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Citation:
　Jianwei Zhang,Weiwen Qian,Jinshu Lu,et al.Fluidization Prediction of Liquefiable Cargo: Based on FINN and UBCSAND Constitutive Models[J].Journal of Marine Science and Application,2022,(2):210-227.[doi:10.1007/s11804-022-00266-x]
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Fluidization Prediction of Liquefiable Cargo: Based on FINN and UBCSAND Constitutive Models

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Title:
Fluidization Prediction of Liquefiable Cargo: Based on FINN and UBCSAND Constitutive Models
Author(s):
Jianwei Zhang1;  Weiwen Qian1;  Jinshu Lu1;  Gechuan Chen2
Affilations:
Author(s):
Jianwei Zhang1;  Weiwen Qian1;  Jinshu Lu1;  Gechuan Chen2
1. School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan, 316022, China;
2. Zhoushan Certification & Inspection Co., Ltd, Zhoushan, 316022, China
Keywords:
Liquefiable cargo|Fluidization|FINN|UBCSAND|Ship motion|Relative density
分类号:
-
DOI:
10.1007/s11804-022-00266-x
Abstract:
Fluidization mechanism of liquefiable cargo is similar to that of sand liquefaction. But the cargo is subjected to more complex external loads during sea transportation. Based on two different constitutive models, numerical predictions were conducted in this study. And the effects of ship motions including motion acceleration, frequency and relative density of cargo on fluidization was investigated. By comparing with available the experimental data, validation is carried out. Results show that the roll motion is the most important one related to cargo fluidization. When the motion acceleration increases, the possibility of cargo fluidization increases. The higher of the cargo density the lower of the possibility of cargo fluidization. The effect of frequency on cargo fluidization is not unique, and it exists a critical value. The fluidization behavior of cargo could be described both by UBCSAND and FINN models. And the comparisons were discussed and summed up.

References:

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Memo

Memo:
Received date: 2022-01-31;Accepted date:2022-05-16。
Foundation item:This research was financially supported by the National Natural Science Foundation of China (Grant No. 51809237) and the Fundamental Research Funds for the Provincial Universities (Grant No. 2021J017).
Corresponding author:Jinshu Lu,E-mail:ljs_ljs@zjou.edu.cn
Last Update: 2022-08-17