仿真分析技术在重型运载火箭舱段铆接装配中的应用
The Application of Simulation Technology on the Assembly of Heavy Launch Vehicle Riveting Cabin

针对重型运载火箭超大尺寸舱段铆接装配过程中潜在的装配流程不合理、装配偏差、装配变形等问题，开展仿真分析技术在舱段装配过程中应用方法的研究。运用DELMIA软件进行装配过程仿真，优化装配流程，检验产品及工装设计的合理性；运用CATIA 3DCS软件进行装配偏差仿真，预测关键测点装配偏差，优化装配流程及零部件容差分配；运用Ls-DYNA软件进行装配变形仿真，优化装配夹具设计、铆接及装配路径，排除协调及对接风险。
Aiming at the problem of heavy launch vehicle riveting cabins assembly, such as unreasonable as-sembly process, assembly deviation and assembly deformation, the paper focuses on the research of the application of simulation technology. The method of assembly simulation to optimized assembly process by the software of DELMIA is put forward. The method of deviation simulation to optimized assembly tolerance by the software of CATIA 3DCS is put forward. The method of deformation simulation by the software of Ls-DYNA is put forward to optimized assembly deformation and assembly path. At last, the method is validated through an application case.