An empirical formula to assess ultimate strength of initially deflected plate: Part 2 = combined longitudinal compression and lateral pressure

Kim, Do Kyun; Shen, Li; Yoo, Kwangkyu; Danasakaran, Kumutha; Cho, Nak-Kyun

doi:10.1016/j.oceaneng.2022.111112

Cited by 3 publications

(11 citation statements)

References 67 publications

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“…The additional advantage of the empirical formulation proposed in this study goes to the four coefficients ( 1 k to 4 k ), which are the constant values so that computational cost can be efficiently saved in predicting the ULS of plates. In contrast, the previous empirical formulation by Kim et al (2018c) In this study, we proposed a generalised shape of the empirical formulation in predicting the ultimate limit state of the plate. Furthermore, its applicability was validated by considering initially deflected plate conditions under longitudinal compression.…”

Section: • Loading Type = Longitudinal Compression Onlymentioning

confidence: 97%

“…To investigate the distribution of geometric and material properties of the plate element, recently, Kim et al (2018c) .14mm, b= 837.07mm, and t = 18.30mm. The application of Goodness-of-fit test may be referred to (Kim et al, 2020b;Kim et al, 2020c).…”

Section: Selection Of Reliable Plate Scenariosmentioning

confidence: 99%

“…(1-1) or two-bay & two-span or three-bay & three-span modelling technique is recommended for the finite element (FE) modelling of the plate (Paik, 2018;Paik and Thayamballi, 2007) 2012) and (Kim et al, 2018c), as shown in Fig. 2(a) and (b).…”

Section: Remarkably One Of the Technical Committees (Iii1 Ultimate St...mentioning

confidence: 99%

“…Finally, ten elements are allocated between stiffeners, meaning that deflected plate shape can represent well by dividing the relevant number of the elements. (Kim et al, 2018c)…”

Section: Remarkably One Of the Technical Committees (Iii1 Ultimate St...mentioning

confidence: 99%

“…The FE analysis results of 700 plate scenarios by Kim et al (2018c) were utilised in developing the empirical formulation. The accuracy of the developed outcome was also verified by statistical analysis.…”

Section: Development Of General Shape Of Empirical Formulationmentioning

confidence: 99%

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An empirical formula to assess ultimate strength of initially deflected plate: Part 1 = propose the general shape and application to longitudinal compression

et al. 2022

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Section: • Loading Type = Longitudinal Compression Onlymentioning

confidence: 97%

Section: Selection Of Reliable Plate Scenariosmentioning

confidence: 99%

Section: Remarkably One Of the Technical Committees (Iii1 Ultimate St...mentioning

confidence: 99%

“…Finally, ten elements are allocated between stiffeners, meaning that deflected plate shape can represent well by dividing the relevant number of the elements. (Kim et al, 2018c)…”

Section: Remarkably One Of the Technical Committees (Iii1 Ultimate St...mentioning

confidence: 99%

Section: Development Of General Shape Of Empirical Formulationmentioning

confidence: 99%

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An empirical formula to assess ultimate strength of initially deflected plate: Part 1 = propose the general shape and application to longitudinal compression

et al. 2022

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Reliability-based assessment of ship hull girder ultimate strength

Adiputra

Yoshikawa

Erwandi

2023

Curved and Layered Structures

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A reliability-based approach is presented to investigate the effects of structural and load uncertainties on the reliability estimation of ship hull girders. Structural uncertainties included randomness in material properties, geometric properties, initial geometric imperfections, and corrosion behavior. Load uncertainties included statistical uncertainties, model uncertainties, environmental uncertainties, and uncertainties related to nonlinearity. The hull girder ultimate strength was calculated using Smith’s method, and the probabilistic density function was evaluated by employing Monte Carlo simulations. In the load estimation, the still water bending moment and wave-induced bending moment were calculated using a simplified formula of the International Association of Classification Societies-Common Structural Rules code and then modified with load parameters. The reliability index was estimated using a first-order reliability method considering the operating time, the duration of the ship in the alternate hold loading condition, and the severity of the corrosion rate. As a result, sagging conditions dominated the collapse mode. The reliability indexes were obtained for the observed cases, and the viability of the ship was assessed accordingly.

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FEM Structural Analysis for Ship's Beam Modification: A Case Study

Popa,

Manea,

Ristea-Komornicki

2024

Eng. Technol. Appl. Sci. Res.

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Classification is mandatory for all seagoing ships engaged in international trade worldwide, with regulations that require the strength of the hull construction to be confirmed. Upon completion of the ship's construction or during the execution of repair works in shipyards (reconversion works, modification of panels, replacement of equipment, etc.), the strength structure of the ship may be affected and the classification society must certify that it meets the requirements. Replacing old equipment sometimes implies some variations in overall dimensions, which may impose some changes (adjustments) on the layout of structural panel elements. This study applied the Finite Element Method (FEM) considering the von Mises theory in a case study of a beam modification with the support of the ANSYS software. This study used the reverse engineering method to investigate an already implemented solution.

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An empirical formula to assess ultimate strength of initially deflected plate: Part 2 = combined longitudinal compression and lateral pressure

Cited by 3 publications

References 67 publications

An empirical formula to assess ultimate strength of initially deflected plate: Part 1 = propose the general shape and application to longitudinal compression

An empirical formula to assess ultimate strength of initially deflected plate: Part 1 = propose the general shape and application to longitudinal compression

Reliability-based assessment of ship hull girder ultimate strength

FEM Structural Analysis for Ship's Beam Modification: A Case Study

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