A Rocket Weapon Special Containerized Launch System Structural Analysis And Dynamics Simulation

With the advancement of high-tech and its application in modern war, higher requirements of the mobility and concealment performance for rocket weapon are put forward. Actualizing the standardization, modularization and generalization of the rocket weapon launching system and weakening the requirement for means of delivery are considered one of the important ways to enhance the existence capability of rocket weapon and to develop campaign mode. Based on the analysis of special type container pattern for a certain rocket weapon launching system, in-depth nonlinear finite element analysis of this system's structure part is carried out with structural dynamics method and nonlinear finite element theory in this thesis.After consulting the structure and function of a certain rocket weapon launching vehicle which is in existence, the structure design of special type container pattern for a certain rocket weapon launching system is put forward, and the solid model for main body of the whole launching system is set up by use of three-dimensional solid model software. Especially, the bodies of special type container, erecting system and leveling system are studied, and then three support ways by jack are put forward, such as rigid support, semi-rigid support and elastic support. By use of ABAQUS software, the structural dynamic finite element model is set up and the simulation based on explicit dynamics method is carried out. Simultaneously, structural characteristics and dynamics response of container pattern launching system by different support ways during launching are obtained, and the damage level of roadbed is also gained. These results will provide structural design references of engineering application for the future. The innovations of this thesis are as follows: Firstly, when setting up the structural dynamic finite element model, the major container pattern for a certain rocket weapon launching system are taken to be flexible, and the effect of the launching system by deformation of structure is considered; Secondly, in order to enhance the authenticity of simulation result, the jacks and wheels of launching vehicle, and the model of roadbed during the rocket weapon launching are lucubrated.