The performance of a part can be evaluated in different ways depending on the application, for instance it can be increasing stiffness and strength while reducing the weight, or a specified lifetime under repeated cyclic loads or under creep, or an imposed resistance to certain impacts, or combined mechanical, thermal and electrical properties, etc. The performance depends on the part’s geometry, material and manufacturing process. The “holy grail” in manufacturing is to find the right technological solution for an optimal part, i.e. one with a desired set of performance targets, while reducing the design cycle, limiting the cost and increasing the output. This in an extremely challenging problem which is subjected to several severe constraints.


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