2-24 振動計測システムの開発 : 回転成分の抽出とアニメーションによる振動の可視化

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We can not watch the structural vibration by the naked eye, because the order of vibrational amplitude is much smaller than the structural dimensions and the vibrational velocity is very fast.Then it is necessary to develop the software with which we can watch the structural vibration mode.In addition, if it is possible to watch the mode by using unmeasured points, such software becomes very convenient tool for us.Autltors developed such software which is including a new function for the animation of vibration mode. This function is that, the frequency response of unmeasured points are calculated with the rotation vector of a measured point. The rotation vector is estimated by using some experimental data of measured points. In this paper, the validity of this method is verified by the application examples of a beam, a plate and a model ship.
1997-11-14

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