Fatigue Magnification Factors of Arc-Soft-Toe Bracket Joints

Fu, Qiang; Li, Huajun; Wang, Hongqing; Wang, Shuqing; Li, Dejiang; Li, Qun; Fang, Hui

doi:10.1007/s11802-018-3374-4

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2022

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“…Doerk et al (2003) applied different structural stress evaluation methods to a bracket toe. Fu et al (2018) reflected the macroscopic geometric effects of Arc-Soft-Toe Bracket (ASTB) crack features and constructed a 3D finite element model to minimize cracking, for different bracket geometries. Irving et al (2005) studied the fatigue performance of two different bracket connections for use in high-speed ocean craft under constant-amplitude and cyclic tests.…”

Section: Introductionmentioning

confidence: 99%

Effect of bow hull form on the buckling strength assessment of the corner bracket connection

et al. 2022

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Section: Introductionmentioning

confidence: 99%

Effect of bow hull form on the buckling strength assessment of the corner bracket connection

et al. 2022

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“…The crack appears when the bracket toe is not soft enough to release the stress concentration. Therefore, cracks often appear at the end of the toe of the elbow and the direction is approximately perpendicular to the weld [1]. Conventional annual inspection or docking detection of offshore platforms is insensitive to micro-fatigue cracks, leading to missed detection of fatigue cracks.…”

Section: Introductionmentioning

confidence: 99%

High-Resolution Crack Localization Approach Based on Diffraction Wave

Sun

Liu

et al. 2019

Sensors

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The delay-and-sum imaging algorithm is a promising crack localization approach forcrack detection and monitoring of key structural regions. Most studies successfully offer a hole-likedamage position. However, cracks are more common than hole-like damages in a structure. To solvethis issue, this paper presents a crack localization approach, based on diffraction wave theory, whichis capable of imaging crack endpoints. The guided wave propagated to the crack endpoints andtransformed into a diffraction wave. A line sensor array was used to record the diffractionwaveform. Then, dispersion compensation was applied to shorten the dispersive wave packets andseparate the overlapping wave packets. Subsequently, half-wave compensation was executed toimprove the localization accuracy. Finally, the effectiveness of this high-resolution crack localizationmethod was validated by an experimental example.

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Fatigue Magnification Factors of Arc-Soft-Toe Bracket Joints

Cited by 2 publications

References 8 publications

Effect of bow hull form on the buckling strength assessment of the corner bracket connection

Effect of bow hull form on the buckling strength assessment of the corner bracket connection

High-Resolution Crack Localization Approach Based on Diffraction Wave

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