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This paper proposes a design approach to support the designer during the environmentally sustainable redesign of any product that can be modeled in CAD environment. It is a systematic computer-aided design procedure based on the integration of (1) virtual prototyping tools (e.g., 3D CAD, FEA, structural optimization), (2) function modeling techniques, and (3) Life Cycle Assessment-LCA tools. The core of the approach is the configuration of structural optimization strategies specifically conceived to obtain lighter and more compact products, and therefore, more eco-sustainable. The objective of the proposed methodology is to support the designer in choosing the best triad shape-material-production in order to determine the minimum environmental impact and ensure the structural and functional requirements of the product. A case study is described to show the potential of the proposed methodology as well as a discussion of the results.

An ECO-DESIGN Approach Based on Structural Optimization in a CAD Framework