The generated design solutions are optimised against a composite set of multi-criteria (attributes) in a concurrent manner for key factors such as performance, robustness and cost as well as other life cycle issues (manufacture, assembly, serviceability, reliability, environment, etc) in order to choose the most satisfying design. DFD enables the capture of customers' requirements, the establishment of design specifications and constraints in a solution neutral form, the generation of conceptual designs (architectures), the development of detailed designs layouts), the selection of materials and associated manufacturing processes and the development of suitable production plans. To this end, Design Function Deployment (DFD) has been developed. The goal of this research, is to develop a comprehensive, integrated and generic design system, that will ensure the realisation of concurrent engineering in practice. Thus the design problem is examined from separate and different perspectives, rather than as a whole. The current state of activities in the design and manufacturing industry is marked by the various CAD/CAM/CAE systems which exist as islands of automation, and are used by engineers and designers in a non-integrated and ill-structured way.
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