Motion-Reducing Device under Seismic Excitationby Paul H. Wirsching, (A.M.ASCE), Assoc. Prof.; Aerospace and Mech. Engrg., Univ. of Arizona, Tuscon, AZ,
James T. P. Yao, (M.ASCE), Prof.; Civ. Engrg., Purdue Univ., Lafayette, IN; formerly, Prof. of Civ. Engrg., Univ. of New Mexico, Albuquerque, NM,
Serial Information: Journal of the Engineering Mechanics Division, 1972, Vol. 98, Issue 1, Pg. 285-292
Document Type: Journal Paper
Abstract: It is well known that the vibration level of a synchronous machine or device subjected to a steady state sinusoidal excitation can be reduced by the attachment of an undamped vibration absorber. In the present study, a nonstationary stochastic process is used as the excitation. The results indicate that in a statistical sense, the absorber system may be considerably more effective than was suggested by previous studies.
Subject Headings: Excitation (physics) | Vibration | Equipment and machinery | Steady states | Stationary processes | Statistics | Seismic tests
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