考慮彈簧慣性效應之避振器最佳化參數研究

吳佳璋 ； 黃俊銘

《中華民國振動與噪音工程學會論文集》 2005 (2005/06) Pp. 194-201

https://doi.org/10.30028/CSSVANNUAL.200506.0194

摘要

本文的目的在於研究用來抑制－承受動態負荷之樑的避振器最佳化參數。在現有文獻中，研究學者通常用彈簧－阻尼－質量系統來取代避振器，並且將避振器的彈簧慣性效應加以忽略不計，本文則將上述慣性效應加以考慮。由本文所提出的數值分析結果，吾人發現，避振器的彈簧慣性效應對避振器的減振效率有某一程度的影響。實際上，避振器的彈簧具有質量。因此，本文所提出的避振器最佳化參數應比傳統的避振器最佳化參數更合理。

關鍵字

樑 ； 避振器 ； 減振 ； 彈簧慣性效應

並列摘要

The object of this paper is to investigate the optimum absorber parameters for vibration reduction of a beam subjected to dynamic loads. Unlike the existing literature that the absorber was considered as a spring-damper-mass system and the inertia effect of the spring was neglected, the last effect was taken into consideration in this paper. From the numerical analysis results of this paper, one finds that the inertia effect of the spring do affect the vibration reduction effectiveness of the absorber to some degree. In fact, the spring of the absorber is not massless. Therefore, the presented optimum absorber parameters should be more reasonable than the classical ones.