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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.
Benchmark study, Buckling, Experiment, Failure modes, Finite element analysis, Ultimate limit state
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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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
de84fc25-a0ea-465f-b586-bd37a821e3a7
Feng, Guoqing
42bf46e1-f260-4766-b6e7-130b989eec6a
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
3c78e596-d14a-4f70-9e7d-72982537cb69
Ringsburg, Jonas
6b937275-e973-496a-864a-6576351c2e98
Darie, Ionel
4735686e-de51-41d8-b815-8346a57d45e6
Nahshon, Ken
401986ea-fe63-45b7-9d9b-a5ecddc245cc
Krautman, Gillian
6b51e056-980f-4724-af5a-48c454dac7f0
Amdahl, Jorgen
70997e03-5e31-4068-947f-30396b0e62db
Vaz, Murilo Augusto
18914b7a-a744-4339-beb6-30a27f277488
Benson, Simon
fde3c768-8c11-400f-a002-46b06c25c4b7
Brubak, Lars
6d08a606-3ccb-4548-b3b7-2d05e0878bee
Ehlers, Soren
de84fc25-a0ea-465f-b586-bd37a821e3a7
Feng, Guoqing
42bf46e1-f260-4766-b6e7-130b989eec6a
Fujikubo, Masahiko
b786abee-c9c5-415c-92eb-ce1ca200e363
Gaiotti, Marco
837dac57-e9b9-4ac4-a4ab-bdd96b9edb79
Hu, Zhiqiang
dd1145f0-e08d-462b-8ceb-61f731242b0c
Jang, Beom-Seon
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Paik, Jeom-Kee
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Tabri, Kristjan
356c5b68-8f06-4c67-8b75-14216758c1c8
Wang, Yikun
2729f2f1-36d7-4daa-8589-b61fcc99a313
Yanagihara, Daisuke
3c78e596-d14a-4f70-9e7d-72982537cb69

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]. (doi: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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Accepted/In Press date: 16 May 2021
Published date: September 2021
Additional Information: Funding Information: This benchmark study was performed by seventeen groups worldwide. The authors of the paper have been responsible for their group's work and deliverables. Several groups engaged coworkers, MSc students, and PhD students in the work. Additionally, Dr. Paul E Hess III of the US Navy's Office of Naval Research is gratefully acknowledged for provided funding for the testing activities as well as NSWCCD's participation. On behalf of the ISSC 2022 technical committee III.1-Ultimate Strength, the two leading authors acknowledge all persons who have been involved - without our joint interest, ambition and efforts, it would not have been possible to carry out and complete this study. Publisher Copyright: © 2021 The Authors
Venue - Dates: The 21st International Ship and Offshore Structures Congress (ISSC), , Vancouver, Canada, 2022-09-10 - 2022-09-16
Keywords: Benchmark study, Buckling, Experiment, Failure modes, Finite element analysis, Ultimate limit state

Identifiers

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

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Date deposited: 25 May 2021 16:32
Last modified: 17 Mar 2024 03:32

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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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