放射音測定とFEM解析を用いた衝撃位置，衝撃力，被衝撃体の縦弾性係数，衝撃半径の同定

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概要

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• The radiated sound from the impacted body must have the information with respect to the impact force and the other properties. We have proposed the method in order to identify the impact force and many properties by analyzing the radiated sound from the impacted body. In the present method, the relationship between the impact force and the radiated sound pressure is calculated by using FEM analysis. And, the time dependence of the impact force, the impact placement, the Youngs modulus of the impacted body and the radius of the impact bar are identified by using least square method and the measured sound pressure of the many microphones. By the actual experiments, the efficiency of the proposed method is confirmed.

著者

• 辻 知章

  中央大学 理工学部

• 伊藤 康司

  中央大学 理工学部

• 嶋田 英昭

  中央大学 理工学部

• 富永 裕也

  中央大学 理工学部

関連論文

• 放射音測定とFEM解析を用いた衝撃位置，衝撃力，被衝撃体の縦弾性係数，衝撃半径の同定

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