Multi-granularity Design Rationale Knowledge Modeling Method

Design rationale knowledge is an important knowledge of design process, the effective use of it can give designers an important role in promoting innovative design. In order to solve the problem that a large amount of design rationale knowledge exists in the design document and cannot be acquired effectively, this paper presents multi-granularity design rationale knowledge modeling method. Innovative design requires designers to think in all aspects. Therefore, according to the designer's demand for different granularity knowledge, his paper proposes four granular design rationale knowledge models and model construction method. Finally, through the secondary development of the system, the stamping die is taken as an example to verify the effectiveness of the method.