水陆两栖车辆水上运动特性实时仿真系统研究  

Research on the Real-time Simulation System for Hydrodynamic Characteristics of Amphibious Vehicle

作　　者：陈泰然[1,2] 耿昊 王典 邱思聪 孙旭光 CHEN Tairan;GENG Hao;WANG Dian;QIU Sicong;SUN Xuguang(School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081,China;Chongqing Innovation Center of Beijing Institute of Technology,Chongqing 401120,China;China North Vehicle Research Institute,Beijing 100072,China)

机构地区：[1]北京理工大学机械与车辆学院,北京100081 [2]北京理工大学重庆创新中心,重庆401120 [3]中国北方车辆研究所,北京100072

出　　处：《兵工学报》2024年第5期1402-1415,共14页Acta Armamentarii

基　　金：国家重点研发计划项目(2021YFB1714500);北京理工大学青年教师学术启动计划项目(XSQD-202003008)。

摘　　要：为解决水陆两栖车辆水动力性能参数获取难度大、运动姿态预测慢等问题,设计一种两栖车辆水上运动特性实时仿真系统,实现仿真模型的驱动、运动姿态预测以及数据的监测和输出,通过动态流体-物体相互作用数值计算方法对车体动力学系数进行修正,提升了实时仿真系统的精度。在此基础上研制试验样车,对不同工况下实时仿真系统的准确性进行验证。试验结果表明:所构建的两栖车辆水上运动特性实时仿真系统兼具计算精度和计算效率,可以快速准确地预测车辆的运动姿态,适用于多种复杂工况,具有姿态预测的泛用性。新系统在两栖车辆研制阶段、驾驶员培训、半实物仿真演练、复杂环境模拟等方面具有较强的应用价值和应用前景。A real-time simulation system for the hydrodynamic characteristics of amphibious vehicles is designed to solve the problems of dificultly acquiring the hydrodynamic parameters and slowly predicting the motion attitude of amphibious vehicles.It can realize the driving of simulation models,motion attitude prediction,data monitoring and output.The numerical calculation method(CFD)is used to correct the vehicle dynamics coefficients,which significantly improves the accuracy of real-time simulation system.In addition,a test amphibious vehicle is developed to verify the accuracy of real-time simulation system under different working conditions.The results show that the real-time simulation system can be used to accurately and efficiently simulate the hydrodynamic characteristics of amphibious vehicles,and predict the motion attitude of the vehicle quickly and accurately.It is also applicable to various complex working conditions and has universal applicability for attitude prediction.The system has strong application value and application prospect in the development stage of amphibious vehicles,driver training,semi-physical simulation exercises and complex environment simulation.

关 键 词：水陆两栖车辆 水上运动特性 实时仿真 水动力系数 

分 类 号：U469.693[机械工程—车辆工程]