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首页> 外文期刊>Journal of Sound and Vibration >Design of a dynamic vibration absorber for vibration isolation of beams under point or distributed loading
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Design of a dynamic vibration absorber for vibration isolation of beams under point or distributed loading

机译：一种动态吸振器的设计，用于在点载荷或分布载荷下对梁进行隔振

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摘要

A new dynamic vibration absorber combining a translational-type absorber and a rotational-type absorber is proposed for isolation of beam vibration under point or distributed harmonic excitation. Finite element analysis and Euler-Bernouli beam theory are used for evaluation of the performance of vibration isolation of the proposed absorber mounted on a beam. It is proved theoretically that the absorber can isolate the vibration in one part of a beam when it is subjected to a point or distributed harmonic excitation. A prototype of the combined translational and rotational dynamic absorber had been designed and made for evaluation. Both numerical and experimental tests have been done for verification of the theoretical prediction of vibration isolation in beam vibration. The proposed absorber is also suitable for vibration isolation of beam with nonuniform cross-section. (c) 2006 Elsevier Ltd. All rights reserved.
机译：提出了一种结合平移型吸收器和旋转型吸收器的新型动态减振器，用于隔离点或分布式谐波激励下的梁振动。有限元分析和Euler-Bernouli梁理论用于评估安装在梁上的拟议吸收器的隔振性能。从理论上证明，当吸收器受到点或分布式谐波激励时，它可以将其一部分中的振动隔离。已设计并制造了组合式平移和旋转动态吸收器的原型进行评估。为了验证梁振动中隔振的理论预测，已经进行了数值和实验测试。所提出的吸收器也适合于具有不均匀横截面的梁的振动隔离。 （c）2006 Elsevier Ltd.保留所有权利。

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