2010•Journal of Lanzhou University of TechnologyRequires access

ANSYS-based vibration modal analysis of welded metal bellows used for dry gas sealing

WU Zhen-ning

Abstract

Software ANSYS was used for modeling,meshing,and modal analysis of welded metal bellows.Its inherent frequency and mode of vibration were obtained,providing a basis for dynamic response analysis of the bellows.Mean time,the inherent frequency of the bellow was calculated by using theoretical formula,and then compared with inherent frequency calculated with modal analysis.Therefore,the reliability of the result of model analysis was verified.

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Key concepts: Bellows, Modal analysis, Vibration, Structural engineering, Modal, Modal testing, Welding, Engineering