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Tuesday, July 9 • 12:30 - 12:50
OPTIMUM STIFFNESS TO ELIMINATE DIRECTIONAL COUPLING EFFECT BY MASS ECCENTRICITY OF A MASS-SPRING SYSTEM

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In many cases, various mounts are used to support equipment. At the same time, mounts are installed to reduce vibration and noise to and from the equipment. Sometimes, however, mounts unintentionally plays as vibration and noise amplifiers. To study this, an equipment(modeled as rigid mass) with four mounts(modeled as linear springs) are considered. Case studies are conducted with varying stiffness of each mount and varying mass eccentricity. As a first step to reduce transmitted vibration, in this paper, modal analysis has been conducted to find optimum mount stiffness to eliminate directional coupling effect by mass eccentricity is suggested.

Moderators
avatar for Simon Jones

Simon Jones

Associate Professor, Rose-Hulman Institute of Technology
Professional interests include undergraduate engineering education, finite element modeling, ground-borne vibrations, vibrations of musical instruments, and dynamics of toys.
GM

Guilhem Michon

Professor, ISAE-SUPAERO

Authors

Tuesday July 9, 2019 12:30 - 12:50 EDT
St-Laurent 7
  T07 Struct. dyn. & nonlin. vib., RS03 Struct ac & vibr