反应谱
- 网络response spectrum;response spectra;RRS
![反应谱](../cache/1348602.jpg)
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Ansys在混凝土重力坝振型分解反应谱分析中的应用
Application of Ansys to Analysis of Vibration Type Decomposition Response Spectrum of a Concrete Gravity Dam
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SantaCruz波的反应谱及阻尼影响分析
Response Spectrum Analysis of Santa Cruz Wave with Damping Effect
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此外,还提出了考虑地基弹性变形后用抗震设计反应谱进行计算的墩底剪力系q0和弯矩系数m0的公式。
Formulas for shear coefficient q. and moment coefficient m. are also given by using seismic design response spectra in the calculation .
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利用ANSYS有限元分析软件,用反应谱法分析了丰镇火力发电厂采用煤斗悬吊结构与传统的煤斗支承结构在地震作用下的结构反应特点。
The seismic properties of the structure with suspending coal hoppers and the structure with supporting coal hoppers are analysed by the method of response spectrum method with ANSYS .
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然后,本文采用组合有限元法,利用有限元分析软件ANSYS对实例结构进行了整体动力分析,包括结构模态分析、振型分解反应谱分析和弹性时程分析。
Then adopting integrated finite element method and using ANSYS , a finite-element analysis program , dynamical analysis is conducted , including modal analysis , response spectrum analysis and time history analysis .
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本文第三部分介绍了抗震分析方法,然后利用有限元程序Midascivil建立了马新大桥主桥的动力计算模型,采用反应谱法对其进行地震反应分析。
Then , the dynamic model for one practical bridge is utilized through finite element general program MIDAS CIVIL . And response spectrum method is used in the calculation of the seismic response of Maxin bridge .
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首先利用ANSYS程序建立了永安桥的动力计算模型,通过模态分析得到该桥的动力特性。采用标准反应谱作为输入的谱曲线,分别考虑了纵向、横向、竖向输入下该桥的地震响应。
Firstly , the dynamic calculation model of the Yong-an Bridge is developed with ANSYS and the dynamic properties are obtained through modal analysis during which the standard seismic response spectrum is inputted from longitudinal , transverse and vertical direction respectively .
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利用类似工程爆破建立的爆破地震速度反应谱,采用ANSYS通用程序对三峡工程三期碾压混凝土围堰拆除爆破地震作用厂房坝段动力响应进行了计算。
This paper using the blasting vibrant velocity response spectrum of the similar blasting project and the ANSYS program carried through the dynamical response calculation of power houses dam under the vibration by blasting demolishing the third period RCC cofferdam of Three Gorges Project .
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土壤-结构动力相互作用(SSI)分析及楼层反应谱(FRS)计算是中国先进研究堆(CARR)工程抗震设计的重要环节。
Analysis of Soil-Structure Interaction ( SSI ) and calculation of Floor Response Spectrum ( FRS ) is substantial for anti-seismic design for China Advanced Research Reactor ( CARR ) project .
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另外结合钢屋架结构试验,运用大型有限元软件ANSYS对银川河东机场航站楼进行了整体的静力分析、几何非线性分析,模态分析以及地震反应谱分析。
The experimental analysis is comprehensively evaluated . Furthermore , a series advanced numerical analysis are performed using ANSYS for the whole steel roof , including the complex model static analysis , geometric nonlinear analysis , modal analysis , seismic spectrum response analysis , et al .
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运用NDFEPS-2D计算了若干场地模型的地面加速度反应谱、速度反应谱、位移反应谱。
The ground surface response spectrum of acceleration , velocity and displacement were calculated using NDFEPS-2D .
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为此,运用地震反应谱理论及有限元计算分析软件,进行了SRC梁式转换层的设置位置对高层结构地震响应的影响分析,得出了一些结论。
For this reason , Utilizing the seismic response spectrum and the finite element analysis software , this paper analysed the of influence of SRC transfer beams at different positions on high-rise structural earthquake responses and proposed some conclusions .
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本文回顾了结构抗震设计理论的发展过程,介绍了抗震发展的各个阶段:静力理论阶段、反应谱理论阶段、动力理论阶段以及现在广受关注的基于性能的理论阶段(PBSD);
This paper recalled the development process of structure seismic design theory , introduced the concept and design steps of displacement-based seismic design at first .
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本文对锦州93P人工岛场地设计地震反应谱进行了预测,主要研究工作由四个环节组成:(1)锦州93P场地的基岩地震动危险性分析;
A seismic spectrum forecast of JZ 9-3 P Artificial Island is conducted . The main research work consists of 4 parts : 1 . danger analysis of the seismic oscillation to the field bedrock ;
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运用复模态方法,以我国现行设计反应谱为基础,对单自由度TMD和加层减震结构地震响应及地震作用取值问题进行了系统研究。
Earthquake response and earthquake action of single degree of freedom structure with TMD and the add-layer is discussed systematically on the basis of actual design response spectrum . Complex model method is used to disconnect the equations with nonclassical damping and non-symmetrical structural features .
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本文第三章采用pushover方法分析了节点域剪切变形及结构二阶效应对钢框架受力变形性能的影响,将pushover方法与反应谱结合后分析其对于钢框架抗震设计的影响。
In chapter three , shear deformation of joint and second order effect which affect mechanical performance of structure by pushover method are investigated , pushover method is also combined with response spectra to study the influence on seismic resistance design in this chapter .
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与经典的多点激励反应谱方法(MSRS法)比较,本文方法具有其无法比拟的计算效率。
And compared to the MSRS method , a well - ( developed ) multi-support response spectrum method , the proposed method has incomparable computational efficiency .
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最后,讨论了长细比取值较大的高柔桥墩和不等高MDOF全桥结构的多阶模态效应,引入多自由度振型分解反应谱理论提出了全桥结构基于性能的简化设计方法。
Finally , multi-phase modes effect of flexible bridge pier with high slenderness and MDOF full-bridge structure was discussed , and decomposition theory of multi-degree of freedom response spectrum was introduced to develop a performance-based seismic design method for full-bridge structure .
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地表水平加速度反应谱中,液化使特征周期至少延长0.1s以上,平均延长0.3s;
Also , the liquefaction makes the characteristic period of the response spectra of the surface horizontal accelerations prolonged by more than 0.1 s at least and 0.3 s on average .
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采用振型分解反应谱法,分析了小高层建筑屋顶花园作为TMD的减震原理和该TMD与主体结构频率比和质量比的变化规律,并阐述了对TMD的最优参数设计;
This paper , by taking roof garden as TMD in mid-rise building , discusses the shock reduction principle and the change rule of frequency ratio and mass ratio between TMD and structure , based on the modal analysis response spectrum . The TMD 's optimal parameters design is explained .
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本文对确定反应谱CQC法的合理组合振型数的方法进行了研究,应用反应谱CQC法的算例分析表明,质量参与系数法和振型位移控制法存在不足。
This paper attempts to study the methods on determination of reasonable number of combined modes for response spectrum CQC method . Example results with response spectrum CQC method show that there are deficiencies in the participation mass ratio method and the mode displacement control method .
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地震加速度反应谱形状的模糊综合评判
Fuzzy synthetic evaluation on the shapes of seismic acceleration response spectra
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最后给出了四类场地的平均反应谱。
Finally a set of site dependent average spectra are presented .
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阻尼对加速度反应谱影响的进一步研究
A Further Study of the Influence of Damping on Response Spectrum
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水下岩塞爆破地震反应谱分析
Analysis of Earthquake Response Spectrum of Underwater Rock Blast in g
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小波分析在路面反应谱中信号降噪的应用
The application of wavelet analysis in road response spectrum for de-noising
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爆炸参量对爆破地震反应谱的影响
Influence of explosion parameters on response spectrum for blast ground vibration
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双向地震动作用弹塑性反应谱研究
Research on inelastic response spectra for bi - directional ground motions
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用反应谱法求解地震反应。
The seismic response is solved by the response spectra method .
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阻尼减震结构反应谱法计算若干问题
Some Issues on Response Spectra Method in Analyzing Damper-Adde d Structures