すきま流励起振動に関する研究 : 第5報, 並進・回転2自由度達成系の安定性解析と実験

概要

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The stabilities of a rigid, thin plate which can vibrate in coupled modes of translational and rotational motions in a one-dimensional, narrow, tapered passage are studied, and the critical flow rates, natural frequencies and modes at the stability boundaries are determined theoretically and experimentally. The theoretical results agree very well with those obtained from experiments. The types of flutter are also examined theoretically. The divergent-type and flutter-type instabilities can occur, and flutter type is classified into single degree-of-freedom flutter, which can also occur in the case of single degree-of-freedom system, and two degree-of-freedom flutter, which can occur only in the case of two degree-of-freedom system. Single degree-of-freedom flutter hardly occurs when the passage is convergent or when the pivot of rotation is near inlet of the passage, but two degree-of-freedom flutter is apt to occur in either condition.
社団法人日本機械学会の論文
1989-03-25