Dynamics and Worthiness Analysis of Offshore Oil Transport Hose under Complex Sea Conditions

ZHANG Yang; WU Jie; YANG Qi; HU Beiping; DENG Anli

doi:10.7643/issn.1672-9242.2026.08.017

PDF(6065 KB)

Equipment Environmental Engineering ›› 2026, Vol. 23 ›› Issue (8) : 144-155. DOI: 10.7643/issn.1672-9242.2026.08.017

Ships and Marine Engineering Equipment

Dynamics and Worthiness Analysis of Offshore Oil Transport Hose under Complex Sea Conditions

ZHANG Yang¹, WU Jie^1*, YANG Qi¹, HU Beiping², DENG Anli²

Author information +

History +

Abstract

The work aims to address the challenges of unclear dynamic response characteristics and inadequate environmental worthiness in aramid fiber-reinforced flexible composite hose (RTP) systems during offshore dockless bulk continuous sea-to-shore oil unloading operations under complex sea conditions, providing technical support for engineering design and safety management of such hose systems. A comprehensive research approach combining theoretical modeling, numerical simulation, and experimental validation was employed. A three-dimensional beam element model with multi-field coupling and Rayleigh damping was developed with the absolute nodal coordinate method. The coupled time-domain models for tanker-hose-shore structure interactions and refined finite element models were constructed in ABAQUS and calibrated through three parallel experiments and standard product tests. Boundary conditions for once-in-50-years extreme sea events were incorporated, five typical operating scenarios were designed for parameter analysis, an emergency-response-oriented leakage risk assessment model was established, and parametric optimization was performed with the NSGA-II algorithm. Under standard laboratory conditions, the maximum deviation between model simulations and experimental data was 10.67%, while the engineering envelope error considering material variability and operational fluctuations remained below 12%. Sea current velocity and effective wave height were the primary determinants of dynamic response, with sensitivity coefficients of 0.89 and 0.76, respectively and their interaction contributed 18.7% to overall performance. Under winter monsoon conditions, joint fatigue life decreased by 62.4% compared to conventional operating conditions. After a 15-second emergency shut-off valve correction was incorporated, the average leakage risk value dropped by 61%. The optimized winter configuration reduced maximum tension by 31.2%, curvature by 27.6%, annual leakage risk by 42.8%, and joint fatigue life by 74.7%. The developed model accurately captures the non-steady-state large-deformation dynamics of offshore oil transport hoses. The improved RTP hose system significantly enhances operational safety and environmental worthiness under complex sea conditions, providing robust theoretical and engineering foundations for designing and managing offshore dockless fuel unloading hose systems.

Key words

flexible oil transport hoses / offshore fuel unloading / complex sea conditions / dynamic response / environmental worthiness / multi-field coupling / multi-objective optimization

Cite this article

EndNote

Ris (Procite)

Bibtex

Download Citations

ZHANG Yang, WU Jie, YANG Qi, HU Beiping, DENG Anli. Dynamics and Worthiness Analysis of Offshore Oil Transport Hose under Complex Sea Conditions[J]. Equipment Environmental Engineering. 2026, 23(8): 144-155 https://doi.org/10.7643/issn.1672-9242.2026.08.017

References

[1] 张春桂, 吴作航, 王婧, 等. 基于Himawari-8海峡海温时空变化分析及应用[J]. 自然资源遥感, 2024, 36(4): 175-184.
ZHANG C G, WU Z H, WANG J, et al.Analysis and Application of Spatiotemporal Variation in Sea Surface Temperature in the Strait Based on Himawari-8 Data[J]. Remote Sensing for Natural Resources, 2024, 36(4): 175-184.
[2] 裘继承, 方箭. 大尺寸旋转密封技术在海上单点系泊输油领域的应用[J]. 广东造船, 2024, 43(5): 82-85.
QIU J C, FANG J.Application of Large-Sized Rotary Seal Technology in the Field of Offshore Single Point Mooring Oil Transport[J]. Guangdong Shipbuilding, 2024, 43(5): 82-85.
[3] 曹丙林. 浮式输油软管拖航作业浅析[J]. 珠江水运, 2024(9): 13-16.
CAO B L.Analysis on Towing Operation of Floating Oil Hose[J]. Pearl River Water Transport, 2024(9): 13-16.
[4] BAI Y, BAI Q.Dynamic Analysis of Deepwater Flexible Risers Based on Slender Rod Theory[J]. Ocean Engineering, 2017, 32(11/12): 1355-1372.
[5] LEE J H, PARK K S, KIM J R.Full-Scale Experimental and Numerical Study on Oil Leakage Diffusion of Offshore Flexible Hoses under Various Sea Conditions[J]. Journal of Loss Prevention in the Process Industries, 2026, 55: 245-256.
[6] GERSTLE W G, SHABANA A A.Application of the Absolute Nodal Coordinate Formulation to Dynamic Analysis of Marine Flexible Structures[J]. Journal of Fluids and Structures, 2000, 14(7): 935-952.
[7] 魏昶斐, 张春昌, 李根, 等. 氨燃料动力船码头加注安全风险的定量分析[J]. 上海海事大学学报, 2026, 47(1): 131-138.
WEI C F, ZHANG C C, LI G, et al.Quantitative Analysis of Safety Risk in Dockside Bunkering of Ammonia-Fueled Ships[J]. Journal of Shanghai Maritime University, 2026, 47(1): 131-138.
[8] 郑健生, 詹长庚, 张伟, 等. 基于单层间隙校准的组合缠绕式挠性管泄漏特性分析[J]. 热能动力工程, 2026, 41(3): 25-33.
ZHENG J S, ZHAN C G, ZHANG W, et al.Analysis of Leakage Characteristics of Composite Winding Flexible Pipe Based on Single-Layer Gap Calibration[J]. Journal of Engineering for Thermal Energy and Power, 2026, 41(3): 25-33.
[9] 杜刚, 邵海龙, 王志祥, 等. 海上油田输油海底管线泄漏检测系统研究[J]. 仪器仪表用户, 2022, 29(9): 5-8.
DU G, SHAO H L, WANG Z X, et al.Leak Detection Research for Oil Transportation Subsea Pipeline[J]. Instrumentation, 2022, 29(9): 5-8.
[10] 李焱, 郑利军, 张恩勇, 等. 深水海底管道软管内部流体渗透特性模型与试验研究[J]. 化工学报, 2024, 75(S1): 118-125.
LI Y, ZHENG L J, ZHANG E Y, et al.Model and Experimental Study of Fluid Permeation Characteristics in a Deep-Water Oil and Gas Tube[J]. CIESC Journal, 2024, 75(S1): 118-125.
[11] 安阳, 武虎子, 穆湛, 等. 基于变长度绝对节点坐标单元的软式空中加油系统动力学建模[J]. 清华大学学报(自然科学版), 2026, 66(5): 1055-1060.
AN Y, WU H Z, MU Z, et al.Dynamic Modeling of a Hose-Drogue Aerial Refueling System Using Variable-Length Absolute Nodal Coordinate Formulation[J]. Journal of Tsinghua University (Science and Technology), 2026, 66(5): 1055-1060.
[12] 赵文碧, 张泽华, 赵瑛, 等. 变长度加油软管系统动力学建模及运动特性分析[J]. 西北工业大学学报, 2024, 42(5): 920-928.
ZHAO W B, ZHANG Z H, ZHAO Y, et al.Dynamic Modeling and Motion Characteristics Analysis of Variable-Length Aerial Refueling Hose-Drogue System[J]. Journal of Northwestern Polytechnical University, 2024, 42(5): 920-928.
[13] 刘富文, 李清野, 宗超勇, 等. 基于流-固耦合的蠕动泵流量特性研究[J]. 机械工程学报, 2025, 61(8): 331-343.
LIU F W, LI Q Y, ZONG C Y, et al.Flow Characteristics of Peristaltic Pump Based on FSI Analysis[J]. Journal of Mechanical Engineering, 2025, 61(8): 331-343.
[14] 何毅翔, 杨正铖, 邢浩然, 等. 基于输流软管驱动的仿水母动力学设计、仿真与实验[J]. 中国科学: 物理学力学天文学, 2024, 54(6): 116-128.
HE Y X, YANG Z C, XING H R, et al.Dynamic Design, Simulation, and Experiment on a Bioinspired Jellyfish Driven by Soft Pipes Conveying Fluid[J]. Scientia Sinica (Physica, Mechanica & Astronomica), 2024, 54(6): 116-128.
[15] 胡轲, 安晨, 张爱霞, 等. CALM系统漂浮软管动力响应数值模拟及优化[J]. 油气储运, 2024, 43(6): 683-691.
HU K, AN C, ZHANG A X, et al.Numerical Simulation and Optimization for Dynamic Responses of Floating Hoses in CALM System[J]. Oil & Gas Storage and Transportation, 2024, 43(6): 683-691.
[16] 高松林, 安晨, 魏代锋, 等. 海洋双胎体软管在扭转载荷下力学行为研究[J]. 石油机械, 2025, 53(6): 91-98.
GAO S L, AN C, WEI D F, et al.Mechanical Behavior of Marine Dual-Carcass Floating Hose under Torsional Load[J]. China Petroleum Machinery, 2025, 53(6): 91-98.
[17] 徐勤亮, 陈景皓, 高强, 等. 低温环境下海洋输油橡胶软管的扭转性能[J]. 科学技术与工程, 2024, 24(25): 10755-10761.
XU Q L, CHEN J H, GAO Q, et al.Torsional Performance of Marine Oil Rubber Hose under a Low-Temperature Environment[J]. Science Technology and Engineering, 2024, 24(25): 10755-10761.
[18] 刘宇, 陈严飞, 钟榕锋, 等. 深海柔性软管接头处抗压铠装层滑移特性分析[J]. 华中科技大学学报(自然科学版), 2026, 54(1): 142-147.
LIU Y, CHEN Y F, ZHONG R F, et al.Analysis of Slip Characteristics of Pressure Armor Layer at Deep-Sea Flexible Pipe Joints[J]. Journal of Huazhong University of Science and Technology (Natural Science Edition), 2026, 54(1): 142-147.
[19] 张欣宇, 曹华德, 夏建新. 深海采矿输送软管空间构型及力学性能分析[J]. 矿冶工程, 2024, 44(5): 22-27.
ZHANG X Y, CAO H D, XIA J X.Analysis of Spatial Configuration and Mechanical Properties for Flexible Hose of Deep-Sea Mining System[J]. Mining and Metallurgical Engineering, 2024, 44(5): 22-27.
[20] 陈鼎铭, 方红荣, 王亚军, 等. 基于螺旋梁-波纹管接触模型的金属软管轴向刚度计算方法研究[J/OL]. 工程力学, 2026, 43: 1-14[2026-06-21]. https://link.cnki.net/urlid/11.2595.o3.20240722.1147.006.
CHEN D M, FANG H R, WANG Y J, et al. Study on Computation Method of Metal Hose Axial Stiffness Based on Helical Beam-Bellows Contact Model[J]. Engineering Mechanics, 2026, 43: 1-14[2026-06-21]. https://link.cnki.net/urlid/11.2595.o3.20240722.1147.006.
[21] 王学灏, 刘书明, 邱宇, 等. 纤维增强复合软管折叠法修复既有管道全过程力学响应数值模拟[J]. 给水排水, 2025, 51(11): 129-136.
WANG X H, LIU S M, QIU Y, et al.Research on the Mechanical Response of the Entire Process of Repairing Water Supply Pipelines with Fiber-Reinforced Lining Hoses[J]. Water & Wastewater Engineering, 2025, 51(11): 129-136.
[22] 潘超, 叶亚龙. 输油终端单点系泊系统动力响应分析[J]. 舰船科学技术, 2025, 47(21): 151-157.
PAN C, YE Y L.Dynamic Response Analysis of Oil Terminal Single Point Mooring System[J]. Ship Science and Technology, 2025, 47(21): 151-157.
[23] 翟学微. 油轮靠泊海上平台输油作业安全管理实践[J]. 化工管理, 2024(20): 162-164.
ZHAI X W.Safety Management Practice of Oil Transfer Operation of Oil Tanker Berthing Offshore Platform[J]. Chemical Enterprise Management, 2024(20): 162-164.