An inverse vibration analysis of a tower subjected to wind drags ona shakign ground

C.C. Kang; C.Y. Lo

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An inverse vibration analysis of a tower subjected to wind drags ona shakign ground

机译：塔在振动地面上受到风阻的反振动分析

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A method is presented to estimate the strength wind drags on an elevated tower and the magnitude of the vibration of the ground on which the tower stands. The governing equations for the motions of the tower are discretized using the finite-difference method. Based on these discretized governing equations, a linear inverse model is constructed to identify the external wind drags and the ground vibration. The optimized solution of the model is determined by the linear least-square error method, which requires no numerical iteration. The uniqueness of the solution can be identified by linear algebra theory.

机译：提出了一种方法来估计高架塔架上的风阻力以及塔架所站立的地面的振动幅度。塔的运动的控制方程使用有限差分法离散化。基于这些离散的控制方程，构建了线性逆模型来识别外部风阻和地面振动。通过线性最小二乘误差法确定模型的优化解，该方法不需要数值迭代。解决方案的唯一性可以通过线性代数理论来确定。

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《Applied Mathematical Modelling》 |2002年第4期|p.517-528|共12页
作者
C.C. Kang; C.Y. Lo;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类应用数学;
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An inverse vibration analysis of a tower subjected to wind drags ona shakign ground

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