This paper introduces the concept and meaning of DMU for complex product and addresses the theory and methods of assembly modeling of a DMU for complex product according to its characteristics.

• 本文介绍了复杂产品数字样机的概念和意义,并针对复杂产品数字样机的开发特点,对其数字样机建模理论、方法和分析评价技术进行了深入研究。