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基于系统耦合的水下DOCK综合特性分析

Comprehensive characteristics analysis of underwater DOCK based on system coupling
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摘要 水下对接分析是一个非常复杂的过程,除了需要考虑受到的碰撞力大小以外,还需要考虑碰撞形变和水流扰动的相互影响。基于此,本文通过虚拟样机软件模拟AUV的对接过程,验证对接时的碰撞力,确定瞬态结构场,并将其加载到有限元分析软件的流体场中进行基于系统动网格的双向流固耦合仿真,分析得到了较为准确的DOCK变形云图、应力云图、应变云图和系统流体压力云图。本文研究可为AUV水下对接操作提供技术支持,对水下对接的相关研究具有一定的参考价值。 The analysis of underwater docking is a very complicated process.In addition to the impact force,the interaction between the impact deformation and the flow disturbance should be considered.Based on this,this paper attempts to simulate the docking process of AUV by virtual prototype software,verify the collision force during docking,determine the transient structure field,and load it into the fluid field for two-way fluid-structure coupling simulation based on the system dynamic grid.Through the analysis of this paper,more accurate DOCK deformation cloud,stress cloud,strain cloud and system fluid pressure cloud are obtained.This study can provide technical support for AUV underwater docking operation,and has certain reference value for related research on underwater docking.
作者 刁家宇 李卫民 袁学庆 付松松 张凯璇 DIAO Jia-yu;LI Wei-min;YUAN Xue-qing;FU Song-song;ZHANG Kai-xuan(School of Mechanical Engineering and Automation,Liaoning University of Technology,Jinzhou 121000,China;State Key Laboratory of Robotics,Shenyang Institute of Automation,Chinese Academy of Sciences,Shenyang 110016,China;Institutes for Robotics and Intelligent Manufacturing Innovation,Chinese Academy of Sciences,Shenyang 110169,China)
出处 《舰船科学技术》 北大核心 2023年第16期69-74,共6页 Ship Science and Technology
基金 辽宁省教育厅科学研究经费项目(202015401)。
关键词 流固耦合 双向耦合 多体动力学仿真 虚拟样机 水下对接 fluid-structure interaction bidirectional coupling multi-body dynamics simulation virtual prototype underwater docking
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