減衰が不均一に分布する機械の振動挙動を表す高精度モデルの構築

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タイトル別名
  • Development of Accurate Vibration Model for Mechanical Structures with Un-uniformly Distributed Damping.
  • ゲンスイ カ フキンイツ ニ ブンプ スル キカイ ノ シンドウ キョドウ オ アラワス コウセイド モデル ノ コウチク

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抄録

In case of uniformly distributed damping, the system can be expressed as real mode shapes and therefore the prediction of structural modification can be achieved with high accuracy. However in case of un-uniformly distributed damping, such as automobile suspension consisted of link, bush, the system should be expressed as complex mode shape, resulting less accurate prediction. In this paper, a numerical model is used to reveal the cause of such inaccuracy and then new algorithms are proposed to improve such inaccuracy. Finally by using proposed algorithm, an accurate vibration model of actual automobile suspension is obtained to be able to predict the change of vibration after structural modification.

収録刊行物

  • 精密工学会誌

    精密工学会誌 66 (5), 801-805, 2000

    公益社団法人 精密工学会

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