• The results here are consistent with those given by the complex modal analysis method when it is applicable.

    在较特殊的条件下,模态分析法结果一致

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  • By comparing the results with those obtained by the complex modal analysis, it is shown that the present method is efficient.

    通过计算实例,并模态分析方法比较说明了方法的有效性。

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  • Complex modal analysis is then performed to calculate the eigenvalues and eigenvectors, and then modal parameters are obtained.

    采用分析求取特征值特征向量进而得到系统的模态参数

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  • Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.

    利用时域最小二乘法和圆法对实验数据进行了三维参数分析

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  • By comparing the obtained results with the results of complex modal analysis, it is shown that the present method is accurate enough and efficient.

    通过计算实例,并模态分析方法比较说明了方法有效性精确性

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  • The real modal analysis and complex modal analysis are respectively applied to the multi-degree-of -freedom system according to the different damp.

    粘性比例阻尼一般粘性阻尼两情况分别进行了多自由度系统模态分析

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  • The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix, damping matrix and stiffness may be nonsymmetric.

    模态分析法推广刚度矩阵可以导且质量矩阵、阻尼矩阵刚度矩阵均不必对称情形。

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  • A complete set of calculating methods for complex modal analysis of nonlinear random response of structures with multi-degrees of freedom and base isolation are proposed.

    从而建立了多自由度结构非线性随机响应模态分析的一整套计算方法

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  • In this paper, complex modal analysis for dam-foundation interaction problem in time domain is presented, and effects of dam-foundation interaction on modal characteristics of the dam are discussed.

    本文提出时域分析水坝与地基动力相互作用问题分析方法,讨论了水坝与地基动力相互作用水坝模态特性影响

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  • This paper analyzes the dynamic characteristic of complex plywood by the theory modal analysis technology.

    悬臂复合研究对象,利用理论分析技术研究了复合层板的动态特性

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  • The comparison indicates that the appropriate results can be obtained only when with fine enough meshing in Finite Element modal analysis, as the cylinder block is a complex and thin cast parts.

    研究表明,对于柴油机气类薄壁铸造的复杂构件,进行有限元模态分析,需要采用很细的网格划分,才能保证较精确结果

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  • Based on the complex modal theory, some problems arising in machine tool modal analysis by impulse excitation are examined.

    本文理论出发,探讨了机床模态分析中,应用脉冲激振法激励机床时的一些问题

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  • The dynamic processing method using high modal is given in the complex-modal synthesis technology using free boundary for structure dynamic analysis with the hysteresis damping.

    自由界面综合法具有迟滞阻尼结构进行动力分析

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  • The dynamic processing method using high modal is given in the complex-modal synthesis technology using free boundary for structure dynamic analysis with the hysteresis damping.

    自由界面综合法具有迟滞阻尼结构进行动力分析

    youdao

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