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衝撃荷重を受ける段付片持ばりの動的応答の実験的研究
- フォーマット:
- 論文
- 責任表示:
- 神宮, 利夫 ; 根津, 紀久雄 ; 坂本, 賢治
- 言語:
- 日本語
- 出版情報:
- 日本機械学会, 1988-03-25
- 著者名:
- 掲載情報:
- 日本機械学會論文集. A編
- ISSN:
- 0387-5008
- 巻:
- 54
- 通号:
- 499
- 開始ページ:
- 539
- 終了ページ:
- 544
- バージョン:
- VoR
- 概要:
- application/pdf<br />Journal Article<br />When a stepped beam is impacted, time histories of bending strain are measured by strain gauges which are cemented at the fixed end and the corner of discontinuity in the beam. Although the variations of bending strain calculated by the finite element method based on Bernoulli-Euler beam theory also involve the high frequency modes, those by experiment consist of the basic frequency mode and a few low … frequency modes. Since the fixed end of a canti-lever beam in an experiment is not perfectly rigid, the periodicity of vibration is affected by it. The time histories of bending strain on the shelf of discontinuity differ from the flexural motion by the simpler Bernoulli-Euler theory. However, observing the variations of bending strain at the other location, except for the high frequency modes, the vibration of both is in fair agreement. 続きを見る
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