Experimental and Numerical Studies on the Shear Stability of Ship’s Thin Plates

The stability of thin plate plays an important role in the design and strength check of ship structure. In order to study the shear stability of ship’s thin plates, in-plane shear buckling tests were carried out using a picture frame fixture and a 3D full-field strain measurement system. The critica...

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Main Authors: Li Xiaowen, Zhu Zhaoiy, Chen Qinglin, Cai Yingqiang, Peng Miaojiao
Format: Article
Language:English
Published: Sciendo 2022-01-01
Series:Polish Maritime Research
Subjects:
Online Access:https://doi.org/10.2478/pomr-2021-0055
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author Li Xiaowen
Zhu Zhaoiy
Chen Qinglin
Cai Yingqiang
Peng Miaojiao
author_facet Li Xiaowen
Zhu Zhaoiy
Chen Qinglin
Cai Yingqiang
Peng Miaojiao
author_sort Li Xiaowen
collection DOAJ
description The stability of thin plate plays an important role in the design and strength check of ship structure. In order to study the shear stability of ship’s thin plates, in-plane shear buckling tests were carried out using a picture frame fixture and a 3D full-field strain measurement system. The critical buckling load, full-field displacement/strain information, and load-displacement curve were obtained. The finite element model with the frame fixture was established based on ABAQUS, with the eigenvalue buckling analysis and nonlinear buckling analysis being carried out to obtain the mechanical response information of the buckling and post-buckling of the ship’s thin plate. The effectiveness and accuracy of the numerical simulation method are verified by comparing the numerical simulation with the experimental results. On this basis, the critical buckling load obtained by shear test, numerical simulation, and theoretical calculation is analyzed, and the function of the frame shear fixture and its influence on the critical buckling load are defined. The research in this paper provides a useful reference for the testing and simulation of in-plane shear stability of ship’s thin plates.
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spelling doaj.art-68b49cf5e07141ccaf4ff929c3c3e3712022-12-21T19:24:17ZengSciendoPolish Maritime Research2083-74292022-01-0128413314110.2478/pomr-2021-0055Experimental and Numerical Studies on the Shear Stability of Ship’s Thin PlatesLi Xiaowen0Zhu Zhaoiy1Chen Qinglin2Cai Yingqiang3Peng Miaojiao4School of Marine Engineering, Jimei University, Jimei, ChinaSchool of Marine Engineering, Jimei University, Jimei, ChinaSchool of Marine Engineering, Jimei University, Jimei, ChinaSchool of Marine Engineering, Jimei University, Jimei, ChinaSchool of Marine Engineering, Jimei University, Jimei, ChinaThe stability of thin plate plays an important role in the design and strength check of ship structure. In order to study the shear stability of ship’s thin plates, in-plane shear buckling tests were carried out using a picture frame fixture and a 3D full-field strain measurement system. The critical buckling load, full-field displacement/strain information, and load-displacement curve were obtained. The finite element model with the frame fixture was established based on ABAQUS, with the eigenvalue buckling analysis and nonlinear buckling analysis being carried out to obtain the mechanical response information of the buckling and post-buckling of the ship’s thin plate. The effectiveness and accuracy of the numerical simulation method are verified by comparing the numerical simulation with the experimental results. On this basis, the critical buckling load obtained by shear test, numerical simulation, and theoretical calculation is analyzed, and the function of the frame shear fixture and its influence on the critical buckling load are defined. The research in this paper provides a useful reference for the testing and simulation of in-plane shear stability of ship’s thin plates.https://doi.org/10.2478/pomr-2021-0055shear stabilityship’s thin platefull-field strain measurementbucklingnonlinear
spellingShingle Li Xiaowen
Zhu Zhaoiy
Chen Qinglin
Cai Yingqiang
Peng Miaojiao
Experimental and Numerical Studies on the Shear Stability of Ship’s Thin Plates
Polish Maritime Research
shear stability
ship’s thin plate
full-field strain measurement
buckling
nonlinear
title Experimental and Numerical Studies on the Shear Stability of Ship’s Thin Plates
title_full Experimental and Numerical Studies on the Shear Stability of Ship’s Thin Plates
title_fullStr Experimental and Numerical Studies on the Shear Stability of Ship’s Thin Plates
title_full_unstemmed Experimental and Numerical Studies on the Shear Stability of Ship’s Thin Plates
title_short Experimental and Numerical Studies on the Shear Stability of Ship’s Thin Plates
title_sort experimental and numerical studies on the shear stability of ship s thin plates
topic shear stability
ship’s thin plate
full-field strain measurement
buckling
nonlinear
url https://doi.org/10.2478/pomr-2021-0055
work_keys_str_mv AT lixiaowen experimentalandnumericalstudiesontheshearstabilityofshipsthinplates
AT zhuzhaoiy experimentalandnumericalstudiesontheshearstabilityofshipsthinplates
AT chenqinglin experimentalandnumericalstudiesontheshearstabilityofshipsthinplates
AT caiyingqiang experimentalandnumericalstudiesontheshearstabilityofshipsthinplates
AT pengmiaojiao experimentalandnumericalstudiesontheshearstabilityofshipsthinplates