Study on Fatigue Strength of Welded Joints Subject to Intermittently Whipping Superimposed Wave Load

Osawa, Naoki; Gracia, Luis De; Iijima, Kazuhiro; Yamamoto, Norio; Kyosuke, Matsumoto

doi:10.1007/978-981-15-4672-3_29

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2022

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“…The stochastic characteristics of the hull vibration superimposed stress waveform experienced by 6500 TEU container ship's deck longitudinal were analyzed in [22]. The authors developed an electric exciter-driven plate bending vibration fatigue testing machine, which is able to carry out the whipping superimposed fatigue tests of welded joints, and it was found that rainflow counting produces conservative estimates of the fatigue lives.…”

Section: Figure 11mentioning

confidence: 99%

Review of Fatigue Assessment Approaches for Welded Marine Joints and Structures

Corigliano

Crupi²

2022

Metals

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Welded joints are widely used in many sectors and represent the main joining technique also in the marine industry. The welded joints are sites of high stress concentrations and are subject to severe conditions for the marine environment. The design of marine welded joints has to consider the effects from wave loads, ship motions and loading/unloading operations and corrosion effects. The aim of this scientific work is to discuss about the state of the art of the standards and the approaches for predicting the fatigue life of welded joints used for the marine industry. Several approaches are examined in order to provide an overview and highlight the advantages and limitations of each method. Furthermore, recent advances in welding of dissimilar metals and autonomous welding are considered.

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Section: Figure 11mentioning

confidence: 99%