ボルト締結部の有限要素解析法の検討(S16-4 機械締結,S16 締結・接合部のプロセスと信頼性評価)

概要

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The stiffness of an engineering structure with joints depends not only on the materials and dimensions of the structure but also on the stiffness of the fasteners that connect its components. In order to evaluate the mechanical behavior of a complex structure with bolted joints, it is important to develop a practical finite-element modeling-technique with considering the effect of the joint. In this study, we developed a modeling technique in which the bolt-jointed structure was simplified by using shell elements and beam elements. The stiffness of beam element was related to the stiffness of jointed plates and bolt. And the stiffness of the bearing surface region was considered as the same as the equivalent elastic modulus to prevent from local bending deformation. The results showed that the analysis values of the strain agree with experimental results well.
社団法人日本機械学会の論文
2004-09-04