SCF of bird-beak SHS X-joints under asymmetrical brace axial forces

Cheng, Bin; Li, Chen; Lou, Yu; Zhao, Xilu

doi:10.1016/j.tws.2017.11.009

Cited by 4 publications

(1 citation statement)

References 14 publications

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“…On the other hand, in the recent studies some researchers have investigated in detail the concertation of the stress and its distribution in critical areas [18][19][20][21][22][23], where Lostsberg [18], Osawa et al [19] and Lotfollahi-Yagin et al [20] have focused on the stress hot spots in tubular joints, whereas, Cheng et al [21] investigated how the concertation of the stress affect the fatigue.…”

Section: Introductionmentioning

confidence: 99%

Trustworthiness in Modeling Unreinforced and Reinforced T-Joints with Finite Elements

Ouakka

Fantuzzi

2019

MCA

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As required by regulations, Finite Element Analyses (FEA) can be used to investigate the behavior of joints which might be complex to design due to the presence of geometrical and material discontinuities. The static behavior of such problems is mesh dependent, thus these results must be calibrated by using laboratory tests or reference data. Once the Finite Element (FE) model is correctly setup, the same settings can be used to study joints for which no reference is available. The present work analyzes the static strength of reinforced T-joints and sheds light on the following aspects: shell elements are a valid alternative to solid modeling; the best combination of element type and mesh density for several configurations is shown; the ultimate static strength of joints can be predicted, as well as when mechanical properties are roughly introduced for some FE topologies. The increase in strength of 12 unreinforced and reinforced (with collar or doubler plate) T-joints subjected to axial brace loading is studied. The present studies are compared with the literature and practical remarks are given in the conclusion section.

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