Dynamic Simulation Analysis Of The Battery Compartment Of A Certain Underwater Vehicle

With the development and utilization of marine resources and the increase in demand for national defense and military affairs,underwater vehicles play a more and more important role in marine research.Underwater vehicles have greatly enhanced the military operational capability of our navy,and its potential military applications are huge.The subject of this article comes to a certain actual project.Using CATIA and ANSYS Workbench software,the physical model and finite element model of the battery compartment of a certain underwater vehicle are established.According to the environmental conditions and test methods of CB 1235-1993,the dynamic analysis of the battery compartment was carried out.Firstly,this paper carried out the modal analysis of the power battery cabin of underwater vehicle.Secondly,the influence of temperature field caused by internal Li/SOCL2 battery heating and external seawater temperature on structural strength was studied under normal working conditions of the battery compartment.Finally,the ability of the battery compartment to withstand non-repeated shocks is analyzed in different storage and transportation temperature environments,and the analysis results can provide advice and basis for the design of the dynamic battery compartment of the underwater vehicle.The results show that the equivalent stress and deformation of the battery compartment are reduced with the increase of seawater temperature and the decrease of temperature difference between the inside and outside of the battery compartment.The influence of temperature on the strength and stiffness of the battery compartment is nonlinearity under impulsive impact load.At 20?,the equivalent stress and deformation of the structure is minimal.With the positive and negative change of temperature,the equivalent stress and deformation will increase.