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首页> 外文期刊>Engineering analysis with boundary elements >Application of BEM with extended Kalman filter to parameter identification of an elastic plate under dynamic loading
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Application of BEM with extended Kalman filter to parameter identification of an elastic plate under dynamic loading

机译：扩展卡尔曼滤波的边界元法在动载荷作用下弹性板参数识别中的应用

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摘要

There are many investigations in which computational software for direct analysis is successfully applied to the solution of inverse problems. In this study, a boundary element method (BEM) for analyzing the direct problems of elastic plate subjected to dynamic loadings is applied to the corresponding inverse problems of parameters identification under dynamic loadings. It is assumed that the lateral displacement of the plate is measured at several points in the plate domain. Using such measured data of deformation, inverse analysis is carried out to identify a series of unknown parameters for dynamic bending of plate. The extended Kalman filter is employed for iterative computation to modify the parameter values. A few examples are investigated by the proposed method of inverse analysis and the results obtained are discussed, whereby the potential usefulness of the proposed method is demonstrated.
机译：在许多研究中，用于直接分析的计算软件已成功应用于反问题的求解。在这项研究中，将边界元方法（BEM）用于分析弹性板在动载荷下的直接问题，并将其应用于动载荷下相应的参数识别反问题。假设在板域中的几个点处测量了板的横向位移。使用这种变形的测量数据，进行反分析以识别一系列未知参数，以进行板的动态弯曲。扩展卡尔曼滤波器用于迭代计算，以修改参数值。通过提出的反分析方法研究了一些例子，并对获得的结果进行了讨论，从而证明了该方法的潜在实用性。

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