水下垂直发射多约束弹性体运动仿真方法  

Dynamic Simulation Method for Multiple Constraints Elastic Body during Vertical Sub-launching Process

作　　者：魏洪亮[1] 陆宏志[1] 赵静[1] 徐志程 裴胤[1] 

机构地区：[1]中国运载火箭技术研究院研究发展中心,北京100076

出　　处：《导弹与航天运载技术》2015年第1期38-41,共4页Missiles and Space Vehicles

摘　　要：考虑水下航行体的弹性特性,建立航行体与发射筒之间接触、摩擦作用的刚柔耦合模型,发展了多约束航行体水下垂直发射动力学仿真分析方法。给出算例,获得了筒内弹道、水中弹道、航行体姿态和内部载荷等参数的变化规律。分析表明,计算结果能够反映航行体水下垂直发射过程的特点,计算方法合理可行。A rigid-flexible coupled model considering contact and friction between underwater vehicle and launching tube was proposed, and dynamic simulation method for vertical sub-launching process of multiple constraints elastic body was established. The results of calculation example are introduced, which contain the varying rules of parameters such as trajectory in the tube, trajectory in water, vehicle attitude and inner load. The analysis indicates that the calculation results can catch the characteristic of underwater vehicle＇s vertical sub-launching process, and the method is reasonable and feasible.

关 键 词：水下垂直发射 弹性体 环境载荷 水弹道 

分 类 号：V412[航空宇航科学与技术—航空宇航推进理论与工程]