Abstract This paper presents results of a continuing research project, which aims at the development of supporting tools for designers in the structuring of products, taking into account a number of life-cycle considerations. The structure of a product is a context-dependent description of the composition of the product out of elements and relations between the elements. The main issue of the paper is a model of the design process which serves as a basis for developing supporting tools. The model of the design process presented here is based on the desire to give design-problem specific support to the designer through the entire design process. The model consists of three main elements: execution of design activities, results of design activities, and coordination of design activities. Based on the model of the design process, the functionality of a computer-based supporting tool is discussed.
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