Ship resistance when operating in floating ice floes: A combined CFD&DEM approach

L Huang, J Tuhkuri, B Igrec, M Li, D Stagonas, A Toffoli… - Marine Structures, 2020 - Elsevier
Whilst climate change is transforming the Arctic into a navigable ocean where small ice floes
are floating on the sea surface, the effect of such ice conditions on ship performance has yet …

Numerical simulation of an ice-strengthened bulk carrier in brash ice channel

W Luo, D Jiang, T Wu, C Guo, C Wang, R Deng… - Ocean Engineering, 2020 - Elsevier
In this paper, the CFD-DEM coupling numerical method was applied to study the ship
resistance of a certain type of ice-strengthened Panama bulk carrier in the brash ice …

基于多介质, 多尺度离散元方法的冰载荷数值冰水池

季顺迎, 田于逵 - 力学学报, 2021 - lxxb.cstam.org.cn
极地船舶与海洋工程结构冰载荷的确定是其结构抗冰设计, 冰区安全运行和结构完整性管理的
重要研究内容. 当前快速发展的高性能计算技术和多介质, 多尺度数值方法为准确 …

Non-smooth discrete element method analysis of channel width's effect on ice resistance in broken ice field

B Yang, Z Sun, G Zhang, B Yang, R Lubbad - Ocean Engineering, 2024 - Elsevier
A numerical model based on NDEM is used to investigate the effect of channel width on
broken-ice resistance in the channel. The model incorporates a limited impulse method to …

Three-dimensional discrete element modeling of the shear behavior of cemented hydrate-bearing sands

Y Ding, A Qian, H Lu - Journal of Natural Gas Science and Engineering, 2022 - Elsevier
Understanding the shear behavior of hydrate-bearing sands is fundamental for the safe
exploitation of natural gas hydrates. Calibration is necessary to accurately capture the shear …

Breaking characteristics of ice cover and dynamic ice load on upward–downward conical structure based on DEM simulations

X Long, S Liu, S Ji - Computational Particle Mechanics, 2021 - Springer
In ice-covered regions, the upward–downward ice-breaking cones are applied widely to
reduce the ice load on the vertical jacket offshore platforms. The ice load is affected by the …

Development of a methodology for prediction and calibration of parameters of DEM simulations based on machine learning

NE Bouassale, M Sallaou, A Aittaleb - Mechanics Research …, 2024 - Elsevier
This research work aims to develop a robust methodology for the global estimation of
interaction parameters based on machine learning, applicable to the discrete element …

Particle-continuum multiscale modeling of sea ice floes

Q Deng, SN Stechmann, N Chen - Multiscale Modeling & Simulation, 2024 - SIAM
Sea ice profoundly influences the polar environment and the global climate. Traditionally,
sea ice has been modeled as a continuum under Eulerian coordinates to describe its large …

[HTML][HTML] A Numerical Simulation Method for Investigating the Fluid–Structure–Ice Coupling Mechanism of a Wedge Breaking through Ice into Water

F Wang, Y Lu, Z Zhao, B Qiu, L Mu, X Wang, Y Jin - Applied Sciences, 2024 - mdpi.com
We aimed to investigate the fluid–solid–ice coupling mechanism as structures break through
ice into water. Using LS–DYNA finite element software, a numerical simulation method is …

Numerical ice tank for ice loads based on multi-media and multi-scale discrete element method

J Shunying, T Yukui - Chinese Journal of Theoretical and Applied …, 2021 - lxxb.cstam.org.cn
The investigation of ice loads on polar ships and offshore engineering structures is very
important for anti-ice structure design, safe operation and structural integrity management in …