东南大学学报（自然科学版）2025，Vol.55Issue(3)：640-649,10.DOI:10.3969/j.issn.1001-0505.2025.03.003
基于ANCF的复杂地形下深海采矿柔性软管力学特性分析
Mechanical characteristic analysis of flexible hoses for deep-sea mining in complex terrain based on ANCF
摘要
Abstract
The spatial configuration and dynamic response of flexible hoses in deep-sea mining systems di-rectly affect mineral transport efficiency and hose lifespan.This paper establishes a static and dynamic model of geometrically nonlinear flexible hoses using the absolute nodal coordinate formulation(ANCF)to systemati-cally study the variations in geometric parameters and mechanical properties of hoses under complex seabed to-pography.The results indicate that the spatial configuration of the hose near the mining vehicle undergoes sig-nificant changes under different terrain conditions.The hose's geometric parameters(the α and β angles be-tween the hose's two ends and the y-axis,as well as the bending angle θ)are insensitive to terrain changes,while its mechanical properties(tensile forces on the intermediate storage and mining vehicle)are sensitive to such changes.Geometrically,as the mining vehicle moves,the angles α and β decrease linearly,while the bending angle θ increases linearly.The slopes of the linear changes in α and β are consistent.Mechanically,under the same terrain conditions,increasing the mining vehicle's speed reduces the vibration frequency of the hose's tensile force but increases its amplitude.For the same speed,the amplitude is the smallest on concave terrain and the largest on convex terrain.关键词
深海采矿/柔性软管/绝对节点坐标法/复杂地形Key words
deep-sea mining/flexible hoses/absolute nodal coordinate formulation/complex terrain分类
海洋学引用本文复制引用
邹丽,国奇,金国庆,于宗冰,胡健,钱浩宇..基于ANCF的复杂地形下深海采矿柔性软管力学特性分析[J].东南大学学报（自然科学版）,2025,55(3):640-649,10.基金项目
国家重点研发计划资助项目(2022YFC2806700,2023YFC2811300) （2022YFC2806700,2023YFC2811300）
国家自然科学基金资助项目(52301362) （52301362）
国家资助博士后研究人员计划资助项目(GZC20230346) （GZC20230346）
中国博士后科学基金资助项目(2024M750325) （2024M750325）
大连市科技人才创新创业资助项目(2024RQ060). （2024RQ060）
