The Influence of Bolt Layout Form to the Dynamic Stiffness of the Column

Abstract

In the case of the column materials to determined, the lower natural frequency of column is determined by the number of coupling bolts and bolt arrangement. In this paper, by three-dimensional modeling software of Solidwork column model of hobbing is set up, then by using ANSYS finite element analysis software. The initial four order natural frequency to the different number of connection bolts and the different arrangement of bolt are respectively calculated. After the initial four order natural frequency are contrasted, we conclude that in the case of merely considering dynamic stiffness this study reach it is the most reasonable to select 8-12 bolts in the hobbing of YKQ31300, and different bolt arrangement of effects on the dynamic stiffness of the column is very small and can be ignored.

Optimization of Bolted Joints: A Literature Review

“…Among the three layouts tested, the front-to-back arrangement under the constraint of eight bolts was found to be the most effective. Nevertheless, the difference in the dynamic stiffness value of the natural frequency was less than one percent, suggesting that the influence of bolt arrangement on the column's dynamic stiffness could be ignored [10]. In another study [11], a bending load was applied to a pinned joint cantilever member to investigate the distribution of stresses.…”