Abstract
<p>The structure-behavior-function model is a kind of concept design model and we apply it to the deformation design mainly to express the design concept and design process.In this paper,the SBF model is used to express a complete design experience knowledge and is used as a node for design reasoning.We also add the non-axiomatic logic and a calculation algorithm of semantic similarity to the SBF model to accomplish the process of deformation design.Finally, turbine blade is taken as an example to prove that the method can realize the deformation designing of parts. Meanwhile,non-axiomatic logic which is able to reduce the repetitive work of the designers is an effective way to simplify the designing.</p>
Highlights
The deformation design is a comprehensive practical design method which extracts the main variable parameters from the local feature structure, as well as modifies its values of dimension, with the preservation of the basic functions of the product and a small change of the working principle, in order to meet the different needs of the users, and improve the response speed for the market
Deformation design is divided into two types i.e. the deformed of the geometric dimensions and the restructuring deformed of the overall structure
We extend the SBF model to represent the information of structure, behavior, and function in the designing
Summary
The deformation design is a comprehensive practical design method which extracts the main variable parameters from the local feature structure, as well as modifies its values of dimension, with the preservation of the basic functions of the product and a small change of the working principle, in order to meet the different needs of the users, and improve the response speed for the market. Deformation design is divided into two types i.e. the deformed of the geometric dimensions and the restructuring deformed of the overall structure. The deformation of the geometric dimensions is the change of the parameters of individual parts , but the structural characteristics of the product is not affected. Based on the individual needs of customers, the restructuring deformed of the overall structure changes the type of parts or the number of components. We extend the SBF model to represent the information of structure, behavior, and function in the designing. The non-axiomatic logic(NAL)[3,4]which is an intelligent reasoning method can be applied to conceptual design and innovative design. We introduce the SBF ontology model which is used to indicate design knowledge. Section three introduces non-axiomatic logic model of the deformation designing.
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