The researches of the thesis have done efficient work in distributed multibody systems dynamic analysis and design optimization and provides great theoretical value and practical meaning to caa and mechanical design automatization 本文的研究工作在分布式计算机辅助分析与多体系统最优化设计方法方面做出了积极而有效的探索,在多体系统计算机辅工程技术的研究与应用方面具有重要意义。