability of the common structural analysis softwares for it is discussed. Finally,the subjects for further study are pointed out.
     综述了大底盘多塔楼结构的分类、动力分析模型、动力特性以及抗震设计方法 ,进一步分析了多塔结构振型参与系数的物理力学概念 ,探讨了常用结构分析软件对其的适用性 ,指出了有待进一步研究的课题。
短句来源
     With a beam type of aqueduct engineering with the flexible piers as the background, the dynamic analysis models for the primary and secondary systems of water aqueduct system are established in this paper. The time history analysis method and the response spectrum method are used to analyse the seismic response of the system excited by the horizontal transverse direction earthquake.
     以某梁式柔性墩渡槽工程为背景,建立了水体-渡槽的主、次系统动力分析模型,分别采用时程分析法和振型分解反应谱法,对横向地震激励下该系统的地震反应进行了分析。
短句来源
     Related to the steel braced frame structures in highrise buildings, the dynamic analysis models of the frame element and the brace element are set up considering material nonlinerity and geometry nonlinerity.
     针对常用的高层钢框架 -支撑结构 ,考虑材料非线性和几何非线性 ,建立了框架部分、支撑部分的二阶动力分析模型
短句来源
     In order to study the elasto-plastic seismic response of highrise building structure with transfer storey,based on shaking table test and theoretical analysis of highrise building structure with elastic transfer storey,the dynamic analysis models of highrise building structure with elastic transfer storey is established as a multi-degree of freedom structure system with local flexure shear,that is,transfer storey and its lower storey has flexure shear deformation between storeys,the rest storeys have shear deformation between storeys.
     在带转换层高层建筑结构的振动台试验结果和理论分析的基础上,提出了带弹性转换层高层建筑结构的动力分析模型———局部层间弯剪型串联多自由度体系模型,即转换层及其下部结构各层视为层间弯剪型,转换层上部结构各层视为层间剪切模型。
短句来源
更多       
  动力计算模型
     STTRUCTURAL DYNAMIC ANALYSIS MODELS OF SUPER-LONG-SPAN SUSPENSION BRIDGES
     超大跨度悬索桥的结构动力计算模型
     Four different structural dynamic analysis models, single girder model, double geometrical centers model, twin shear centers model and four-girder model, have been compared for calculation of dynamic characteristics of super-long-span suspension bridges with slotted box girders. The modified twin-girder model has been presented for dynamic analysis of suspension bridges with high precision in vertical bending, lateral bending and torsional vibration, in particular applicable for engineering.
     针对超大跨度悬索桥所采用的分体式加劲梁,比较了四种不同形式的结构动力计算模型——单主梁、双形心、双扭心和四主梁,提出了竖弯振动、侧弯振动和扭转振动分析中都具有很高精度的适合于工程应用的修正双主梁模型。
  “dynamic analysis models”译为未确定词的双语例句
     A review of inelastic dynamic analysis models of reinforced concrete frames under earthquake ground motions
     钢筋混凝土框架非弹性地震反应分析模型研究进展
短句来源
     Dynamic Analysis Models of Tower Cranes
     塔式起重机动态分析的计算模型
短句来源
     Based on a brief introduction of the pantograph and catenary structures at high speed railway in France, Germany and Japan, three typical kinds of dynamic analysis models of the pantograph catenary system are established and the numerical simulation software is developed.
     在简要介绍法国、德国及日本高速铁路受电弓和接触网结构的基础上,建立了各类接触网和受电弓系统的动力学分析模型,开发了其数值模拟软件,并应用此软件分析了简单链形悬挂、弹性链形悬挂以及双链形悬挂的振动特性。
短句来源
     With the help of parametrization model, the dynamic properties of the grinder part were calculated and the train sample of the BP neural network was obtained quickly. The dynamic analysis models based on the neural network are built up. The relationship between dimensions and dynamic properties of the grinder's part is defined as the mathematic relationship between inputs and outputs of the BP neural network.
     利用ANSYS的APDL语言建立磨床部件的参数化模型 ,计算出磨床部件的动态特性 ,快速采样得到BP神经网络模型的学习样本 ,建立基于BP神经网络的动态分析模型 ,将磨床部件结构参数与其动态特性之间的关系反映为神经网络模型的网络输入与网络输出之间的数学关系 ,从而方便地、快速地对磨床部件进行了动态灵敏度分析 .
短句来源
     A series of recent studies of inelastic dynamic analysis models (IDAM) of reinforced concrete frames under earthquake ground motions is condensed, the developing tendency of the IDAM and key points to push its research forward are discussed in this paper.
     本文对国内外钢筋混凝土框架非弹性地震反应分析模型的研究进展进行了介绍和评述,指出了这一研究领域中存在的主要问题和值得进一步研究的课题方向。
短句来源
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  dynamic analysis models
3D dynamic analysis models of 1000 m deep-ocean mining pipeline, including steel lift pipe, pump, buffer and flexible hose, were established by finite element method (FEM).
      
It also reduces the computational and storage overhead of solving large dynamic analysis models.
      


For the overhed valve gear of diesel engine,a dynamic analysis model

本文针对柴油机中常用的推杆——顶置气门配气机构,建立了相应的有限元动力分析模型。利用第二类拉格朗日方程,导出了配气机构有限元分析方程,并根据配气机构特点,对此动力分析方程作了简化处理。采用Houbolt 逐步积分法求解该简化动力分析方程,编制了相应的动力分析程序。利用此程序,计算了6100B_3Q 柴油机气门加速度运动规律,并在该柴油机试验台架上实测了气门加速度,所得计算结果与实测结果基本一致。文中还分析了三种转速下6100B_3Q 柴油机配气机构运行情况,动力分析结果与实际运行情况相符。

To treat the mold oscillation mechanism of the caster, numeral calculation on system mode parameters- all orders of frequency and main mode shapes are proceed with QR method basing on the dynamic analysis model of concentrated parameters multiple system; as well as the system oscillation response is studied using systematic simulation program. In order to assure the accuracy of analytical results the calculation on the system mode parameters are completed by means of finite elements structure analytic...

To treat the mold oscillation mechanism of the caster, numeral calculation on system mode parameters- all orders of frequency and main mode shapes are proceed with QR method basing on the dynamic analysis model of concentrated parameters multiple system; as well as the system oscillation response is studied using systematic simulation program. In order to assure the accuracy of analytical results the calculation on the system mode parameters are completed by means of finite elements structure analytic program SAP6.

本文以某钢厂连铸机结晶器振动机构为研究对象,通过建立集中参数混合系统动力学分析模型,采用QR方法对系统模态参数—固有频率及振型作了数值求解计算,并采用系统仿真方法计算了机构的振动响应。为确保分析结果的准确性,利用有限元结构分析程序SAP6,通过建立机构动力有限元模型,对系统的模态参数作了进一步的分析计算。本文分析计算结果将为某钢厂现有连铸机结晶器振动频率的提高及设计新的高频振动机构提供重要依据。

Dynamic analysis model of the nuclear fuel element and the tube of heat exchangers in nuclear power installation is treated as a multi-spanned continu-ous beam.In this paper,the direct boundary element method(BEM)is used for analyzing the eigenvalue problems of the multi-spanned beams.The solu-tions of equations of multi-spanned beam with various kinds of support and with a constant axial force have been obtained.And the method was applied to the numerical calculation of natural frequencies and mode shape...

Dynamic analysis model of the nuclear fuel element and the tube of heat exchangers in nuclear power installation is treated as a multi-spanned continu-ous beam.In this paper,the direct boundary element method(BEM)is used for analyzing the eigenvalue problems of the multi-spanned beams.The solu-tions of equations of multi-spanned beam with various kinds of support and with a constant axial force have been obtained.And the method was applied to the numerical calculation of natural frequencies and mode shape of a nuclear fuel element in PWR.The results are satisfactory.It is shown that BEM is easy to treat the dynamic analysis problems of a beam system,and it is more ac-curate and easier than finite element method(FEM).

核动力装置中的燃料元件棒和换热器传热管,常按多跨连续梁模型进行动力分析。本文用直接边界元法来分析这类多跨连续梁的特征值问题,推导出有轴向力作用和弹性支承条件的求解公式,并对压水堆燃料元件棒的固有频率和振型作了计算,得到较为满意的结果,可以看出,边界元法便于处理杆系结构问题,即使杆系的复杂度增加,而解题基本方法的复杂度并不增加。

 
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