非保存弾性安定問題における減衰の効果に関する理論的ならびに実験的研究

概要

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A theoretical analysis and quantitative experiments are performed to examine the effect of damping on the stability of a Reut-type nonconservative model. The model consists of two similar rigid rods, and is subjected to a nonconservative force produced by an impinging air jet. Damping due to an attached dash-pot is taken into account, as well as internal and external damping. The effect of damping configuration on stability is demonstrated in detail. The change in flutter force is discussed when the location of a dash-pot shifts along the rods. There exists an optical location for a dash-pot in stabilizing the model. Experimental results are compared with a theoretical prediction obtained by taking measured damping coefficients into account.
社団法人日本機械学会の論文
1986-04-25