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Development and validation of a new experimental method to identify damping matrices of a dynamic system

机译:一种新实验方法识别动态系统阻尼矩阵的新实验方法的开发与验证

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A new procedure is developed to identify damping in a dynamic system as damping matrices in the equation of motion from the dynamic stiffness matrix, which is obtained by inverting the measured frequency response function matrix. It is shown that the method provides the most direct and shortest path to finding damping matrices. The procedure is applied to a theoretical example and two real structures for its validation, which also reveals unique measurement and signal processing issues related to the technique. Potential applications and possible improvement of the identification method are discussed.
机译:开发了一种新的过程,以识别动态系统中的阻尼,作为来自动态刚度矩阵的运动方程中的阻尼矩阵,这是通过反转测量的频率响应函数矩阵而获得的。结果表明,该方法提供了找到阻尼矩阵的最直接和最短的路径。该过程应用于理论示例和两个实际结构,用于其验证,这也揭示了与技术相关的独特测量和信号处理问题。讨论了潜在的应用和识别方法的可能改进。

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