The Lateral Vibration of a Leaf Spring with an Added Mass and an Added Moment of Inertia

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  • 付加質量と付加慣性モーメントを伴う板ばねの横振動
  • フカ シツリョウ ト フカ カンセイ モーメント オ トモナウ イタバネ ノ ヨコ シンドウ

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Abstract

This paper deals with the natural frequencies and modes of a simple supported beam which is equivalent to a leaf spring with an added mass and an added moment of inertia. The results may be summarized as follows : (l) If the added mass is at the center of a uniform beam, there is no coupling between. the vertical and rotary vibrations of the mass. (2) Neglecting the width of the added mass, the higher the vibration order is, the more the natural frequency deviates from the accurate value. (3) According to the calculated example in this paper, the natural modes have a little difference between a uniform beam and three laminated beams, the natural frequencies have, however, little between them.

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