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The ISSC 2022 Committee III.1-Ultimate Strength benchmark study on the ultimate limit state analysis of a stiffened plate structure subjected to uniaxial compressive loads

The ISSC 2022 Committee III.1-Ultimate Strength benchmark study on the ultimate limit state analysis of a stiffened plate structure subjected to uniaxial compressive loads
The ISSC 2022 Committee III.1-Ultimate Strength benchmark study on the ultimate limit state analysis of a stiffened plate structure subjected to uniaxial compressive loads
This paper presents a benchmark study on the ultimate limit state analysis of a stiffened plate structure subjected to uniaxial compressive loads, initiated and coordinated by the ISSC 2022 technical committee III.1-Ultimate Strength. The overall objective of the benchmark is to establish predictions of the buckling collapse and ultimate strength of stiffened plate structures subjected to compressive loads. Participants were asked to perform ultimate strength predictions for a full-scale reference experiment on a stiffened steel plate structure utilizing any combination of class rules, guidelines, numerical approaches and simulation procedures as they saw fit. The benchmark study was carried out blind and divided into three phases. In the first phase, only descriptions of the experimental setup, the geometry of the reference structure, and the nominal material specifications were distributed. In the second phase, the actual properties of the reference structure were included. In the third and final phase, all available information on the reference structure and measured properties were distributed, including the material properties and laser-scanned geometry. This paper presents the results obtained from seventeen submitted FE simulations as well as details on the experiment. It also presents comparisons of the force versus the displacement curve, failure modes and locations for each phase, among others, and a discussion on the participants’ ability to predict the characteristics of the reference experiment with the information that is available for the phase. The outcome of the study is a discussion and recommendations regarding the design of finite element models for the ultimate state analysis of stiffened plate structures, with emphasis on the prediction of the ultimate capacity, force-displacement curve, and failure mode and location related to access to data, uncertainties and modeling of the material properties, geometric imperfections and distortions, and residual stresses.
/10.1016/j.marstruc.2021.103026
0951-8339
Ringsburg, Jonas
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Darie, Ionel
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Nahshon, Ken
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Krautman, Gillian
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Benson, Simon
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Brubak, Lars
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Ehlers, Soren
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Feng, Guoqing
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Paik, Jeom-Kee
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Tabri, Kristjan
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Wang, Yikun
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Yanagihara, Daisuke
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Ringsburg, Jonas
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Darie, Ionel
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Nahshon, Ken
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Krautman, Gillian
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Amdahl, Jorgen
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Vaz, Murilo Augusto
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Benson, Simon
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Brubak, Lars
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Ehlers, Soren
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Feng, Guoqing
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Fujikubo, Masahiko
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Gaiotti, Marco
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Hu, Zhiqiang
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Jang, Beom-Seon
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Paik, Jeom-Kee
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Tabri, Kristjan
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Wang, Yikun
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Yanagihara, Daisuke
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Ringsburg, Jonas, Darie, Ionel, Nahshon, Ken, Krautman, Gillian, Amdahl, Jorgen, Vaz, Murilo Augusto, Benson, Simon, Brubak, Lars, Ehlers, Soren, Feng, Guoqing, Fujikubo, Masahiko, Gaiotti, Marco, Hu, Zhiqiang, Jang, Beom-Seon, Paik, Jeom-Kee, Tabri, Kristjan, Wang, Yikun and Yanagihara, Daisuke (2021) The ISSC 2022 Committee III.1-Ultimate Strength benchmark study on the ultimate limit state analysis of a stiffened plate structure subjected to uniaxial compressive loads. Marine Structures, 79, [103026]. (/10.1016/j.marstruc.2021.103026).

Record type: Article

Abstract

This paper presents a benchmark study on the ultimate limit state analysis of a stiffened plate structure subjected to uniaxial compressive loads, initiated and coordinated by the ISSC 2022 technical committee III.1-Ultimate Strength. The overall objective of the benchmark is to establish predictions of the buckling collapse and ultimate strength of stiffened plate structures subjected to compressive loads. Participants were asked to perform ultimate strength predictions for a full-scale reference experiment on a stiffened steel plate structure utilizing any combination of class rules, guidelines, numerical approaches and simulation procedures as they saw fit. The benchmark study was carried out blind and divided into three phases. In the first phase, only descriptions of the experimental setup, the geometry of the reference structure, and the nominal material specifications were distributed. In the second phase, the actual properties of the reference structure were included. In the third and final phase, all available information on the reference structure and measured properties were distributed, including the material properties and laser-scanned geometry. This paper presents the results obtained from seventeen submitted FE simulations as well as details on the experiment. It also presents comparisons of the force versus the displacement curve, failure modes and locations for each phase, among others, and a discussion on the participants’ ability to predict the characteristics of the reference experiment with the information that is available for the phase. The outcome of the study is a discussion and recommendations regarding the design of finite element models for the ultimate state analysis of stiffened plate structures, with emphasis on the prediction of the ultimate capacity, force-displacement curve, and failure mode and location related to access to data, uncertainties and modeling of the material properties, geometric imperfections and distortions, and residual stresses.

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ISSC2022 Benchmark 210511 - accepted - Accepted Manuscript
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More information

Accepted/In Press date: 16 May 2021
Published date: 3 June 2021
Venue - Dates: The 21st International Ship and Offshore Structures Congress (ISSC), , Vancouver, Canada, 2022-09-10 - 2022-09-16

Identifiers

Local EPrints ID: 449332
URI: http://eprints.soton.ac.uk/id/eprint/449332
DOI: /10.1016/j.marstruc.2021.103026
ISSN: 0951-8339
PURE UUID: 6136f680-9fcf-4d53-96b3-25dfc6043879
ORCID for Yikun Wang: ORCID iD orcid.org/0000-0001-5619-7795

Catalogue record

Date deposited: 25 May 2021 16:32
Last modified: 29 Jun 2021 01:45

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Contributors

Author: Jonas Ringsburg
Author: Ionel Darie
Author: Ken Nahshon
Author: Gillian Krautman
Author: Jorgen Amdahl
Author: Murilo Augusto Vaz
Author: Simon Benson
Author: Lars Brubak
Author: Soren Ehlers
Author: Guoqing Feng
Author: Masahiko Fujikubo
Author: Marco Gaiotti
Author: Zhiqiang Hu
Author: Beom-Seon Jang
Author: Jeom-Kee Paik
Author: Kristjan Tabri
Author: Yikun Wang ORCID iD
Author: Daisuke Yanagihara

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