663 両端固定はりに粘弾性型動吸振器を用いた制振

概要

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This paper describes vibration control using viscoelastic type dynamic absorber on both ends fixed beam. The Vibrating elements of the primary system and the dynamic vibration absorber system assumed to be viscoelastic body which have complex spring constants. The dynamic vibration absorber consists of a mass and a viscoelastic body. When the primary system have no damping, the fixed point theory can be used and the optium tuning condition and loss factor are obtained. Vibration transmissibilities of viscoelastic type dynamic absorber on both ends fixed beam are measured experimentally. The results show good agreement with calculated ones. It is concluded that the equivalent model of complex spring constants can be explained well for vibration control characteristics of dynamic vibration absorber using viscoelastic body (rubber vibration isolator).
一般社団法人日本機械学会の論文
2000-09-01