航海模拟器中登陆艇抢滩退滩运动建模与仿真  

Modeling and simulation of landing craft beaching and retreating motion by marine simulator

作　　者：张春雨 孙洪波[1] 蒋柳杨 沈莉婷 ZHANG Chunyu;SUN Hongbo;JIANG Liuyang;SHEN Liting(Navigation College,JiMei University,Xiamen 361021,China)

机构地区：[1]集美大学航海学院,福建厦门361021

出　　处：《舰船科学技术》2024年第20期73-79,共7页Ship Science and Technology

基　　金：福建省自然科学基金资助项目(2023J01325)。

摘　　要：本文提出一种应用于模拟器的登陆艇抢滩退滩运动数学模型。该模型基于动量及动量矩定理建立海床作用力模型,基于悬链线理论建立锚链力模型,并结合分离型建模理论,建立了登陆艇抢滩退滩的六自由度运动数学模型。该模型考虑了海床底质、初始速度和海床坡面角的影响,能够更准确地模拟登陆艇在抢滩和退滩过程中的运动轨迹。此外,该模型还扩展了航海模拟器在登陆艇操纵以及船舶搁浅脱浅应急操纵方面的功能,为相关领域的研究和应用提供了有力支持。This paper proposes a mathematical model for the landing craft beaching and retrating motion applied to sim-ulators.The model establishes a seabed force model based on the theorem of momentum and moment of momentum,and an anchor chain force model based on the catenary theory.Combined with the theory of separate modeling,a six-degree-of-free-dom mathematical model for the landing craft beaching and retrating motion is established.This model takes into account the influence of seabed substrate,initial velocity,and seabed slope angle,enabling more accurate simulation of the landing craft's movement trajectory during beaching and retrating.In addition,the model extends the functionality of nautical simulators in terms of landing craft maneuvering and emergency operations for ships running aground or stranded,providing strong sup-port for research and applications in related fields.

关 键 词：登陆艇 悬链线 抢滩退滩 数值仿真 

分 类 号：U661[交通运输工程—船舶及航道工程]