474 剛体のロッキングの減衰および固有振動数に対する底面形状の影響

概要

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Effect of base shape on damping and natural frequency of rocking of rigid body is presented. We pay attention to the fact that free vibration amplitude of rigid body decrease rapidly without dampers or damping materials. We consider rocking of rigid body is very attractive as a low cost dynamic vibration absorber. In the previous paper, we carried out theoretical analysis on damping characteristics of rocking of rigid body which base shape is polygon. In this paper, we carried out experimental study on damping characteristics of rocking to compare with the theoretical results of the previous paper. The experimental results compare well with calculation results. And theoretical analysis on amplitude dependency of the natural frequency of rocking of rigid body is carried out.
一般社団法人日本機械学会の論文
2009-08-03