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Vibration control of curved panel using smart damping

机译：使用智能阻尼控制弧形面板的振动

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Damping designs with active piezoelectric materials and passive viscoelastic materials combine the advantages of both active and passive constrained layer damping (ACLD/ PCLD) treatments. Present study is aimed to examine through experiments, vibration control of curved panel treated with optimally placed active or passive constrained layer damping patches. Placement strategies of constrained layer patches are devised using the modal strain energy method. The optimum location for the application of ACLD/PCLD patches are found for specific modes and the information for different modes is then collated to get the best locations for control of multiple modes. The treatments are then applied to the elements target specific modes of vibrations as well as for control of multiple modes. Extensive experiments are conducted by using number of samples of ACLD and PCLD patches for each configuration to control different modes simultaneously or independently. The results demonstrate the utility of the technique for selecting the locations of the ACLD treatments to achieve desired damping characteristics over a broad frequency range. Experiment results well corroborates with theoretical predictions.
机译：有源压电材料和无源粘弹性材料的阻尼设计结合了有源和无源约束层阻尼（ACLD / PCLD）处理的优点。当前的研究旨在通过实验来检查用最优放置的主动或被动约束层阻尼贴片处理的弯曲面板的振动控制。使用模态应变能方法设计了约束层贴片的放置策略。找到针对特定模式的ACLD / PCLD补丁应用的最佳位置，然后整理不同模式的信息，以获得控制多个模式的最佳位置。然后将处理应用于目标特定振动模式的元素，以及用于多种模式的控制。通过使用每种配置的ACLD和PCLD补丁样本数量来进行同时或独立控制不同模式的广泛实验。结果表明，该技术可用于选择ACLD处理的位置，以在较宽的频率范围内实现所需的阻尼特性。实验结果很好地证实了理论预测。

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