Firstly, the product model is expanded, which makes representation of interaction information among applications flexible and extensible and can meet changeable requirements from different domains including simulation besides design and analysis.

• 其次，以产品国 防科学技术大学研究生院学位论文模型技术作为应用间数据交换的基础，使得总体概念设计中的信息交互具有较好的灵活性和可扩充性，所给出的产品模型定义不但能支持设计领域，还能支持仿真分析领域的模型表示；