Dynamic ultimate strength of a ultra-large container ship subjected to realistic loading scenarios

Jagite, George; Bigot, Fabien; Malenica, Šime; Derbanne, Quentin; Sourne, Hervé Le; Cartraud, Patrice

doi:10.1016/j.marstruc.2022.103197

Cited by 8 publications

(6 citation statements)

References 21 publications

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“…In this study, the new formula for estimating the dynamic ultimate strength of stiffened plates is subject to compression load. The proposed procedure has good agreement with the numerical analysis results Jagite et al [26] investigate the characteristics of ultra-large container dynamic ultimate strength under realistic load. The realistic load has been defined as the combined bending moment from the long-term hydro elastic analysis with the lateral and local loads.…”

Section: Introductionsupporting

confidence: 58%

Hull Girder Ultimate Strength Analysis of 17500 LTDW Oil Tanker under the Combined Global and Local Load using Explicit Finite Element Analysis

Zakki

Sisworo

2023

IOP Conf. Ser.: Earth Environ. Sci.

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This study investigates the hull girder’s ultimate strength of 17500 LTDW Oil Tanker. The explicit finite element analysis is carried out to estimate the hull girder longitudinal strength of the Oil Tanker. The numerical analysis starts with the longitudinal strength analyses that examine the ship’s structural response behavior due to sagging and hogging bending moment load. The structural strength analyses were conducted to determine the maximum structural response behavior for withstanding the operational load. Afterward, the hull girder’s ultimate strength is undertaken to reflect the progressive collapse behavior of the oil tanker structure under the combined global bending moment and local hydrostatic pressure load. The explicit finite element analysis is performed to estimate the ultimate strength behavior, considering the effect of the hydrostatic pressure load and the material nonlinearities. The typical 17500 LTDW oil tanker represents Indonesia’s common oil vessel that supports national fuel oil distribution. Furthermore, this study can recognize the oil tanker’s ultimate hull girder strength characteristics.

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Section: Introductionsupporting

confidence: 58%

Hull Girder Ultimate Strength Analysis of 17500 LTDW Oil Tanker under the Combined Global and Local Load using Explicit Finite Element Analysis

Zakki

Sisworo

2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Dynamic effects in fatigue analysis DAFFj and DAFF are evaluated through fatigue damage ratio in Equations 12 and 13 giving much larger value than dynamic effect value in strength analysis (see [17,18] and Figure 19), because DAFFj and DAFF in fatigue analysis are exponential dependent m in the fatigue curve S-N, with m ≥ 3. Figure 19, (incorporating the research results of [16][17][18]), shows that the dynamic effects of strength analysis and fatigue analysis are different. This is easy to explain because the input wave data for strength analysis and fatigue analysis are different.…”

Section: Discussionmentioning

confidence: 99%

“…The SCF, which is determined depending on the type of node, the type of force applied to the node, and the location of the hotspot, can be calculated as specified in the current Design Standard [1,[15][16][17].…”

Section: Figure 4 Stress Representation At the Hot Spot (Local Stress...mentioning

confidence: 99%

Assessment of Dynamic Effects of Wave Loads in Fatigue Analysis for Fixed Steel Offshore Structures

Cuong

Bui

2023

Civ Eng J

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This paper presents an algorithm and develops a formula to evaluate the dynamic effect of wave loading on fixed steel offshore structures (jacket structures) through the fatigue damage ratio. Applying the algorithm and formula proposed in this paper to evaluate the dynamic effect of wave loads in fatigue analysis for 03 Jacket structures built at increasing water depth under one specific marine condition and provide specific recommendations on the limits of application of quasi-static and dynamic methods in the fatigue analysis of the jacket structures. This research is really necessary because currently, the current standards (API, DnV) only stop at evaluating the dynamic effects of wave loads acting on the Jacket structure in the strength analysis. These standards propose a limit for quasi-static or dynamic analysis based on the "3.0 s or 2.5 s rule" (use the quasi-static method when Tmax≤ 3.0 s or ≤ 2.5 s), and it is advised that they only apply to waters within the North Sea and the Gulf of Mexico. This paper has demonstrated that it is not appropriate to use the specified standards for the North Sea and the Gulf of Mexico to select the method of fatigue analysis of the jacket structure in marine conditions outside the study area of the standard. Hoped that this paper will be a reference for engineers when choosing a fatigue analysis method for jacket structures in specific marine conditions at the location where the jacket structure has been installed. Doi: 10.28991/CEJ-2023-09-02-016 Full Text: PDF

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“…Yang and Wang [2] proved that the amplitude of structural response under dynamic load could reach up to 1.6 times of that under static loads. Jagite et al [3] found that the dynamic strength could be increased by more than 5.9 % compared that under the static loads for container ship.…”

Section: Introductionmentioning

confidence: 96%

Dynamic ultimate capacity analysis of rectangular girder under hammer impact

Shi,

Wang

2024

Vib. proced.

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The dynamic failure and ultimate capacity analysis of rectangular girder under bending moment has not been fully studied. In this paper, a rectangular girder scaled from actual ship deck structure is selected as the study objective to analyze the dynamic failure and ultimate flexure capacity. The dynamic response under hammer drop impact is studied, and then two criteria of dynamic ultimate flexure capacity of the girder are proposed based on the bending moment in section and permanent deformation. The novelty of this paper is the proposed evaluation criterion of dynamic ultimate capacity.

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Dynamic ultimate strength of a ultra-large container ship subjected to realistic loading scenarios

Cited by 8 publications

References 21 publications

Hull Girder Ultimate Strength Analysis of 17500 LTDW Oil Tanker under the Combined Global and Local Load using Explicit Finite Element Analysis

Hull Girder Ultimate Strength Analysis of 17500 LTDW Oil Tanker under the Combined Global and Local Load using Explicit Finite Element Analysis

Assessment of Dynamic Effects of Wave Loads in Fatigue Analysis for Fixed Steel Offshore Structures

Dynamic ultimate capacity analysis of rectangular girder under hammer impact

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