The optimization design of DFC is expounded and the concept and method of multiobjective optimization are used to the upper stage solid rocket motor (CPKM) of a kind of launching vehicle.

• 阐述了面向成本的优化设计问题，并将多目标优化概念和方法应用于某运载火箭上面级固体发动机(CPKM)方案设计。