摘要
调平油缸是某型发射车的主要承力部件,利用弱磁探测技术对其应力集中区和结构损伤点的原位识别具有十分重要的意义。本研究首先构建了调平油缸的三维结构模型和磁场环境模型,进行静态受力分析,然后分别开展调平油缸应力集中、应力释放、损伤裂纹深度、腐蚀损伤程度以及损伤类型与弱磁检测信号的ANSYS有限元仿真实验。结果表明,利用弱磁无损探测技术能够有效检测出调平油缸结构中出现的应力集中和结构损伤情况,并可确定缺陷的类型与大小。
The leveling cylinder is the main load-bearing component of a certain type of launch vehicle.It is of great significance to use weak magnetic detection technology to identify the stress concentration area and structural damage points.Firstly,a three-dimensional structural model and a magnetic field environment model of the leveling cylinder were constructed,and static stress analysis was conducted.Then,ANSYS finite element simulation experiments were conducted on the stress concentration,stress release,depth of damage cracks,degree of corrosion damage,damage type,and weak magnetic detection signal of the leveling oil cylinder.The results show that the use of weak magnetic non-destructive detection technology can effectively detect stress concentration and structural damage in the leveling cylinder structure,and determine the type and size of defects.
作者
张雨辰
刘涛
李志成
ZHANG Yuchen;LIU Tao;LI Zhicheng(Naval Aeronautical University,Yantai 264001,China)
出处
《系统仿真技术》
2023年第3期266-272,共7页
System Simulation Technology
关键词
调平油缸
结构损伤
弱磁探测
有限元仿真
leveling vehicle
mechanical damage
weak magnetic detection
finite element simulation
