Analysis of ultimate load-bearing behavior of stiffened plate under axial cyclic loading

CUI Huwei; DING Qiyin

doi:10.19693/j.issn.1673-3185.02400

Volume 17 Issue 4

Aug. 2022

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CUI H W, DING Q Y. Analysis of ultimate load-bearing behavior of stiffened plate under axial cyclic loading[J]. Chinese Journal of Ship Research, 2022, 17(4): 204–211 doi: 10.19693/j.issn.1673-3185.02400

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Analysis of ultimate load-bearing behavior of stiffened plate under axial cyclic loading

doi: 10.19693/j.issn.1673-3185.02400

CUI Huwei^,,
DING Qiyin

School of Shipping and Naval Architecture, Chongqing Jiaotong University, Chongqing 400074, China

Received Date: 2021-06-03
Rev Recd Date: 2021-09-12

Available Online: 2022-08-09

Publish Date: 2022-08-20

Abstract

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives In order to improve the accuracy of nonlinear numerical simulation of the ultimate load-bearing behavior of a hull stiffened plate, the effects of ideal elastoplastic, isotropic hardening and cyclic plastic Chaboche material models on the plastic yield distribution, compression and tensile ultimate strength of stiffened plates in their ultimate state are studied. Methods For a stiffened plate of the same size, ANSYS software is used to carried out non-linear finite element numerical simulation of ultimate bearing performance under axial cyclic compression and cyclic compression-tension loads. Results The results show that different material properties have a significant impact on the ultimate bearing capacity of stiffened plates and the plastic yield distribution in the ultimate state. When carrying out nonlinear finite element numerical simulation of the ultimate bearing behavior of a hull stiffened plate, it is necessary to select the appropriate material model according to different load forms. Conclusions The results of this study can provide valuable references for further research on the ultimate strength characteristics and cumulative plastic failure mechanisms of hull structures under cyclic loading.
- cyclic loading,
- stiffened plate,
- cyclic plasticity,
- ultimate strength

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