Strength Analysis of a Container Lashing on the Container Ship by Using Finite Element Method

Yulianto, Totok; Sujiatanti, Septia Hardy; Ariesta, Rizky Chandra; Aufar, Muhammad Rifqi

doi:10.5220/0008375401010105

Cited by 2 publications

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“…They carried out a series of numerical and experimental analyses also and verified the feasibility of numerical simulations to predict the lashing loads and the load capacity of the lashing device. Yulianto et al [8] calculated lashing strength on ship containers for even keel conditions and tilted conditions by means of the finite element method. Gheshmi and Brindley [9] performed a nonlinear finite element analysis to predict the loads on the containers and lashing systems.…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigation of the Ultimate Strength of D-Ring Devices and Deck Structures

Nam¹,

Park

Kim

2022

JMSE

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An accurate prediction of the ultimate strength of lashing devices and deck structures is important to ensure the safety of the crews and carrying ships. In this study, finite element analysis using ABAQUS/implicit was performed to investigate the ultimate strength of D-ring devices subjected to various external loads. The resistance of deck plates to which the D-ring devices were clamped was also analyzed numerically, considering the effects of the plate thickness and corrosion wastage. The resultant force-displacement relationship of the devices and the deck plate was investigated from the simulations and the threshold was determined by means of the tangent interaction method. The numerical results were compared with the Cargo Stowage and Securing Code proposed by the International Marine Organization and the results showed that the code predicts conservative ultimate strength of the D-ring devices in most cases. The deck plate with a thickness of 6 mm should have a local stiffener to increase structural strength whereas corrosion wastage has negligible effect on the deck strength. The numerical analysis verified the feasibility of predicting the ultimate strength of D-ring devices and deck structures. Nevertheless, the need for further experimental study is acknowledged to validate the feasibility of the numerical results.

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Section: Introductionmentioning

confidence: 99%

Numerical Investigation of the Ultimate Strength of D-Ring Devices and Deck Structures

Nam¹,

Park

Kim

2022

JMSE

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Research of assessing the reliability of containers securing taking into account the actual metacentric height of the container ship

Tsarik

2024

jour

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The study focuses on the impact of the metacentric height of container ships on the reliability of container securing systems in order to prevent container loss overboard, which is a significant issue in the shipping industry. It is noted that the increase in ship capacity is achieved by increasing the number of layers of containers stacked on deck. Dynamic loads on the securing means of containers stowed in the upper tiers of container stacks are increasing, that can be particularly dangerous in the intense rolling conditions. It is noted that the international shipping community is well aware of the significance of this issue and is working to develop solutions. Assessment of the expected reliability of securing systems and prevent container loss through a comprehensive analysis of relevant factors is considered. The complexity of this assessment lies in the presence of many uncertainties in the calculation algorithm. These uncertainties are supposed to be quantified taking into account the accumulated experience and statistical data within the framework of the TopTier industry project. Existing methods and calculation algorithms do not take into account the fact that the actual height of the center of gravity of containers differs from the accepted value. The goal of this article is to study the effect of the actual metacentric height of a container ship on the parameters of rolling and the loads on containers and their securing means depending on it. To do this, using the example of a real ultra large container ship, a comparative analysis of the effect of metacentric height on the rolling acceleration was performed. The effect of the rolling acceleration on the loads acting on the deck container stack has been shown. The necessity to take into account the actual height of the center of gravity of containers is justified for the correct determination the metacentric height of the container ship and calculation loads in order to ensure the safety of operation of container ships and prevent containers from being lost overboard.

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Strength Analysis of a Container Lashing on the Container Ship by Using Finite Element Method

Cited by 2 publications

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Numerical Investigation of the Ultimate Strength of D-Ring Devices and Deck Structures

Numerical Investigation of the Ultimate Strength of D-Ring Devices and Deck Structures

Research of assessing the reliability of containers securing taking into account the actual metacentric height of the container ship

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