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Citation:
　Chenfeng Li,Guanchen Wei,Zixiong Kang,et al.Simulation Analysis of Thermal Load and Ultimate Bearing Capacity of Hull Girder Under Cabin Fire[J].Journal of Marine Science and Application,2026,(3):758-774.[doi:10.1007/s11804-026-00821-w]
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Simulation Analysis of Thermal Load and Ultimate Bearing Capacity of Hull Girder Under Cabin Fire

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Title:
Simulation Analysis of Thermal Load and Ultimate Bearing Capacity of Hull Girder Under Cabin Fire
Author(s):
Chenfeng Li1; 2;  Guanchen Wei1; 2;  Zixiong Kang1; 2;  Houyao Zhang1; 2;  Xueqian Zhou1; 2
Affilations:
Author(s):
Chenfeng Li1; 2;  Guanchen Wei1; 2;  Zixiong Kang1; 2;  Houyao Zhang1; 2;  Xueqian Zhou1; 2
1 College of Shipbuilding Engineering, Harbin Engineering University, Harbin, 150001, China;
2 International Joint Laboratory of Naval Architecture and Offshore Technology between Harbin Engineering University and the University; of Lisbon, Harbin, 150001, China
Keywords:
Ship and ocean engineering; Cabin fire; Fire simulation; Thermal load; Thermo-mechanical coupling analysis; Residual bearing capacity
分类号:
-
DOI:
10.1007/s11804-026-00821-w
Abstract:
The hull structure may collapse or deform severely under fire conditions. In this study, the safety of a ship’s cabin structure under fire is evaluated using a dual-zone large eddy fire scenario simulation method and a sequential thermo-mechanical coupling analysis method. Taking a three-compartment section of a naval surface ship as a case study, a machinery room fire scenario was simulated and the fire temperature field was analyzed. Through a dedicated data interface, the full-field time-varying temperature loads were mapped to the finite element model of the compartment section, thereby achieving thermo-mechanical coupled analysis of the cabin structure. The effects of thermal expansion on the hull structure under rising fire temperatures were considered in the evaluation of the residual load-bearing capacity of the cabin. The results indicate that the residual load-bearing capacity of the compartment is closely linked to the fire development stage. Temperature not only significantly affects the mechanical properties of steel but also influences the structural load-bearing capacity through thermally stresses.

References:

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Memo

Memo:
Received date:2025-5-14。<br>Foundation item:This research was supported by the National Natural Science Foundation of China (Grant No. 52171305) and supported by the National Key R&amp;D Program of China (Grant No. 2022YFB330 6200).<br>Corresponding author:Xueqian Zhou,E-mail:xueqian.zhou@hrbeu.edu.cn
Last Update: 2026-06-25