Oblique Ice-breaking Load and Motion Characteristics Analysis of Water-exiting Vehicles

YE Yonghao; HE Baiyan; PEI Jinliang; ZHANG Yigan; QU Zehui; LIU Huaping; ZHANG Junhui; QI Runchao

doi:10.11993/j.issn.2096-3920.2026-0002

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Article Navigation > Journal of Unmanned Undersea Systems > 2026 > Accepted Manuscript

YE Yonghao, HE Baiyan, PEI Jinliang, ZHANG Yigan, QU Zehui, LIU Huaping, ZHANG Junhui, QI Runchao. Oblique Ice-breaking Load and Motion Characteristics Analysis of Water-exiting Vehicles[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2026-0002

Citation:

YE Yonghao, HE Baiyan, PEI Jinliang, ZHANG Yigan, QU Zehui, LIU Huaping, ZHANG Junhui, QI Runchao. Oblique Ice-breaking Load and Motion Characteristics Analysis of Water-exiting Vehicles[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2026-0002

Citation:

YE Yonghao, HE Baiyan, PEI Jinliang, ZHANG Yigan, QU Zehui, LIU Huaping, ZHANG Junhui, QI Runchao. Oblique Ice-breaking Load and Motion Characteristics Analysis of Water-exiting Vehicles[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2026-0002

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Oblique Ice-breaking Load and Motion Characteristics Analysis of Water-exiting Vehicles

doi: 10.11993/j.issn.2096-3920.2026-0002

YE Yonghao^1
,,
HE Baiyan^1
,,
PEI Jinliang^2
,,
ZHANG Yigan^1
,,
QU Zehui^1
,,
LIU Huaping^{1
,
,},
ZHANG Junhui^1
,,
QI Runchao^1
,

1.
School of Aerospace Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2.
Beijing Institute of Astronautical Systems Engineering, Beijing 101160, China

Received Date: 2026-01-04
Accepted Date: 2026-02-25
Rev Recd Date: 2026-02-12

Available Online: 2026-07-14

Abstract

Abstract

Underwater vehicles possessing water-exit ice-breaking capabilities hold significant application value for polar scientific research and resource exploration. However, existing research primarily focuses on vertical ice-breaking, with a notable lack of investigation into the impact of the oblique angle on ice-breaking performance. Therefore, a numerical model for the oblique water-exit and ice-breaking process of a vehicle is established based on the Arbitrary Lagrangian-Eulerian (ALE) fluid-structure interaction algorithm. The effects of the oblique angle, initial velocity, and ice thickness on the load and motion characteristics of the vehicle are systematically analyzed. The results indicate that during the initial stage of ice-breaking, the impact of the vehicle's conical head induces intense local stress concentration in the ice sheet. This leads to the early initiation of radial cracks at the top surface, followed by failure originating from the center. The center of the resultant force on the vehicle deviates from its axis, causing an exacerbated deflection along the initial oblique direction, and a trend that becomes more pronounced as the initial velocity and ice thickness increases. For the θ=10° case, the vehicle’s attitude is governed by the ice-breaking kinetic energy: under conditions of low velocity and thick ice, the attitude exhibits a “deflection-recovery” pattern; conversely, under high velocity and thin ice conditions, it transitions to a “deflection-steady flight” pattern. The findings of this research provide a valuable theoretical reference for the design and development of polar cross-media vehicles in the future.
- oblique ice-breaking,
- fluid-structure interaction,
- load characteristics,
- motion characteristics

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References(24)

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