<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Stiffened plates are the main structural building block in ship and offshore hulls and their structural response subject to loads is a topic of significant practical interest in ship and offshore structural design. To investigate the structural capacity for design and evaluation purposes, it is becoming an efficient and reliable practice to carry out non-linear finite element (FE) analysis. The present study is to assess the buckling strength of a stiffened deck panel on an FPSO vessel using the nonlinear finite element code ADVANCE ABAQUS, where imperfection sensitivity work is also accounted for. The cases studied correspond to in-plane bi-axial compression in the two orthogonal directions. The findings are compared with the DNVGL PULS (Panel Ultimate Limit State) buckling code for the stiffened panels. It is found that the strength values from the ADVANCE ABAQUS and DNVGL PULS code are very close. The results and insights developed from the present work are discussed in detail.</p></abstract>

Stiffened plates are the main structural building block in ship and offshore hulls and their structural response subject to loads is a topic of significant practical interest in ship and offshore structural design. To investigate the structural capacity for design and evaluation purposes, it is becoming an efficient and reliable practice to carry out non-linear finite element (FE) analysis. The present study is to assess the buckling strength of a stiffened deck panel on an FPSO vessel using the nonlinear finite element code ADVANCE ABAQUS, where imperfection sensitivity work is also accounted for. The cases studied correspond to in-plane bi-axial compression in the two orthogonal directions. The findings are compared with the DNVGL PULS (Panel Ultimate Limit State) buckling code for the stiffened panels. It is found that the strength values from the ADVANCE ABAQUS and DNVGL PULS code are very close. The results and insights developed from the present work are discussed in detail.

Assessment of Buckling Behaviour on an FPSO Deck Panel

Department of Naval Architecture and Ocean Engineering

Polish Maritime Research

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Assessment of Buckling Behaviour on an FPSO Deck Panel"}

Stiffened plates are the main structural building block in ship and offshore hulls and their structural response subject to loads is a topic of significant...

Assessment of Buckling Behaviour on an FPSO Deck Panel

Published Online: Sep 29, 2020

Page range: 50 - 58

DOI: https://doi.org/10.2478/pomr-2020-0046

Keywords
buckling strength, imperfection sensitivity, nonlinear finite element analysis, FPSO unit, deck panel

© 2020 Ozgur Ozguc, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Assessment of Buckling Behaviour on an FPSO Deck Panel

Published Online: Sep 29, 2020

Page range: 50 - 58

DOI: https://doi.org/10.2478/pomr-2020-0046

Keywordsbuckling strength, imperfection sensitivity, nonlinear finite element analysis, FPSO unit, deck panel

© 2020 Ozgur Ozguc, published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
buckling strength, imperfection sensitivity, nonlinear finite element analysis, FPSO unit, deck panel