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 equal damping ratio 等阻尼比线(2)等阻尼比(2)
 等阻尼比线
 The Equal Damping Ratio and Its Application in Discrete System 离散系统的等阻尼比线及其应用 短句来源 Facing to the equal damping ratio problem involved in the analysis and design of the discrete system,this paper discusses the equal damping ratio curve in Z plane and gives Matlab simulation figures. The application of equal damping ratio curve is introduced in the analysis and design of the discrete system. 针对离散系统的分析和设计中所涉及到的等阻尼比问题 ,本文探讨了 Z平面上的等阻尼比线 ,给出了 Matlab仿真图形 ,介绍了等阻尼比线在离散系统的分析和设计中的应用。 短句来源
 等阻尼比
 The Equal Damping Ratio and Its Application in Discrete System 离散系统的等阻尼比线及其应用 短句来源 Facing to the equal damping ratio problem involved in the analysis and design of the discrete system,this paper discusses the equal damping ratio curve in Z plane and gives Matlab simulation figures. The application of equal damping ratio curve is introduced in the analysis and design of the discrete system. 针对离散系统的分析和设计中所涉及到的等阻尼比问题 ,本文探讨了 Z平面上的等阻尼比线 ,给出了 Matlab仿真图形 ,介绍了等阻尼比线在离散系统的分析和设计中的应用。 短句来源

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 In this paper,a complete Lanczos Vector Superposition method (the LVS method) is presented.Its algorithm,the expression of the Rayleigh damping matrix in the Lanczos subspace and the way to determine its elements are given.It could be used not only for one direction of dynamic loading but also for dynamic loadings with two or three components.It is suitable to both systems,with equal damping ratios and with Rayleigh damping; and reliable no matter the problem solved is with or without multiple... In this paper,a complete Lanczos Vector Superposition method (the LVS method) is presented.Its algorithm,the expression of the Rayleigh damping matrix in the Lanczos subspace and the way to determine its elements are given.It could be used not only for one direction of dynamic loading but also for dynamic loadings with two or three components.It is suitable to both systems,with equal damping ratios and with Rayleigh damping; and reliable no matter the problem solved is with or without multiple eigenvalues.In addition,An error estimation formula presented by Pierre Leger et al.is adopted and described,so that it is possible to control the generation process of the Lanczos vectors according to specified accuracy demand.Finally,its advantages over the MS method and the MWYD method are summarized, 本文在将修正的Ritz向量直接叠加法(MWYD法,原称MRVDS法)的思想与Lanczos坐标法结合的基础上,提出了完整的Lanczos向量叠加法和Ritz向量叠加法,并用统一的理论框架,比较系统地阐明了Lanczos向量叠加法,Ritz向量叠加法和振型叠加法的基本原理、主要步骤和各自的特点。文中提出了结构的成比例阻尼矩阵及其特殊形式—Rayleigh阻尼矩阵在Ritz子空间和Lanczos子空间的具体表达式以及无耦合单自由度运动方程的具体形式,结合进MWYD算法的优点和近来发展的误差估计方面的研究成果,提出了经过改进完善的Lanczos向量叠加算法。该法不仅可用于单向动力荷载,也可用于双向三向动力荷载;不仅适用于具有相同振型阻尼比的系统,也适用于具有Rayleigh阻尼的系统;它还可以利用误差估计式根据给定的精度要求及时控制产生初始Lanczos向量的数日。最后,文中简要地总结了Lanczos向量叠加法对于振型叠加法和Ritz向量叠加法的优越性。 Facing to the equal damping ratio problem involved in the analysis and design of the discrete system,this paper discusses the equal damping ratio curve in Z plane and gives Matlab simulation figures. The application of equal damping ratio curve is introduced in the analysis and design of the discrete system. 针对离散系统的分析和设计中所涉及到的等阻尼比问题 ,本文探讨了 Z平面上的等阻尼比线 ,给出了 Matlab仿真图形 ,介绍了等阻尼比线在离散系统的分析和设计中的应用。
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