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equivalent linear method     
相关语句
  等效线性化方法
     An equivalent linear method considering frequency-dependent soil properties for seismic response analysis
     水平土层地震反应分析考虑频率相关性的等效线性化方法
短句来源
     Based on the equivalent linear method,the analytical solution of the joint probability density funvtion of steady_state responses of friction pendulum system to Gaussian white noises is derived.
     基于等效线性化方法推得了摩擦摆系统对高斯白噪声激励稳态响应的联合概率密度函数解析解。
短句来源
     The Study of Equivalent Linear Method of Seismic Reduction Energy Consumption System
     减震耗能系统等效线性化方法研究
短句来源
     The nonlinear differential equation of X type nonlinear suspension system has been solved in this paper through the equivalent linear method, and the equivalent linear system was obtained. Then the characteristics of vibration isolation were analyzed by comparing with passive system while the corresponding regulating relationship between mass M and initial angle θ_0 was obtained when the natural frequency of the system was constant.
     本文采用等效线性化方法,求解X型非线性悬架系统的微分方程,给出线性化等价系统,然后,把此系统和一般弹簧、阻尼器构成的线性系统进行性能比较,分析此系统的隔振效果,同时求出当系统固有频率一定时,质量M和初始角θ_0的调节对应关系。
短句来源
     According to the data of dynamic property of the site soil,the design ground motion parameters of the different level are calculated by the equivalent linear method.
     采用一维等效线性化方法,根据场地土动力性能试验资料,确定不同抗震标准下的设计地震动参数。
短句来源
更多       
  等效线性法
     The article studies simplified computing method of composite shock-insulation structure's earthquake-resistant behavior,adopts equivalent linear method to transform hysteretic F—D curve into α—D curve,in order to get coefficient α of shock-insulation layer's sub-base shear and displacement D of shock-insulation layer,and validates whether the structural displacement D satisfies the displacement [D] requested by standard structure.
     研究了复合隔震结构隔震性能的简化计算方法,采用等效线性法将复合隔震等效线性化滞回曲线F—D曲线转化为α—D曲线,可得到隔震层基底剪力系数α和隔震层位移D,从而确定结构基底剪力Fek,并验证结构位移D是否满足规范结构要求位移[D]。
短句来源
  等效线性化
     An equivalent linear method considering frequency-dependent soil properties for seismic response analysis
     水平土层地震反应分析考虑频率相关性的等效线性化方法
短句来源
     The article studies simplified computing method of composite shock-insulation structure's earthquake-resistant behavior,adopts equivalent linear method to transform hysteretic F—D curve into α—D curve,in order to get coefficient α of shock-insulation layer's sub-base shear and displacement D of shock-insulation layer,and validates whether the structural displacement D satisfies the displacement [D] requested by standard structure.
     研究了复合隔震结构隔震性能的简化计算方法,采用等效线性法将复合隔震等效线性化滞回曲线F—D曲线转化为α—D曲线,可得到隔震层基底剪力系数α和隔震层位移D,从而确定结构基底剪力Fek,并验证结构位移D是否满足规范结构要求位移[D]。
短句来源
     Based on the equivalent linear method,the analytical solution of the joint probability density funvtion of steady_state responses of friction pendulum system to Gaussian white noises is derived.
     基于等效线性化方法推得了摩擦摆系统对高斯白噪声激励稳态响应的联合概率密度函数解析解。
短句来源
     The Study of Equivalent Linear Method of Seismic Reduction Energy Consumption System
     减震耗能系统等效线性化方法研究
短句来源
     The nonlinear differential equation of X type nonlinear suspension system has been solved in this paper through the equivalent linear method, and the equivalent linear system was obtained. Then the characteristics of vibration isolation were analyzed by comparing with passive system while the corresponding regulating relationship between mass M and initial angle θ_0 was obtained when the natural frequency of the system was constant.
     本文采用等效线性化方法,求解X型非线性悬架系统的微分方程,给出线性化等价系统,然后,把此系统和一般弹簧、阻尼器构成的线性系统进行性能比较,分析此系统的隔振效果,同时求出当系统固有频率一定时,质量M和初始角θ_0的调节对应关系。
短句来源
更多       
  等效线性
     The article studies simplified computing method of composite shock-insulation structure's earthquake-resistant behavior,adopts equivalent linear method to transform hysteretic F—D curve into α—D curve,in order to get coefficient α of shock-insulation layer's sub-base shear and displacement D of shock-insulation layer,and validates whether the structural displacement D satisfies the displacement [D] requested by standard structure.
     研究了复合隔震结构隔震性能的简化计算方法,采用等效线性法将复合隔震等效线性化滞回曲线F—D曲线转化为α—D曲线,可得到隔震层基底剪力系数α和隔震层位移D,从而确定结构基底剪力Fek,并验证结构位移D是否满足规范结构要求位移[D]。
短句来源

 

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      equivalent linear method
    A 1-D equivalent linear method has been used to compute complete transfer functions and other spectral responses, such as PSA and PSV for various damping values, with the purpose of classifying zones with similar behaviour.
          
    However, the amplification levels of nonlinear analysis were less than the equivalent linear method especially in long periods.
          
    In order to compare the effect of 2D irregular topography, the seismic response analysis of 1D model is carried out by using the equivalent linear method.
          
    The surface ground motion was calculated under incidence of the spatially correlative seismic motion by 2D finite element method (FEM) model considering nonlinear properties of the soil by means of the equivalent linear method.
          


    In this paper, the currently used equivalent linear methods for calculating seismic responses of nonlinear soil structures are briefly summarized and some improvements are made. A new approach, the probabilstic average approach, is proposed. A numerical example is presented in detail by using all kinds of equivalent linear methods, including the proposed onet Monte-Carlo simulation method is appeied to examine the results. It is found that the concept of proposed method is more clear...

    In this paper, the currently used equivalent linear methods for calculating seismic responses of nonlinear soil structures are briefly summarized and some improvements are made. A new approach, the probabilstic average approach, is proposed. A numerical example is presented in detail by using all kinds of equivalent linear methods, including the proposed onet Monte-Carlo simulation method is appeied to examine the results. It is found that the concept of proposed method is more clear and the precision is higher than other approaches.

    本文在总结现有计算土层平稳随机地震反应等价线性化法的基础之上,提出了新的概率平均等价线性化法,以单层土、单自由度水平剪切振动系统为例,用Monte-Carlo数值模拟法对本文方法及其它方法进行了统计检验。结果表明,概率平均法概念明确,精度较其它方法更高,计算也不复杂,是一种较好的方法。

    The nonlinear differential equation of X type nonlinear suspension system has been solved in this paper through the equivalent linear method, and the equivalent linear system was obtained. Then the characteristics of vibration isolation were analyzed by comparing with passive system while the corresponding regulating relationship between mass M and initial angle θ_0 was obtained when the natural frequency of the system was constant.

    本文采用等效线性化方法,求解X型非线性悬架系统的微分方程,给出线性化等价系统,然后,把此系统和一般弹簧、阻尼器构成的线性系统进行性能比较,分析此系统的隔振效果,同时求出当系统固有频率一定时,质量M和初始角θ_0的调节对应关系。

    In this paper,a new analysis method for calculating nonstationary stochasticseismic response to horizontal layered foundation soil is established by combiningthe time domain model analysis technique for linear system and the probabili-stic average equivalent linear method for nonlinear soil structure. A case studyof three different conditions is carried out to examine the nonstationary effectsand relevant conclusions are given.

    本文将线性系统随机地震反应的时域模态分析技术与非线性土结构概率平均等价线性化法相结合,构造了一种计算水平成层地基土层非平稳随机地震反应的近似算法。对同一计算实例,同时进行了平稳输入平稳输出、平稳输入非平稳输出、非平稳输入非平稳输出三种不同的计算,检验了输入输出非平稳效应的影响,给出了有关的结论。

     
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